The articles are protected by the publisher’s copyright. To obtain an electronic version of each article please contact with Professor Dr.  D. Nikolopoulos using the contact form of the website.

 NIKOLOPOULOS DIMITRIOS

RADIATION-HEALTH PHYSICIST

CURRICULUM VITAE 

Date: 12/12/2022

BRIEF CURRICULUM VITAE

NAME: NIKOLOPOULOS DIMITRIOS

DATE OF BIRTH:  25 AUGUST 1971

PLACE OF BIRTH:  ΑΤΤΙΚΗ, GREECE

HOME ADDRESS: KORYTSAS 36-40, VIRONAS, ATTICA-GREECE

POSITION: PROFESSOR

INSTITUTE: UNIVERSITY OF WEST ATTICA

DEPARTMENT: INDUSTRIAL DESIGN AND PRODUCTION ENGINEERING

POSITION'S DESCRIPTION: APPLIED ENVIRONMENTAL & HEALTH PHYSICS 

Research Activities-PACS

02.30.Nw--02.50.Ey--02.50.Fz--02.50.Sk--02.60.Cb--02.60.Ed--02.70.Hm--02.70.Uu

05.40.-a--05.45.Df--05.45.Pq--05.45.Tp--05.65.+b

06.20.Dk--06.60.Ei--06.60.Mr--06.60.Sx--06.90.+v--

07.05.Bx--07.05.Fb--07.05.Hd--07.05.Kf--07.05.Rm--07.05.Tp--07.07.Df--07.60.Dq--07.60.Pb--07.60.Rd--07.60.Vg--07.77.Ka--07.85.Fv--07.85.Nc--07.88.+y--07.89.+b--07.90.+c

9.85 -c 

29.27.Fh--29.30.Ep--29.30.Kv--29.40.Cs--29.40.Gx--29.40.Mc-- 29.40 Wk2--29.85.Fj

87.10.Mn--87.10.Rt--87.50.C- --87.50.cm--87.50.S- --87.50.sj--87.50.up –87.53.-j--87.55.K- -- 87.55.N- --87.57.-s--87.59.-e--87.85.Rs--88.10.fb--88.10.G- --88.10.gc --89.20.Bb--89.60.-k – 89.75.Da--89.75.Fb--

91.30.Dk--91.30.-f --91.45.Ga--91.45.Xz--91.55.Mb--92.60.Mt--92.60.Sz--92.60.Ta--93.30.Ge--93.85.Np--93.85.Pq--93.85.Rt--

PUBLICATIONS-OVERVIEW

PUBLICATIONS IN PEER-REVIEWED INDEXED INTERNATIONAL JOURNALS: 115

PUBLICATIONS IN PEER-REVIEWED INTERNATIONAL JOURNAL SUPPLEMENTS: 13

PUBLICATIONS IN PEER-REVIEWED INTERNATIONAL CONFERENCE PROCEEDINGS: 71

PUBLICATIONS IN ABSTRACTS OF INTERNATIONAL CONFERENCES: 61

PUBLICATIONS IN PEER-REVIEWED GREEK JOURNALS: 1

PUBLICATIONS IN GREEK BOOKS : 7

PUBLICATIONS IN PEER-REVIEWED GREEK JOURNAL SUPPLEMENTS: 1

PUBLICATIONS IN PEER-REVIEWED GREEK CONFERENCE PROCEEDINGS: 3

PUBLICATIONS IN ABSTRACTS OF GREEK CONFERENCES : 15

TOTAL:  287

________________________________________________________________________________________

TOTAL OF INTERNATIONAL PEER-REVIEWED INDEXED PUBLICATIONS (PAPERS& SUPPL.) 128

1^ST AUTHOR:  36

2^ND AUTHOR:  34

LAST AUTHOR:  13

OTHER: 45

________________________________________________________________________________________

ANALYTICAL CURRICULUM VITAE 

1. PERSONAL INFORMATION

Full name: Nikolopoulos Dimitrios 

Date of birth: 25/8/1971 

Place of birth: Athens, Attica, Greece

Nationality: Hellenic

Address of residence: Korytsas 36-40, Vironas, 16231, Athens, Greece

Telephones of residence: +3-6977208318

Current address of work: University of West Attica, 

Department of Industrial Design and Production Engineering,

Petrou Ralli & Thivon 250, GR122 44, Aigaleo, Greece

Telephones of work: +3210-5381338

Electronic post: This email address is being protected from spambots. You need JavaScript enabled to view it.

This email address is being protected from spambots. You need JavaScript enabled to view it.

Skype : dimitriosnikolopoulos

dr.dimitrios.nikolopoulos

Internet http://env-hum-comp-res.daidalos.teipir.gr/

url-1 http://scholar.google.gr/citations?user=BuZ2IJQAAAAJ&hl=el

url-2 https://orcid.org/0000-0002-8559-9440?lang=en

url-3 https://www.researchgate.net/profile/Dimitrios_Nikolopoulos6

2. PRESENT PLACE 

Professor, University of West Attica

3. MILITARY MILITARY SERVICE 

21 April 1999 - 23 February 2001 Service as an Officer of the Hellenic Army

4. EDUCATION - FURTHER TRAINING - DIPLOMAS

4.1.Basic levels

1977-1983, Municipal School of Kallithea 

(Grades: Excellent) 

1983-1986, High school of Kallithea 

(Grades: Excellent) 

1986-1989, Lyceum of Kallithea 

(Grades Excellent) 

4.2.University progress & degrees

Department of Physics, National Univeristy of Athens University (1990-1994) 

Collaborator (1990-1992) of the Medical Imaging team of the Nuclear Physics sector, Department of Physics, Athens University, Head: Prof. Dr.G.Tzanakos, former Professor of Nuclear Physics. 

-Collaborator (1992-1994) of the Medical Physics team of the Nuclear Physics sector, Department of Physics,Athens University, Head: Prof.Dr. A.Aggelopoulos, former Professor of Nuclear Physics . 

Degree (1994) in Physics: 7.76.

4.3. Post-Graduate training

Doctor Candidate (1994) in the Medical Physics Department, Medical Faculty of the University of Athens in the subject “Study of exposure of the Greek population to Radon-222”, Head: Prof.Dr.C.Proukakis.

Training-work (1994-1997) in the Laboratory of Radionuclides (Department of Whole-body Radiation) in the Ippokrateion of Hospital Athens under the supervision of Medical Physics Department, Medical Faculty of the University of Athens. 

- Training (1997-2000) in environmental and medical radiation focusing on dosimetry, human effects and risk estimation, Medical Physics Department, Medical Faculty of the University of Athens. 

- PhD degree (2000) in the subject “Study of exposure of the Greek Population to Radon-222”, Medical Physics Department, Medical Faculty of the University of Athens, Degree: Excellently. 

4.4.Post-Doctoral training

Collaborator (2000-2004), Laboratory of Medical Physics, Medical Faculty of Athens University. 

Teaching Assistant & Collaborator (2000-2007), Department of Medical Instrumentation and Technology, TEI of Athens. 

Teaching Assistant & Collaborator (2000-2013), Department of Physics, Chemistry and Material Technology, TEI of Piraeus.

4.5.Continuous training

Conferences (participation):

1. Pan-Hellenic Congress of Physics Pan-Hellenic Congress “10 years afterwards the accident in Chernobyl-the repercussions of accident in Greece”, Amphitheater EKEFE Dimokritos, Saint Friday Attica of 22-23 April 1996. 

2. Meeting “Radon and Cesium, Two radioactive elements in the city of Karditsa”, EBE (Commercial and Craft-based Chamber), Karditsa of 25 May 96. 

3. Scientific Meeting “Radon and Greek Residence”, Amfitheatro EKEFE Dimokritos, Saint Friday Attica, 6 June 1996. 

4. European Conference on Protection Against Radon at Home and at Work, Praha Chech Republic, June 2-6 1997. 

5. The Second Regional Mediterranean Congress on Radiation Protection, Tel-Aviv, Israel, November 16-20 1997. 

6. 1st Southeastern-European Regional Radon Workshop, Athens, Greece, 3-5 April 1997. 

7. 1st Meeting of Researchers that deals with Radon in Greece, Laboratory of Nuclear Technology E.M.P, Athens, 23 January 1998. 

8. Pan-Hellenic Congress of Radioactivity of Environment, Athens EKEFE “DIMOKRITOS”, 23-24 November 2001. 

9. 7th International Symposium Natural Radiation Environment, Rhodes, Greece, 20-24 May, 2002. 

10. MEDICON 2004, the 10th Mediterranean Conference of the International Federation for Medical and Biological Engineering, IFMBE. 

11. European Conference on Protection Against Radon at Home and at Work, June 29 July 6 2004, Praha 

12. 4th European Symposium on Biomedical Engineering, 25-26-27 June 2004, Patra Greece. 

13. 1st International Conference “From scientific computing to computational engineering”, IC-SCCE, 8-10 September, 2004, Athens, Greece. 

14. Nuclear Science Symposium (NSS) and Medical Imaging Conference (MIC) and Semiconductor X-ray and g-ray detectors Workshop, October 16-22, 2004, Rome. 

15. European Radiology Congress (ECR), February, Wien 2004 

16. Pan-Hellenic Radiological Congress of XIV 29 September-2 October 2004, Athens 18.

17. European Radiology Congress 2005, Wien 

18. Congress SPECIAL TRAINING PROGRAM Archimedes, POLYTECHNIC COLLEGES Athens 2005 

19. 1st IC-EpsMSO LFME Patra Greece. 

20. st European Conference on Molecular Imaging Technology 9-12 May 2006, Marseille, France 

21. 3rd International Conference on Imaging Technologies in Biomedical Sciences: ITBS2005 Milos Greece. European Nuclear Medicine Symposium 2006 

22. 10th International Symposium on Radiation Physics (ISRP-10), 17-22 September, 2006, Coimbra, Portugal 

23. IC-CCSE 2006, International Conference of Computational Methods in Sciences and Engineering

24. EUROPEAN SYMPOSIUM ON BIOMEDICAL ENGINEERING, 2006, Patra Greece 

25. European Geophysical Union, EGU 2009, Vienna, Austria

26. European Geophysical Union, EGU 2010, Vienna, Austria

27. European Geophysical Union, EGU 2011, Vienna, Austria

28. erA-7, 2012, The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education

29. erA-8, 2013, The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education

30. BIOMEP 2013, 2nd International Conference on Biomedical Instrumentation and Related Engineering and Physical Sciences

31. RPM 2014, Varna, Bulgaria - 2nd International conference on radiation protection in medicine

32. ICCE-2014, International Conference on Clean Energy-2014, June 8-12, 2014, Istanbul, Turkey

33. erA-9, 2014, The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education

34. erA-10, 2015, The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education.

35. European Conference on Protection Against Radon at Home and at Work, Praha, Workshop, June 2-6 1997.

36. 1^st Southeastern - European Regional Radon Workshop, Athens, Laboratory Intercomparison II, 3-5 April 1997. 

4.6.Technical-Technological skills

• Measurement of radon and progeny

• Measurement of environmental ionising and non-ionising radiation

• Monte Carlo simulation of medical imaging detectors

• EGSnrcMP -GATE/GEANT 4, MCNP expertise

• Experimental and theoretical techniques of scintillator physics

• Nanophosphors and Quantum Dots.

• Radiation-Health dosimetry and safety

• Health Effects of Electromagnetic Radiation

• Signal Analysis methods-Wavelets

• Chaos-Fractals

• Entropy and Block Entropy techniques-Symbolic Dynamics

• Environmental EM radiation-Soil radon- Earthquake precursors

• Data reduction and error analysis

• Statistics and non-linear methods

• Medical Imaging

• g++,gfortran (skilled), BASIC, Pascal

• Linux (experienced user), Octave, GNUplot (experienced user)

• Operating systems: LINUX, UNIX, Windows (experienced user)

• Applications PC: Open-Libre Office, Word, Excel, Access, PowerPoint, SPSS, Mathematica, Minitab, StatPlus, PC Origin, ROOT, Grace e.tc. (experienced user)

4.7.Foreign Languages

English (excellent) 

German (very well) 

5. UNIVERSITY TEACHING

5.1.Basic degree

LABORATORY OF MEDICAL PHYSICS OF UNIVERSITY ATHENS (1994-1996)

Laboratory exercises in Medical Physics, Medical School, University of Athens 

f.TEI of ATHENS (2001-2006)

Ionising Radiations, I, II, III 

Quality assurance in Nuclear Medicine 

Quality assurance in Radiotherapy 

Compartmental Analysis 

Dosimetry in Nuclear Medicine 

Linear Accelerator 

TOTAL OF HOURS OF TEACHING: 760 

f.TEI of PIRAEUS (2002-today)

Laboratory exercises in Physics

Physics, Digital Communications (lectures)

TOTAL OF HOURS OF TEACHING: >5,000 

Supervision of postgraduate thesis: >30

UNIVERSITY of WEST ATTICA

Physics (lectures), Signals and Systems (lab)

TOTAL OF HOURS OF TEACHING: 160

5.2.POSTGRADUATE DEGREE

LABORATORY OF MEDICAL PHYSICS UNIVERSITY OF PATRAS (2002-2005 & 2017-2020)

MSc course in Medical Physics: 

• Qualitative assurance in Nuclear Medicine 

• Radiopharmaceuticals

• Dosimetry in Nuclear Medicine 

• Interaction of Radiation with Matter

f.Piraeus University of Applied Sciences & Nottingham University,
"MSc in Education Sciences and Learning Technologies" (2015-2016)

University of West Attica,

“Erasmus+ LMPI Licence, MASTER Professionnels Pour Le Developpement, L' Administration, La Gestion, LaProtection Des Systemes Et Reseaux Informatiques Dans Les Entreprises En Moldavie, Au Kazakhstan, AuVietnam” (2017-2019)

6. ACADEMIC PLACES 

1.Laboratory of Radioisotopes (Department of Whole-body Radiation) Ippokation Hospital Athens, Laboratory of Medical Physics of Medical Faculty of Athens University (1994-1997) 

2.Laboratory of Medical Physics of Medical Faculty of Athens University (1994-2001)

3.Department of Medical Instrumentation and Technology, f.TEI of Athens (2001 - 2006) 

4.Department of Physics, Chemistry and Material Science, f.TEI of Piraeus (2001-2011) 

5.Department of Electronic Computer Systems Engineering, f,TEI of Piraeus (2014-2018)

6.Department of Informatics and Computer Engineering, University of West Attica (2018-2019)

7.Department of Industrial Design and Production Engineering, University of West Attica (2019-)

7. COLLABORATIONS

1. f.TEI of Piraeus, Greece

2. f.TEI of Athens, Greece, Department of Electronics 

3. Athens University, Medical School, Greece, Laboratory of Medical Physics. 

4. f.TEI of IONIAN ISLANDS, Greece, Department of Ecology and Environment. 

5. University of Aegean, Greece, Department of Environment. 

6.University of Cranfield, UK, School of Applied Sciences

7.Brunel University, UK, Department of Electronic Engineering

8.Georgian Technical University, Georgia

9. University of Patras, Medical School, Laboratory of Medical Physics.

10. National Technical University of Athens, Department of Mechanical engineers, Sector of Nuclear Technology.

8.EDITORIAL COMMITTEE

Reviewer in the following peer-reviewed scientific journals

1. Nature Scientific Reports, Nature Publishing Group, Impact Factor 5.525

2. Journal of Exposure Science and Environmental Epidemiology, Nature Publishing Group, Impact Factor 2.927

3. Journal of Environmental Radioactivity, Elsevier, Impact Factor 1.339

4. The Science of the Total Environment, Elsevier, Impact Factor 3.536

5. Radiation Measurements, Elsevier, Impact Factor 1.455

6.  Applied Radiation and Isotopes , Elsevier, Impact Factor 1.172

7. Journal of Atmospheric and Solar-Terrestrial Physics, Elsevier, Impact Factor 1.790 

8. Earthquacke Science, Elsevier.

9. Radiation and Environmental Biophysics, Springer, Impact Factor 1.696

10. Journal of Radioanalytical and Nuclear Chemistry, Springer, Impact Factor 1.520

11. Acta Geophysica, Springer, Impact Factor 1.704

12. Environmental Monitoring and Assessment, Springer, Impact Factor 1.663.

13. Analytical Methods, RCS, Impact Factor 1.547

14. Environmental Science: Processes and Impacts, RCS Publishing, Impact Factor 2.401

15. Geomatics, Natural Hazards and Risk, Taylor & Francis. Impact Factor 2.332

16.  Geosciences, MDPI Publishing (OA), Impact Factor 1.82

17. Atmosphere, MDPI Publishing (OA), Impact Factor 1.704

18. Remote Sensing, MDPI Publishing (OA), Impact Factor 4.118

19. Mathematical and Computational Applications, MDPI Publishing (OA),

20. Sensors, MDPI Publishing (OA), Impact Factor 3.72

21. IJERPH, MDPI Publishing (OA)

22. Scientific World Journal, Hindawi (OA).

23. Journal of Earth Science Research, Bowen Publishing (OA)

24. Journal of Earth Science and Climatic Changes, OMICS (OA)

25.  Environmental Engineering and Management Journal, Technical University of IASI.

9.SCIENTIFIC RESEARCH

INTERNATIONAL FULL PAPERS IN PEER-REVIEWED INDEXED JOURNALS AND BOOKS

The following journals and books are indexed by order in GoogleScholar, CrossRef, SCOPUS, SCI & SCI expanded, EntrezPubMed, Index Copernicus, EBSCO, OCLC, RefSeek, ProQuest, HINARI,Sherpa Romeo, Open J Gate, Geramics Journal Seek, Google

1. ANTONOPOULOS A, GEORGIOU E, KYRIAKIDIS M, NIKOLOPOULOS D, TOUTOUZAS P, PROUKAKIS C. Early post-exercise Thallium-201 Reinjection after sublingual Nitroglycerin Augmentation: Effects on Detection of Myocardial Ischemia and/or Viability. Clin Cardiol 1998; 21(6):419-426.

2. ANTONOPOULOS A, GEORGIOU E, KYRIAKIDIS M, NIKOLOPOULOS D, PROUKAKIS C, TOUTOUZAS P. Thallium-201 for detection of myocardial viability: comparison of early postexercise reinjection and imaging with 4 and 18-24 hours redistribution imaging. Cardiology 1998; 90(2):137-144.

3. NIKOLOPOULOS D, LOUIZI A, PETROPOULOS N, SIMOPOULOS S, PROUKAKIS C. Experimental study of cup-type radon dosimeters. Rad Prot Dosim 1999; 83(3):263-266.

4. ANTONOPOULOS A, NIKOLOPOULOS D, GEORGIOU E, KYRIAKIDIS M, PROUKAKIS C. Blood pressure elevation after phenylephrine infusion may adversely affect myocardial perfusion in patients with coronary artery disease.  Int J Cardiol 2002; 84(2-3):201-209. 

5. NIKOLOPOULOS D, LOUIZI A, KOUKOULIOU V, SEREFOGLOU A, GEORGIOU E, NTALLES K, PROUKAKIS C. Radon survey in Greece-Risk Assessment. J Environ Radioactiv 2002; 63(2):173-176. 

6. LOUIZI A, NIKOLOPOULOS D, KOUKOULIOU V, KEHAGIA K. Study of two areas in Greece with enhanced radon concentrations. Rad Prot Dosim 2003; 106(3):219-226.

7. VOGIANNIS E, NIKOLOPOULOS D, LOUIZI A, HALVADAKIS C. Radon variations during treatment in thermal spas of Lesvos Island (Greece). J Environ Radioactiv 2004; 75(2):159-170.

8. VOGIANNIS E, NIKOLOPOULOS D, LOUIZI A. HALVADAKIS C. Radon exposure in the thermal spas of Lesvos island-Greece. Rad Prot Dosim 2004; 111(1):1-7.

9.  LIAPARINOS P, KANDARAKIS I, CAVOURAS D, NIKOLOPOULOS, D, VALAIS I. Simulating the emission efficiency and resolution properties of fluorescent screens by Monte Carlo methods. IEEE Nucl Sci Symp Conf Rec 2004; 2:1187-1191.

10. VALAIS I, KANDARAKIS I, NIKOLOPOULOS D, SIANOUDIS I, DIMITROPOULOS N, CAVOURAS D, NOMICOS C, PANAYIOTAKIS G. Luminescence efficiency of (Gd2SiO5:Ce) scintillator under X-ray excitation. IEEE Nucl Sci Symp Conf Rec 2004; 5:2737-2741.

11. VOGIANNIS E, NIKOLOPOULOS D, LOUIZI A, HALVADAKIS C. Radon variations during treatment in thermal spas of Lesvos Island (Greece). J Environ Radioactiv 2004; 76(3):283-294.

12. GERANIOS A, NIKOLOPOULOS D, LOUIZI A, KARATZI A. Multiple Radon Survey in Spa of Loutra Edipsou (Greece). Rad Prot Dosim 2004; 112(2): 251-258.

13. PETALAS A, VOGIANNIS S, NIKOLOPOULOS D, HALVADAKIS CP. Preliminary survey of outdoor gamma dose rates in Lesvos Island (Greece). Rad Prot Dosim 2005; 113:336-341.

14. NIKOLOPOULOS D, LOUIZI A, SEREFOGLOU A, MALAMITSI J. Radon exposure of the Greek population due to radon. Radioactivity in the Environment 2005; 7:425-430.

15. LOUIZI A, NIKOLOPOULOS D, SEREFOGLOU A, MALAMITSI J. Preliminary study of two high radon areas in Greece. Radioactivity in the Environment 2005; 7:431-437.

16. CAVOURAS D, KANDARAKIS I, NIKOLOPOULOS D, KALATZIS I, EPISKOPAKIS A, LINARDATOS D, ROUSSOU M, NIRGIANAKI E, MARGETIS D, VALAIS I, KALIVAS N, KOURKOUTAS K, SIANOUDIS I, DIMITROPOULOS N, LOUIZI A, NOMICOS C, PANAYIOTAKIS G. Light emission efficiency and imaging performance of Y₂Al₅O₁₂:Ce (YAG:Ce) powder scintillator under diagnostic radiology conditions, Appl Phys (B) 2005; 80(7):923-933.

17. KANDARAKIS I, CAVOURAS D, NIKOLOPOULOS D, ANASTASIOU A, DIMITROPOULOS N, KALIVAS N, VENTOURAS E, KALATZIS I, NOMICOS C, PANAYIOTAKIS G. Evaluation of ZnS:Cu phosphor as x-ray to light converter under mammographic conditions. Radiat Meas 2005; 39(3):263-275.

18.  VALAIS I KANDARAKIS I, NIKOLOPOULOS D, SIANOUDIS I, LOUDOS G, GIOKARIS N, NIKITA K, CAVOURAS D, DIMITROPOULOS N, NOMICOS C, PANAYIOTAKIS G. Luminescence properties of LuYSiO₅:Ce, Gd₂SiO₅:Ce and CsI:Tl single crystal scintillators under X-ray excitation, for use in medical imaging systems. IEEE Nucl Sci Symp Conf Rec 2005; 3:1323-1327.

19. VALAIS I, CONSTANTINIDIS A, SALEMIS G, NIKOLOPOULOS D, DIMITROPOULOS N, CAVOURAS D, PANAYIOTAKIS G, KANDARAKIS I. Evaluation of cerium doped Yttrium Aluminum Oxide (YAG and YAP) powder scintillating screens for use in x-ray imaging. Biomed Tech 2005; 50(1): 11-12.

20. TSANTILAS X, LOUIZI A, VALAIS I, NIKOLOPOULOS D, SAKELLIOS N, KARAKATSANIS N, LOUDOS G, NIKITA K, MALAMITSI J, KANDARAKIS I. Simulation of commercial PET scanners with GATE Monte Carlo simulation package. Biomed Tech 2005; 50(1):114-115.

21. VALAIS I, KANDARAKIS I, NIKOLOPOULOS D, LOUDOS G, GIOKARIS N, KARAGIANNIS C, EPISKOPAKIS A, DIMITROPOULOS N, PANAYIOTAKIS G. Experimental determination of luminescence emission properties of CsI: Tl, LuYSiO₅: Ce (LYSO: Ce) and Gd₂SiO₅: Ce (GSO: Ce) single crystal scintillators for use in non projection X-ray imaging. Biomed Tech 2005; 50(1):1112-1113

22. NIKOLOPOULOS D, KANDARAKIS I, VALAIS I, GAITANIS A, CAVOURAS D, PANAYIOTAKIS G, LOUIZI A. X-ray absorption and x-ray fluorescence of medical imaging scintillating screens via application of Monte Carlo methods. Biomed Tech 2005; 50(1):1124-1125.

23. VALAIS I, KANDARAKIS I, NIKOLOPOULOS D, SIANOUDIS I, DIMITROPOULOS N, CAVOURAS D, NOMICOS C, PANAYIOTAKIS G. Luminescence efficiency of Gd₂SiO₅:Ce scintillator under x-ray excitation. IEEE Trans Nucl Sci 2005; 52(5):1830-1835.

24. KANDARAKIS I, CAVOURAS D, SIANOUDIS I, NIKOLOPOULOS D, EPISKOPAKIS A, LINARDATOS D, MARGETIS D, NIRGIANNAKI E, ROUSSOU M, MELISSAROPOULOS P, KALIVAS N, KALATZIS I, KOURKOUTAS K, DIMITROPOULOS N, LOUIZI A, NOMICOS C, PANAYIOTAKIS G. On the response of Y₃AL5O₁₂: Ce (YAG: Ce) powder scintillating screens to medical imaging x-rays. Nucl Instr Meth A2005; 538: 615-630.

25. KANDARAKIS I, CAVOURAS D, NIKOLOPOULOS D, LIAPARINOS P, EPISKOPAKIS A, KOURKOUTAS K, KALIVAS N, DIMITROPOULOS N, SIANOUDIS I, NOMICOS C, PANAYIOTAKIS G. Modelling Angular distribution of light emission in granular scintillators used in X-ray imaging detectors. In: Recent Advances in Multidisciplinary Applied Physics. Netherlands: Elsevier; 2005 909-918.

26. CAVOURAS D, NIKOLOPOULOS D, EPISKOPAKIS A, KALIVAS N, SIANOUDIS I, DIMITROPOULOS N, NOMICOS C, PANAYIOTAKIS G, KANDARAKIS I. A theoretical model evaluating the angular distribution of luminescence emission in x-ray scintillating screens. Appl Radiat Isotop 2006; 64(4): 508-519.

27. NIKOLOPOULOS D, VALAIS I, KANDARAKIS I, CAVOURAS D, LINARDATOS D, SIANNOUDIS I, LOUIZI A, DIMITROPOULOS N, VATTIS D, EPISKOPAKIS A, NOMICOS C, PANAYIOTAKIS G. Evaluation of GSO: Ce scintillator in the x-ray energy range from 40 to 140 kV for possible applications in medical X-ray imaging. Nucl Instr Method (A) 2006; 560(2): 577-583.

28. NIKOLOPOULOS D, KANDARAKIS I, CAVOURAS D, LOUIZI A, NOMICOS C. Investigation of radiation absorption and x-ray fluorescence of medical imaging scintillators by Monte Carlo Methods. Nucl Instr Method (A) 2006; 565(2):821-832.

29. DAVID S, MICHAIL C, VALAIS I, NIKOLOPOULOS D, KALIVAS N, KALATZIS I, KARATOPIS A, CAVOURAS D, LOUDOS G, PANAYIOTAKIS GS, KANDARAKIS I. Luminescence efficiency of Lu₂SiO₅:Ce (LSO) powder scintillator for X-ray medical radiography applications.  IEEE Nucl Sci Symp Conf Rec 2006; 2: 1178-1182.

30.  

31. VALAIS I, DAVID S, MICHAIL C, NIKOLOPOULOS D, CAVOURAS D, SIANOUDIS I, KOURKOUTAS C, KANDARAKIS I, PANAYIOTAKIS G. Investigation of luminescence emission properties of (Lu,Y)₂SiO₅: Ce (LYSO:Ce) and (Lu,Y)A0₃: Ce (LuYAP:Ce) single crystal scintillators under x-ray exposure for use in medical imaging. IEEE Nucl Sci Symp Conf Rec 2006; 2: 1187-1191.

32. VALAIS I, KANDARAKIS I, NIKOLOPOULOS D, KONSTANTINIDIS A, SIANNOUDIS I, CAVOURAS D, DIMITROPOULOS N, NOMICOS C, PANAYIOTAKIS G. Evaluation of light emission efficiency of LYSO: Ce scintillator under x-ray excitation for possible applications in medical imaging. Nucl Instr Method (A)2006; 569(2):201-204.

33. KALIVAS N, VALAIS I, NIKOLOPOULOS D, SALEMIS G, KARAGIANNIS C, KONSTANTINIDIS A, MICHAIL C, LOUDOS G, SAKELIOS N, KARAKATSANIS N, NIKITA K, GAYSHAN VL, GEKTIN AV, SIANOUDIS I, GIOKARIS N, NOMICOS C, DIMITROPOULOS N, CAVOURAS D, PANAYIOTAKIS G, KANDARAKIS I. Imaging properties of cerium doped Yttrium Aluminum Oxide (YAP:Ce) powder scintillating screens under x-ray excitation. Nucl Instr Method (A) 2006; 569(2):210-214.

34. PATATOUKAS G, GAITANIS A, KALIVAS N, LIAPARINOS P, NIKOLOPOULOS D, KONSTANTINIDIS A, KANDARAKIS I, CAVOURAS D, PANAYIOTAKIS G. The effect of energy weighting on the SNR under the influence of non ideal detectors in mammographic applications. Nucl Instr Method (A) 2006;569(2):260-263.

35. NIKOLOPOULOS D, KANDARAKIS I, TSANTILAS X, VALAIS I, CAVOURAS D, LOUIZI A. Comparative study of the radiation detection efficiency of LSO, LuAP, GSO and YAP scintillators for use in positron emission imaging (PET) via Monte-Carlo Methods. Nucl Instr Method (A) 2006; 569(2):350-354.

36. KARAKATSANIS N, SAKELLIOS N, TSANTILAS X, DIKAIOS N, TSOUMPAS C, LAZARO D, LOUDOS G, SCHMIDTLEIN C.R, LOUIZI A, VALAIS I,  NIKOLOPOULOS D, MALAMITSI J, KANDARAKIS J, NIKITA J. Comparative evaluation of two commercial PET scanners, ECAT EXACT HR+ and Biograph 2, using GATE. Nucl Instr Method (A) 2006; 569(2): 368-372.

37. NIKOLOPOULOS D, VOGIANNIS E. Modelling radon progeny concentration variations in thermal spas. Sci Tot Environ 2007; 373(1): 82-93.

38. GONIAS P, BERTSEKAS N, KARAKATSANIS N, SAATSAKIS G, GAITANIS A, NIKOLOPOULOS D, LOUDOS G, PAPASPYROU L, SAKELLIOS N, TSANTILAS X, DASKALAKIS A, LIAPARINOS P, NIKITA K, LOUIZI A, CAVOURAS D, KANDARAKIS I, PANAYIOTAKIS GS. Validation of a GATE model for the simulation of the Siemens PET Biograph™ 6 scanner. Nucl Instr Method (A) 2007; 571 (1): 263-266.

39. NIKOLOPOULOS D, LINARDATOS D, VALAIS I, MICHAIL C, DAVID S, GONIAS P, BERTSEKAS N, CAVOURAS D, LOUIZI A, KANDARAKIS I. MONTE Carlo Validation in the Diagnostic Radiology Range. Nucl Instr Method (A) 2007 571(1): 267-269.

40. EFTHIMIOU N, KALIVAS N, PATATOUKAS G, KONSTANTINIDIS A, VALAIS I, NIKOLOPOULOS D, GAITANIS A, DAVID S, MICHAIL C, LOUDOS G, CAVOURAS D, KOURKOUTAS K, PANAYIOTAKIS G, KANDARAKIS I. Investigation of the effect of the scintillator material on the overall X-ray detection system performance by application of analytical models. Nucl Instr Method (A) 2007; 571(1):270-273.

41. VALAIS I, NIKOLOPOULOS D, KALIVAS N, GAITANIS AN LOUDOS G, KANDARAKIS I, SIANOUDIS I, GIOKARIS D, CAVOURAS D, DIMITROPOULOS N, NOMICOS C, PANAYIOTAKIS G. A systematic study of the performance of the CsI: Tl single-crystal scintillator under x-ray excitation. Nucl Instr Method (A) 2007; 571 (1): 343-345.

42. DAVID S, MICHAIL C, VALAIS I, NIKOLOPOULOS D, LIAPARINOS P, KALIVAS N, KALATZIS I, EFTHIMIOU N, TOUTOUNTZIS A, LOUDOS G, SIANOUDIS I, CAVOURAS D, DIMITROPOULOS N, NOMICOS C, KANDARAKIS I, PANAYIOTAKIS G. Efficiency of Lu₂SiO₅: Ce (LSO) powder phosphor as X-ray to light converter under mammographic imaging conditions. Nucl Instr Method (A) 2007; 571 (1) 346-349.

43. VALAIS I, KANDARAKIS I, NIKOLOPOULOS D, MICHAIL C, DAVID E, SIANOUDIS I, LOUDOS G, CAVOURAS D, DIMITROPOULOS N, NOMICOS C, PANAYIOTAKIS G. Luminescence properties of (Lu,Y)₂SiO₅: Ce and Gd₂SiO₅: Ce single crystal scintillators under x-ray excitation, for use in medical imaging systems. IEEE Trans Nucl Sci 2007; 54 (1): 11-18.

44. MICHAIL C, DAVID S, VALAIS I, NIKOLOPOULOS D, SIANOUDIS I, DIMITROPOULOS N, PANAYIOTAKIS G, CAVOURAS D, KANDARAKIS I. Investigation of the radiation absorption and light emission properties of a 25 mg/cm2 Lu₂SiO₅:Ce (LSO) scintillating screen for use in x-ray digital mammography detectors. E-JST 2007; 1(2): 72-80.

45. MICHAIL C, PANAYIOTAKIS G, DAVID S, LIAPARINOS P, VALAIS I, NIKOLOPOULOS D, KALIVAS N, KANDARAKIS I. Evaluation of the imaging performance of LSO powder scintillator for use in X-ray mammography. Nucl Instr Method (A) 2007 580(1): 558-561.

46. VALAIS I, DAVID S, MICHAIL C, NIKOLOPOULOS D, KALIVAS N, TOUTOUNTZIS A, SIANOUDIS I, CAVOURAS D, DIMITROPOULOS N, NOMICOS C, KANDARAKIS I, PANAYIOTAKIS G. Comparative study of luminescence properties of LuYAP: Ce and LYSO: Ce single-crystal scintillators for use in medical imaging. Nucl Instr Method (A) 2007 580(1): 614-616.

47. KALIVAS N, VALAIS I, NIKOLOPOULOS D, KONSTANTINIDIS A, GAITANIS A, CAVOURAS D, NOMICOS C.D, PANAYIOTAKIS G, KANDARAKIS I. Light Emission efficiency and imaging properties of YAP: Ce granular phosphor screens. App Phys (A) 2007; 89(2): 443-449. 

48. NIKOLOPOULOS D, LOUIZI A. Study of indoor radon and radon in drinking water in Greece and Cyprus: Implications to exposure and dose. Radiat Meas 2008; 43(7): 1305-1314. 

49. VOGIANNIS E, NIKOLOPOULOS D, Modelling of radon concentration peaks in thermal spas: Application to Polichnitos and Eftalou spas (Lesvos Island-Greece). Sci Tot Environ 2008; 405 (1-3): 36-44.

50. NIKOLOPOULOS D, VOGIANNIS E, PETRAKI E, ZISOS A, LOUIZI A. Investigation of the exposure to radon and progeny in the thermal spas of Loutraki (Attica-Greece): Results from measurements and modelling. Sci Tot Environ 2010; 408:495-504. 

51. NIKOLOPOULOS D, PETRAKI E, MAROUSAKI A, POTIRAKIS S, KOULOURAS G, NOMICOS C, PANAGIOTARAS D, STONHAM J, LOUIZI A. Environmental monitoring of radon in soil during a very seismically active period occurred in South West Greece. J Environ Monit 2012; 14:564-578.

52. NIKOLOPOULOS D, KALYVAS N, VALAIS I, ARGYRIOU X, VLAMAKIS E, SEVVOS T, KANDARAKIS I. A semi-empirical Monte Carlo based model of the Detector Optical Gain of Nuclear Imaging scintillators. JINST 2012; 7 P1102.

53. PETRAKI Ε, NIKOLOPOULOS D, FOTOPOULOS A, PANAGIOTARAS D, KOULOURAS G, ZISOS A, NOMICOS C, LOUIZI A, STONHAM J. Self-organised critical features in soil radon and MHz electromagnetic disturbances: Results from environmental monitoring in Greece. Appl Radiat Isotop2013; 72: 39–53.

54. PETRAKI E, NIKOLOPOULOS D, FOTOPOULOS A, PANAGIOTARAS D, NOMICOS C, YANNAKOPOULOS P, ZISOS A, LOUIZI A, STONHAM J. Long-range memory patterns in variations of environmental radon in soil. Anal Methods 2013; 5:4010-4020.

55. NIKOLOPOULOS D, VOGIANNIS E, PETRAKI E, KOTTOU S, YANNAKOPOULOS P, LEONTARIDOU M, LOUIZI A. Dosimetry modelling of transient radon and progeny concentration peaks: Results from in-situ measurements in Ikaria spas. Greece. Environ Sci: Processes Impacts 2013; 15:1216-1227.

56. NIKOLOPOULOS D, KOTTOU S, CHATZISAVVAS N, ARGYRIOU X, VLAMAKIS E, YANNAKOPOULOS P, LOUIZI A., A GATE Simulation Study of the Siemens Biograph DUO PET/CT System. Open Journal of Radiology 2013; 3(2):56-65.

57. NIKOLOPOULOS D, PETRAKI E, VOGIANNIS E, CHALDEOS Y, YANNAKOPOULOS P, NOMICOS C, STONHAM J. Traces of self-organisation and long-range memory in variations of environmental radon in soil: Comparative results from monitoring in Lesvos Island and Ileia (Greece). J Radioanal Nucl Chem2014; 299:203-219.

58. KOTTOU S, NIKOLOPOULOS D, PETRAKI E, LOUIZI A, ARGYRIOU X, SEVVOS T, YANNAKOPOULOS P H. Human Beings and Radiation-A Review. E-JST 2014; 3(9):51-60.

59. KOTTOU S, NIKOLOPOULOS D, VOGIANNIS E, KOULOUGLIOTIS D, PETRAKI E, YANNAKOPOULOS P H. How Safe is the Environmental Electromagnetic Radiation? J Phys Chem Biophys 2014; 4(3):146 1-10.

60. NIKOLOPOULOS D, KOTTOU S, LOUIZI A, PETRAKI E, VOGIANNIS E, YANNAKOPOULOS P H. Factors Affecting Indoor Radon Concentrations of Greek Dwellings through Multivariate Statistics - First Approach. J Phys Chem Biophys 2014; 4(2): 1-8.

61. NIKOLOPOULOS D, KOTTOU S, PETRAKI E, VOGIANNIS E, YANNAKOPOULOS P H. Response of CR-39 Polymer Radon-Sensors via Monte-Carlo Modelling and Measurements. J Phys Chem Biophys2014; 4(3): 1-5.

62. SKOUNTZOS AP, NIKOLOPOULOS D, PETRAKI E, KOTTOU S, YANNAKOPOULOS PH. The electromagnetic pollution of wireless electronic equipment in areas with high human accumulation. J Civil Environ Eng 2014; 4(5): 1-4.

63. PANAGIOTARAS D, NIKOLOPOULOS D, PETRAKI E, KOTTOU S, KOULOUGLIOTIS D, YANNAKOPOULOS PH, KAPLANIS S. Comprehensive experience for Indoor Air Quality Assessment. A review on the determination of Volatile Organic Compounds (VOCs). J Phys Chem Biophys 2014; 4(5):1-12.

64. NIKOLOPOULOS D, MICHAIL C, VALAIS I, YANNAKOPOULOS P, KOTTOU S, KARPETAS G, PANAYIOTAKIS G. GATE Simulation of the Biograph 2 PET/CT Scanner. J Nucl Med Radiat Ther 2014; 5(5):1-6.

65.  NIKOLOPOULOS D, PETRAKI E, TEMENOS N, KOTTOU S, KOULOUGLIOTIS D, YANNAKOPOULOS PH. Hurst exponent analysis of indoor radon profiles of Greek apartment dwellings. J Phys Chem Biophys 2014; 4(6):1-8.

66. KOTTOU S, NIKOLOPOULOS D, PETRAKI E, BHATTACHARYYA D, KIRBY PB, BERBERASHVILI TM, CHAKHVASHVILI LA, KERVALISHVILI PJ, YANNAKOPOULOS PH. Monte-Carlo Modelling and Experimental Study of Radon and Progeny. Radiation Detectors for Open Environment. In: Dincer I,Colpan CO, Kizilkan O, Ezan MA. Eds. Progress in Clean Energy, Volume 1. Switzerland: Springer International Publishing; 2015:787-801.

67. VOGIANNIS E, NIKOLOPOULOS D. Radon Sources and Associated Risk in terms of Exposure and Dose. Front Public Health 2015; 2(207): 1-10.

68.  PETRAKI E, NIKOLOPOULOS D, NOMICOS C, STONHAM, J, CANTZOS D, YANNAKOPOULOS P, KOTTOU S. Electromagnetic Pre-earthquake Precursors: Mechanisms, Data and Models-A Review. J Earth Sci Clim Change 2015; 6(1): 1-11.

69. NIKOLOPOULOS D, PETRAKI E, NOMICOS C, KOULOURAS G, KOTTOU S, YANNAKOPOULOS PH.Long-memory trends in disturbances of radon in soil prior to the twin ML=5.1 earthquakes of 17 November 2014 Greece. J Earth Sci Clim Change 2015 6(1): 1-10.

70. CANTZOS D, NIKOLOPOULOS D, PETRAKI E, NOMICOS C, YANNAKOPOULOS P, Identifying Long-Memory Trends in Pre-Seismic MHz Disturbances through Support Vector Machines. J Earth Sci Clim Change 2015; 6(3): 1-9.

71.  PANAGIOTARAS D, NIKOLOPOULOS D. Arsenic Occurrence and Fate in the Environment; A Geochemical Perspective. J Earth Sci Clim Change 2015; 6(4): 1-9.

72. NIKOLOPOULOS D, KOULOUGLIOTIS D, VOGIANNIS E, PETRAKI E, PANAGIOTARAS D, YANNAKOPOULOS P, KOTTOU S. Pilot Electromagnetic Field Measurements in Certain Areas in Greece. J Phys Chem Biophys 2015; 5(2): 1-11.

73. ERIOTOU E, ANASTASIADOU K, KOULOUGLIOTIS D, NIKOLOPOULOS D. Antimicrobial and Free Radical Scavenging Activities of Basil (Ocimum basilicum) Essential Oil Isolated from Five Plant Varieties Growing in Greece. J Nut Food Sci 2015; 5(3): 1-9.

74. DIAMANTOPOULOS N, PANAGIOTARAS D, NIKOLOPOULOS D, Comprehensive Review on the Biodiesel Production using Solid Acid Heterogeneous Catalysts. J Thermodyn Catal 2015; 6(2): 1-8.

75.  KOTTOU S, NIKOLOPOULOS D, YANNAKOPOULOS P, VOGIANNIS E, PETRAKI E, PANAGIOTARAS D, KOULOUGLIOTIS D, KOULOUGLIOTIS D. Preliminary background indoor EMF measurements in Greece. Physica Medica 2015; 31(7): 808-816.

76.  PANAGIOTARAS D, KOULOUGLIOTIS D, NIKOLOPOULOS D, KALAKARIS AN, YANNOPOULOS AC, PIKIOS. Biogeochemical Cycling of Nutrients and Thermodynamic Aspects. J Thermodyn Catal 2015;6(2): 1-7.

77. PETRAKI E, NIKOLOPOULOS D, PANAGIOTARAS D, CANTZOS D, YANNAKOPOULOS P, NOMICOS C, STONHAM J. Radon-222: A Potential Short-Term Earthquake Precursor. J Earth Sci Clim Change2015; 6(6): 1-11.

78. MICHAIL CM, KARPETAS GE, FOUNTOS GP, VALAIS IG, NIKOLOPOULOS D, KANDARAKIS IS, PANAYIOTAKIS GS. Assessment of the Contrast to Noise Ratio in PET Scanners with Monte Carlo Methods. J Physics Conf Ser 2015; 637(012019):1-4.

79. KARPETAS GE, MICHAIL CM, FOUNTOS GP, VALAIS IG, NIKOLOPOULOS D, KANDARAKIS IS, PANAYIOTAKIS GS. Influence of Iterative Reconstruction Algorithms on PET Image Resolution. J Physics Conf Ser 2015; 637(012011): 1-4.

80. VALAIS I, MICHAIL C, NIKOLOPOULOS D, FOUNTZOULA C, BAKAS A, YANNAKOPOULOS P, FOUNTOS G, PANAYIOTAKIS G, KANDARAKIS I. Effect of the Concentration on the X-ray Luminescence Efficiency of a Cadmium Selenide/Zinc Sulfide (CdSe/ZnS) Quantum Dot Nanoparticle Solution. J Physics Conf Ser 2015; 637(012031): 1-4.

81. TEMENOS N, NIKOLOPOULOS D, PETRAKI E, YANNAKOPOULOS PH. Modelling of Indoor Air Quality of Greek Apartments Using CONTAM(W) Software. J Phys Chem Biophys 2015; 5(6): 1-10.

82. KOULOUGLIOTIS D, KALIMERIS A, POTOZI S, LORILLA RS, KEFALAS G, NIKOLOPOULOS D. Indoor Air Pollution: The Case of Ozone in Three Regions in Greece J Phys Chem Biophys 2015; 5(6): 1-5.

83. YANNAKOPOULOS P, NIKOLOPOULOS D, PETRAKI E, TSELES D. Digital Radiation Sensors and Nanosensory Systems. In: Kervalishvili PJ, Yannakopoulos PH, eds. Nuclear Radiation Nanosensors and Nanosensory Systems. Netherlands: Springer Science & Business Media Dordrecht:NATO Science for Peace and Security Series B: Physics and Biophysics; 2016: 9-18.

84. NIKOLOPOULOS D, VALAIS I, YANNAKOPOULOS P, MICHAIL C, FOUNTZOULA C, BAKAS A, KANDARAKIS I, PANAYIOTAKIS G Luminescence Efficiency of Cadmium Selenide/Zinc Sulfide (CdSe/ZnS) Quantum Dot Nanoparticle Sensors Under X-Ray Excitation. Netherlands: Springer Science & Business Media Dordrecht:NATO Science for Peace and Security Series B: Physics and Biophysics; 2016: 53-59.

85. MICHAIL C, VALAIS I, DAVID S, BAKAS A, KALIVAS N, FOUNTOS G, KANDARAKIS I, YANNAKOPOULOS PH, NIKOLOPOULOS D. Efficiency of Luminescence of (Lu,Gd)₂SiO₅:Ce (LGSO:Ce) Crystal Sensory Material in the X-Ray Imaging Range. Netherlands: Springer Science &Business Media Dordrecht:NATO Science for Peace and Security Series B: Physics and Biophysics; 2016: 81-90.

86. PETRAKI E, NIKOLOPOULOS D, CHALDEOS Y, COULOURAS G, NOMICOS C, YANNAKOPOULOS P, KOTTOU S, STONHAM J. Fractal evolution of MHz electromagnetic signals prior to earthquakes: results collected in Greece during 2009. Geomat Nat Haz Risk 2016; 7(2): 550-564.

87.  CHATZOGLOU V, KOTTOU S, NIKOLOPOULOS D, MOLFETAS M, PAPAILIOU I, TSAPAKI V. Management and Optimisation of the Dose in Computed Tomography via a Dose Tracking Software.OMICS J Radiol 2016; 5(4): 1-6.

88.  NIKOLOPOULOS D, CANTZOS D, PETRAKI E, YANNAKOPOULOS PH, NOMICOS C. Traces of long-memory in pre-seismic MHz electromagnetic time series-Part1: Investigation through the R/S analysis and time-evolving spectral fractals. J Earth Sci Clim Change 2016; 7(7):1-17.

89.  CANTZOS D, NIKOLOPOULOS D, PETRAKI E, YANNAKOPOULOS PH, NOMICOS C. Fractal analysis, information-theoretic similarities and SVM classification for multichannel, multi-frequency pre-seismic electromagnetic measurements. J Earth Sci Clim Change 2016; 7(8):1-10.

90.  NIKOLOPOULOS D, VALAIS I, YANNAKOPOULOS PH, MICHAIL C, BAKAS A, FOUNTZOULA C, CANTZOS D, BHATTACHARAYYA D, FOUNTOS G, YANNAKOPOULOS PH, PANAYIOTAKIS G, KANDARAKIS I. Radioluminescence properties of the CdSe/ZnS Quantum Dot nanocrystals with analysis of long-memory trends. Radiat Meas 2016; 92:19-31.

91. CHATZOGLOU V, MOLFETAS M, TSAPAKI V, NIKOLOPOULOS D, CHARDALI E, GIAKA E, KOTTOU S. CT examination data analysis as an effective method to stimulate patient dose reduction. OMICS J Radiol 2016; 5(6):1-11.

92. NIKOLOPOULOS D, PETRAKI E, YANNAKOPOULOS PH, CANTZOS D, PANAGIOTARAS D, NOMICOS C. Fractal Analysis of Pre-Seismic Electromagnetic and Radon Precursors: A Systematic Approach. J Earth Sci Clim Change 2016; 7(11): 1-13.

93.  TSAPAKI V, KOTTOU S, FOTOS N, NIKOLOPOULOS D, PATSILINAKOS S. Interventional Cardiology - eight years of practice: do increased experience and technological evolution lead to undertaking more difficult cases and higher patient doses? OMICS J Radiol 2017; 6(1):1-7.

94. TSAPAKI V, PARASKEVA DK, GIANNAKOPOULOS A, CHATZOGLOU V, NIKOLOPOULOS D,ANGELOGIANNOPOULOU P. Patient and staff radiation exposure during endoscopic retrograde cholangio-pancreatography: Eight years of dose monitoring. OMICS J Radiol 2017; 6(1): 1-4.

95. VALAIS I, MICHAIL C, FOUNTZOULA D, TSELES D, YANNAKOPOULOS P, NIKOLOPOULOS D, BAKAS A, FOUNTOS G, SAATSAKIS G, SIANNOUDIS I, KANDARAKIS I, PANAYIOTAKIS G. On the response of alloyed ZnCdSeS Quantum Dot films. Results in Physics 2017; 7:1734-1736.

96. NIKOLOPOULOS D, MATSOUKAS C, YANNAKOPOULOS P, PETRAKI E, CANTZOS D, NOMICOS C. Long-Memory and Fractal Trends in Variations of Environmental Radon in Soil: Results from Measurements in Lesvos Island in Greece. Earth Sci Clim Change 2018; 9(460): 1-11.

97. NIKOLOPOULOS D, YANNAKOPOULOS P, PETRAKI E, CANTZOS D, NOMICOS C. Long-Memory and Fractal Traces in kHz-MHz Electromagnetic Time Series Prior to the ML=6.1, 12/6/2007 Lesvos, Greece Earthquake: Investigation through DFA and Time-Evolving Spectral Fractals. Earth Sci Clim Change 2018; 9(4): 1-15.

98. CANTZOS D, NIKOLOPOULOS D, PETRAKI E, YANNAKOPOULOS P, NOMICOS C. Long-Memory and Fractal Traces in kHz-MHz Electromagnetic Time Series Prior to the ML=6.1, 12/6/2007 Lesvos, Greece Earthquake: Earthquake precursory signatures in electromagnetic radiation measurements in terms of day-to-day fractal spectral exponent variation: analysis of the eastern Aegean 13/04/2017–20/07/2017 seismic activity. J. Seismol. 2018; 22(6): 1499-1513.

99. NIKOLOPOULOS D, MOUSTRIS K, PETRAKI E, KOULOUGLIOTIS D, CANTZOS D. Fractal and Long-Memory Traces in PM₁₀ Time Series in Athens, Greece. Environments, 2019;6(3):29.

100. ALAM A, WANG N, ZHAO G, MEHMOOD T, NIKOLOPOULOS D. Long-lasting patterns of radon in groundwater at Panzhihua, China: Results from DFA, fractal dimensions and residual radon concentration.Geochemical J. 2019; 341-358.

101.  NIKOLOPOULOS D, MOUSTRIS K, PETRAKI E,, CANTZOS D.  Long-memory traces in PM10 time series in Athens, Greece: investigation through DFA and R/S analysis. Meteorol. Atmos. Phys. 2021;133, 261–279.

102. D’INCECCO S, DI CARLO P, ARUFFO E, CHATZISAVVAS N, PETRAKI, E, PRINIOTAKIS G, VOYIATZIS I, YANNAKOPOULOS PH, NIKOLOPOULOS D. Fractal Dimension Analysis Applied to Soil CO₂ Fluxes in Campotosto’s Seismic Area, Central Italy. Geosciences 2020, 10, 233.

103. NIKOLOPOULOS D, PETRAKI E, YANNAKOPOULOS PH, PRINIOTAKIS G, VOYIATZIS I, CANTZOS D. Long-Lasting Patterns in 3 kHz Electromagnetic Time Series after the ML = 6.6 Earthquake of 2018-10-25 near Zakynthos, Greece. Geosciences 2020, 10(6), 235.

104. MOUSTRIS KP, PETRAKI E, NTOUROU K, PRINIOTAKIS G, NIKOLOPOULOS D. Spatiotemporal Evaluation of PM10 Concentrations within the Greater Athens Area, Greece. Trends, Variability and Analysis of a 19 Years Data Series. Environments 2020, 7, 85. 

105. D’INCECCO S, NIKOLOPOULOS D, CHATZISAVVAS N, YANNAKOPOULOS P, PETRAKI E, PRINIOTAKIS G. Carbon dioxide as a trace gas precursor of seismic activity. Maket Vetnic 2020, 02, INDD 32.

106. NIKOLOPOULOS D, ALAM A, PETRAKI E, PAPOUTSIDAKIS M, YANNAKOPOULOS P, MOUSTRIS K.P. Stochastic and Self-Organisation Patterns in a 17-Year PM10Time Series in Athens, Greece.Entropy 2021,23, 307.

107. D’INCECCO S, PETRAKI E, PRINIOTAKIS G, PAPOUTSIDAKIS M, YANNAKOPOYLOS PH, NIKOLOPOULOS D. CO2 and Radon Emissions as Precursors of Seismic Activity. Earth Syst. Environ. 2021; 5, 655–666.

108. CHATZISAVVAS N, PRINIOTAKIS G, PAPOUTSIDAKIS M, NIKOLOPOULOS D, VALAIS I, KARPETAS G. Monte Carlo Computational Software and Methods in Radiation Dosimetry. AETiC, 2021; 5(3).

109. ALAM A, WANG N, PETRAKI E, BARKAT A, HUANG F, ALI SHAH M, CANTZOS D, PRINIOTAKIS G, YANNAKOPOULOS PH, PAPOUTSIDAKIS M, NIKOLOPOULOS D. Fluctuation dynamics of radon in groundwater prior to the 2013-22-07, Ms=6.6 Gansu Earthquake, China: Investigation with DFA and MFDFA methods. Pure Appl. Geophys. 2021; 178, 3375–3395. 

110. RAFIQUE M, IQBAL J, ALI SHAH S A, ALAM A, JAVED LONE K, BARKAT A, ALI SHAH M, AHMAD QURESHI S, NIKOLOPOULOS D. On fractal dimensions of soil radon gas time series. J. Atmos. Sol. Terrest. Phys. 2022; 227, 105775.

111. CHATZISAVVAS N,, KOUSTAS A, KARPETAS G, VALAIS I, PRINIOTAKIS G, NIKOLOPOULOS D Simulating Medical Imaging X-Ray Tubes with Various Parameters Using BEAMnrc Monte Carlo Software 2022, Open Journal of Radiology, 10.4236/ojrad.2022.123014.

112. CHATZISAVVAS N, NIKOLOPOULOS D, PRINIOTAKIS G, KOUSTAS A, KARPETAS G, VALAIS I. Generating CT X-rays and score dosimetric quantities on DICOM-based phantom utilizing Open Source Monte Carlo Software. INTERNATIONAL JOURNAL OF COMPUTER SCIENCES AND ENGINEERING 2022 (n press)

113. RAFIQUEKMM, IQBAL J, LONE K J, MIR A, KEARFOTT KJ, IQBAL A, QURESHI SA, ABBASI SA, NIKOLOPOULOS D, TAJ M Multifractal Detrended Cross-Correlation Analysis of Radioactivity borne Radon, Thoron and Meteorological Time Series. Physica A: Statistical Mechanics and its Applications 2022 PHYSA 128214.

114. VARDAKOSTA E, PRINIOTAKIS G, NIKOLOPOULOS D, SIGALA M, PAPOUTSIDAKIS M. Multivariate Analysis of Co-creation Activities in University Education. European Journal of Educational Research2022 1(4):2413-2428.

115. NIKOLOPOULOS D, ALAM A, PETRAKI E, YANNAKOPOULOS P, MOUSTRIS K. 

Multifractal patterns in 17 years PM 10 time series in Athens, Greece.Environments (in print)

INTERNATIONAL PEER-REVIEWED INDEXED JOURNAL SUPPLEMENTS

116. ANTONOPOULOS A, NIKOLOPOULOS D, GEORGIOU E, KYRIAKIDIS M, TOUTOUZAS P, Proukakis C. Effects of afterload increase on Thallium-201 scintigraphy and comparison with conventional excersice imaging. J Nucl Cardiol 1997; 4(1):S57.

117.  LOUIZI A, KOUKOULIOU V, NIKOLOPOULOS D, NTALLES K, VECIOS P, PROUKAKIS C. Exposure of the Arnea Chalkidikis inhabitants to radon-risk assessment. Physica Medica 1999; XV(3):221.

118. MARGETIS D, LINARDATOS D, NIRGIANNAKI E, ROUSSOU M, NIKOLOPOULOS D, EPISKOPAKIS A, SIANOUDIS I, CAVOURAS D, KANDARAKIS I. Experimental evaluation of a YAG: Ce phosphor for application in medical radiography detectors. Europ Radiol 2004; 14(S2): 517.

119. NIKOLOPOULOS D, LIAPARINOS P, MARGETIS D, LINARDATOS D, MELLISAROPOULOS P, KOURKOUTAS K, PANAYIOTAKIS G., CAVOURAS D, KANDARAKIS I. Investigation of the radiation detection properties of Lu₂SiO₅:Ce and Gd₂O₂S scintillators for applications in medical imaging. Europ Radiol 2004; 14(S2):519.

120. LIAPARINOS P, KANDARAKIS I, CAVOURAS D, NIKOLOPOULOS D, PANAYIOTAKIS G. Monte Carlostudy on radiation absorption properties of Gd₂O₂S, CsI, LSO, CaWO₄ phosphor screens formammographic x-ray imaging. Europ Radiol 2005; 15(S1): 538-539.

121. GAITANIS A, KANDARAKIS I, CAVOURAS D, KALIVAS N, DIMITROPOULOS N, NIKOLOPOULOS D,PANAYIOTAKIS G. The Importance of Detector Type, Detector Material, Reconstruction Filter & Reconstruction Algorithm in Simulated Computed Tomography Breast Imaging. Europ Radiol 2005; 15 (S1): 541.

122. NIKOLOPOULOS D Monte Carlo study of the Detection Efficiency of various scintillators for use in positron emission imaging (PET). EJNMMI 2006; 33 (S2): S116-S117.

123. NIKOLOPOULOS D, VALAIS I, MICHAIL C, KOTTOU S, CHATZISAVVAS N, YANNAKOPOULOS P, MALAXIANAKIS V. Modelling Biograph 2 PET/CT Scanner with GATE. Physica Medica 2014; 30:e94.

124. NIKOLOPOULOS D, KOTTOU S, PETRAKI E, VOGIANNIS E, MICHAIL C, LOUIZI A, CHALDEOS Y, YANNAKOPOULOS PH. Multivariate statistical Analysis of factors related to mean annual indoor radon concentrations of Greek dwellings. Physica Medica 2014; 30:e90-91.

125. VOGIANNIS E, NIKOLOPOULOS D, KOUKOU M, KOTTOU S, VRACHOPOULOS M, Radon entrance and its daily movement into a closed detached of three level house. Physica Medica 2014; 30:e91.

126. NIKOLOPOULOS D, VOGIANNIS E, KOTTOU S, CHALDEOS Y, PETRAKI E, YANNAKOPOULOS PH,Modeling of radon and progeny concentration peaks in thermal spas: results from the semi-empirical approach from several spas in Greece. Physica Medica 2014; 30:e91.

127. VOGIANNIS E, NIKOLOPOULOS D, KOTTOU S, YANNAKOPOULOS PH, EMR background measurements in a small town. Physica Medica 2014; 30:e92.

128. KOTTOU S, NIKOLOPOULOS D, KOULOUGLIOTIS D, POULIEZOS K, VOGIANNIS E, GORGOLIS N, LORILLA RS, KEFALAS G, POTOZI S, CHALDEOS Y, SEVVOS T, PETRAKI E, MICHAIL C, MOUSTANIS P, KALIMERIS A, YANNAKOPOULOS PH, Preliminary study of distribution of indoor EMR in Greek dwellings. Physica Medica 2014; 30:e91-92.

PROCEEDINGS IN INTERNATIONAL PEER-REVIEWED CONGRESSES

129. NIKOLOPOULOS D, MADISSON S, LOUIZI A, PROUKAKIS C. Radon survey in Kriri-Greece. Design Implementation and results. In: Proceedings of the European Conference on Protection Against Radon at Home and at Work. Praha: Charles University; June 2-6 1997: 156-159.

130. NIKOLOPOULOS D, LOUIZI A, PAPADIMITRIOU D, PROUKAKIS C. Study of the Calibration of the Medical Physics Department Radon Dosimeter in a radon facility. In: International Radiation ProtectionAgency, ed. Extended abstracts of the Second Regional Mediterranean Congress on Radiation Protection. Tel-Aviv, Israel; November 16-20 1997: 130-133. 

131. LOUIZI A, NIKOLOPOULOS D, LOBOTESI E, MAVROUDAKI E, KOUKOULIOU V, CHANIOTI M, PAPADIMITRIOU D, YIAKOUMAKIS E PROUKAKIS C. A study of some factors which are related to indoor radon concentrations in Greece.In: International Radiation Protection Agency, ed. Extended abstracts of the Second Regional Mediterranean Congress on Radiation Protection. Tel-Aviv, Israel; November 16-20 1997: 134-135. 

132. LOUIZI A, NIKOLOPOULOS D, KOUKOULIOU V, LOBOTESI E, MAVROUDAKI E, YIAKOUMAKIS E, PROUKAKIS C, MADISSON S, CHANIOTI M. Exposure of Greek population from residential radon-Latest results. In: International Radiation Protection Agency, ed. Extended abstracts of the Second Regional Mediterranean Congress on Radiation Protection. Tel-Aviv, Israel; November 16-20 1997: 289-290.

133. LOUIZI A, NIKOLOPOULOS D, LOBOTESI H, PROUKAKIS C. Factors affecting indoor radon concentrations in Greece. In: Simopoulos SE, Scivyer C, eds. Proceedings of Radon in the Living Environment. Athens:National Technical University of Athens & European Commision; 19-23 April 1999:667-676. http://www.inive.org/members_area/medias/pdf/Inive%5CRadon1999%5C077.pdf. Accessed October 29, 2016.

134. NIKOLOPOULOS D, LOUIZI A, KOUKOULIOU V, LOBOTESI E, PROUKAKIS C. Exposure of the Population of Southern Greece to Radon-Risk Assessment. In: Simopoulos SE, Scivyer C, eds.Proceedings of Radon in the Living Environment. Athens: National Technical University of Athens & European Commision; 19-23 April 1999: 677-684.http://www.inive.org/members_area/medias/pdf/Inive%5CRadon1999%5C078.pdf. Accessed October 29, 2016.

135. LOUIZI A, NIKOLOPOULOS D, GERANIOS A, SKOURAS A, PROUKAKIS C. Attached and unattached radon Progenies in a Greek dwelling. In: Simopoulos SE, Scivyer C, eds. Proceedings of Radon in the Living Environment. Athens: National Technical University of Athens & European Commission; 19-23 April 1999: 1305-1308.

136. NIKOLOPOULOS D, LOUIZI A, SEREFOGLOU A, MALAMITSI J. Radon exposure of the Greek population due to radon. In: Mc Laughlin JP, Simopoulos SE, Steinhausler, F. eds. Proceedings of Seventh International Symposium Natural Radiation Environment (NRE-VII). Rhodes, Greece: National Technical University of Athens; May 20-24 2002: 118-120.

137. LOUIZI A, NIKOLOPOULOS D, SEREFOGLOU A, MALAMITSI J. Preliminary study of two high radon areas in Greece.In: Mc Laughlin JP, Simopoulos SE, Steinhausler, F. eds. Proceedings of SeventhInternational Symposium Natural Radiation Environment (NRE-VII). Rhodes, Greece: National Technical University of Athens; May 20-24 2002: 121-123. 

138.  EPISKOPAKIS A, NIKOLOPOULOS D, ARVANITIS C, DIMITROPOULOS N, PANAYIOTAKIS G., CAVOURAS D, KANDARAKIS I. Modeling the detective quantum efficiency of scintillators used in medical imaging radiation detectors. In: Simos TE, ed. Proceedings of the International Conference on Computational Methods in Science and Engineering. University of Peloponnese: Tripolis, Greece:http://www.worldscientific.com/doi/pdf/10.1142/9789812704658_0038, paper number: 171, doi:http://dx.doi.org/10.1142/9789812704658_0038. printed version number 38, 12-16 September 2003:171-174.

139. NIKOLOPOULOS D, LIAPARINOS P, TSANTIS S, CAVOURAS D, KANDARAKIS I. PANAYIOTAKIS G. Radiation detection efficiency of the YAP scintillator for medical imaging applications by Monte-Carlo methods. In: Simos TE, ed. Proceedings of the International Conference on Computational Methods in Science and Engineering. University of Peloponnese: Tripolis, Greece:http://www.worldscientific.com/doi/pdf/10.1142/9789812704658_0099, paper number: 457, doi: http://dx.doi.org/10.1142/9789812704658_0099. printed version number 99, 12-16 September 2003:457-460. 

140. ROUSSOU M, NIRGIANNAKI E, VALAIS I, LINARDATOS D, MARGETIS D, NIKOLOPOULOS D, EPISKOPAKIS A, MELLISAROPOULOS P, SIANOUDIS I, DIMITROPOULOS N, NOMICOS C, PANAYIOTAKIS G.S, CAVOURAS D, KANDARAKIS I. Evaluation of Y₃Al₅O₁₂:Ce (YAG:Ce) powder phosphor a x-ray to light converter for application in digital mammography detectors. Paper presented at: II Mediterranean Congress on Medical Physics (EFOMP); April 28-30 2004; Limassol, Cyprus. Congress CD ROM paper number: 18. 

141. NIKOLOPOULOS D, LIAPARINOS P, CAVOURAS D, LOUIZI A, VALAIS I, MELLISAROPOULOS P, KALIVAS N, PANAYIOTAKIS G.S, NOMICOS C, KANDARAKIS I. Computational Evaluation of radiation efficiency of various scintillators by Monte-Carlo technique. Paper presented at: II Mediterranean Congress on Medical Physics (EFOMP); April 28-30 2004; Limassol, Cyprus. Congress CD ROM paper number: 19. 

142. EPISKOPAKIS A, VALAIS I, ROUSSOU M, NIRGIANNAKI E, NIKOLOPOULOS D, SIANOUDIS I, KOURKOUTAS K, DIMITROPOULOS N, CAVOURAS D, NOMICOS C.D, PANAYIOTAKIS GS, KANDARAKIS I. Modeling MTF and DQE of rare earth phosphors for medical imaging applications. Paper presented at: II Mediterranean Congress on Medical Physics (EFOMP); April 28-30 2004; Limassol, Cyprus. Congress CD ROM paper number: 20. 

143. VALAIS I, KANDARAKIS I, ROUSSOU M, NIRGIANNAKI E, NIKOLOPOULOS D, EPISKOPAKIS A, SIANOUDIS I, DIMITROPOULOS N, CAVOURAS D, NOMICOS C.D, KALIVAS N, PANAYIOTAKIS G.S. Evaluating the luminescence of Gd₂SiO₅: Ce (GSO (Ce)) single crystal scintillator for medical imaging applications using the absolute integrating sphere (AIS) method. Paper presented at: II Mediterranean Congress on Medical Physics (EFOMP); April 28-30 2004; Limassol, Cyprus. Congress CD ROM paper number: 21.

144. VALAIS I, NIKOLOPOULOS D, KANDARAKIS I, MELLISAROPOULOS P, DIMITROPOULOS N, CAVOURAS D, NOMICOS C.D, PANAYIOTAKIS G.S. Evaluation of Gd₂SiO₅: Ce (GSO (Ce)) single crystal scintillator under diagnostic x-ray excitation. Paper presented at: MEDICON 2004, the 10th Mediterranean Conference of the International Federation for Medical and Biological Engineering, IFMBE; July 31-August 5 2004; Island of ISCHIA, Naples,Italy. 

145. LOUIZI A, NIKOLOPOULOS D, TZORTZI A, VOGIANNIS E, KOUKOULIOU V, THANASSAS D, SEREFOGLOU A, GEORGIOU E. Radon concentration measurements in waters in Greece and Cyprus. Paper presented at: European Conference on Protection Against Radon at Home and at Work; June 29 - July 6 2004; Praha, Czech Republic.

146. NIKOLOPOULOS D, LOUIZI A, VOGIANNIS E, CHALVADAKIS CP, SEREFOGLOU A, GEORGIOU E. Radon exposure during treatment in some thermal spa centers in Greece. Paper presented at: European Conference on Protection Against Radon at Home and at Work; June 29 - July 6 2004; Praha, Czech Republic.

147. LIAPARINOS P, CAVOURAS D, KANDARAKIS I, NIKOLOPOULOS D, PANAYIOTAKIS G. Prediction of imaging scintillator properties by Monte Carlo Methods. Paper presented at: Proceedings of the 4th European Symposium on Biomedical Engineering; 25-27 June 2004; Patra, Greece. 

148. VALAIS I, NIKOLOPOULOS D, KANDARAKIS I, NOMICOS C, PANAYIOTAKIS G.S. Experimental investigation of radiation detection characteristics of GSO (Gd₂SiO₅: Ce) single crystal scintillator using the absolute integrating sphere method. Paper presented at: Proceedings of the 4th European Symposium on Biomedical Engineering; 25-27 June 2004; Patra, Greece. 

149. LIAPARINOS P, CAVOURAS C, NIKOLOPOULOS D, KANDARAKIS I, PANAYIOTAKIS G.S. Monte Carlo Study on Imaging Parameters of Gd₂O₂S Scintillator for Mammographic Applications. Paper presented at: 1^st International Conference “From scientific computing to computational engineering”, 1^stIC-SCCE; 8-10 September 2004; Athens, Greece. CD-ROM Proceedings: Work 68. 

150. VALAIS I, KANDARAKIS I, NIKOLOPOULOS D, SIANOUDIS I, DIMITROPOULOS N, CAVOURAS D, NOMICOS C.D, PANAYIOTAKIS G.S. On the luminescence efficiency of (Gd₂SiO₅: Ce) scintillator under x-ray excitation. Paper presented at: Nuclear Science Symposium (NSS) and Medical Imaging Conference (MIC) and Semiconductor X-ray and g-ray detectors Workshop; 16-22 October 2004; Rome, Italy.

151. LIAPARINOS P, KANDARAKIS I, CAVOURAS D, NIKOLOPOULOS D, PANAYIOTAKIS G.S. Simulating the emission efficiency and resolution properties of fluorescent screens by Monte Carlo methods. Paper presented at: Nuclear Science Symposium (NSS) and Medical Imaging Conference (MIC) and Semiconductor X-ray and γ-ray detectors Workshop. 16-22 October 2004; Rome, Italy.

152. CHRISTOFAKIS E, FILLIPOU K, PITSIOS N, VALAIS I, SIANOUDIS I, NIKOLOPOULOS D, PANAYIOTAKIS G, KANDARAKIS I. Experimental determination of single-crystal scintillators properties by application of the integration sphere photometry methos. Paper presented at: 1^st IC-EpsMSO LFME; 4-10 July 2005; Athens, Greece.

153. KONSTANTINIDIS A, EPISKOPAKIS A, PIROVOLAKIS I VALAIS I, PATATOUKAS G, NIKOLOPOULOS D, PANAYIOTAKIS G, KANDARAKIS I. Modelling the Signal to Noise Ratio in energy integrating radiation detectors. Paper presented at: 1^st IC-EpsMSO LFME; 4-10 July 2005; Athens, Greece. 

154. VALAIS I, KANDARAKIS I, NIKOLOPOULOS D, KARAGIANNIS C, EPISKOPAKIS A, DIMITROPOULOS N, PANAYIOTAKIS G. Experimental determination of luminescence emission properties of LYSO: Ce and CsI: Tl single crystal scintillators under UV and x-ray exposures for use in medical imaging. Paper presented at: 1^st IC-EpsMSO LFME; 4-10 July 2005; Athens, Greece. 

155. VALAIS I, KONSTANTINIDIS A, SALEMIS G, NIKOLOPOULOS D, DIMITROPOULOS N, PANAYIOTAKIS G, KANDARAKIS I. Comparative evaluation of cerium doped Ytrium Aluminum Oxide (YAG, YAP) powder phosphor screens for medical imaging applications. Paper presented at: 1^st IC-EpsMSO LFME; 4-10 July 2005; Athens, Greece. 

156. GONIAS P, BERTSEKAS N, SAATSAKIS G, NIKOLOPOULOS D, LOUDOS G, SAKELIOS N, KARAKATSANIS N, TSANTILAS X, GAITANIS A, PAPASPYROU L, DASKALAKIS A, LIAPARINOS P, KANDARAKIS I, PANAYIOTAKIS G. Validation of a GATE model for the simulation of the Siemens PET scanner. Paper presented at: 2^nd International Conference from Scientific Computing to Computational Engineering, 2^nd IC-SCCE; 5-8 July 2006; Athens Greece.

157. TOUTOUNTZIS A, MICHAIL C, DAVID S, NIKOLOPOULOS D, VALAIS I, DIMITROPOULOS N, PANAYIOTAKIS G.S, CAVOURAS D, KANDARAKIS I. Imaging properties of GdAlO₃ (GAP: Ce) powder scintillator.  Paper presented at: 2^nd International Conference from Scientific Computing to Computational Engineering, 2^nd IC-SCCE; 5-8 July 2006; Athens Greece.

158. KONSTANTINIDIS A., LIAPARINOS P, PATATOUKAS G, VALAIS I, NIKOLOPOULOS D, PANAYIOTAKIS G.S, KANDARAKIS I. The effect of the LSO/YSO concentrations ratio on the imaging characteristics under mammographic conditions. Paper presented at: 2^nd International Conference from Scientific Computing to Computational Engineering, 2^nd IC-SCCE; 5-8 July 2006; Athens Greece.

159. EFTIMIOU N, PATATOUKAS G, NIKOLOPOULOS D, KARATOPIS A, VALAIS I, CAVOUURAS D, KANDARAKIS I.A Computer simulation algorithm in x-ray radiography. Paper presented at: 2^ndInternational Conference from Scientific Computing to Computational Engineering, 2^nd IC-SCCE; 5-8 July 2006; Athens Greece.

160. MICHAIL C, DAVID S, VALAIS I, NIKOLOPOULOS D, LIAPARINOS P, TOUTOUNTZIS A, CAVOURAS D, DIMITROPOULOS N, NOMICOS C, KANDARAKIS I, PANAYIOTAKIS G, Determination of the radiation absorption and light emission properties of Lu₂SiO₅: Ce (LSO) powder phosphor using computational model and experimental techniques. Paper presented at: 2^nd International Conference from Scientific Computing to Computational Engineering, 2^nd IC-SCCE; 5-8 July 2006; Athens Greece.

161.  VALAIS I, DAVID S, MICHAIL C, NIKOLOPOULOS D, VATTIS D, SIANOUDIS I, CAVOURAS D, NOMICOS C, KANDARAKIS I, PANAYIOTAKIS G.S. Comparative study of the Luminescence properties of Lu₂SiO₅ and YAlO₃ single crystal scintillator for use in medical imaging. Paper presented at: 5^thEuropean Symposium on Biomedical Engineering; 7-9 July 2006; Patra Greece. 

162. FOTOPOULOS A, PETRAKI E, VLAMAKIS EM, ARGYRIOU XA, SEVVOS TJ, CHATZISAVVAS NN, ZISOS N, NOMICOS C, LOUIZI A, STONHAM J, YANNAKOPOULOS PH, NIKOLOPOULOS D.Environmental monitoring of soil radon in a very tectonic area in South West Greece. Paper presented at: SENSERA session of the International Scientific Conference eRA -7--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 27- 30 September 2012. Piraeus, Greece. E-proceedings:http://era.teipir.gr/sites/default/files/b.5._sensera.pdf, pages 16-23. Printed proceedings: ISSN-1791-1133.

163. CHATZISAVVAS NN, SEVVOS TJ, VLAMAKIS EM, FOTOPOULOS A, PETRAKI E, ARGYRIOU XA,NIKOLOPOULOS D, YANNAKOPOULOS PH, SKOTTOU S, LOUIZI A, Impact of detector's thickness on imaging characteristics of the Siemens Biograph DUO PET/CT with GATE. Paper presented at: SENSERA session of the International Scientific Conference eRA -7--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 27- 30 September 2012; Piraeus, Greece. E-proceedings:http://era.teipir.gr/sites/default/files/b.5._sensera.pdf, pages 24-35. Printed proceedings: ISSN-1791-1133.

164. ARGYRIOU XA, VLAMAKIS EM, SEVVOS TJ, CHATZISAVVAS NN, EFDAIMON A, VAGENNAS K, YANNAKOPOULOS PH, VALAIS I, KANDARAKIS I,  NIKOLOPOULOS D, Monte Carlo comparison study of the radiation absorption of candidate scintillators Diagnostic Radiology and Nuclear Medicine Applications. Paper presented at: SENSERA session of the International Scientific Conference eRA -7--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 27- 30 September 2012; Piraeus, Greece. E-proceedings: http://era.teipir.gr/sites/default/files/b.5._sensera.pdf, pages 36-40. Printed proceedings: ISSN-1791-1133.

165. VLAMAKIS EM, ARGYRIOU XA, SEVVOS TJ, CHATZISAVVAS NN, FOTOPOULOS A, YANNAKOPOULOS PH, KALYVAS N, VALAIS I, KANDARAKIS I, NIKOLOPOULOS D, Semi-empirical Monte Carlo optical-gain modelling of Nuclear Imaging scintillators. Paper presented at: SENSERA session of the International Scientific Conference eRA -7--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 27- 30 September 2012; Piraeus, Greece. E-proceedings:http://era.teipir.gr/sites/default/files/b.5._sensera.pdf, pages 45-57. Printed proceedings: ISSN-1791-1133.

166.  FOTOPOULOS A, PETRAKI E, VLAMAKIS EM, ARGYRIOU XA, SEVVOS TJ, CHATZISAVVAS NN, ZISOS N, NOMICOS C, LOUIZI A, STONHAM J, YANNAKOPOULOS PH, NIKOLOPOULOS D. Similarities in the self-organised critical characteristics between soil radon and MHz electromagnetic disturbances during a very seismic period in Greece.Paper presented at: SENSERA session of the International Scientific Conference eRA -7--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 27- 30 September 2012; Piraeus, Greece.

167. KALYVAS N, NIKOLOPOULOS D, VALAIS I, SEVVOS T, ARGYRIOU X, KOTTOU S, YANNAKOPOULOS PH, KANDARAKIS I. Optical Gain of Single-Crystal Scintillators for Nuclear Medicine Applications. Paper presented at: BIOMEP 2013, 2^nd International Conference on Biomedical Instrumentation and Related Engineering and Physical Sciences; June 21-22 2013; Aigaleo, Athens, Greece. http://biomep.teiath.gr/2013/docs/BIOMEP%202013%20-%20Programme%20v4.pdf. Accessed 1 November, 2016.

168. KOTTOU S, NIKOLOPOULOS D, LOUIZI A, ARGYRIOU X, SEVVOS T, YANNAKOPOULOS P. Human Beings and Radiation – A Review. Paper presented at: BIOMEP 2013, 2^nd International Conference on Biomedical Instrumentation and Related Engineering and Physical Sciences; June 21-22 2013; Aigaleo, Athens, Greece. http://biomep.teiath.gr/2013/docs/BIOMEP%202013%20-%20Programme%20v4.pdf.Accessed 1 November, 2016.

169. CHATZISAVVAS N, ARGYRIOU X, SEVVOS T,  NIKOLOPOULOS D, VALAIS I, KALYVAS N, MICHAIL C, KOTTOU S, YANNAKOPOULOS P, KANDARAKIS I. GATE Simulation of the Biograph 2 PET/CT. Paper presented at: BIOMEP 2013, 2^nd International Conference on Biomedical Instrumentation and Related Engineering and Physical Sciences; June 21-22 2013; Aigaleo, Athens, Greece.http://biomep.teiath.gr/2013/docs/BIOMEP%202013%20-%20Programme%20v4.pdf. Accessed 1 November, 2016.

170. ARGYRIOU X, VLAMAKIS E, SEVVOS T, NIKOLOPOULOS D, YANNAKOPOULOS PH, KALYVAS N, VALAIS I, NIKOLOPOULOS D, VLAMAKIS E, CHATZISAVVAS N, YANNAKOPOULOS PH, ARGYRIOY X, PETRAKI E, KOTTOU S, SEVVOS T, TEMENOS N, CHALDEOS Y, FILTISAKOS S, GORGOLIS N, POTOZI S, KOULOUGLIOTIS D, ZISOS A. Study of the response of open CR-39 detector to radon and progeny by Monte Carlo simulation with SRIM 2013. Paper presented at: SENSERA session of the International Scientific Conference eRA-8--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25 September 2013; Piraeus, Greece. E-proceedings:http://era.teipir.gr/sites/default/files/thalissession.pdf, pages 1-11. Printed proceedings: ISSN-1791-1133. 

171. NIKOLOPOULOS D, CHATZISAVVAS N, VLAMAKIS E, ARGYRIOY X, SEVVOS T, YANNAKOPOULOS PH, PETRAKI E, TEMENOS N, CHALDEOS Y, FILTISAKOS S, GORGOLIS N, POTOZI S, KOULOUGLIOTIS D, KOTTOU S, ZISOS A. Long-term estimation of radon's equilibrium factor and radon progeny unattached fraction with SSNTDs through measurements and Monte-Carlo modeling.Paper presented at: SENSERA session of the International Scientific Conference eRA-8--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25 September 2013; Piraeus, Greece. E-proceedings: http://era.teipir.gr/sites/default/files/thalissession.pdf, pages 12-23. Printed proceedings:ISSN-1791-1133.

172. NIKOLOPOULOS D, PETRAKI E, KOULOUGLIOTIS D, KOTTOU S, LOUIZI A, YANNAKOPOULOS PH, VIOGIANNIS E, FILTISAKOS S, GORGOLIS N, ARGYRIOY X, SEVVOS T, TEMENOS N, CHALDEOS Y, POTOZI S, KEFALAS G, LORILLA RS, CHATZISAVVAS N, ZISOS A. Human radiation risk of due to radon and progeny: results from extended active measurements in Attica (Greece).Paper presented at: SENSERA session of the International Scientific Conference eRA-8-The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25 September 2013; Piraeus, Greece. E-proceedings:http://era.teipir.gr/sites/default/files/thalissession.pdf, pages 24-38. Printed proceedings: ISSN-1791-1133.

173. NIKOLOPOULOS D, PETRAKI E, LOUIZI A, SEVVOS T, CHALDEOS Y, ARGYRIOY X, FILTISAKOS S, GORGOLIS N, TEMENOS N, KEFALAS G, LORILLA RS, POTOZI S, CHATZISAVVAS N, KOULOUGLIOTIS D, KOTTOU S, YANNAKOPOULOS PH, ZISOS A. Factors affecting indoor radon and progeny concentration variations in Attica (Greece).Paper presented at: SENSERA session of the International Scientific Conference eRA-8--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25 September 2013; Piraeus, Greece. E-proceedings:http://era.teipir.gr/sites/default/files/thalissession.pdf, pages 39-43. Printed proceedings: ISSN-1791-1133.

174. NIKOLOPOULOS D, KOTTOU S, LOUIZI A, PETRAKI E, CHALDEOS Y, TEMENOS N, FOTOPOULOS A, YANNAKOPOULOS PH, ZISOS A. Multivariate statistical analysis of factors affecting mean annual indoor radon concentrations in Greece.Paper presented at: SENSERA session of the International Scientific Conference eRA-8-The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25September 2013; Piraeus, Greece. E-proceedings: http://era.teipir.gr/sites/default/files/thalissession.pdf,pages 44-63. Printed proceedings: ISSN-1791-1133.

175. NIKOLOPOULOS D, YANNAKOPOULOS PH, PETRAKI E, KOTTOU S, LOUIZI A, GORGOLIS N, ARGYRIOY X, POTOZI S, SEVVOS T, KOULOUGLIOTIS D, VIOGIANNIS E, ZISOS I, KEFALAS G, LORILLA RS, ZISOS A. Preliminary study of distribution of background EMR in Greek apartment dwellings. Paper presented at: SENSERA session of the International Scientific Conference eRA-8-The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25 September 2013; Piraeus, Greece. E-proceedings: http://era.teipir.gr/sites/default/files/thalissession.pdf, pages 64-90. Printed proceedings:ISSN-1791-1133.

176. PANAGIOTARAS D, NIKOLOPOULOS D, KOULOUGLIOTIS D, PETRAKI E, ZISOS A, VIOGIANNIS E, KAPLANIS E, YANNOPOULOS A, BAKALIS A, ZISOS A. Indoor Air Quality Assessment: Review on the topic of VOCs. Paper presented at: SENSERA session of the International Scientific Conference eRA-8--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25 September 2013; Piraeus, Greece. E-proceedings: http://era.teipir.gr/sites/default/files/thalissession.pdf, pages 91-101. Printed proceedings: ISSN-1791-1133.

177. KOTTOU S, NIKOLOPOULOS D, PETRAKI E, KOULOUGLIOTIS D, YANNAKOPOULOS PH, LOUIZI A, ZISOS A. Human radiation risk – a review. Paper presented at: SENSERA session of the International Scientific Conference eRA -8--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25September 2013; Piraeus, Greece. E-proceedings: http://era.teipir.gr/sites/default/files/thalissession.pdf,pages 102-121. Printed proceedings: ISSN-1791-1133.

178. NIKOLOPOULOS D, CHATZISAVVAS N, VALAIS I, MICHAIL C, ARGYRIOU X, SEVVOS T, KALYVAS N, KOTTOU S, YANNAKOPOULOS P, KANDARAKIS I. GATE Simulation of the Biograph 2 PET/CT Scanner. Paper presented at: SENSERA session of the International Scientific Conference eRA-8--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25 September 2013; Piraeus, Greece. E-proceedings: http://era.teipir.gr/sites/default/files/thalissession.pdf, pages 122-134. Printed proceedings:ISSN-1791-1133.

179. NIKOLOPOULOS D, PETRAKI E, VIOGIANNIS E, CHALDEOS Y, FILTISAKOS S, YANNAKOPOULOS PH, KOTTOU S, NOMICOS C, STONHAM J. Self-organization and long-memory features in variations of environmental radon in soil: results from Lesvos Island and Ileia (Greece). Paper presented at: THALIS/SENSERA session of the International Scientific Conference eRA-8--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25 September 2013; Piraeus, Greece. Printed proceedings: ISSN-1791-1133.

180. PETRAKI E, NIKOLOPOULOS D, FILTISAKOS S, CHALDEOS Y, YANNAKOPOULOS PH, KOTTOU S, NOMICOS C, STONHAM J. Evolution of EM-signals prior to earthquakes in terms of fractality, entropy and long-memory. Paper presented at: THALIS/SENSERA session of the International Scientific Conference eRA-8--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25 September 2013; Piraeus, Greece. Printed proceedings: ISSN-1791-1133.

181. PETRAKI E, NIKOLOPOULOS D, FILTISAKOS S, CHALDEOS Y, YANNAKOPOULOS PH, KOTTOU S, NOMICOS C, STONHAM J. Similarities in pre-earthquake critical behaviour of soil radon variation and electromagnetic disturbances of MHz-range. Paper presented at: THALIS/SENSERA session of the International Scientific Conference eRA-8--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25 September 2013; Piraeus, Greece. Printed proceedings: ISSN-1791-1133.

182. NIKOLOPOULOS D, VIOGIANNIS E, PETRAKI E, KOTTOU S, YANNAKOPOULOS PH. Dosimetry modelling of radon and progeny concentration peaks in thermal spas: results from measurements in Ikaria, Greece.Paper presented at: THALIS/SENSERA session of the International Scientific Conference eRA-8--The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education; 23-25 September 2013; Piraeus, Greece. Printed proceedings: ISSN-1791-1133.

183. KOTTOU S,  NIKOLOPOULOS D, PETRAKI E, BHATTACHARAYYA D, KIRBY P,BERBERASVILI T, CHAKHVASHVILI L, KERVALISHVILI P, YANNAKOPOULOS PH. Monte-Carlo modelling and experimental study of radon and progeny radiation detectors for open environment. Paper presented at:13^th International Conference on Clean Energy (ICCE-2014); June 8-12 2014; Istanbul, Turkey.http://www.milesecure2050.eu/events/en/2013/09/25/readabout/international-conference-on-clean-energy-2014-icce-istanbul-turkey. Accessed 2 November 2016.

184. KOTTOU S, NIKOLOPOULOS D, SEVVOS T, YANNAKOPOULOS PH, PETRAKI E, YANNAKOPOULOS I, BHATTACHARAYYA D. Modelling the efficiency of SSNT Detectors for long -term radon radiation dosimetry, through in-situ measurements and Monte-Carlo techniques. Paper presented at: RPM 2014, 2^nd International conference on radiation protection in medicine; 30 March-02 June 2016;Varna, Bulgaria. E-poster. http://rpm2014.org/. Accessed 2 November 2016.

185. NIKOLOPOULOS D, KOTTOU S, PETRAKI E, VOGIANNIS E, MICHAIL C, LOUIZI A. CHALDEOS Y,YANNAKOPOULOS PH. Multivariate statistical analysis of factors related to mean annual indoor radon concentrations of Greek dwellings. Paper presented at: 8^th European Conference on Medical Physics (ECMP2014); September 11-13 2014; Athens, Greece.

186. NIKOLOPOULOS D, VALAIS I, MICHAIL C, KOTTOU S, CHATZISAVVAS N, YANNAKOPOULOS P.H, MALAXIANAKIS V. Modelling Biograph 2 PET/CT Scanner with GATE. Paper presented at: 8^thEuropean Conference on Medical Physics (ECMP2014); September 11-13 2014; Athens, Greece.

187. NIKOLOPOULOS D, VOGIANNIS E, KOTTOU S, PETRAKI E, MICHAIL C, LOUIZI A. CHALDEOS Y,YANNAKOPOULOS P.H. Modeling of radon and progeny concentration peaks in thermal spas: results from the semi-empirical approach from several spas in Greece.Paper presented at: 8^th European Conference on Medical Physics (ECMP2014); September 11-13 2014; Athens, Greece.

188. VOGIANNIS E, NIKOLOPOULOS D, KOUKOU M, KOTTOU S, VRACHOPOULOS M. Radon entrance and its daily movement into a closed detached of two level house. Paper presented at: 8^th European Conference on Medical Physics (ECMP2014); September 11-13 2014; Athens, Greece.

189. KOTTOU S, NIKOLOPOULOS D, KOULOUGLIOTIS D, POULIEZOS K, VOGIANNIS E, GORGOLIS N, LORILIA R.S, KEFALAS G, POTOZI S, CHALDEOS Y, SEVVOS T, PETRAKI E, MICHAIL C, MOUSTANIS P, KALIMERIS A, YANNAKOPOULOS PH. Preliminary study of distribution of indoor EMR in Greek dwellings. Paper presented at: 8^th European Conference on Medical Physics (ECMP2014); September 11-13 2014; Athens, Greece.

190. TEMENOS N, FILTISAKOS S, CHALDEOS Y, NIKOLOPOULOS D, YANNAKOPOULOS PH, PETRAKI E, KOTTOU S. Hurst exponent of radon profiles indoors in Athens, Greece. Paper presented at: 8^thEuropean Conference on Medical Physics (ECMP2014); September 11-13 2014; Athens, Greece.

191. KOLOVOS C, PETROPOULOS C, TALAVARI A, FOTOPOULOS A, 
     KANTZOS D, YANNAKOPOULOS P, NIKOLOPOULOS D A multi-touch smartphone application for guitar simulation. International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece. http://era.teipir.gr/sites/default/files/ict_ii_session_0.pdf.

192. KARATHANOU K, FOTOPOULOS A.A, PAPATHANASIOU A, NIKOLOPOULOS D, GIANNAKOPOULOS I.P. An analysis based on Discrete Wavelet Transform of two dimensional gel electrophoresis images with application in proteomics, International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece.http://era.teipir.gr/sites/default/files/ict_ii_session_0.pdf.

193. KARATHANOU K, FOTOPOULOS A.A, PAPATHANASIOU A, NIKOLOPOULOS D, YANNAKOPOULOS PH. An efficient random number generator based on real time web-trafficking data International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece.http://era.teipir.gr/sites/default/files/ict_ii_session_0.pdf.

194. SAPIKAS D, KOLOVOS C, PETROPOULOS C, TALAVARI A, FOTOPOULOS A, OIKONOMOU G,NIKOLOPOULOS D An electronic repository for the theses of ΤEIs students International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece.http://era.teipir.gr/sites/default/files/ict_ii_session_0.pdf.

195. NIKOLOPOULOS D, KOTTOU S, KOULOUGLIOTIS D, VOGIANNIS E, PETRAKI E,GIANNAKOPOULOS IP, GORGOLIS N, KEFALAS G, POTOZI S, LORILLIA RS, TEMENOS N, TSELES D. Background EMR measurements in Zante and Lesvos islands, Greece, International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece.http://era.teipir.gr/sites/default/files/engineering_i_session_0.pdf.

196. TEMENOS N, NIKOLOPOULOS D, VOGIANNIS E, PETRAKI E, KOTTOU S, YANNAKOPOULOS PH., Modelling indoor air pollutants with ContamW International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014 , Piraeus, Greece.http://era.teipir.gr/sites/default/files/ict_ii_session_0.pdf.

197. NIKOLOPOULOS D, CHALDEOS Y, PETRAKI E, KOTTOU S, TEMENOS N, FILTISAKOS S, LOUIZI A, TSELES D, YANNALOPOULOS PH. Hurst exponent of radon profiles indoors in Athens, Greece,International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014,Piraeus, Greece. http://era.teipir.gr/sites/default/files/ict_ii_session_0.pdf.

198. KARATHANOU K, FOTOPOULOS A.A, PAPATHANASIOU A, NIKOLOPOULOS D, Data mining tool for Chronic Kidney Diseases information extraction, International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece.http://era.teipir.gr/sites/default/files/ict_ii_session_0.pdf.

199. NIKOLOPOULOS D, PETRAKI E, CANTZOS D, COULOURAS G., NOMICOS C, Spectral fractal analysis of MHz electromagnetic signals, Science in Technology, Hellenic Research Foundation November 5-7, 2015, Athens, Greece. http://www.scinte.gr/proceedings/VOLUME_1_SCINTE.pdf.

     ABSTRACTS IN INTERNATIONAL PEER-REVIEWED CONGRESSES

200. NIKOLOPOULOS D. Design and implementation of the Medical Physics Department radon survey-Experience gained. Paper presented at: 1^st Southeastern - European Regional Radon Workshop; 3-5 April 1997; Athens. (pp.18). 

201. ANTONOPOULOS A, NIKOLOPOULOS D, GEORGIOU E, KYRIAKIDIS M, TOUTOYZAS P, PROUKAKIS C. Comparison between Tl-201 scintigraphic results caused by phenylephrine infusion, with coronary angiography in coronary artery disease patients. Paper presented at: 5th World Congress on Heart Failure- Mechanisms and Management; May 11-14 1997; Washington DC, USA. 

202. PAPADIMITRIOU D, MAKRI T, LOUIZI A, NIKOLOPOULOS D, LOBOTESI H, THEODOROPOULOS B, MALAMITSI J, PROUKAKIS C. Organ doses for children from computed tomographic examinations in Greece. Paper presented at: 35^th Congress of the European Society of Pediatric Radiology; 18-23 May1998; Rhodes, Hellas. (Abstract No 42).

203. PAPADIMITRIOU D, LOUIZI A, MAKRI T, MOLFETAS M, NIKOLOPOULOS D, LOBOTESI H. Dosimetry in children's CT examinations using TLD. Paper presented at: 35^th Congress of the European Society of Pediatric Radiology; 18-23 May 1998; Rhodes, Hellas. (Abstract No 43). 

204. MAKRI T, LOUIZI A, PAPADIMITRIOU D, LOBOTESI H, NIKOLOPOULOS D, MALAMITSI J, NASSI E, PROUKAKIS C. Estimation of the effective dose from dose-area product (DAP) meter measurements, for four common examinations in pediatric radiology. Paper presented at: 35^th Congress of the European Society of Pediatric Radiology; 18-23 May 1998; Rhodes Hellas. (Abstract No 44). 

205. NIKOLOPOULOS D, LIAPARINOS P, PANAYIOTAKIS G., CAVOURAS D KANDARAKIS I. Radiation detection efficiency of YAP, LSO, GOS scintillators: a comparative evaluation by Monte-Carlo methods. Paper presented at: International Conference on Applied Physics; October 13-18 2003; Badajoz, Spain. 

206. KANDARAKIS I, NIKOLOPOULOS D, EPISKOPAKIS A, CAVOURAS D, KOURKOUTAS K, SIANOUDIS I, KALIVAS N, PANAYIOTAKIS GS. Modeling angular distribution of light emission in granular scintillators used in x-ray imaging detectors. Paper presented at: International Conference on Applied Physics; October 13-18 2003; Badajoz, Spain.

207. VOGIANNIS E, NIKOLOPOULOS D, LOUIZI A, NIAOUNAKIS M. Radon exposure in the thermal spas of Lesvos Island - Greece. Paper presented at: International Conference on Applied Physics; October 13-18 2003; Badajoz, Spain. 

208. NIKOLOPOULOS D, LOUIZI A, LIGNOS L, LIOLIOUSIS K. Radon Risk near high power lines. Paper presented at: International Conference on Applied Physics; October 13-18 2003; Badajoz, Spain. 

209. LOUIZI A, NIKOLOPOULOS D, TZORTZI A, VOGIANNIS E, KOUKOULIOU V, THANASSAS D, SEREFOGLOU A, GEORGIOU E. Radon concentration measurements in waters in Greece and Cyprus. Paper presented at: European Conference on Protection Against Radon at Home and at Work' June 29-July 6 2004; Praha, Czech Republic. 

210. NIKOLOPOULOS D, LOUIZI A, VOGIANNIS E, CHALVADAKIS C.P, SEREFOGLOU A, GEORGIOU E. Radon exposure during treatment in some thermal spa centers in Greece. Paper presented at: European Conference on Protection Against Radon at Home and at Work June 29-July 6 2004; Praha, Czech Republic. 

211. NIKOLOPOULOS D, LOUIZI A, LIGNOS L, VOGIANNIS E, LIOLIOUSIS K, GEOGRIOU E. Radon daughter and electromagnetic field measurements in dwellings near high voltage power lines. Paper presented at: European Conference on Protection Against Radon at Home and at Work June 29-July 6 2004; Praha, Czech Republic.

212. LIAPARINOS P, CAVOURAS C, NIKOLOPOULOS D, KANDARAKIS I, PANAYIOTAKIS G.S. Monte Carlo Study on Imaging Parameters of Gd₂O₂S Scintillator for Mammographic Applications. Paper presented at: 1^st International Conference “From scientific computing to computational engineering”, IC-SCCE; 8-10 September 2004; Athens, Greece.

213. CHRISTOFAKIS E, FILLIPOU K, PITSIOS N, VALAIS I, SIANOUDIS I, NIKOLOPOULOS D, PANAYIOTAKIS G, KANDARAKIS I. Experimental determination of single-crystal scintillators properties by application of the integration sphere photometry method. Paper presented at: 1^st IC-EpsMSO LFME; 4-10 July 2005; Athens, Greece. 

214. KONSTANTINIDIS A, EPISKOPAKIS A, PIROVOLAKIS I VALAIS I, PATATOUKAS G, NIKOLOPOULOS D, PANAYIOTAKIS G, KANDARAKIS I. Modelling the Signal to Noise Ratio in energy integrating radiation detectors. Paper presented at: 1^st IC-EpsMSO LFME; 4-10 July 2005; Athens, Greece.

215. VALAIS I, KANDARAKIS I, NIKOLOPOULOS D, KARAGIANNIS C, EPISKOPAKIS A, DIMITROPOULOS N, PANAYIOTAKIS G. Experimental determination of luminescence emission properties of LYSO: Ce and CsI: Tl single crystal scintillators under UV and x-ray exposures for use in medical imaging. Paper presented at: 1^st IC-EpsMSO LFME; 4-10 July 2005; Athens, Greece.

216. VALAIS I, KONSTANTINIDIS A, SALEMIS G, NIKOLOPOULOS D, DIMITROPOULOS N, PANAYIOTAKIS G, KANDARAKIS I. Comparative evaluation of cerium doped Ytrium Aluminum Oxide (YAG, YAP) powder phosphor screens for medical imaging applications. Paper presented at: 1^st IC-EpsMSO LFME; 4-10 July 2005; Athens, Greece.

217. VALAIS I, KONSTANTINIDIS A, NIKOLOPOULOS D, SIANOUDIS I, LOUDOS G, GIOKARIS G, NIKITA K, CAVOURAS D, DIMITROPOULOS N, NOMICOS C, PANAYIOTAKIS G, KANDARAKIS I. Luminescence properties of LuYSiO5: Ce, Gd₂SiO₅: Ce, and CsI: Tl single crystal scintillators under x-ray excitation, for use in medical imaging systems. Paper presented at : IEEE Conference 2005; October 23 - 29 2005; Puerto Rico. 

218. NIKOLOPOULOS D, KANDARAKIS I, TSANTILAS X, VALAIS I, CAVOURAS D, LOUIZI A. Comparative study of the Radiation Detection efficiency of LSO, LuAP, GSO and YAP scintillators for use in PositronEmission Imaging (PET) via Monte-Carlo Methods. Paper presented at: 3^rd International Conference on Imaging Technologies in Biomedical Sciences: ITBS 2005; 25-28 September 2005; Milos Island. Greece. (Abstract 123). 

219. KARAKATSANIS N, SAKELLIOS N, TSANTILAS X, DIKAIOS N, TSOUMPRAS C, NIKITA K, LAZAROS D, LOUDOS G, LOUIZI A, VALAIS I, NIKOLOPOULOS D, MALAMITSI J, KANDARAKIS I. A comparative evaluation of two commercial PET scanners using GATE. Paper presented at: 3^rdInternational Conference on Imaging Technologies in Biomedical Sciences: ITBS 2005; 25-28 September 2005; Milos Island ,Greece. (Abstract 110). 

220. NIKOLOPOULOS D, LINARDATOS D, GONIAS P, BERTSEKAS N, MICHAIL C, DAVID S, CAVOURAS D, PANAYIOTAKIS G, KANDARAKIS I. Monte Carlo validation in the diagnostic radiology conditions. Paper presented at: 1^st European Conference on Molecular Imaging Technology; 9-12 May 2006; Marseille, France.

221. GONIAS P, BERTSEKAS N, SAATSAKIS G, NIKOLOPOULOS D, LOUDOS G, SAKELIOS N, KARAKATSANIS N, GAITANIS A, PAPASPYROU L, DASKALAKIS A, LIAPARINOS P, KANDARAKIS I, PANAYIOTAKIS G. Validation of a GATE model for the simulation of the Siemens. Poster presented at: 1^st European Conference on Molecular Imaging Technology; 9-12 May 2006; Marseille, France.

222. VALAIS I, NIKOLOPOULOS D, KALIVAS N, GAITANIS A, LOUDOS G, SIANOUDIS I, GIOKARIS D, CAVOURAS D, DIMITROPOULOS N, NOMICOS C, KANDARAKIS I, PANAYIOTAKIS G.S. A systematic study of the performance of the CsI: Tl single crystal scintillator under x-ray excitation. Poster presentedat: 1^st European Conference on Molecular Imaging Technology; 9-12 May 2006; Marseille, France.

223. DAVID S, MICHAIL C, VALAIS I, NIKOLOPOULOS D, LIAPARINOS P, KALIVAS N, EFTIMIOU N, TOUTOUNTZIS A, LOUDOS G, SIANOUDIS I, CAVOURAS D, NOMICOS C, KANDARAKIS I. Efficiency of Lu₂SiO₅: Ce (LSO) powder phosphor as X-ray to light converter under mammographic imaging conditions. Poster presented at: 1^st European Conference on Molecular Imaging Technology; 9-12 May 2006; Marseille, France. 

224. EFTIMIOU N, KALIVAS N, KONSTANTINIDIS A, VALAIS I, NIKOLOPOULOS D, GAITANIS A, DAVID S, MICHAIL C, LOUDOS G, CAVOURAS D, KOURKOUTAS K, PANAYIOTAKIS G.S, KANDARAKIS I. Investigation of the effect of the scintillator material on the overall X-ray detection system performance by application of analytical models Poster presented at: 1^st European Conference on Molecular Imaging Technology; 9-12 May 2006; Marseille, France.

225. GONIAS P, BERTSEKAS N, SAATSAKIS G, NIKOLOPOULOS D, LOUDOS G, SAKELIOS N, KARAKATSANIS N, TSANTILAS X, GAITANIS A, PAPASPYROU L, DASKALAKIS A, LIAPARINOS P, KANDARAKIS I, PANAYIOTAKIS G. Validation of a GATE model for the simulation of the Siemens PET scanner. Paper presented at: 2^nd International Conference from Scientific Computing to Computational Engineering, 2^nd IC-SCCE; 5-8 July 2006; Athens Greece.

226. TOUTOUNTZIS A, MICHAIL C, DAVID S, NIKOLOPOULOS D, VALAIS I, DIMITROPOULOS N, PANAYIOTAKIS G.S, CAVOURAS D, KANDARAKIS I. Imaging properties of GdAlO₃ (GAP: Ce) powder scintillator. Paper presented at: 2^nd International Conference from Scientific Computing to Computational Engineering, 2^nd IC-SCCE; 5-8 July 2006; Athens Greece.

227. KONSTANTINIDIS A., LIAPARINOS P, PATATOUKAS G, VALAIS I, NIKOLOPOULOS D, PANAYIOTAKIS G.S, KANDARAKIS I. The effect of the LSO/YSO concentrations ratio on the imaging characteristics under mammographic condition. Paper presented at: 2^nd International Conference from Scientific Computing to Computational Engineering, 2^nd IC-SCCE; 5-8 July 2006; Athens Greece.

228. EFTΗIMIOU N, PATATOUKAS G, NIKOLOPOULOS D, KARATOPIS A, VALAIS I, CAVOUURAS D, KANDARAKIS I. A Computer simulation algorithm in x-ray radiograph. Paper presented at: 2^ndInternational Conference from Scientific Computing to Computational Engineering, 2^nd IC-SCCE; 5-8 July 2006; Athens Greece.

229. MICHAIL C, DAVID S, VALAIS I, NIKOLOPOULOS D, LIAPARINOS P, TOUTOUNTZIS A, CAVOURAS D, DIMITROPOULOS N, NOMICOS C, KANDARAKIS I, PANAYIOTAKIS G, Determination of the radiation absorption and light emission properties of Lu₂SiO₅: Ce (LSO) powder phosphor using computational model and experimental techniques. Paper presented at: 2^nd International Conference from Scientific Computing to Computational Engineering, 2^nd IC-SCCE; 5-8 July 2006; Athens Greece.

230. MICHAIL C, DAVID S, LIAPARINOS P, VALAIS I, NIKOLOPOULOS D, KALIVAS N, TOUTOUNTZIS A, SIANOUDIS I, CAVOURAS D, DIMITROPOULOS N, NOMICOS C, KOURKOUTAS K, KANDARAKIS I, PANAYIOTAKIS G. Evaluation of the imaging performance of LSO powder scintillator for use in X-ray mammography. Paper presented at: 10^th International Symposium on Radiation Physics (ISRP-10); 17-22 September 2006; Coimbra, Portugal.

231. VALAIS I, DAVID S, MICHAIL C, NIKOLOPOULOS D, VATTIS D, SIANOUDIS I, CAVOURAS D, NOMICOS C, KANDARAKIS I, PANAYIOTAKIS G.S. Comparative study of the luminescence properties of Lu₂SiO₅ and YAlO₃ single crystal scintillator for use in medical imaging. Paper presented at: 5^thEuropean Symposium on Biomedical Engineering; 7-9 July 2006; Patra, Greece.

232. VALAIS I, KONSTANTINIDIS A, NIKOLOPOULOS D, SIANOUDIS I, LOUDOS G, NIKITA K, CAVOURAS D, DIMITROPOULOS N, NOMICOS C, PANAYIOTAKIS G.S, KANDARAKIS I. Investigation of the Luminescence Emission Properties of (Lu, Y) ₂SiO₅: Ce (LYSO: Ce) and (Lu, Y) AlO₃: Ce (LuYAP: Ce) Single Crystal Scintillators under X-Ray Medical Imaging Exposure Conditions. Paper presented at: IEEE Conference 2006; 29 October-4 November 2006; San Diego, USA. 

233. DAVID S, MICHAIL C, VALAIS I, NIKOLOPOULOS D, KALIVAS N, KALATZIS I, KARATOPIS A, CAVOURAS D, PANAYIOTAKIS GS, KANDARAKIS I. Luminescence efficiency of Lu₂SiO₅: Ce (LSO) powder scintillator for X-ray medical radiography applications Paper presented at: IEEE Conference 2006; 29 October-4 November 2006; San Diego, USA.

234. NIKOLOPOULOS D, VOGIANNIS E, LOUIZI A. Soil radon and electromagnetic anomalies before the Ileia (Greece) M6.8 earthquake. Geophysical Research Abstracts, EGU 2009; 3785.

235. NIKOLOPOULOS D, VOGIANNIS E, LOUIZI A. Radon concentration of waters in Greece and Cyprus. Geophysical Research Abstracts, EGU, 2009; 3786.

236. POTIRAKIS S, NIKOLOPOULOS D, PETRAKI E, MYSTAKIDES I, FOTOPOULOS A, ARGYRIOU X, VLAMAKIS EM, STONHAM J, Investigating the possible relation of electromagnetic signals in the upper VHF and lower UHF bands to earthquakes in Greece. Geophysical Research Abstracts, EGU 2011, 4893.

237. PETRAKI E, NIKOLOPOULOS D, POTIRAKIS SM, MYSTAKIDES I, VLAMAKIS EM, ARGYRIOU X, FOTOPOULOS A, LOUIZI A, STONHAM J, Soil radon as a possible link to earthquake occurrence in Greece, Geophysical Research Abstracts, EGU 2011, 4929. 

238. FOTOPOULOS A, PETRAKI E, VLAMAKIS EM, ARGYRIOU XA, SEVVOS TJ, CHATZISAVVAS NN, ZISOS N, NOMICOS C, LOUIZI A, STONHAM J, YANNAKOPOULOS PH, NIKOLOPOULOS D.Environmental monitoring of soil radon in a very tectonic area in South West Greece, International Scientific Conference eRA -7,The SynEnergy Forum, The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education, T.E.I. of Piraeus (T.E.I. PIR),Conference Center of T.E.I. PIRAEUS, Piraeus, Greece, 27- 30 September 2012, Piraeus, Greece.

239. CHATZISAVVAS NN, SEVVOS TJ, VLAMAKIS EM, FOTOPOULOS A, PETRAKI E, ARGYRIOU XA,NIKOLOPOULOS D, YANNAKOPOULOS PH, SKOTTOU S, LOUIZI A. Impact of detector's thickness on imaging characteristics of the Siemens Biograph DUO PET/CT with GATE. eRA -7,The SynEnergy Forum, The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education, T.E.I. of Piraeus (T.E.I. PIR),Conference Center of T.E.I. PIRAEUS, Piraeus, Greece, 27- 30 September 2012, Piraeus, Greece.

240. ARGYRIOU XA, VLAMAKIS EM, SEVVOS TJ, CHATZISAVVAS NN, EFDAIMON A, VAGENNAS K, YANNAKOPOULOS PH, VALAIS I, KANDARAKIS I,  NIKOLOPOULOS D, Monte Carlo comparison study of the radiation absorption of candidate scintillators Diagnostic Radiology and Nuclear Medicine Applications. eRA -7,The SynEnergy Forum, The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education, T.E.I. of Piraeus (T.E.I. PIR),Conference Center of T.E.I. PIRAEUS, Piraeus, Greece, 27- 30 September 2012, Piraeus, Greece.

241. VLAMAKIS EM, ARGYRIOU XA, SEVVOS TJ, CHATZISAVVAS NN, FOTOPOULOS A, YANNAKOPOULOS PH, KALYVAS N, VALAIS I, KANDARAKIS I, NIKOLOPOULOS D, Semi-empirical Monte Carlo optical-gain modelling of Nuclear Imaging scintillators.eRA -7,The SynEnergy Forum, The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education, T.E.I. of Piraeus (T.E.I. PIR),Conference Center of T.E.I. PIRAEUS, Piraeus, Greece, 27- 30 September 2012, Piraeus, Greece.

242. FOTOPOULOS A, PETRAKI E, VLAMAKIS EM, ARGYRIOU XA, SEVVOS TJ, CHATZISAVVAS NN, ZISOS N, NOMICOS C, LOUIZI A, STONHAM J, YANNAKOPOULOS PH, NIKOLOPOULOS D.Similarities in the self-organised critical characteristics between soil ran in a very tectonic area in South West Greece, International Scientific Conference eRA -7,The SynEnergy Forum, The Conference for International Synergy in Energy, Environment, Tourism and contribution of Information Technology in Science, Economy, Society and Education, T.E.I. of Piraeus (T.E.I. PIR),Conference Center of T.E.I. PIRAEUS, Piraeus, Greece, 27- 30 September 2012, Piraeus, Greece.

243. KALYVAS N, NIKOLOPOULOS D, VALAIS I, SEVVOS T, ARGYRIOU X, KOTTOU S,YANNAKOPOULOS P, KANDARAKIS I. Optical Gain of Single-Crystal Scintillators for Nuclear Medicine Applications, 2nd International Conference on Bio-Medical Instrumentation and related Engineering and Physical Sciences, Technological Educational Institute (TEI) of Athens, Greece, Friday 21 & Saturday 22, June 2013, Athens, Greece. Book of Abstracts, FS1-4, http://biomep.teiath.gr/2013/proceedings.html.

244.  KOTTOU S, NIKOLOPOULOS D, PETRAKI E, LOUIZI A, ARGYRIOU X, SEVVOS T,YANNAKOPOULOS P, Human Beings and Radiation – A Review, 2nd International Conference on Bio-Medical Instrumentation and related Engineering and Physical Sciences, Technological Educational Institute (TEI) of Athens, Greece, Friday 21 & Saturday 22, June 2013, Athens, Greece. Book of Abstracts, FS3-3, http://biomep.teiath.gr/2013/proceedings.html

245. CHATZISAVVAS N, ARGYRIOU X, SEVVOS T, NIKOLOPOULOS D, VALAIS I, KALYVAS N, MICHAIL C, KOTTOU C, YANNAKOPOULOS P, GAITANIS A, KANDARAKIS I. GATE Simulation of the Biograph 2 PET/CT Scanner, 2nd International Conference on Bio-Medical Instrumentation and related Engineering and Physical Sciences, Technological Educational Institute (TEI) of Athens Friday 21 & Saturday 22, June 2013, Athens, Greece. Book of Abstracts, FS3-3, http://biomep.teiath.gr/2013/proceedings.html

246.  NIKOLOPOULOS D, KOTTOU S, PETRAKI E, VOGIANNIS E, MICHAIL C, LOUIZI A CHALDEOS Y,YANNAKOPOULOS PH. Multivariate statistical analysis of factors related to mean annual indoor radon concentrations of Greek dwellings, 8th European Conference on Medical Physics (ECMP2014) September 11-13, 2014, Athens, Greece. Book of Abstracts p16-17. http://www.elsevierdigital.com/ECMP2014/files/assets/common/downloads/ECMP%202014%20Abstract%20Book.pdf.

247. NIKOLOPOULOS D, VALAIS I, MICHAIL C, KOTTOU S, CHATZISAVVAS N, YANNAKOPOULOS PH, MALAXIANAKIS V. Modelling Biograph 2 PET/CT Scanner with GATE, 8th European Conference on Medical Physics (ECMP2014) September 11-13, 2014, Athens, Greece. Book of Abstracts p20. http://www.elsevierdigital.com/ECMP2014/files/assets/common/downloads/ECMP%202014%20Abstract%20Book.pdf.

248. NIKOLOPOULOS D, VOGIANNIS E, KOTTOU S, PETRAKI E, MICHAIL C, LOUIZI A. CHALDEOS Y,YANNAKOPOULOS P.H. Modeling of radon and progeny concentration peaks in thermal spas: results from the semi-empirical approach from several spas in Greece, 8th European Conference on Medical Physics (ECMP2014) September 11-13, 2014, Athens, Greece. Book of Abstracts p17. http://www.elsevierdigital.com/ECMP2014/files/assets/common/downloads/ECMP%202014%20Abstract%20Book.pdf.

249.  VOGIANNIS E, NIKOLOPOULOS D, KOUKOU M, KOTTOU S, VRACHOPOULOS M. Radon entrance and its daily movement into a closed detached of two level house, 8th European Conference on Medical Physics (ECMP2014) September 11-13, 2014, Athens, Greece. Book of Abstracts p17. http://www.elsevierdigital.com/ECMP2014/files/assets/common/downloads/ECMP%202014%20Abstract%20Book.pdf.

250.  KOTTOU S, NIKOLOPOULOS D, KOULOUGLIOTIS D, POULIEZOS K, VOGIANNIS E, GORGOLIS N, LORILIA R.S, KEFALAS G, POTOZI S, CHALDEOS Y, SEVVOS T, PETRAKI E, MICHAIL C, MOUSTANIS P, KALIMERIS A, YANNAKOPOULOS PH. Preliminary study of distribution of indoor EMR in Greek dwellings, 8th European Conference on Medical Physics (ECMP2014) September 11-13, 2014,Athens, Greece. Book of Abstracts p17-18. http://www.elsevierdigital.com/ECMP2014/files/assets/common/downloads/ECMP%202014%20Abstract%20Book.pdf.

251. TEMENOS N, FILTISAKOS S, CHALDEOS Y, NIKOLOPOULOS D, YANNAKOPOULOS P.H, PETRAKI E, KOTTOU S. Hurst exponent of radon profiles indoors in Athens, Greece, 8th European Conference on Medical Physics (ECMP2014) September 11-13, Athens, Greece. Book of Abstracts p18. http://www.elsevierdigital.com/ECMP2014/files/assets/common/downloads/ECMP%202014%20Abstract%20Book.pdf.

252.  KOLOVOS C, PETROPOULOS C, TALAVARI A, FOTOPOULOS A, 
     KANTZOS D, YANNAKOPOULOS P, NIKOLOPOULOS D A multi-touch smartphone application for guitar simulation. International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece. http://era.teipir.gr/sites/default/files/ict_ii_session.pdf.

253. KARATHANOU K, FOTOPOULOS A.A, PAPATHANASIOU A, NIKOLOPOULOS D, GIANNAKOPOULOS IP. An analysis based on Discrete Wavelet Transform of two dimensional gel electrophoresis images with application in proteomics, International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece.http://era.teipir.gr/sites/default/files/engineering_i_session.pdf.

254. KARATHANOU K, FOTOPOULOS A.A, PAPATHANASIOU A, NIKOLOPOULOS D, YANNAKOPOULOS PH. An efficient random number generator based on real time web-trafficking data International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece. http://era.teipir.gr/sites/default/files/ict_ii_session.pdf.

255. SAPIKAS D, KOLOVOS C, PETROPOULOS C, TALAVARI A, FOTOPOULOS A, OIKONOMOU G,NIKOLOPOULOS D An electronic repository for the theses of ΤEIs students International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece. http://era.teipir.gr/sites/default/files/ict_ii_session.pdf.

256. NIKOLOPOULOS D, KOTTOU S, KOULOUGLIOTIS D, VOGIANNIS E, PETRAKI E,GIANNAKOPOULOS I.P, GORGOLIS N, KEFALAS G, POTOZI S, LORILLIA RS, TEMENOS N, TSELES D. Background EMR measurements in Zante and Lesvos islands, Greece, International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece.http://era.teipir.gr/sites/default/files/engineering_i_session.pdf.

257. TEMENOS N, NIKOLOPOULOS D, VOGIANNIS E, PETRAKI E, KOTTOU S, YANNAKOPOULOS PH, Modelling indoor air pollutants with ContamW International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014 , Piraeus, Greece. http://era.teipir.gr/sites/default/files/ict_ii_session.pdf

258. NIKOLOPOULOS D, CHALDEOS Y, PETRAKI E, KOTTOU S, TEMENOS N, FILTISAKOS S, LOUIZI A, TSELES D, YANNALOPOULOS PH. Hurst exponent of radon profiles indoors in Athens, Greece,International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014,Piraeus, Greece. http://era.teipir.gr/sites/default/files/ict_ii_session.pdf.

259. KARATHANOU K, FOTOPOULOS A.A, PAPATHANASIOU A, NIKOLOPOULOS D, Data mining tool for Chronic Kidney Diseases information extraction, International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece. http://era.teipir.gr/sites/default/files/ict_ii_session.pdf.

260. KERVALISHVILI P, KHACHIDZE M, CHIRAKADZE A, YANNAKOPOULOS P, NIKOLOPOULOS D, RANGUSSI M, TSELES D. Novel achievements in information science and technology as basis of secure society development, International Scientific Conference eRA -9, T.E.I. of Piraeus, Conference Center 22- 24 September 2014, Piraeus, Greece. http://era.teipir.gr/sites/default/files/ict_ii_session.pdf.