All Stories

  1. Untargeted Metabolomics Identifies a Novel Panel of Markers for Autologous Blood Transfusion

    Article • Metabolites, May 2022, MDPI AG

    Dr Costas G Georgakopoulos, Dr Maryam Al-Nesf

  2. Olympic anti-doping laboratory: the analytical technological road from 2016 Rio De Janeiro to 2021 Tokyo

    Article • Bioanalysis, October 2021, Future Science

    Dr Costas G Georgakopoulos

  3. Hyperhydration using different hydration agents does not affect the haematological markers of the athlete biological passport in euhydrated volunteers

    Article • Journal of Sports Sciences, June 2020, Taylor & Francis

    Dr Georgia Valsami, Dr Costas G Georgakopoulos

  4. Metabolomics and doping analysis: promises and pitfalls

    Article • Bioanalysis, June 2020, Future Science

    Dr Costas G Georgakopoulos

  5. Detecting – the 2004 Athens Olympic Games

    Article • Drug Testing and Analysis, December 2019, Wiley

    Dr Costas G Georgakopoulos

  6. Hyperhydration-Induced Decrease in Urinary Luteinizing Hormone Concentrations of Male Athletes in Doping Control Analysis

    Article • International Journal of Sport Nutrition and Exercise Metabolism, March 2019, Human Kinetics

    Dr Costas G Georgakopoulos, Dr Georgia Valsami

  7. Comparison of gas chromatography/quadrupole time-of-flight and quadrupole Orbitrap mass spectrometry in anti-doping analysis: I. Detection of anabolic-androgenic steroids

    Article • Rapid Communications in Mass Spectrometry, November 2018, Wiley

    Dr Costas G Georgakopoulos

  8. Gas chromatographic quadrupole time-of-flight full scan high resolution mass spectrometric screening of human urine in antidoping analysis

    Article • Journal of Chromatography B, September 2017, Elsevier

    Dr Costas G Georgakopoulos

  9. Analysis of RBC-microparticles in stored whole blood bags - a promising marker to detect blood doping in sports?

    Article • Drug Testing and Analysis, June 2017, Wiley

    Dr Costas G Georgakopoulos

  10. Analytical progresses of the World Anti-Doping Agency Olympic laboratories: a 2016 update from London to Rio

    Article • Bioanalysis, November 2016, Future Science

    Dr Costas G Georgakopoulos

  11. Doping control container for urine stabilization: a pilot study

    Article • Drug Testing and Analysis, September 2016, Wiley

    Dr Costas G Georgakopoulos

  12. Athlome Project Consortium: a concerted effort to discover genomic and other “omic” markers of athletic performance

    Article • Physiological Genomics, December 2015, American Physiological Society

    Dr Costas G Georgakopoulos, Hugh Montgomery, Dr Francesco Sessa, Dr David C Hughes

  13. The effect of fasting during Ramadan on parameters of the haematological and steroidal modules of the athletes biological passport - a pilot study

    Article • Drug Testing and Analysis, December 2015, Wiley

    Dr Costas G Georgakopoulos

  14. Markers of mesterolone abuse in sulfate fraction for doping control in human urine

    Article • Journal of Mass Spectrometry, November 2015, Wiley

    Dr Costas G Georgakopoulos

  15. Comparison of sulfo-conjugated and gluco-conjugated urinary metabolites for detection of methenolone misuse in doping control by LC-HRMS, GC-MS and GC-HRMS

    Article • Journal of Mass Spectrometry, April 2015, Wiley

    Dr Costas G Georgakopoulos, ARGYRO FRAGKAKI

  16. Gas chromatographic–mass spectrometric quantitation of busulfan in human plasma for therapeutic drug monitoring: A new on-line derivatization procedure for the conversion of busulfan to 1,4-diiodobutane

    Article • Journal of Pharmaceutical and Biomedical Analysis, March 2014, Elsevier

    Dr Costas G Georgakopoulos, Dr Georgia Valsami

  17. Advances in the detection of designer steroids in anti-doping

    Article • Bioanalysis, March 2014, Future Science

    Dr Costas G Georgakopoulos

  18. A generic screening methodology for horse doping control by LC–TOF-MS, GC–HRMS and GC–MS

    Article • Journal of Chromatography B, December 2013, Elsevier

    Dr Costas G Georgakopoulos

  19. A Synopsis of the Adverse Analytical and Atypical Findings Between 2005 and 2011 from the Doping Control Laboratory of Athens in Greece

    Article • Journal of Analytical Toxicology, November 2013, Oxford University Press (OUP)

    Dr Costas G Georgakopoulos

  20. Sports doping: Emerging designer and therapeutic β2-agonists

    Article • Clinica Chimica Acta, October 2013, Elsevier

    Dr Costas G Georgakopoulos

  21. Chemical derivatization to enhance ionization of anabolic steroids in LC-MS for doping-control analysis

    Article • TrAC Trends in Analytical Chemistry, January 2013, Elsevier

    Dr Costas G Georgakopoulos

  22. Comparison of multiple linear regression, partial least squares and artificial neural networks for prediction of gas chromatographic relative retention times of trimethylsilylated anabolic androgenic steroids

    Article • Journal of Chromatography A, September 2012, Elsevier

    Dr Costas G Georgakopoulos, Professor Nikolaos S. Thomaidis

  23. Evolving concepts and techniques for anti-doping

    Article • Bioanalysis, July 2012, Future Science

    Dr Costas G Georgakopoulos

  24. Analytical progresses of the International Olympic Committee and World Anti-Doping Agency Olympic laboratories

    Article • Bioanalysis, July 2012, Future Science

    Dr Costas G Georgakopoulos

  25. Examination of the kinetic isotopic effect to the acetylation derivatization for the gas chromatographic-combustion-isotope ratio mass spectrometric doping control analysis of endogenous steroids

    Article • Drug Testing and Analysis, February 2012, Wiley

    Dr Costas G Georgakopoulos

  26. Two-step derivatization procedures for the ionization enhancement of anabolic steroids in LC–ESI-MS for doping control analysis

    Article • Bioanalysis, January 2012, Future Science

    Dr Costas G Georgakopoulos, Professor Nikolaos S. Thomaidis

  27. External calibration in Gas Chromatography–Combustion–Isotope Ratio Mass Spectrometry measurements of endogenous androgenic anabolic steroids in sports doping control

    Article • Journal of Chromatography A, August 2011, Elsevier

    Dr Costas G Georgakopoulos

  28. Stabilization of human urine doping control samples: a current opinion

    Article • Analytical and Bioanalytical Chemistry, April 2011, Springer Science + Business Media

    Dr Costas G Georgakopoulos

  29. Screening in veterinary drug analysis and sports doping control based on full-scan, accurate-mass spectrometry

    Article • TrAC Trends in Analytical Chemistry, December 2010, Elsevier

    Dr Costas G Georgakopoulos

  30. Stabilization of human urine doping control samples: IV. Human chorionic gonadotropin

    Article • Analytical and Bioanalytical Chemistry, July 2010, Springer Science + Business Media

    Dr Costas G Georgakopoulos

  31. Preventive doping control screening analysis of prohibited substances in human urine using rapid-resolution liquid chromatography/high-resolution time-of-flight mass spectrometry

    Article • Rapid Communications in Mass Spectrometry, May 2010, Wiley

    Dr Costas G Georgakopoulos, Prof Irene Panderi

  32. Stabilization of human urine doping control samples: III. Recombinant human erythropoietin

    Article • Clinica Chimica Acta, March 2010, Elsevier

    Dr Costas G Georgakopoulos

  33. Generic sample preparation combined with high-resolution liquid chromatography–time-of-flight mass spectrometry for unification of urine screening in doping-control laboratories

    Article • Analytical and Bioanalytical Chemistry, February 2010, Springer Science + Business Media

    Dr Costas G Georgakopoulos

  34. Estimating measurement uncertainty in quantitative methods not based on chromatography for doping control purposes

    Article • Drug Testing and Analysis, January 2010, Wiley

    Dr Costas G Georgakopoulos

  35. Gas chromatographic quantitative structure–retention relationships of trimethylsilylated anabolic androgenic steroids by multiple linear regression and partial least squares

    Article • Journal of Chromatography A, November 2009, Elsevier

    Dr Costas G Georgakopoulos

  36. Two-step silylation procedure for the unified analysis of 190 doping control substances in human urine samples by GC–MS

    Article • Bioanalysis, October 2009, Future Science

    Dr Costas G Georgakopoulos

  37. Direct injection horse urine analysis for the quantification and identification of threshold substances for doping control. III. Determination of salicylic acid by liquid chromatography/quadrupole time-of-flight mass spectrometry

    Article • Analytical and Bioanalytical Chemistry, September 2009, Springer Science + Business Media

    Dr Costas G Georgakopoulos, Prof Irene Panderi

  38. Statistical analysis of fragmentation patterns of electron ionization mass spectra of enolized-trimethylsilylated anabolic androgenic steroids

    Article • International Journal of Mass Spectrometry, August 2009, Elsevier

    Dr Costas G Georgakopoulos

  39. Direct injection horse-urine analysis for the quantification and confirmation of threshold substances for doping control. IV. Determination of 3-methoxytyramine by hydrophilic interaction liquid chromatography/quadrupole time-of-flight mass spectrometry

    Article • Drug Testing and Analysis, August 2009, Wiley

    Dr Costas G Georgakopoulos, Prof Irene Panderi

  40. Searching for in silico predicted metabolites and designer modifications of (cortico)steroids in urine by high-resolution liquid chromatography/time-of-flight mass spectrometry

    Article • Rapid Communications in Mass Spectrometry, July 2009, Wiley

    Dr Costas G Georgakopoulos

  41. Stabilization of human urine doping control samples: II. Microbial degradation of steroids

    Article • Analytical Biochemistry, May 2009, Elsevier

    Dr Costas G Georgakopoulos

  42. Stabilization of human urine doping control samples

    Article • Analytical Biochemistry, May 2009, Elsevier

    Dr Costas G Georgakopoulos

  43. Schemes of metabolic patterns of anabolic androgenic steroids for the estimation of metabolites of designer steroids in human urine

    Article • The Journal of Steroid Biochemistry and Molecular Biology, May 2009, Elsevier

    Dr Costas G Georgakopoulos

  44. Direct injection liquid chromatography/electrospray ionization mass spectrometric horse urine analysis for the quantification and confirmation of threshold substances for doping control. II. Determination of theobromine

    Article • Rapid Communications in Mass Spectrometry, April 2009, Wiley

    Dr Costas G Georgakopoulos, Prof Irene Panderi

  45. Structural characteristics of anabolic androgenic steroids contributing to binding to the androgen receptor and to their anabolic and androgenic activities

    Article • Steroids, February 2009, Elsevier

    Dr Costas G Georgakopoulos

  46. Direct injection LC/ESI-MS horse urine analysis for the quantification and identification of threshold substances for doping control. I. Determination of hydrocortisone

    Article • Journal of Mass Spectrometry, September 2008, Wiley

    Dr Costas G Georgakopoulos, Prof Irene Panderi

  47. ISO/IEC 17025 Sysmex R-500 Hematology Reticulocyte Analyzer Validation

    Article • Laboratory Hematology, June 2007, Carden Jennings Publishing Co.

    Dr Costas G Georgakopoulos

  48. Multi-detection of corticosteroids in sports doping and veterinary control using high-resolution liquid chromatography/time-of-flight mass spectrometry

    Article • Analytica Chimica Acta, March 2007, Elsevier

    Dr Costas G Georgakopoulos

  49. Electrophoretic, size-exclusion high-performance liquid chromatography and liquid chromatography–electrospray ionization ion trap mass spectrometric detection of hemoglobin-based oxygen carriers

    Article • Analytica Chimica Acta, February 2007, Elsevier

    Dr Costas G Georgakopoulos

  50. Preventive doping control analysis: liquid and gas chromatography time-of-flight mass spectrometry for detection of designer steroids

    Article • Rapid Communications in Mass Spectrometry, January 2007, Wiley

    Dr Costas G Georgakopoulos, Prof Irene Panderi

  51. Organization of the doping control laboratory in the Athens 2004 Olympic Games: A case study

    Article • Technovation, October 2006, Elsevier

    Dr Costas G Georgakopoulos

  52. Doping control analysis in human urine by liquid chromatography–electrospray ionization ion trap mass spectrometry for the Olympic Games Athens 2004: Determination of corticosteroids and quantification of ephedrines, salbutamol and morphine

    Article • Analytica Chimica Acta, July 2006, Elsevier

    Dr Costas G Georgakopoulos

  53. An overview of the doping control analysis during the Olympic Games of 2004 in Athens, Greece

    Article • Analytica Chimica Acta, January 2006, Elsevier

    Dr Costas G Georgakopoulos

  54. Metabolism of isometheptene in human urine and analysis by gas chromatography–mass spectrometry in doping control

    Article • Journal of Chromatography B, December 2005, Elsevier

    Dr Costas G Georgakopoulos

  55. Another designer steroid: discovery, synthesis, and detection of ?madol? in urine

    Article • Rapid Communications in Mass Spectrometry, January 2005, Wiley

    Dr Costas G Georgakopoulos

  56. Quantitative structure–retention relationship study of α-, β1-, and β2-agonists using multiple linear regression and partial least-squares procedures

    Article • Analytica Chimica Acta, June 2004, Elsevier

    Dr Costas G Georgakopoulos

  57. Determination of xylazine and its metabolites by GC–MS in equine urine for doping analysis

    Article • Journal of Pharmaceutical and Biomedical Analysis, April 2004, Elsevier

    Dr Costas G Georgakopoulos

  58. Gas Chromatographic ? Mass Spectrometric Cardiotonic Glycosides Detection in Equine Urine Doping Analysis

    Article • Chromatographia, March 2004, Springer Science + Business Media

    Dr Costas G Georgakopoulos

  59. Elimination profiles of flurbiprofen and its metabolites in equine urine for doping analysis

    Article • Talanta, December 2001, Elsevier

    Dr Costas G Georgakopoulos

  60. Determination of ephedrines in urine by gas chromatography–mass spectrometry

    Article • Journal of Chromatography B Biomedical Sciences and Applications, July 2001, Elsevier

    Dr Costas G Georgakopoulos

  61. Study of excretion of ecdysterone in human urine

    Article • Rapid Communications in Mass Spectrometry, January 2001, Wiley

    Dr Costas G Georgakopoulos

  62. Excretion study of the β2-agonist reproterol in human urine

    Article • Journal of Chromatography B Biomedical Sciences and Applications, April 1999, Elsevier

    Dr Costas G Georgakopoulos

  63. Doping control analysis: the 6th World Championships of Athletics, Athens, Greece

    Article • TrAC Trends in Analytical Chemistry, January 1999, Elsevier

    Dr Costas G Georgakopoulos

  64. An expert system for the interpretation of pyrolysis mass spectra of condensation polymers

    Article • Analytica Chimica Acta, February 1998, Elsevier

    Dr Costas G Georgakopoulos

  65. Quantitative structure-retention relationships in doping control

    Article • Journal of Chromatography B Biomedical Sciences and Applications, December 1996, Elsevier

    Dr Costas G Georgakopoulos

  66. Principal component analysis for resolving coeluting substances in gas chromatography-mass spectrometry doping control analysis

    Article • Analytica Chimica Acta, September 1996, Elsevier

    Dr Costas G Georgakopoulos

  67. A method for the interpretation of pyrolysis-mass spectra of polyesters

    Article • Journal of Analytical and Applied Pyrolysis, August 1995, Elsevier

    Dr Costas G Georgakopoulos

  68. HEPHESTUS: An expert system in PROLOG for the interpretation of the pyrolysis-mass spectra of polyesters, polyethers and polyureas using the certainty factor model

    Article • Journal of Analytical and Applied Pyrolysis, June 1995, Elsevier

    Dr Costas G Georgakopoulos

  69. Assessment of the performance of various search systems for mass spectra files of steroids

    Article • Analytica Chimica Acta, July 1993, Elsevier

    Dr Costas G Georgakopoulos

  70. HEPHESTUS: An expert system in PROLOG for the interpretation of pyrolysis mass spectra of polyesters, polyethers and polyureas

    Article • Chemometrics and Intelligent Laboratory Systems, May 1993, Elsevier

    Dr Costas G Georgakopoulos

  71. A method for the interpretation of pyrolysis-mass spectra of polyamides

    Article • Journal of Analytical and Applied Pyrolysis, May 1992, Elsevier

    Dr Costas G Georgakopoulos

  72. The interpretation of pyrolysis mass spectra of polymers using a “hybrid” software system based on library searching with heuristics

    Article • Journal of Analytical and Applied Pyrolysis, July 1991, Elsevier

    Dr Costas G Georgakopoulos