Teaching Assistants
Πανεπιστήμιο Ιωαννίνων
e-mail: ctsiafou@uoi.gr
Tel: 2651008426
Fax:
https://myweb.uoi.gr/ctsiafou/
https://orcid.org/0000-0002-8254-0187
Constantinos (Konstantinos) G. Tsiafoulis is a chemist and holds a PhD in Chemistry. He obtained his BSc, Diploma in Chemistry, from the Aristotle University of Thessaloniki, Greece and his PhD , Doctor of Philosophy, from the Department of Chemistry, University of Ioannina, Greece. He is a Laboratory Teaching Personnel , Grade A in Research Supporting Network, Nuclear Magnetic Resonance (NMR) Centre, Laboratory of Analytical Chemistry, Dept. of Chemistry, University of Ioannina, Ioannina, Greece and a Collaborative Educational Personnel at the Hellenic Open University, Patras, Greece. He has 33 publications in international peer reviewed journals and has been a reviewer at more than 20 International journals. He has >1100 citations and a H-index of 17. His work on “Nuclear magnetic resonance analysis of extra virgin olive oil: classification through secoiridoids” (https://doi.org/10.1002/jsfa.13139) has been ranked within the 10% most-viewed papers published by the Journal of the Science of Food and Agriculture for 2023.
He served and serves as Topic Advisory Board member for journal “Molecules” and as a Special Issue guest editor in the MDPI journals “Molecules” and “Separations”. Moreover, as a topic editor in MPDI (participated and participating journals “Molecules”, “Beverages”, “Foods”, “Nutrients”, “Separations”, “Chemosensors”).
His current research interests include the development of analytical methodologies and metabolomic analysis of biological samples, plant extracts and foods using Nuclear Magnetic Resonance spectroscopic techniques and methods. He has and had also worked on bioanalytical methods and electroanalytical techniques as long as on biosensor development.
Publications
PU33. Florou, D., Boumba, V. and Tsiafoulis, G.C. “Nuclear Magnetic Resonance Spectroscopic Characterization and Determination of the New Psychoactive Substance Benzylone: Application in a Biological Fluid.” Magnetic Resonance in Chemistry, 2025; 63: 195-204. https://doi.org/10.1002/mrc.5500
PU32. Thanou, D.E; Tsiafoulis, C.G, “Hyphenated techniques and NMR methods for possible organochlorinated pesticides occurrence in human and animal milk”, Separations, 2024; 11(10):282. https://doi.org/10.3390/separations11100282
PU31. Tsolis, T.; Kyriakou, D.; Sifnaiou, E.; Thomos, D.; Glykos, D.; Tsiafoulis, C.G.; Garoufis, A. “NMR Analysis of Extra Virgin Olive Oil of the Epirus Region of Greece with Emphasis on Selected Phenolic Compounds” Molecules, 2024, 29, 1111. https://doi.org/10.3390/molecules29051111
PU30. C.G. Tsiafoulis, C. Liaggou, A. Garoufis, P. Magiatis, I.G. Roussis “Nuclear magnetic resonance analysis of extra virgin olive oil: classification through secoiridoids”, Journal of the Science of Food and Agriculture , 2024, 104(4), pp. 1992-2005
PU29. Kostara, C.E., Tsiafoulis, C.G., Bairaktari, E.T., Tsimihodimos, V. “Altered RBC membrane lipidome: A possible etiopathogenic link for the microvascular impairment in Type 2 Diabetes”, Journal of Diabetes and Its Complications , 35, 2021, 107998.
PU28. Passadis, S.S, Papanikolaou, M.G., Elliott, A., Tsiafoulis, C.G., Tsipis, A.C., Keramidas, A.D., Miras, H.N., Kabanos, T.A. “Synthesis, Structural, and Physicochemical Characterization of a Ti6 and a Unique Type of Zr6Oxo Clusters Bearing an Electron-Rich Unsymmetrical {OON} Catecholate/Oxime Ligand and Exhibiting Metalloaromaticity” Inorganic Chemistry , 2020, 59 (24), 18345.
PU27. I.Ketikidis, C.N. Banti*, N. Kourkoumelis, C.G. Tsiafoulis*, C. Papachristodoulou, A.G. Kalampounias, S.K. Hadjikakou*, “Conjugation of penicillin-G with silver(I) ions expands its antimicrobial activity, against Gram negative bacteria”, Antibiotics , 2020, 9(1), 25 .
PU26. S. Symeou, C. G. Tsiafoulis, I. P. Gerothanassis, D. Miltiadou, O. Tzamaloukas “Nuclear magnetic resonance screening of changes in fatty acid and cholesterol content of ovine milk induced by ensiled olive cake inclusion in Chios sheep diets”, Small Ruminant Research , 2019, 177, pp. 111-116.
PU25. C. G. Tsiafoulis*, C. Papaemmanouil, D. Alivertis, O. Tzamaloukas, D. Miltiadou, S. Balayssac, M. Malet-Martino, I. P. Gerothanassis* “NMR-Based Metabolomics of the Lipid Fraction of Organic and Conventional Bovine Milk”, Molecules , 2019, 24, 1067.
PU24. Alexandri, E., Ahmed, R., Siddiqui, H., Choudhary, I. M., Tsiafoulis, G. C., Gerothanassis, P. I. “High Resolution NMR Spectroscopy as a Structural and Analytical Tool for Unsaturated Lipids in Solution”, Molecules , 2017, 22 (10), 1663.
PU23. Kontogianni, V.G., Tsiafoulis, C.G., Roussis, I.G., Gerothanassis, I.P. “Selective 1D TOCSY NMR method for the determination of glutathione in white wine”, Analytical Methods , 2017, 9 (30), pp. 4464-4470.
PU22. Banti, C.N., Kourkoumelis, N., Tsiafoulis, C.G., Skoulika, S., Hadjikakou, S.K. “Silver(I) complexes of methyl xanthate against human adenocarcinoma breast cancer cells”, Polyhedron , 2017, 121, pp. 115-122.
PU21. P. Charisiadis, V. G. Kontogianni, C. G. Tsiafoulis, A. G. Tzakos, I. P. Gerothanassis “Determination of polyphenolic phytochemicals using highly deshielded -OH ¹H-NMR signals”, Phytochemical Analysis , 2017, 28 (3), pp. 159-170.
PU20.Passadis, S.S., Tsiafoulis, C., Drouza, C., Tsipis, A.C., Miras, H.N., Keramidas, A.D., Kabanos, T.A. “Synthesis, Bonding, and Reactivity of Vanadium(IV) Oxido-Fluorido Compounds with Neutral Chelate Ligands of the General Formula cis-[VIV(=O)(F)(LN-N)2]+”, Inorganic Chemistry , 2016, 55 (4), pp. 1364-1366.
PU19.Lalou, S., Hatzidimitriou, E., Papadopoulou, M., Kontogianni, V.G., Tsiafoulis, C.G., Gerothanassis, I.P., Tsimidou, M.Z. “Beyond traditional balsamic vinegar: Compositional and sensorial characteristics of industrial balsamic vinegars and regulatory requirements”, Journal of Food Composition and Analysis , 2015, 43, pp. 175-184.
PU18. Papaemmanouil, C., Tsiafoulis*, C.G., Alivertis, D., Tzamaloukas, O., Miltiadou, D., Tzakos, A.G., Gerothanassis*, I.P. “Selective One-Dimensional Total Correlation Spectroscopy Nuclear Magnetic Resonance Experiments for a Rapid Identification of Minor Components in the Lipid Fraction of Milk and Dairy Products: Toward Spin Chromatography?”, Journal of Agricultural and Food Chemistry , 2015, 63 (22), pp. 5381-5387
PU17. Apostolopoulou, A., Vlasiou, M., Tziouris, P.A., Tsiafoulis, C., Tsipis, A.C., Rehder, D., Kabanos, T.A., Keramidas, A.D., Stathatos, E. “Oxidovanadium(IV/V) complexes as new redox mediators in dye-sensitized solar cells: A combined experimental and theoretical study”, Inorganic Chemistry , 2015, 54 (8), pp. 3979-3988.
PU16. Tziouris, P.A., Tsiafoulis, C.G., Vlasiou, M., Miras, H.N., Sigalas, M.P., Keramidas, A.D., Kabanos, T.A. “Interaction of Chromium(III) with a N, N’-disubstituted hydroxylamine-(diamido) ligand: A combined experimental and theoretical study”, Inorganic Chemistry , 2014, 53 (21), pp. 11404-11414.
PU15. Charisiadis, P., Kontogianni, V.G., Tsiafoulis, C.G., Tzakos, A.G., Siskos, M., Gerothanassis, I.P. “¹H-NMR as a structural and analytical tool of intra- and intermolecular hydrogen bonds of phenol-containing natural products and model compounds”, Molecules , 2014, 19 (9), pp. 13643-13682.
PU14. P. Charisiadis, C.G. Tsiafoulis, A.G. Tzakos, I.P. Gerothanassis, “Dynamic changes in composition of extracts of natural products as monitored by in situ NMR” Magnetic Resonance in Chemistry , 2014, 52 (12), pp. 764-768.
PU13. C.G. Tsiafoulis, T. Skarlas, O. Tzamaloukas, D. Miltiadou, I. Gerothanassis, “Direct nuclear magnetic resonance identification and quantification of geometric isomers of conjugated linoleic acid in milk lipids without isolation or derivatisation steps: overcoming sensitivity and resolution barriers” Analytica Chimica Acta , 2014, 821, 62-71.
PU12. C. Tsiafoulis* and I. Gerothanassis*, “A novel NMR method for the determination and monitoring of evolution of hydrogen peroxide in aqueous solutions”, Analytical and Bioanalytical Chemistry, 2014, 406 (14), pp. 3371-3375.
PU11. M. Siskos, V. Kontogianni, C. Tsiafoulis, A. Tzakos, I. Gerothanassis “Investigation of solute-solvent interactions in phenol compounds: accurate ab initio calculations of solvent effects on ¹H NMR chemical shifts”, Organic and Biomolecular Chemistry, 2013, 11 (42), 7400-7411.
PU10. A. Primikyri, E. Kyriakou, P. Charisiadis, C. Tsiafoulis, H. Stamatis, A. G. Tzakos , I. P. Gerothanassis, “Fine-tuning of the diffusion dimension of -OH groups for high resolution DOSY NMR applications in crude enzymatic transformations and mixtures of organic compounds”, Tetrahedron , 2012, 68, 6887-6891.
PU9. P. Charisiadis, C. G. Tsiafoulis, V. Exarchou, A. G. Tzakos, I.P. Gerothanassis,”Rapid and Direct Low Micromolar NMR Method for the Simultaneous Detection of Hydrogen Peroxide and Phenolics in Plant Extracts”, Journal of Argicultural and Food Chemistry, 2012, 60, 4508-4513.
PU8. A.A. Nerantzaki, C.G. Tsiafoulis*, P. Charisiadis, V.G. Kontogianni, I.P. Gerothanassis*, “Novel determination of the total phenolic content in crude plant extracts by the use of ¹H NMR of the -OH spectral region”, Analytica Chimica Acta, 2011, 688, 54-60.
PU7. C.G. Tsiafoulis, V. Exarchou, P. P. Tziova, E. Bairaktari, I. P. Gerothanassis, A. N. Troganis, “A new method for the determination of free L-carnitine in serum samples based on high field single quantum coherence filtering ¹H-NMR spectroscopy”, Analytical and Bioanalytical Chemistry, 2011, 399, 2285-2294.
PU6. C.G. Tsiafoulis*, C.G. Nanos*, “Determination of Azinphos-Methyl and Parathion Methyl in honey by Stripping Voltammetry”, Electrochimica Acta , 2010, 56, 566-574.
PU5. C.G. Tsiafoulis, P.N. Trikalitis, M.I. Prodromidis, “Synthesis, Characterization and Performance of Vanadium Hexacyanoferrate as Electrocatalyst of H2O2”, Electrochemistry Communications , 2005, 7, 1398-1404.
PU4. C.G. Tsiafoulis, A.B. Florou, P.N. Trikalitis, T. Bakas, M.I. Prodromidis, “Electrochemical study of Ferrocene Intercalated Vanadium Pentoxide Xerogel/Polyvinyl Alcohol Composite Films. Application in the Development of Amperometric biosensors”, Electrochemistry Communications, 2005, 7, 781-788.
PU3. C.G. Tsiafoulis, M.I. Prodromidis, M.I. Karayannis, “Development of an Amperometric Biosensing Method for the Determination of L-fucose in pretreated Urine”, Biosensors and Bioelectronics , 2004, 20, 620-627.
PU2. C.G. Tsiafoulis, M.I. Prodromidis, M.I. Karayannis, “Development of A Flow Amperometric Enzymatic Method for the Determination of Total Glucosinolates in Real Samples”, Analytical Chemistry , 2003, 75, 927-934.
PU1. C.G. Tsiafoulis, M.I. Prodromidis, M.I. Karayannis, “Development of Amperometric Biosensors for the Determination of Glycolic Acid in Real Samples”, Analytical Chemistry , 2002, 74, 132-139.
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