EDUCATION
PhD in Biology, University of Athens 1996
Chemistry Degree, University of Athens 1990
RESEARCH EXPERIENCE
2009- :Researcher C, NHRF, IBRB, Program of Enzymology and Program of Biomimetics
2006-2009: Researcher D, NHRF, IBRB, Program of Enzymology and Program of Biomimetics
1999-2005: Research associate, NHRF, IBRB, Athens, Greece.
1997-1998: Research associate, National Agricultural Research Foundation (NAGREF), Athens, Greece.
1994-1996: Postdoctoral fellow, Laboratory of Biotechnology, School of Chemical Enginneering Engineering National Technical University of Athens, Greece
1992-1994:PhDstudent, Laboratory of Service de Chimie Moleculaire, CEA, CE Saclay, France and Laboratory of Structure and Surface Reactivity, SRSI, URA CNRS University P. et M. Curie, Paris VI, France.
SCIENTIFIC INTERESTS - ACTIVITIES
Biocatalysis in non conventional media
Development of novel nanobiotechnological applications
Formulation and Structural characterization of microemulsions, nanoemulsions, gels
Spectroscopic techniques (Electron Paramagnetic Resonance, Fluorescence, Light Scattering)
Antioxidant activity of food and plant extracts
SELECTED PUBLICATIONS
V. Papadimitriou, E. D. Tzika, S. Pispas, T.G. Sotiroudis, A. Xenakis. ''Microemulsions based on virgin olive oil: a model biomimetic system for studying native oxidative enzymatic activities'' Colloids and Surfaces A (2010) in press.
A. Xenakis, V. Papadimitriou, T.G. Sotiroudis. "Colloidal structures in natural oils". Current Opinion in Colloid and Interface Science, (2010), 15, 55-60.
Xenakis, A., Papadimitriou, V., Stamatis, H., Kolisis, F.N. ''Biocatalysis in microemulsions''. In Microemuslions, Properties and Applications. Edited by Monzer Fanun, CRC Press, (2009), 349-386.
Tzika, E.D., Sotiroudis, T.G., Papadimitriou, V., Xenakis, A. ''Partial purification and characterization of peroxidase from olives (olea europaea cv. Koroneiki)'',Eur Food Res Technol. (2009), 228, 487-495.
Papadimitriou, V., S. Pispas, S. Syriou, A. Pournara, M. Zoumpanioti, T. G. Sotiroudis, A. Xenakis. ''Biocompatible microemulsions based on Limonene: Formulation, Structure and Applications''(2008). Langmuir, 24, 3380-3386.
Tzika, E.D., V. Papadimitriou, T.G. Sotiroudis, A. Xenakis. ''Oxidation of oleuropein studied by ΕPR and spectrophotometry'',(2008). Eur. J. Lipid Sci. Technol., 110, 149-157.
Tzika, E.D.,V. Papadimitriou, T.G. Sotiroudis, A. Xenakis. ''Antioxidant Properties of Fruits and Vegetables Shots and Juices: An Electron Paramagnetic Resonance Study'', (2008). Food Biophysics, 3, 48-53.
Avramiotis, S., V. Papadimitriou, E. Hatzara, V. Bekiari, P. Lianos, A. Xenakis. ''Lecithin Organogels Used as Bioactive Compounds Carriers. A Microdomain Properties Investigation'',(2007). Langmuir, 23, 4438-4447.
Papadimitriou, V., T.G. Sotiroudis, A. Xenakis. ''Olive Oil Microemulsions: Enzymatic Activities and Structural Characteristics'', (2007). Langmuir, 23, 2071-2077.
Papadimitriou, V., T.G. Sotiroudis, A. Xenakis, N. Sofikiti, V. Stavyiannoudaki, N.A. Chaniotakis. ''Oxidative stability and radical scavenging activity of extra virgin olive oils by using Electron Paramagnetic Resonance spectroscopy'',(2006), Analytica Chimica Acta, 573-574, 453-458.
Zoumpanioti, M., H. Stamatis, V. Papadimitriou and A. Xenakis. ''Spectroscopic and catalytic studies of lipase in ternary hexane-1-propanol water surfactantless microemulsion systems''(2006). Colloids and Surfaces B: Biointerfaces, 47, 1-9.
Papadimitriou, V., G.A. Maridakis, T.G Sotiroudis, A. Xenakis. ''Antioxidant activity of polar extracts from olive oil and olive mill wastewaters: an EPR and photometric study''(2005). Eur. J. Lipid Sci. Technol., 107, 513-520.
Papadimitriou, V., T.G. Sotiroudis, and A. Xenakis.''Olive oil microemulsions as a biomimetic medium for enzymatic studies. Oxidation of oleuropein'' (2005), J. Am. Oil Chem. Soc., 82, 1-6.
Tzika, E.D., V. Papadimitriou, T.G. Sotiroudis, A. Xenakis. ''Chemical and enzymatic oxidation of oleuropein: an EPR study'' (2004). Chem. Phys. Lipids, 130, 61.
Lentza-Rizos, C., E. J. Avramides, A. Argyropoulou, V. Papadimitriou, K. Kokkinaki. "Field Trials to Determinate Residues of Chlozolinate in Table Grapes", (2000), J. Agric. Food Chem, 48, 2522-2527.
Avramiotis, S., V. Papadimitriou, C.T. Cazianis, A. Xenakis. "EPR studies of proteolytic enzymes in microemulsions"(1998). Colloids and Surfaces Α, 144, 295-304.
V. Papadimitriou, A. Xenakis, C.T. Cazianis & F.N. Kolisis "Structural and catalytic aspects of cutinase at controlled hydration levels" (1997) Colloid Polym. Sci., 275, 609-616.
V. Papadimitriou, A. Xenakis, C.T. Cazianis, H. Stamatis, M. Egmond & F.N. Kolisis "EPR studies of cutinase in microemulsions". (1996) Ann. N.Y. Acad. Sci., 799, 275-280.
V. Papadimitriou, C.Petit, G. Cassin, A.Xenakis & M.P.Pileni "Lipase catalyzed esterification in AOT reverse micelles: A structural Study". (1995) Adv. ColloidInterface Sci., 54, 1-16.
V. Papadimitriou, C.Petit, A.Xenakis & M.P.Pileni "Structural modification of reverse micelles due to enzyme incorporation studied by SAXS" (1994) Progr. ColloidPolym. Sci., 97, 226-228.
V. Papadimitriou, A. Xenakis & A.E. Evangelopoulos. "Proteolytic Activity of various w/o Microemulsions as related to the Polarity of the reaction medium". (1993) Colloids Surf. B. Biointerfaces, 1, 295-303.
V. Papadimitriou, A. Xenakis & P.Lianos. "Electric Percolation of Enzyme containing Microemulsions" (1993) Langmuir, 9, 912-915.
RESEARCH PROJECTS
Program PLATON 1992. "Enzymic studies in microemulsions. Structural aspects'' (Contract N 02001910092- 15th Collaboration protocol). Budget: 2.000.000Grd.
Program PLATON 1993. "Enzymic studies in microemulsions. Structural aspects'' (16th Collaboration protocol). Budget: 2.000.000 Grd.
Program BIOTECH of the European Union (1994-6) (in collaboration with Prof. Kolisis): "Structure-function lipase relationships in low water media". Budget: 55.000 ECU.
Program ΕΠΕΤ ΙΙ - Subprogram 1, Action 2.3, Nutrition Program 97ΔΙΑΤΡΟ-29 (1999-2001) ''Study of the presence and bioavailability of phenolic antioxidants in foods of the Mediterranean diet'' Contract with: Univ. of Thessaloniki Budget: 95.000.000 Grd (NHRF 17.450.000 Grd.) Coordinator NHRF: A. Xenakis
Program ''ΣΥΝΕΡΓΑΣΙΑ'' of the Dir.1334/02 - ELAIOURGIKI - ΟΠΕΚΕΠΕ (2003-4) ''Determination of the most significant and usual quality problems encountered in greek olive oils. Evaluation and therapeutic actions'' Budget 20.000,00 €
Program ''CRETE - ΣΥΝΕΡΓΑΣΙΑ'' of the Dir.1334/02 - Sitia, Mirampelo, Peza and Milopotamos Unions- ΟΠΕΚΕΠΕ (2004-5) ''Study of parameters affecting the quality of greek virgin olive oils. Degree of maturity and natural antioxidants content'' Budget 29.759,52 €
Program ΠΑΒΕΤ 2005: ''Production of high added value products by the biotechnological application of lipases as biocatalysts'' Contractor: ΝΕΟΚΕΜ SA Budget: 35.000,00 €. Coordinator NHRF: A. Xenakis
Program ΕΠΑΝ Franco Hellenic Collaboration 2006-7 ''Biocatalysis by immobilized enzymes in mesoporous materials for the biotechnological production of high added value products'' Budget: 12.400,00 €. Coordinator NHRF: A. Xenakis
Program ΕΠΑΝ Cyprus Hellenic Collaboration 2006-7 ''Quality and stability of virgin olive oil. The role of endogenous enzymes and antioxidants - biotechnological applications'' Budget: 11.740,00 €. Coordinator NHRF V. Papadimitriou
COST, European Cooperation in Science and Technology, Action D-43, STSM Fellowship 2008, University of Graz, Austria.
Program ΣΥΝΕΡΓΑΣΙΑ Πράξη Ι, ΕΣΠΑ 2010-2013 ''Nanoemulsions as novel, more efficient and environmentally-friendly method for distributing biocides''. Budget: 449.040 €. Coordinator NHRF: V. Papadimitriou
