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Á.
Theses
1. T.Valis,
(1991) "Bioconversion of hydrophobic substances in heterogeneous
systems". Chemical Engineering Dept., National Technological University
of Athens
2. V.Papadimitriou.
(1995) "Enzymatic studies in microemulsions". Biology Dept.
Athens University
3. H.Stamatis
(1996) '' Enzymatic transformation of amphiphilic substrates in microemulsions
'' Chemistry Dept. School of Sciences, Patras University.
4. S.Avramiotis
(1997) "Structural studies of microemulsions in the presence of
biological macromolecules. Polytechnic School, Patras University
5. Ì.Georgalaki
(1999) '' Enzymatic activities in olives and olive oil''. Dept of Agricultural
Industries, Athens Agricultural University
6. C.Karapitta
(2001).''Study of chemical modifications of enzymes for the development
of immunoassays'' Chemical Engineering Dept., National Technological
University of Athens
Â.
Research Papers
- C.Cazianis,
A.Xenakis & A.Evangelopoulos (1987) "Spin-label studies
of glycogen phosphorylase hosted in microemulsion droplets"
Biochem.Biophys.Res.Commun. 148, 1151-7.
- A.Xenakis,
T.Valis & F.Kolisis (1988) "Bioconversion of hydrophilic
and hydrophobic compounds by enzyme systems I". "Biotechnology
Action Program", Ed. E.Magnien, Comission of the European Communities,
2, 303-7.
- A.Xenakis,
T.Valis, G.Kondelia & F.Kolisis (1988) "Bioconversion of
hydrophilic and hydrophobic compounds by enzyme systems II".
"Biotechnology Action Program", Ed. E.Magnien, Comission
of the European Communities, 2, 445-50.
- A.Xenakis
& C.T.Cazianis (1988) "Solubilization of Phosphorylase into
microemulsion droplets. An ESR study. Progr.Colloid Polym.Sci., 76,
159-64.
- A.Xenakis,
T.P.Valis & F.Kolisis (1989) "Use of microemulsion systems
as media in heterogeneous enzymic catalysis". Progr.Colloid
Polym. Sci., 79, 88-93.
- C.T.Cazianis
& A.Xenakis (1989) "Different spin probe positions related
to structural changes of nonionic microemulsions". Progr.Colloid
Polym.Sci., 79, 214-217.
- A.Xenakis
(1989) ''Enzymatic transesterification of fats and oils in microemulsions''.
Proc. 2d Panhellenic congress of Food Science & Technology, 343-351,
Athens.
- A.Xenakis,
T.Valis & F.Kolisis (1990) "Reverse micellar enzymology.
Lipase catalyzed hydroysis of triglycerides and synthesis of specific
esters". Biochem.Biophys.Newslett., 30, 23-25
- A.Xenakis
(1990) "Microemulsions É. Brief presentation". Rev.Clin.
Pharmacol. Pharmacokin., 9, 15-24.
- A.Xenakis
(1990) "Microemulsions ÉÉ. A novel environment for enzymatic
studies". Rev. Clin. Pharmacol. Pharmacokin., 9, 25-40.
- A.Xenakis,
C.T.Cazianis & A. Malliaris (1990) "Nonionic microemulsions
as model of biosystems studied by probing techniques". Progr.Colloid
Polym.Sci., 81, 295.
- D.Leonidas,
N.G.Oikonomakos, A.C. Papageorgiou, A.Xenakis, C.T.Cazianis &
F.Bem. (1990) "The ammonium sulfate activation of Phosphorylase
b". FEBS Lett., 261, 23-27.
- F.Kolisis,
T.Valis & A.Xenakis (1990) "Lipase catalyzed esterification
of fatty acids in nonionic microemulsions". An. New York Acad.
Sci., 613, 674-680.
- S.Modes,
P.Lianos & A.Xenakis (1990) "Relation of the fractal behavior
of luminescence quenching with electric percolation in water-in-oil
microemulsions" J.Phys.Chem. 94, 3363-5
- T.G.Sotiroudis
& A.Xenakis (1990) "PEST sequences present in phosphorylase
kinase". Biochem.Int., 21, 941-947.
- A.Xenakis,
T.P.Valis & F.Kolisis (1991) "Microemulsions as a tool for
enzymatic studies. The case of Lipase". Progr.Colloid Polym.
Sci., 84, 508-512.
- T.Valis,
A.Xenakis & F.N.Kolisis (1992) "Comparative studies of Lipase
from Rhizopus delemar in various microemulsion systems" Biocatalysis,
6, 267-279.
- A.Xenakis,
C.T.Cazianis & A.Malliaris (1992) "Study of the transition
between different structures of some nonionic microemulsion systems".
Colloids Surf. 62, 315-9.
- G.Nika,
C.M.Paleos, P.Dais, A.Xenakis & A.Malliaris (1992) "Aggregational
behavior of polymeric micelles of methylacrylate functionalized quaternary
ammonium salts". Progr. Colloid Polym.Sci., 89, 122-124.
- H.Stamatis,
A.Xenakis, F.N.Kolisis, H.Sztajer & U.Menge (1992) "Studies
on the specificity of Penicillium simplicissimum lipase catalyzed
esterification reactions in microemulsions", in Biocatalysis
in Non-Conventional Media, J.Tramper et al.(eds) Elsevier, Amsterdam,
733-8.
- V.Papadimitriou,
A.Xenakis & P.Lianos (1993) "Electric percolation of enzyme
containing microemulsions", Langmuir, 9, 912-915.
- H.Stamatis,
A.Xenakis, M.Provelegiou & F.N.Kolisis (1993) "Esterification
reactions catalyzed be lipases in microemulsions. The role of enzyme
localization in relation to its selectivity" Biotechnol. Bioeng.,
42, 103-110.
- A.Xenakis,
V.Papadimitriou & P.Lianos (1993) "Enzyme induced percolation
of w/o microemulsions", Progr.Colloid Polym.Sci., 93, 370-372.
- H.Stamatis,
A.Xenakis & F.N.Kolisis (1993) "Enantiomeric specificity
of a lipase from Penicillium simplicissimum in the esterification
of menthol in microemulsions", Biotechnol. Lett. 15, 471-476.
- H.Stamatis,
A.Xenakis, U.Menge & F.N.Kolisis (1993) "Kinetic study of
lipase catalyzed esterification reactions in microemulsions",
Biotechnol. Bioeng., 42, 931-937.
- A.Xenakis,
H.Stamatis, A.Malliaris & F.N.Kolisis (1993) "Effect of alcohols
on the structure of AOT reverse micelles with respect to different
enzyme activity", Progr. Colloid Polym. Sci., 93, 373-376.
- V.Papadimitriou,
A.Xenakis & A.E.Evangelopoulos (1993) "Proteolytic activity
in various w/o microemulsions as related to the polarity of the reaction
medium", Colloids Surf. B. Biointerfaces, 1, 295-303.
- H.Stamatis,
A.Xenakis, U.Bornscheuer, T.Sheper, U.Menge & F.N.Kolisis (1993)
"Pseudomonas cepacia lipase: esterification reactions in AOT
microemulsion systems" Biotechnol. Lett. 15, 703-708.
- A.Kokkinia,
C.M.Paleos, A.Malliaris & A.Xenakis (1993) "Self organization
in water of bolaform detergents bearing two phosphate groups",
Progr.Colloid Polym.Sci., 93, 302-304.
- U.Bornscheuer,
H.Stamatis, A.Xenakis, T.Yamane and F.N.Kolisis (1994) "A comparison
of different strategies for lipase-catalyzed synthesis of partial
glycerides" Biotechnol. Lett. 16, 697-702.
- H.Stamatis,
A.Xenakis, F.N.Kolisis & A.Malliaris (1994) "Lipase localization
in w/o microemulsions studied by fluorescence energy transfer"
Progr.Colloid Polym.Sci. 97, 253-255.
- V.Papadimitriou,
C.Petit, A.Xenakis & M.P.Pileni (1994) "Structural modifications
of reverse micelles due to enzyme incorporation studied by SAXS"
Progr.Colloid Polym. Sci. 97, 226-228.
- H.Stamatis,
A.Xenakis, E.Dimitriadis and F.N.Kolisis (1995) "Catalytic behavior
of Pseudomonas cepacia lipase in w/o microemulsions" Biotechnol.Bioeng.
45, 33-41.
- V.Papadimitriou,
C.Petit, G.Cassin, A.Xenakis and M.P.Pileni (1995) "Lipase catalyzed
esterification in AOT reverse micelles: a structural studies"
Adv. Colloid Interface Sci., 54, 1-16.
- H.Stamatis,
A.Xenakis and F.N.Kolisis (1995) "Studies on Enzyme Reuse and
Product Recovery in Lipase-Catalyzed Reactions in Microemulsions"
An.New York Acad.Sci. 750, 237-241.
- A.Ballesteros,
U.Bornscheuer, A.Capewell, D.Combes, J.S.Condoret, K.Koenig, F.N.
Kolisis, A.Marty, U.Menge, T.Scheper, H.Stamatis & A.Xenakis (1995)
"Enzymes in non-conventional phases" Biocatalysis Biotransformations,
13, 1-42.
- S.Avramiotis,
A.Xenakis, & P.Lianos (1996) "Lecithin w/o microemulsions
as a host for trypsin. Enzyme activity and luminescence decay studies"
Progr.Colloid Polym.Sci. 100, 286-289.
- S.Avramiotis,
H.Stamatis, F.N.Kolisis, P.Lianos & A.Xenakis (1996) "Structural
studies of lecithin and AOT based w/o microemulsions, in the presence
of lipase" Langmuir, 12, 6320-6.
- V.Papdimitriou,
A.Xenakis, C.T.Cazianis, H.Stamatis, M.R.Egmond & F.N.Kolisis
(1996) EPR studies of cutinase in microemulsions" Ann. New York
Acad.Sci. 799, 275-280.
- J.B.
Macris, H. Stamatis and F.N. Kolisis. (1996) Microemulsions as a tool
for the regioselective lipase-catalysed esterification of aliphatic
diols. Appl. Microb.Biotechnol.. 46, 521-524.
- H.
Stamatis, J. Macris and F.N. Kolisis. (1996) Esterification of hydrophilic
diols catalysed by lipases in microemulsions. Biotechnol. Letters,
18, 541-546.
- V.
Papadimitriou, A. Xenakis, C.T. Cazianis & F.N. Kolisis (1997)
"Structural and catalytic aspects of cutinasein w/o microemulsions"
Colloid Polym.Sci., 275, 609-616.
- S.
Avramiotis, H. Stamatis, F.N. Kolisis & A. Xenakis. (1997) "Pseudomonas
cepacia lipase localization in lecithin and AOT w/o microemulsions.
A fluorescence energy transfer study" Progr.Colloid Polym.Sci.
105, 180-183.
- V.Bekiari,
P.Lianos, S.Avramiotis & A.Xenakis (1997) " Photophysical
studies of aerosol-OT films loaded with biological macromolecules
and made from reverse micelles." Progr. Colloid Polym.Sci.105,
109-112.
- S.Avramiotis,
P.Lianos & A.Xenakis (1997) "Trypsin in lecithin based w/o
microemulsions. Fluorescence and enzyme activity studies" Biocatalysis
Biotransformations, 14, 299-316.
- S.Avramiotis,
V.Bekiari, P.Lianos & A.Xenakis (1997) "Structural and dynamic
properties of lecithin-alcohol based w/o microemulsions. A luminescence
quenching study." J. Colloid Interface Sci. 194, 326-331.
- S.Avramiotis,
M.D.Georgalaki, C.T.Cazianis, T.G.Sotiroudis & A.Xenakis, "Free
radicals in virgin olive oil: a spin trapping EPR study" in "Lipidforum",
pp.61-64, Bergen, 1997.
- V.
Sereti, H. Stamatis, F.N. Kolisis. (1997) Improved stability and reactivity
of Fusarium solani cutinase in supercritical CO2, Biotechnol.Techn.11,
661-5.
- C.
Tsitsimpikou, H. Stamatis, V. Sereti, H. Daflos and F.N. Kolisis.
(1998) Acylation of glucose catalysed by lipases in supercritical
carbon dioxide. J. Chem.Technol.Biotechnol., 71, 309-314.
- H.
Stamatis, P. Christakopoulos, D. Kekos, B.J. Makris, F.N. Kolisis.
(1998) Studies on the synthesis of short-chain geranyl esters catalyzed
by Fusarium oxysporum esterase in organic solvents. J.Mol.Catalysis
B:Enzym., 4, 229-236.
- P.
Christakopoulos, B. Tzalas, D. Mamma, H. Stamatis, Liadakis G.N.,
C. Tzia, D. Kekos, F.N. Kolisis, B.J. Makris. (1998) Production of
an esterase from Fusarium oxysporum catalysing transesterification
reactions in organic solvents. Proc. Biochem., 33(5), 585-594.
- M.D.Georgalaki,
T.G.Sotiroudis & A.Xenakis (1998) "The presence of oxidizing
enzyme activities in virgin olive oil" J.Am.Chem.Oil Soc. 75,
155-9.
- S.Avramiotis,
V.Papadimitriou, C.T.Cazianis & A.Xenakis (1998) "EPR studies
of proteolytic enzymes in microemulsions" Colloids Surfaces.A:
Physichochemical & Engineerinig Aspects. 144, 295-304.
- M.D.Georgalaki,
A. Bachmann, T.G.Sotiroudis, A.Xenakis, A. Porzel and I. Feussner
(1998) "Characterization of a 13-lipogygenase from olive oil
and oil bodies of olive endosperms" FETT/Lipid, 100, 554-560.
- M.D.Georgalaki,
A.Boehm, T.G.Sotiroudis, A.Xenakis & I.Feussner (1998) "An
Active Linoleate 13-Lipoxygenase is Found in Virgin Olive Oil",
Advances in Plant Lipids Research. J.Sanchez, E.Carda-Olmedo, E.Martinez-Force
(eds.) pp. 696-698, Sevilla.
- H.Stamatis,
& A.Xenakis (1999) "Biocatalysis using microemulsion-based
polymer gels containing lipase" J. Mol.Catalysis B: Enzymatic,
6 399-406.
- H.Stamatis,
A.Xenakis & F.N.Kolisis (1999) "Biorganic reactions in microemulsions:
the case of lipase" Biotechnol. Advances. 17, 293-318.
- A.Xenakis
& H. Stamatis (1999) "Lipase immobilization on microemulsion-based
polymer gels" Progr.Colloid Polym. Sci. 112, 132-5.
- S.Avramiotis,
C.T.Cazianis & A.Xenakis (1999) "Interfacial Properties of
Lecithin Microemulsions in the presence of Lipase. A Membrane Spin-Probe
Study" Langmuir, 15, 2375-9.
- H.Stamatis,
A.Xenakis & F.N.Kolisis (1999) "Biorganic reactions in microemulsions:
the case of lipase" Biotechnol. Advances. 17, 293-318
- H.
Stamatis, A. Xenakis & F.N. Kolisis (1999) "Synthesis of
Esters Catalyzed by Lipases in w/o Microemulsions", Methods in
Biotechnology, in press.
- H.Stamatis,
& A.Xenakis (1999) "Biocatalysis using microemulsion-based
polymer gels containing lipase" J. Mol.Catalysis B: Enzymatic,
6, 399-406.
- E.
Protopapa, H. Geissert, A. Xenakis, S. Avramiotis, N. Stavrianeas,
C.E. Sekeris, J. Schenkel & A. Alonso (1999) "The effect
of proteolytic enzymes on skin hair follices of trangenic mice expressing
the lac z-protein in cells of the bulge region", J.Europ.Acad.
Dermatol. Venerol. 13, 28-35.
- A.Pastou,
H.Stamatis & A.Xenakis (1999) "Microemulsion-based organogels
containing lipase: Application in the synthesis of esters" Progr.Colloid
Polym. Sci., 115, 00-04.
- S.Avramiotis,
C.Cazianis & A.Xenakis (1999) "Membrane spin-probe in lecithin
and AOT water-in-oil microemulsions". Progr. Colloid Polym. Sci.,
115, 00-05.
- H.
Stamatis, A. Xenakis & F.N. Kolisis (2001) ''Synthesis of Esters
Catalyzed by Lipases in w/o Microemulsions'', In: Enzymes in Nonaqueous
Solvents : Methods and Protocols (Methods in Biotechnology, Vol 15)
E.N. Vulfson, P.J. Halling, H.L. Holland (Eds). Humana Press, Totowa,
NJ. pp. 331-338.
- C.Karapitta,
A.Xenakis, A.Papadimitriou, T.G.Sotiroudis (2001) A new homogeneous
enzyme immunoassay for thyroxine using glycogen phosphorylase b-thyroxine
conjugates. Clin.Chim.Acta, 308, 99-106.
- C.Karapitta,
T.G.Sotiroudis, A.Papadimitriou, A.Xenakis (2001) ''A homogeneous
enzyme immunoassay for triiodothyronine in serum''. Clin.Chem., 47,
569-574.
- E.Karavas,
E.Georgarakis, D.Bikiaris, T.Thomas, V.Catsos, A.Xenakis (2001) ''Hydrophilic
matrices as carriers in felodipine solid dispersion systems''. Progr.
Colloid Polym. Sci. 118, 149-152
- D.
Skoutas, D. Haralabopoulos, S. Avramiotis, T.G. Sotiroudis, A. Xenakis
(2001) ''Virgin Olive Oil: Free Radical Production Studied with Spin
Trapping EPR Spectroscopy'' J. Am. Oil Chem. Soc. 78, 1121-5.
- C.
Delimitsou, M. Zoumpanioti, A. Xenakis, H. Stamatis (2002) ''Activity
and stability studies of mucor miehei lipase immobilized in novel
microemulsion based organogels''. Biocatalysis and Biotransformations,
20, 319-327.
- T.G.
Sotiroudis, S.A. Kyrtopoulos, A. Xenakis, G.T. Sotiroudis (2003) ''Chemopreventive
potential of minor components of olive oil against cancer'' Ital.
J. Food Sci. 15, 169-185
- E.
Tzika, V. Papadimitriou, T.G. Sotiroudis, A. Xenakis (2004) ''Chemical
and enzymatic oxidation of oleuropein: an EPR study'' Chem.Phys.Lipids.
130, 61.
- M.
Mastorakis, T.G. Sotiroudis, A. Xenakis, & S. Miniadis-Meimaroglou,
(2004) ''Spectrophotometric analysis of enzymic and non-enzymic oxidation
of oleuropein'' Chem.Phys.Lipids. 130, 58.
- E.
Hatzara, E.Karatza, S. Avramiotis. A. Xenakis (2004) ''Spectroscopic
mobility probing studies of lecithin organogels'' Progr. Colloid Polym.
Sci., 123, 94-97
- M.Zoumpanioti,
E.Karavas, C.Skopelitis, H.Stamatis, A. Xenakis. (2004) ''Lecithin
organogels as model carriers of pharmaceuticals'' Progr. Colloid Polym.
Sci., 123, 199-202.
- P.
Dominguez de Maria, H. Stamatis A. Xenakis J. V. Sinisterra (2004)
''Lipase Factor (LF) as a characterization parameter to explain the
catalytic activity of crude lipases from Candida rugosa, ATCC 14830,
free or immobilized in microemulsion based organogels'' Enzym. Microb.
Technol.. 35, 277-283.
- P.
Dominguez de Maria, H. Stamatis A., Xenakis, J. V. Sinisterra (2004)
''Unexpected reaction profile observed in the synthesis of propyl
laurate when using Candida rugosa lipases immobilized in microemulsions
based organogels'' Biotechnol. Lett. 26: 1517-20.
- M.
Zoumpanioti, M. Karali, A. Xenakis & H. Stamatis, (2005) ''Lipase
biocatalytic processes in surfactant free microemulsion - like ternary
systems and related organogels''. Enzym. Microb. Technol.. in press
- V.
Papadimitriou, T.G. Sotiroudis, and A. Xenakis (2005) ''Olive oil
microemulsions as a biomimetic medium for enzymatic studies. Oxidation
of oleuropein'' J.Am.Oil Chem. Soc. In press.
- T.G.
Sotiroudis, G.T. Sotiroudis, N. Varkas and A. Xenakis (2005) ''Interfacial
properties of virgin olive oil-in-water emulsions stabilized by endogenous
amphiphiles'' J.Am.Oil Chem. Soc. In press
C. Patents
- Å.Ðñùôüðáððá,
Á.ÎåvÜêçò, Ó.Áâñáìéþôçò & Ê.Å.ÓÝêåñçò (1996) ''Ìéêñoãáëáêôþìáôá
ëåêéèßvçò ðåñéÝ÷ovôá ðñùôåoëõôéêÜ Ývæõìá á-÷õìoèñéøßvç Þ èñõøßvç êáé
ìÝèoäoò ìüvéìçò åvæõìéêÞò áðoôñß÷ùóçò'' ÊáôÜèåóç Ï.Â.I. No 060100168/1996
- Xenakis
A., Sotiroudis T.G. & Karapitta C. (2000) ''Development of a homogenous
immunoenzymatic method for the production of clinical laboratory kits
for the determination of thyroxine and triiodothyronine in human sera,
using glycogen phosphorylase b conjugated with polyiodothyronines.
Greek Patent Office. ÏÂÉ 20000100255
- Protopapa,
E.; Xenakis, A.; Avramiotis, S., Sekeris, C. (2001) ''Lecithin-based
microemulsions containing proteolytic enzymes and method for permanent
enzymic depilation'' United States Patent, 6,203,791
- Protopapa,
E.; Xenakis, A.; Avramiotis, S., Sekeris, C. (2003) ''Lecithin-based
microemulsions containing proteolytic enzymes and method for permanent
enzymic depilation''. European Patent 0955991/05-03-2003, PCT Int.
Appl. WO 9744005 A1. Designated states: W: AL, AU, BA, BB, BG, BR,
CA, CN, CU, CZ, EE, GE, HU, IL, IS, JP, KP, KR, LC, LK, LR, LT, LV,
MG, MK, MN, MX, NO, NZ, PL, RO, SG, SI, SK, TR, TT, UA, US, UZ, VN,
AM, AZ, BY, KG, KZ, MD, RU, TJ, TM; RW: AT, BE, BF, BJ, CF, CG, CH,
CI, CM, DE, DK, ES, FI, FR, GA, GB, GR, IE, IT, LU, MC, ML, MR, NE,
NL, PT, SE, SN, TD, TG.
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