Apostolos Spyros, Assist. Prof.

Publications*

35 "Analysis and aging of unsaturated polyester resins in contemporary art installations by NMR spectroscopy".
G. Stamatakis, U. Knuutinen, K. Laitinen, A. Spyros, Anal. Bioanal. Chem., 2010, 398, 3203.

34 "31P NMR spectroscopy in food analysis".
A. Spyros, P. Dais, Progr. NMR Spectrosc., 2009, 54, 195. (doi)

Since publication featured as the 10th, 2nd and 5th most downloaded article in PNMRS.
33 "Geographical characterization of Greek virgin olive oils (Cv. Koroneiki) using 1H and 31P NMR fingerprinting with canonical discriminant analysis and classification binary trees".
P. Petrakis, A. Agiomyrgianaki, S. Christophoridou, A. Spyros, P. Dais, J. Agric. Food Chem., 2008, 56, 3200.(pdf)

32 "The isoenzyme seven of tobacco NAD(H)-dependent glutamate dehydrogenase exhibits high deaminating and low aminating activities in vivo".
D. S. Skopelitis, N. V. Paranychianakis, A. Kouvarakis, A. Spyros, E. G. Stephanou, and K. A. Roubelakis-Angelakis, Plant. Physiol., 2007, 145, 1726. (pdf)

31 "31P NMR spectroscopy in the quality control and authentication of extra-virgin olive oil: A review of recent progress".
P. Dais and A. Spyros, Magn. Reson. Chem., 2007, 45, 367. (pdf)

NMR Ezine feature.

30 "Comparison of analytical methodologies based on 1H and 31P NMR spectroscopy with conventional methods of analysis for the determination of some olive oil constituents".
P. Dais, A. Spyros, S. Christophoridou, E. Hatzakis, G. Fragaki, A. Agiomyrgianaki, E. Salivaras, G. Siragakis, D. Daskalaki, M. Tasioula-Margari, M. Brenes, J. Agric. Food Chem., 2007, 55, 577.(pdf)

29 "Dynamic light scattering vs 1H NMR investigation of pH-responsive diblock copolymers in water".
M. Vamvakaki, D. Palioura, A. Spyros, S. P. Armes, and S. H. Anastasiadis, Macromolecules, 2006, 39, 5106.(pdf)

28 "Studies of organic paint binders by NMR spectroscopy".
A. Spyros, D. Anglos, Appl. Phys. A, 2006, 83, 705.(pdf)

27 "Detection of extra virgin olive oil adulteration with lampante olive oil and refined olive oil using NMR spectroscopy and multivariate statistical analysis".
G. Fragaki, A. Spyros, G. Siragakis, E. Salivaras, P. Dais, J. Agric. Food. Chem., 2005, 53, 2810.(pdf)

26 "Structure determination of oligomeric alkannin and shikonin derivatives".
A. Spyros, A. N. Assimopoulou, V. P. Papageorgiou, Biomed. Chrom., 2005, 19, 498.(pdf)

25 "Correction of the structure of a new sesquiterpene from Cistus creticus ssp. creticus".
K. Hatzellis, G. Pagona, A. Spyros, C. Demetzos, H. E. Katerinopoulos, J. Nat. Prod., 2004, 67, 1996.(pdf)

24 "Study of aging in oil paintings by 1D and 2D NMR Spectroscopy".
A. Spyros, D. Anglos, Anal. Chem., 2004, 76, 4929.(pdf)


feature article.
23 "Kinetics of diglyceride formation and isomerization in virgin olive oils by employing 31P NMR spectroscopy. Formulation of a quantitative measure to assess olive oil storage history".
A. Spyros, A. Fillipidis and P. Dais, J. Agric. Food Chem., 2004, 52, 157. (pdf)

22 "Classification of edible oils by employing 31P and 1H NMR Spectroscopy in combination with multivariate statistical analysis. A proposal for the detection of seed oil adulteration in virgin olive oils ".
G. Vigli, A. Fillipidis, A. Spyros and P. Dais, J. Agric. Food Chem., 2003, 51, 5715. (pdf)

21 "Characterization of unsaturated polyester and alkyd resins using One and Two-Dimensional NMR spectroscopy".
A. Spyros, J. Appl. Polym. Sci., 2003, 88, 1881. (pdf)

20"The use of L-lysine fluorescence derivatives as tracers enhance the performance of polarization fluoroimmunoassays. A study using the herbicides 2,4D and 2,4,5T as model antigens".
G. I. Hatzidakis, S. A. Eremin, E. K. Krambovitis, A. Spyros and A. M. Tsatsakis, Anal. Chem., 2002, 74, 2513. (pdf)
19"Determination of the diglycerides content in Greek virgin olive oils and some commercial olive oils by employing 31P NMR spectroscopy".
P. Fronimaki, A. Spyros, S. Christoforidou and P.Dais, J. Agric. Food Chem., 2002, 50, 2207. (pdf)
18"Quantitative determination of the distribution of free hydroxylic and carboxylic groups in unsaturated polyester and alkyd resins by 31P NMR spectroscopy".
A. Spyros, J. Appl. Polym. Sci., 2002, 83, 1635. (pdf)
17 "31P Nuclear Magnetic Resonance spectroscopy of polyphenol-containing olive oil model compounds".
S. Christoforidou, A. Spyros and Photis Dais, Phosphorus Sulfur and Silicon, 2001, 170, 139.
16 "Application of 31P-NMR spectroscopy in food analysis. I. Quantitative determination of mono- and diglycerides in virgin olive oils".
A. Spyros, Photis Dais, J. Agric. Food Chem., 2000, 48, 802 . (pdf)
15 "NMR study of the rotational dynamics of linear homopolysaccharides in dilute solutions as a function of linkage position and stereochemistry".
E. Tylianakis, A. Spyros, Photis Dais, F. Taravel, and A. Perico, Carbohydr. Res., 1999, 315, 16. (pdf)
14 "Selective determination of elastomer distribution in multicomponent systems using proton-detected 13C imaging".
A. Spyros, N. Chandrakumar, M. Heidenreich and R. Kimmich, Macromolecules 1998, 31, 3021. (pdf)
13 "1H NMR imaging study of enzymatic degradation in poly(3-hydroxybutyrate) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate). Evidence for preferential degradation of the amorphous phase by PHB depolymerase B from Pseudomonas lemoignei".
A. Spyros, R. Kimmich, B. H. Briese and D. Jendrossek, Macromolecules 1997, 30, 8218. (pdf)
12 "A study of polyhydroxyalkanoates by quantitative 31P NMR Spectroscopy: Molecular weight and chain cleavage".
A. Spyros, D. S. Argyropoulos, and R. H. Marchessault, Macromolecules 1997, 30, 327. (pdf)
11 "13C and 1H amorphous linewidths in semicrystalline poly(4-hydroxybutyrate) and poly(3-hydroxybutyrate-co-4-hydroxybutyrate) above Tg by high resolution and solid state NMR experiments".
A. Spyros and R. H. Marchessault, J. Polym. Sci. Part B: Polym. Phys. 1996, 34, 1777.(pdf)
10 "Segmental dynamics in poly(3-hydroxybutyrate-co-4-hydroxybutyrate)s above Tg: 13C Nuclear Magnetic Relaxation in the amorphous phase".
A. Spyros and R. H. Marchessault, Macromolecules, 1996, 29, 2479. (pdf)
9 "13C Nuclear Magnetic Relaxation measurements of poly(4-hydroxybutyrate) and poly(3-hydroxybutyrate-co-4-hydroxybutyrate) in the bulk".
A. Spyros, R. H. Marchessault, Macromolecules, 1995, 28, 6108. (pdf)
8 "13C Nuclear Magnetic Relaxation and local dynamics of synthetic polymers in solution and in the bulk".
P. Dais and A. Spyros, Progr. NMR Spectrosc. 1995, 27, 555. (pdf)
7 "Local chain motions of Poly((â-hydroxyoctanoate) in the bulk. 13C NMR relaxation study".
A. Spyros, P. Dais and R.H. Marchessault, J. Polym. Sci. Polym. Phys. Ed. 1995, 33, 366. (abstract)
6 "Composite spectral density functions for the interpretation of the 13C NMR relaxation behaviour of polymers containing hydrocarbon side chains. Free and restricted side chain motion".
A. Spyros and P. Dais, J. Polym. Sci. Polym. Phys. Ed. 1995, 33, 353. (abstract)
5 "Viscosity dependence of chain segmental motion and side chain internal rotation of poly(1-naphthylmethyl acrylate) in dilute solution. Carbon-13 Nuclear Magnetic Relaxation study".
A. Spyros, P. Dais and F. Heatley, Macromolecules, 1994, 27, 6207. (pdf)
4 "Chain segmental motion and sidechain internal rotations of poly(1-naphthylalkyl acrylate)s in solution studied by 13C Nuclear Magnetic Relaxation".
A. Spyros, P. Dais and F. Heatley, Macromolecules, 1994, 27, 5845. (pdf)
3 "Assignment of the 1H and 13C NMR spectra and stereochemical analysis of radical-initiated poly(1- naphthylmethyl acrylate) and poly(2-(1-naphthyl)ethyl acrylate)".
Á. Spyros, P. Dais and F.Heatley, Macromol. Chem. Phys. 1994, 195, 3271.
2 "Microstructure determination of poly(1-naphthylalkyl methacrylate)s by 13C NMR spectroscopy".
T. Radiotis, A.Spyros and P. Dais, Polymer, 1993, 34, 1846.
1 "Structure and dynamics of poly(1-naphthyl acrylate) in solution by 13C NMR spectroscopy".
A. Spyros and Photis Dais, Macromolecules, 1992, 25, 1062. (pdf)


Book Chapters

1 "CYCLCROP mapping of 13C labelled compounds: Perspectives in polymer science and plant physiology".
M. Heidenreich, A. Spyros, W. Kockenberger, N. Chandrakumar, R. Bowtell and R. Kimmich, in Spatially Resolved Magnetic Resonance, Blumler, P. Blumich, B. Botto, R. Fukushima E. (Eds), Wiley-VCH, Weinheim, 1998.

Presentations

Invited Talks
  1. "Advanced spectroscopic techniques in food quality control"
    Dept. of Agriculture, Animal Production and Marine Environment, University of Thesally, June 13, 2004, Volos, Greece.

  2. "Applications of NMR spectroscopy and Chemometrics in food analysis and quality control"
    Dept. of Human Nutrition and Dietetics, Technological Educational Institute of Crete, May 25, 2004, Sitia, Greece.

  3. "NMR spectroscopy applications in chemistry."
    Chemistry Department, University of Crete, March 31, 2004, Heraklion, Greece.

  4. "Applications of high resolution and solid state NMR spectroscopy and Magnetic Resonance Imaging."
    Chemistry Department, University of Crete, April 18 2002, Heraklion, Greece.

  5. "1H NMR imaging studies of enzymatic degradation in PHAs"
    International Symposium on Biological Polyhydroxyalkanoates '98, September 11 1998, Tokyo, Japan.

  6. "Applications of MRI in polymer science"
    Chemistry Dept. University of Crete, June 5 1998, Heraklion Crete, Greece.

  7. "NMR imaging applications to biopolymers"
    Chemistry Dept., McGill University, September 20 1997, Montreal, Quebec, Canada.

  8. "NMR imaging: Applications to polymers"
    Max-Planck-Institut fur Polymerforschung, July 16 1997, Mainz, Germany.


Conferences
  1. A. Spyros and P. Dais
    "Dynamics of poly(1-naphthyl acrylate) in solution by 13C NMR spectroscopy"
    27th Europhysics Conference on Macromolecular Physics, September 23-27, 1991, Heraklion Crete, Greece.

  2. A. Spyros, P. Dais and R. H. Marchessault
    "13C NMR spin-lattice relaxation and molecular dynamics in amorphous poly(b-hydroxyalkanoate)s"
    26th Congress Ampere on Magnetic Resonance, September 5-11, 1992, Athens, Greece.

  3. A. Spyros, P. Dais and R. H. Marchessault
    "Local segmental dynamics of poly(b-hydroxyoctanoate) in the bulk. 13C NMR relaxation study"
    NATO Advanced Study Institute on NMR of Biological Macromolecules, August 23 - September 2, 1993, Kolybari Crete, Greece.


  4. P. Dais, A. Spyros and F. Heatley
    "Multifield, temperature and viscosity dependence of local chain motions of poly(1-naphthyl acrylate)s in dilute solutions"
    11th European Symposium on Polymer Spectroscopy, July 20-22, 1994, Bajadolid, Spain.


  5. A. Spyros, P.Dais and R. H. Marchessault
    "Local segmental dynamics and side chain motion of poly(b-hydroxyoctanoate) in the amorphous state by 13C Nuclear Magnetic Relaxation"
    International Symposium on Bacterial PHAs '94, August 14-18, 1994, Montreal, Quebec, Canada.


  6. R. H. Marchessault and A. Spyros
    "Local segmental motion in random copolymers of 3- and 4-hydroxybutyrate by 13C NMR relaxation"
    13th European Experimental NMR Conference, May 19-24, 1996, Paris, France.


  7. A. Spyros, D. S. Argyropoylos and R. H. Marchessault
    "31P NMR: A new and efficient tool for determining molecular weights and studying degradation in PHAs"
    International Symposium on Bacterial PHAs '96, August 18-23, 1996, Davos, Switzerland.


  8. A. Spyros, N. Chandrakumar, R. Kimmich
    "J-cross polarization 13C-edited imaging of elastomers"
    4th International Conference on Magnetic Resonance Microscopy and Macroscopy, September 21-25, 1997, Albuquerque, New Mexico, US.


  9. A. Spyros, R. Kimmich
    "Application of imaging to the study of enzymatic degradation of poly(â-hydroxybutyrate), a biodegradable polymer"
    4th International Conference on Magnetic Resonance Microscopy and Macroscopy, September 21-25, 1997, Albuquerque, New Mexico, US.


  10. A. Spyros, R. Kimmich, B. H. Briese and D. Jendrossek
    "1H NMR imaging studies of enzymatic degradation in PHAs"
    International Symposium on Biological Polyhydroxyalkanoates '98, September 9-11, 1998, Tokyo, Japan.


  11. A. Spyros
    "Characterization of unsaturated polyester and alkyd resins by employing quantitative 31P NMR spectroscopy"
    Ampere Summer School on Applications of Magnetic Resonance in Novel Materials, September 3-9, 2000, Nafplio, Greece.


  12. P. Dais, S. Christoforidou and A. Spyros
    "Detection and quantification of polyphenol-containing olive oil model compounds by employing 31P NMR spectroscopy"
    5th International Conference on Applications of Magnetic Resonance in Food Science, September 18-20, 2000, Aveiro, Portugal.


  13. P. Dais, S. Christoforidou, A. Spyros, P. Fronimaki
    "Diglycerides, a useful index for the quality control of virgin olive oil"
    18th Panhellenic Chemistry Conference, March 10-13, 2001, Peireas, Greece.


  14. A. Spyros, P. Fronimaki, S. Christoforidou, P. Dais
    "Vegetable oils characterization and classification via chemometrics and NMR spectroscopy."
    18th Panhellenic Chemistry Conference, March 10-13, 2001, Peireas, Greece.


  15. A. Spyros
    "Characterization of polyester and alkyd resins by 1D and 2D NMR Spectroscopy.
    19th Panhellenic Chemistry Conference, November 6-10, 2002, Heraklion, Greece.


  16. P. Dais, P. Fronimaki, S. Christoforidou, A. Spyros
    "A new methodology for the determination of virgin olive oil quality and authenticity"
    19th Panhellenic Chemistry Conference, November 6-10, 2002, Heraklion, Greece.


  17. G. Vigli, P. Fronimaki, A. Spyros, P. Dais
    "Classification of vegetable oils by 31Ñ and 1Ç NMR Spectroscopy".
    19th Panhellenic Chemistry Conference, November 6-10, 2002, Heraklion, Greece.


  18. P. Dais, G. Vigli, A. Philippidis, A. Spyros.
    "Classification of edible oils by employing 31P and 1H NMR spectroscopy in combination with multivariate statistical analysis. Detection of seed oil adulteration in virgin olive oils."
    International Symposium on "The Olive Tree and the Environment", October 1-3, 2003, MAICh - Chania, Crete, Greece.


  19. P. Dais, A. Spyros, A. Philippidis.
    "Determination of storage history (age) of virgin olive oil"
    3rd Symposium on Product quality assurance and competitiveness in food industry, November 6-8, 2003, Athens, Greece.

  20. G. Fragaki, A. Spyros, G. Siragakis, P. Dais.
    "Detection of extra virgin olive oil adulteration with lampante olive oil, refined olive and olive pomace oil using NMR spectroscopy and multivariate statistical analysis"
    Chemistry, Quality of Life and Education, 8th Conference Greece-Cyprus, December 10-13, 2004, Thessaloniki, Greece


  21. A. Spyros, D. Anglos.
    "NMR spectroscopy: A new analytical tool for the study of painted artworks"
    Materials Science and Cultural Heritage, E-MRS 2005 Spring Meeting, May 31-June 3, 2005, Strasbourg, France.



    22. *Note: All electronic publications in this page are copyrighted by their respective publishers. The pdf files should be downloaded only for personal use and after obtaining the authors' consent.[back to publications]