Dr. János Erostyák

    Born  1961.

    University of Pécs

    Faculty of Sciences, Institute of Physics, Department of Experimental Physics, Fluorescence Spectroscopy Group
    H-7624 Pécs, Ifjúság u. 6.
    Tel: +36-72-503600/24488,
    Fax: +36-72-501571
    Email: erostyak@fizika.ttk.pte.hu

     

Positions
Assistent professor (1984-1998),
Associate professor (1998- ),
Vice Dean, Faculty of Sciences, University of Pécs (2001- )

Degrees
1984    MSc in Physics: JATE University, Szeged, Hungary,
1998    PhD in Physics: JATE University, Szeged, Hungary

Scholarships
Bolyai reseach scholarship of the Hungarian Academy of Sciences (2000-2003)

Research interests
1984-1988    Laser induced fluorescence, intermolecular energy transfer
1988-1990    Construction of laser luminescence spectrometer, CARS investigations
2001-2005    Quantitative uran determination  in natural and radioactive waters
1990-             Intra- and intermolecular energy transfer in lanthanide complexes
1998-             Dielectric relaxations in solutions
2000-             Optical identification of wheat grain infections

2001-             Femtosecond spectroscopy
2001-             Experiments with integrating spheres

2002-             Fluorescence tracing of underground water systems
2007-             Numerical analysis of many-component solutions

Teaching experience
Lectures: Experimental optics, Modern optics, Fluorescence spectroscopy, General physics
Seminars, lab exercises: Experimental optics, Mechanics, Thermodynamics.
Supervisor for 2-3 students/year

Scientific visits
1990 University of Jyväskylä, Finland, Department of Physical Chemistry (3 months)
1993 University of California, Irvine, USA, Department of Physics (3 weeks)
2001 University of Jyväskylä, Finland, Department of Physical Chemistry (1 month)
2002 Université Paris-Sud, France, LURE CNRS-CEA (2 weeks)
2003 Université Paris-Sud, France, LURE CNRS-CEA (1 week)
2006 University of Jyväskylä, Finland, Nanoscience Center (1 month)

2009 University of Jyväskylä, Finland, Nanoscience Center (1 week)

Memberships
Eötvös Loránd Physical Society, Hungary
European Photochemistry Association
Hungarian Biophysical Society
Society of Fluorescence

     
    Selected publications
    1. G. Makkai, A. Buzády, J. Erostyák:

        Sensitivity Test of Derivative Matrix Isopotential Synchronous Fluorimetry and Least Squares Fitting Methods.

        J. Fluoresc. (2010) 20:87–94     http://dx.doi.org/10.1007/s10895-009-0526-3

    2. J. Erostyák:
        Optics and Relativity. In: Basics of Physics. (eds. J. Erostyák, J. Litz), in hungarian
        2nd edition, National Textbook Publishing House, Budapest, (2008).
    3. J. Erostyák, P. Myllyperkiö, A. Buzády, J. Korppi-Tommola:

        Sub-Picosecond Transient Signal Spectroscopy of Prodan in Dimethylformamide Solution.

        Ann. N.Y. Acad. Sci. 1130: 52-55 (2008).    doi: 10.1196/annals.1430.025

    4. S. Ndao, A. Buzády, J. Erostyák , I. Hornyák:

        Sensitized Luminescence of Trivalent Lanthanide Complexes Eu3+/Quinaldinic Acid and Eu3+/1,4-Dihydro-Oxo-Chinoline-3-Carboxilic Acid.

        J. Fluoresc. 18 (3-4) May-Jul (2008) 649-54.     http://dx.doi.org/10.1007/s10895-008-0333-2

    5. J. Erostyák, G. Makkai, A. Buzády, P. Molnár, S. V. Kukhlevsky:
        Relation between fluorescence decays and temporal evolution of excited states.
        J. Fluoresc. 16 (3) May (2006) 301-307. [PDF].
    6. T. Jávorfi, J. Erostyák, J. Gál, A. Buzády, L. Menczel, G. Garab, K. R. Naqvi:
        Quantitative spectrophotometry using integrating cavities.
        J. Photochem. Photobiol. B: Biology 82 (2006) 127–131. [PDF]
    7. J. Erostyák, T. Jávorfi, A. Buzády, K. R. Naqvi, G. Garab:
        Comparative Study of Integrating Cavity Absorption Meters.
        J. Biochem. Biophys. Methods, 69 (2006) 189–196.
        http://dx.doi.org/10.1016/j.jbbm.2006.03.010
    8. A. Buzády, J. Erostyák, G. Paál:
        Determination of Uranine Tracer Dye from Underground Water of Mecsek Hill, Hungary.
        J. Biochem. Biophys. Methods, 69 (2006) 207–214.
        http://dx.doi.org/10.1016/j.jbbm.2006.05.009
    9. Erostyák J.:
        Fénytan. Fizika III. (szerk. Erostyák J.és Litz J.), in hungarian
        Egyetemi tankönyv. Nemzeti tankönyvkiadó, Budapest, (2006).
    10. Erostyák J.:
        Rugalmas alakváltozások. Hullámtan. Hangtan. Fizika I. (szerk. Erostyák J.és Litz J.), in hungarian
        Egyetemi tankönyv. Nemzeti tankönyvkiadó, Budapest, (2005).
    11. J. Erostyák, L. Kozma:
        Optics. In: General physics III. (ed. J. Litz). Corrected, 2nd edition, in hungarian
        Dialóg-Campus Press, Pécs, (2003). pp.1-283.
    12. J. Erostyák:
        Optics and Relativity. In: Basics of Physics. (eds. J. Erostyák, J. Litz), in hungarian
        National Textbook Publishing House, Budapest, (2003).
    13. A. Buzády, J. Savolainen, J. Erostyák, P. Myllyperkiö, B. Somogyi, J. Korppi-Tommola:
        Femtosecond transient absorption study of excitation relaxation of an acrylodan dye in solution and attached to human serum albumin.
        J. Phys. Chem. B, (2003), 107, 1208-1214. [PDF]
    14. A. Buzády, J. Erostyák, B. Somogyi:
        Phase–fluorometry study on dielectric relaxation of acrylodan–labeled human serum albumin.
        Biophys. Chem., 94/1-2 (2001) 75-85. [PDF]
    15. A. Buzády, J. Erostyák, B. Somogyi:
        Phase-fluorimetry study on dielectric relaxation of human serum albumin.
        Biophys. Chem., 88 (2000) 153-163. [PDF]
    16. J. Erostyák, L. Kozma:
        Optics. In: General physics III. (ed. J. Litz). 1st edition.
        Dialóg-Campus Press, Pécs, (2000). pp.1-283.
    17. S.V. Kukhlevsky, J. Kaiser, O. Samek, M. Liska, J. Erostyák:
        Stark spectroscopy measurements of electron density of ablative discharges in Teflon-(CF2)n capillaries.
        J. Phys. D:Appl. Phys. 33 (2000) p. 1-3.
    18. J. Erostyák, A. Buzády, I. Hornyák, L. Kozma:
        Sensitized luminescence of Eu3+/La3+/cinnamic acid mixed complex. Comparison to Eu3+/Gd3+/cinnamic acid mixed complex.
        J. Photochem. Photobiol. A: Chemistry. 121 (1999) p. 43-48. [PDF]
    19. J. Erostyák, A. Buzády, I. Hornyák, L. Kozma:
        Sensitized luminescence of Eu3+/Gd3+/cinnamic acid mixed complex.
        J. Photochem. Photobiol. A: Chemistry. 115 (1998) p. 21-26. [PDF]
    20. M. Koós, I. Pócsik, J. Erostyák, A. Buzády:
        Amorphous Carbon Luminescence; Excitation and Emission in a Broad Energy Range.
        Journal of Non-Crystalline Solids. Vol.: 227-230, pp.: 579-582 (1998). [PDF] .
    21. I. Hornyák, J. Erostyák, A. Buzády, A. Kaszás, L. Kozma:
        Enhanced fluorimetric determination of samarium with dibenzoylmethane and diphenylguanidine by gadolinium.
        Spectr. Letters, 30(7), 1475-1483 (1997).
    22. J. Erostyák, A. Buzády, A. Kaszás, L. Kozma, I. Hornyák:
        Time-Resolved Study of Intramolecular Energy Transfer in Eu3+-, Tb3+/b-diketone/o-Phen-anthroline Complexes in Aqueous Micellar Solutions.
        J. of  Luminescence., 72-74, (1997) pp. 570-571. [PDF]
    23. J. L. Cantin, M. Schoisswohl, A. Grosman, S. Lebib, C. Ortega, H. J. von Bardeleben, É. Vázsonyi, G. Jalsovszky, J. Erostyák:
        Anodic oxidation of p- and p+-type porous silicon: surface structural transformations and oxide formation.
        Thin Solid Films, 276 (1996) pp. 76-79. [PDF]
    24. J. Erostyák, A. Buzády, L. Kozma, I. Hornyák:
        Time–resolved luminescence of Eu(III)/Thenoyltrifluoroacetone/Surfactant systems in aqueous solutions.
        Spectr. Letters, 28(3) (1995) pp.473-487
    25. T.O. Harju, J. Erostyák, Y.L. Chow, J.E.I. Korppi–Tommola:
        The isomerization reaction of electronically excited (dibenzylmethine) borondifluoride in n–alcohols. Study of microscopic friction and polarity.
        Chem. Phys., 181 (1994) pp.259–270.
    26. V. Helenius, J. Erostyák, J.E.I. Korppi–Tommola:
        Aggregation of Chlorophyll a in Hydrocarbon Solution.
        Inst. Phys. Conf. Ser. No 126: Section VIII. (1992) 623-626. p623, p624, p625, p626

    27. L. Kozma, I. Hornyák, J. Erostyák, B. Német:

        Study of Fluorescent Properties of Salicyl Acid Derivates in Solutions. (Isszledovanyije fluoreszcentnih szvojsztv proizvodnih szalicilovoj kiszloti v rasztvorah.)

        Zsurnal Prikladnoj Spektroskopii, 2 (1990), Tom. 53., pp. 259-264.