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Prof.Dr. DEMET GÜLEN (RETIRED)
FACULTY OF ARTS AND SCIENCES
PublicationsResearchMembership & Awards
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Education

  Bachelor's, Hacettepe Universitesi, Physics Engineering

Publications (INTERNATIONAL)

Journal Papers

  A.1 Gulen, D., van Grondelle, R. , van Amerongen, H., Structural information on the light-harvesting complex of green plants that can be deciphered from polarized absorption characteristics. "J. Phys. Chem. B", 101, (1997), p.7256-7261.
  A.2 Gradinaru, C., Ozdemir, S., Gulen, D.,...(6 yazar), Flow of excitation energy in LHCII monomers. Implications for the structural model of major plant antenna.. "Biophysical Journal", 75, (1998), p.3064-3077.
  A.3 İşeri Erkut İnan and Gülen Demet, Electronic excited states and excitation transfer kinetics in the FMO protein complex of the photosynthetic bacterium Prosthecochloris aestuarii at low temperatures. "Eur. Biophys. J.", 28, (1999), p.243-252.
  A.4 Eİ İşeri, D Albayrak and D Gülen, Electronic excited states of the CP29 antenna complex of green plants: a model based on exciton calculations. "Journal of Biological Physics", 26, (2001), p.321-339.
  A.5 Eİ İşeri and D Gülen, Chlorophyll transition dipole moment orientations and pathways for flow of excitation energy among the chlorophylls. "European Biophysics Journal", 30, (2001), p.344-353.
  A.6 Robert S. Knox, Demet Gülen, Katie E. Lotterhos, Effect of inhomogenous broadening on optical anisotropy of a square-symmetric molecule. "Chem. Phys. Lett.", 361, (2002), p.285-290.
  A.7 Wendling, Pryzjalgowski, Gullen (Gulen), Vulto, Aartsma, van Grondelle, van Amer, The quantitative relationship between structure and polarized spectroscopy in the FMO complex of Prosthecochloris aestuarii. Refining experiments and theory. "Photosynthesis Research", 71, (2002), p.99-123.
  A.8 Yıldırım H., Iseri Eİ, Gülen Demet, A quantitative analysis of excitonic superhyperchromism in porphyrin J-/H-aggregates. "Chem. Phys. Lett.", 391, (2004), p.302-307.
  A.9 Demet Gülen, Significance of the excitonic intensity borrowing in the J-/H-aggregates of bacteriochlorophylls/chlorophylls . "PHOTOSYNTHESIS RESEARCH", 87, (2006), p.205-214.
  A.10 Burak Birkan, Demet Gülen, Serdar Özçelik,, “Controlled formation of the two-dimensional TTBC J-aggregates in an aqueous solution.”. "J. Phys Chem. B", 110, (2006), p.10805-10813.
  A.11 Serdar Özçelik, Demet Gülen, Polarized absorption spectra of highly oriented two-dimensional aggregates of tetrachlorobenzimidazolocarbocyanine in thin films. "Journal of Luminescence", 128, (2008), p.871-874.
  A.12 Demet Gülen, Serdar Özçelik, Absorption spectrum of monomeric pseudoisocyanine: A new perspective and its implications for formation and spectral response of J-aggregates in solution and in thin films . "Journal of Luminescence", 128, (2008), p.834-838.
  A.13 Gulen D, Atasoylu O, Ozcelik S, Investigation of structure-spectroscopy-function relationship of two-dimensional J-aggregates of tetrachlorobenzimidazolocarbocyanine preferentially oriented in poly-vinyl-alcohol thin films . "CHEMICAL PHYSICS", 355, (2009), p.73-80.
  A.14 Gulen D, An Alternative Interpretation for the Spectral Response of Self-Assembled Pseudoisocyanine J-Aggregates in Aqueous Solution . "JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE", 6, (2009), p.834-840.
  A.15 Gülen D, A Numerical Spectroscopic Investigation on the Functionality of Molecular Excitons in Tuning the Plasmonic Splitting Observed in Core/Shell Hybrid Nanostructures . "Journal of Physical Chemistry C", 114, (2010), p.13825-13831.
 

Conference Papers

  A.1 Iseri, E. I. and Gulen, D., Low-temperature excitation transfer in the FMO complex. Simulations.. " Proc. of XIth Int. Cong. on Photosyn.", 1, (1998), p.4.
  A.2 Gradinaru, C.C, Ozdemir, S., Gulen, D., ...., Correlating femtosecond spectroscopy to structure for the main light-harvesting complex of the higher plants, LHCII.. "ESF Int. Workshop on LHCs", ***, (1998), p.***.
  A.3 Iseri, Erkut Inan and Gulen D., Low-temperature excitation transfer in the FMO complex. Simulations. "XIth Int. Cong. on Photosynthesis", ***, (1998), p.***.
  A.4 Iseri, Erkut Inan and Gulen Demet, Low-temperature electronic excitation transfer in the FMO complex. Simulations. "ESF Int. Workshop on LHCs", ***, (1998).
  A.5 İşeri Erkut İnan and Demet Gülen, Electronic excited states and excitation transfer kinetics in the Fenna-Matthews-Olson complexes of photosynthetic green sulphur bacteria at low temperatures. "Colloquium Spectropicum Internationale XXI", (1999), p.275.
  A.6 İşeri Erkut İnan, Albayrak Duygu, Gülen Demet, Chlorophyll transition dipole moment orientations and pathways for flow of excitation energy among the chlorophylls in CP29 and LHCII. "Abstract Book of the 1st General Meeting of the ESF/ULTRA Programme, 22-25 October 2000, Coimbra, Po", (2000), p.23.
  A.7 Erkut İnan İşeri, Duygu Albayrak, Demet Gülen, Electronic excited states of the CP29 and LHCII antenna complexes of green plants. "Book of Abstracts-Photophysics and Photochemistry 2000, 18-21 Ekim 2000,", (2000), p.177.
  A.8 JE Dawson, LA Allaire, D Gülen and RS Knox, Optical anisotropy of interacting chromophores in protein complexes:exploration of a stochastic theory.. "Eastern Regional Photosynthesis Conference, Woods Hole, MA, USA. April 2001.", (2001).
  A.9 AS Taisova, D Gulen, EI Iseri, VA Drachev, TA Cherenkova, ZG Fetisova, Antenna-size dependent hyperchromism of the Qy absorption band of chlorosomal oligomeric bacteriochlorophyll (BChl) c antennae of green bacteria . "XIIth International Congress of Photosynthesis", (2001).
  A.10 ZG Fetisova, AG Yakovlev, AS Taisova, D Gülen and Eİ İşeri, A strategy for surviving in photosynthesis: optimization of the antenna structure.. "Abstract Book of the Satellite Meeting of the XIIth International Photosynthesis Congress-Evolution", (2001).
  A.11 Wendling, Pryalgowski, Gülen, Vulto, Aartsma, van Grondelle, van Amerongen, The quantitative relationship between structure and polarized spectroscopy in the FMO complex of Prosthecocloris aestuarii: refining experiments and simulations.. "Satellite Meeting of the XIIth International Photosynthesis Congress-Light-harvesting 2001", (2001).
  A.12 Taisova, D. Gülen , E.İ. İşeri, Drachev, Cherenkova, .Fetisova, “Antenna-size dependent hyperchromism of the Qy absorption band of the chlorosomal oligomeric bacteriochlorophyll (BChl) c antenna of the green bacteria". "The 1st Congress of Photobiologists of Russia, Voronez, Russia", (2001).
  A.13 Eİ İşeri and D Gülen, Structure-spectroscopy relationship in the LHCII: a model study on the chlorophyll transition dipole moment orientations and flow of excitation energy among the chlorophylls.. "XIIth International Congress of Photosynthesis", (2001).
  A.14 Katie E. Lotterhos, Robert S. Knox, and Demet Gülen, Effect of inhomogenous broadening on optical anisotropy in magnesium tetraphenyl porphyrin. "Eastern Regional Photosynthesis Conference-Woods Hole", (2002).
  A.15 van Amerongen, Wendling, Przyjalgowski, Palacios, van Grondelle,Aartsma,Vu...., The relation between structure and polarized spectroscopy of the FMO complex of Prosthecochloris aestuarii. "EMBO Workshop on Green and Heliobacteria, April 19-23, 2002, Passau,", (2002).
  A.16 Gulen, Knox, Lotterhos, Applications of a stochastic Liouville Equation formalism on sweveral systems: square symmetric molecules and phototosynthetic antennae. "ESF Workshop/ Ultrafast time domain of organic semiconductors and supramolecular functions", (2002).
  A.17 Yıldırım, Iseri. Gulen, Antenna size dependent hyperchromism of the Qy absorption band of linear and tubular Bcl c aggregates. "ESF Workshop-Femtosecond dynamics in photosynthesic light harvesting complexes", (2002).
  A.18 Demet Gülen , Robert S. Knox , and Katie E. Lotterhos, Effect of inhomogenous broadening on the optical anisotropy of magnesium tetraphenyl porphyrin . "ESF Workshop-Femtosecond dynamics in photosynthesic light harvesting complexes", (2002).
  A.19 İşeri, Wendling, Palacios,van Grondelle,Aartsma,Vulto,Gülen, van Amerongen, Spectroscopic measurements and spectral simulations of the FMO protein from Chlorobium tepidum . "ESF Workshop-Femtosecond dynamics in photosynthesic light harvesting complexes", (2002).
  A.20 Gülen Demet, Özçelik Serdar, Absorption spectrum of monomeric pseudoisocyanine. A New perspective and its implications for formation and spectral response of J-aggregates in solution and in thin films. "16th International Conference on Dynamical Processes in Excited States of Solids", -, (2007), p.177.
  A.21 Özçelik Serdar, Gülen Demet, Polarized absorption spectra of highly oriented two-dimensional J-aggregates of tetrachlorobenzimidazolocarbocyanine in thin films. "16th International Conference on Dynamical Processes in Excited States of Solids", -, (2007), p.199.
  A.22 Gülen D, Özçelik S, Atasoylu O., Investigation of strucrure spectroscopy function relationship in self-assembled cyanine aggregates. "Proceedings of International Conference on Nanomaterials and nanosystems -NANOMATS09", 1, (2009), p.Oral45.

Publications (NATIONAL)

 

Journal Papers

  A.1 Iseri Erkut Inan and Gulen Demet, Absorption and linear dichroism of Fenna-Matthews-Olson pigment-protein complex of Prosthecochloris aestuarii: An exciton model.. "Doga-Tr. Jnl. of Physics", 21, (1997), s.1129-1140.
 

Conference Papers

  A.1 Yıldırım H., Birkan B., Gülen D., Özçelik S., Ayarlanabilir optik özelliklere sahip moleküler kümelerin kontrol edilebilir oluşumu ve eksitonik özellikleri. "Yoğun Madde Fiziği Ankara Toplantısı", (2004).
  A.2 Demet Gülen, An alternative interpretation for the spectral response of self-assembled pseudoisocyanine J-aggregates. "Proceedings of the International Workshop on Ultrafast Chemical Physics (UCP08)", (2008), s.45.
  A.3 Gülen D, Functionality of Excitons in Tuning Plasmonic Response of Core/Shell Hybrid Nanostructures. "Proceedings of NanoTR6-6. Nanobilim ve Nanoteknoloji Konferansı", (2010).
  A.4 Demet Gülen, Functionality of excitons in tuning plasmonic response of core/shell hybrid nanostructures. "Surface Plasmon Photonics 5", (2011).
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