Research and Publications

Photobiology - Photosynthesis: pigment-protein complexes

group of Prof. Rienk van Grondelle

Department of Biophysics - Vrije Universiteit

Lead / Corresponding Author

1. The Charge-Transfer Properties of the S2 State of Fucoxanthin in Solution and in Fucoxanthin Chlorophyll-a/c2Protein (FCP) based on Stark Spectroscopy and Molecular-Orbital Theory. L. Premvardhan, D. J. Sandberg, H. Fey, R. R. Birge,C. Büchel , R. van Grondelle J. Phys. Chem. B, 112, p. 11838-11853, 2008
2. The charge-transfer character of the S0->S2 transition of peridinin, the carotenoid from peridinin-chlorphyll-protien, is revealed from Stark spectroscopy L. Premvardhan, E. Papagiannakis, R.G. Hiller, R. van Grondelle J. Phys. Chem (B) 109 (32), pp 15589–15597, 2005
3. The Impact of Photon Absorption on the Electronic Properties of p-Coumaric Acid Derivatives of the Photoactive Yellow Protein Chromophore. L. Premvardhan, F. Buda, M.A. van der Horst, D.C. Luhrs, K.J. Hellingwerf, R. van Grondelle. J. Phys. Chem. B, 108(16), p. 5138-5148, 2004
4. Stark spectroscopy on Photoactive Yellow Protein, E46Q, and a non-isomerising Derivative, probes photo-induced charge motion L.L. Premvardhan, M.A. van der Horst, K.J. Hellingwerf, R. van Grondelle Biophys. J. 84, p.3226-3239, 2003
5. How light-induced charge transfer accelerates the receptor-state recovery of photoactive yellow protein from its signalling state L. Premvardhan, M.A. van der Horst, K.J. Hellingwerf, R. van Grondelle Biophys. J. Letters 89, L64-66, 2005

Co-author

1. Stark spectroscopy of the light-harvesting complex II in different oligomerisation states. M.A. Palacios, R.N. Frese, C.C. Gradinaru, I.H.M. van Stokkum, L.L. Premvardhan, P. Horton, A.V. Ruban, R. van Grondelle, H. van Amerongen Biochimica et Biophysica Acta 1605, p. 83-95, 2003

group of Dr. Bruno Robert

Department of Biology Joliot-Curie - CEA Saclay

Lead / Corresponding Author

1. Pigment organisation in the membrane-intrinsic major light-harvesting complex of Amphidinium carterae: Structural characterisation of the peridinins and chlorophylls a and c2 by resonance Raman spectroscopy and from sequence analysis. L. Premvardhan*, B. Robert and R. Hiller BBA Bioenergetics
2. Pigment content and organization in fucoxanthin chlorophyll a/c2 protein (FCP) based on resonance Raman spectroscopy and sequence analysis L. Premvardhan, B. Robert, A. Beer, C. Büchel BBA - Bioenergetics, 2010, 1797 (9), p 1647-1656
3. Carotenoids in the trimeric and oligomeric fucoxanthin chlorophyll-a/c2 proteins (FCP) from resonance Raman spectroscopy.

L. Premvardhan, L. Bordes, A. Beer, C. Büchel and B. Robert J. Phys. Chem. B 2009, 113 (37), p 12565-12574. DOI. Google scholar.

1. Carotenoid Structures and Environments in Trimeric and Oligomeric Fucoxanthin Chlorophyll a/c2 Proteins from Resonance Raman Spectroscopy

L. Premvardhan, L. Bordes, A. Beer, C. Büchel, and B. Robert J. Phys. Chem. B 2009, 113, 37, 12565–12574. DOI. Google Scholar (91 citations)

DISCO beamline

Synchrotron SOLEIL - St. Aubin

Lead / Corresponding Author

1. Pigment Organization Effects on Energy Transfer and Chl a Emission Imaged in the Diatoms C. meneghiniana and P. tricornutum in vivo: A Confocal Laser Scanning Fluorescence (CLSF) Microscopy and Spectroscopy Study. L. Premvardhan, M. Réfrégiers, C. Büchel, J. Phys. Chem. B, 2013, 117 (38), pp 11272–11281

Co-author

1. Functional heterogeneity of the fucoxanthins and fucoxanthin-chlorophyll proteins in diatom cells revealed by their electrochromic response and fluorescence and linear dichroism spectra M. Szabó, L. Premvardhan, B. Lepetit, R. Goss, C. Wilhelm, G. Garab Chemical Physics 2010

Structural analysis using Circular Dichroïsm

DISCO beamline

Synchrotron SOLEIL - St. Aubin

DISCO synchrotron-radiation circular-dichroism endstation at SOLEIL M. Réfrégiers, F. Wien, H.-P. Ta, L. Premvardhan, S. Bac, F. Jamme, V. Rouam, B. Lagarde, F. Polack, J.-L. Giorgetta, J.-P. Ricaud, M. Bordessoule A. Giuliani J. Synchrotron Rad. (2012). 19, 831-835

Centre de Biophysique Moléculaire

CBM - Orléans

1. Netropsin Binding in Five Duplex-Dimer DNA Constructs as a Function of Size and Distance between Binding Sites: Circular Dichroism (CD) and Absorption Spectroscopy L. Premvardhan and J.-C. Maurizot Eur. Biophys. J. 2010, 39 (5), p. 781

Electrostatic properties of charge-transfer systems

Excited-state Intramolecular Proton-Transfer (ESIPT)

Conducting / Insulating polymers

Charge-transfer systems and environmental effects

group of Prof. Linda Peteanu,

Department of Chemistry, Carnegie Mellon University

Doctoral Thesis

Electrostatic properties of charge-transfer systems

ISBN 0-493-11647-8 Publication number AAT 3002758 Degree PhD Date 2000, Pages 250.

Excited-state Intramolecular Proton-Transfer (ESIPT)

1. Dipolar properties of and temperature effects on the electronic states of 3-hydroxyflavone (3HF) using Stark-effect spectroscopy and compared to ab initio calculations. L.L. Premvardhan and L.A. Peteanu J. Phys. Chem. A 103 (37), p. 7506-7514, 1999
2. Electronic properties of small model compounds that undergo excited state intramolecular proton transfer as measured by electroabsorption spectroscopy. L. Premvardhan and L. Peteanu J. Photochem. Photobiol. A: Chem. 154, p. 69-79, 2002 (Special issue: Photon-initiated Proton Transfer)
3. Electroabsorption measurements and ab initio calculations of the dipolar properties of 2-(2.-hydroxyphenyl) -benzothiazole and -benzoxazole: two photostabilizers that undergo excited-state proton transfer L. Premvardhan and L. Peteanu Chem. Phys. Lett. 296 (5-6), p. 521-529, 1998.

Conducting / Insulating polymers

1. Conformational Effects on Optical charge transfer in the emeraldine base form of polyaniline from electroabsorption experiments and semiempirical calculations. L.L. Premvardhan, S. Wachsmann-Hogiu, L.A. Peteanu, D.J. Yaron, P.C. Wang, W. Wang and A.G. Macdiarmid J. Chem. Phys.115(9), p. 4359-4366, 2001
2. Electronic properties of the conducting form of polyaniline from electroabsorption measurements. L. Premvardhan, L. Peteanu, P.C. Wang and A.G. Macdiarmid Synth. Metals 116 (1-3), p. 157-161, 2001

Charge-transfer systems and environmental effects

Co-author

1. Metal to ligand charge transfer absorption in a rhenium(I) complex that contains a pi-conjugated bipyridin acceptor ligand. K.A. Walters, L. Premvardhan, Y. Liu, L.A. Peteanu and K.S. Schanze Chem. Phys. Lett. 339 (3-4), p. 255-262, 2001
2. Effects of matrix temperature and rigidity on the electronic properties of a solvatochromic molecule: An electroabsorption study of coumarin 153. A. Chowdhury, S. Locknar, L. Premvardhan and L. Peteanu J. Phys. Chem. A 103 (48), p. 9614-9625, 1999
3. Using Stark spectroscopy to probe polymer and organic glass matrices. L.A. Peteanu, A. Chowdhury, S.A. Locknar, L.L. Premvardhan Inter-American Photochemical Society Newsletter, Vol. 22(2), Nov. 1999

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