Arvi Freiberg - Publications

Affiliations: 
University of Tartu, Estonia 

109 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2023 Timpmann K, Rätsep M, Freiberg A. Dominant role of excitons in photosynthetic color-tuning and light-harvesting. Frontiers in Chemistry. 11: 1231431. PMID 37908232 DOI: 10.3389/fchem.2023.1231431  0.36
2020 Reimers JR, Rätsep M, Freiberg A. Asymmetry in the Fluorescence and Absorption Spectra of Chlorophyll Pertaining to Exciton Dynamics. Frontiers in Chemistry. 8: 588289. PMID 33344415 DOI: 10.3389/fchem.2020.588289  0.385
2020 Leiger K, Linnanto JM, Freiberg A. Establishment of the Absorption Spectrum of Chlorophyll Extending to Near-Infrared. Molecules (Basel, Switzerland). 25. PMID 32825445 DOI: 10.3390/Molecules25173796  0.457
2020 Kangur L, Rätsep M, Timpmann K, Wang-Otomo ZY, Freiberg A. The two light-harvesting membrane chromoproteins of Thermochromatium tepidum expose distinct robustness against temperature and pressure. Biochimica Et Biophysica Acta. Bioenergetics. 1861: 148205. PMID 32305413 DOI: 10.1016/J.Bbabio.2020.148205  0.421
2020 Timpmann K, Jalviste E, Chenchiliyan M, Kangur L, Jones MR, Freiberg A. High-pressure tuning of primary photochemistry in bacterial photosynthesis: membrane-bound versus detergent-isolated reaction centers. Photosynthesis Research. PMID 32095925 DOI: 10.1007/S11120-020-00724-Z  0.413
2020 Jalviste E, Timpmann K, Chenchiliyan M, Kangur L, Jones MR, Freiberg A. High-Pressure Modulation of Primary Photosynthetic Reactions. The Journal of Physical Chemistry. B. PMID 31917566 DOI: 10.1021/Acs.Jpcb.9B09342  0.399
2019 Rätsep M, Linnanto JM, Muru R, Biczysko M, Reimers JR, Freiberg A. Absorption-emission symmetry breaking and the different origins of vibrational structures of the Q and Q electronic transitions of pheophytin a. The Journal of Chemical Physics. 151: 165102. PMID 31675888 DOI: 10.1063/1.5116265  0.426
2019 Rätsep M, Linnanto JM, Freiberg A. Higher Order Vibronic Sidebands of Chlorophyll and Bacteriochlorophyll for Enhanced Excitation Energy Transfer and Light Harvesting. The Journal of Physical Chemistry. B. 123: 7149-7156. PMID 31356081 DOI: 10.1021/Acs.Jpcb.9B06843  0.483
2019 Golub M, Pieper J, Peters J, Kangur L, Martin EC, Hunter CN, Freiberg A. Picosecond Dynamical Response to a Pressure-Induced Break of the Tertiary Structure Hydrogen Bonds in a Membrane Chromoprotein. The Journal of Physical Chemistry. B. PMID 30739452 DOI: 10.1021/Acs.Jpcb.8B11196  0.317
2019 Leiger K, Linnanto JM, Rätsep M, Timpmann K, Ashikhmin AA, Moskalenko AA, Fufina TY, Gabdulkhakov AG, Freiberg A. Controlling Photosynthetic Excitons by Selective Pigment Photooxidation. The Journal of Physical Chemistry. B. 123: 29-38. PMID 30543422 DOI: 10.1021/Acs.Jpcb.8B08083  0.458
2019 Pajusalu M, Rätsep M, Kangur L, Freiberg A. High-pressure control of photosynthetic excitons Chemical Physics. 525: 110404. DOI: 10.1016/J.Chemphys.2019.110404  0.48
2018 Kangur L, Timpmann K, Zeller D, Masson P, Peters J, Freiberg A. Structural Stability of Human Butyrylcholinesterase under High Hydrostatic Pressure. Biochimica Et Biophysica Acta. Proteins and Proteomics. PMID 30414450 DOI: 10.1016/J.Bbapap.2018.11.001  0.345
2018 Pieper J, Artene P, Rätsep M, Pajusalu M, Freiberg A. Evaluation of Electron-Phonon Coupling and Spectral Densities of Pigment-Protein Complexes by Line-Narrowed Optical Spectroscopy. The Journal of Physical Chemistry. B. 122: 9289-9301. PMID 30125502 DOI: 10.1021/Acs.Jpcb.8B05220  0.424
2018 Rätsep M, Muru R, Freiberg A. High temperature limit of photosynthetic excitons. Nature Communications. 9: 99. PMID 29311621 DOI: 10.1038/S41467-017-02544-7  0.427
2017 Rätsep M, Timpmann K, Kawakami T, Wang-Otomo ZY, Freiberg A. Spectrally Selective Spectroscopy of Native Ca-Containing and Ba-Substituted LH1-RC Core Complexes from Thermochromatium tepidum. The Journal of Physical Chemistry. B. 121: 10318-10326. PMID 29058423 DOI: 10.1021/Acs.Jpcb.7B07841  0.458
2017 Leiger K, Linnanto JM, Freiberg A. Vibronic Origin of the Q Absorption Tail of Bacteriochlorophyll a Verified by Fluorescence Excitation Spectroscopy and Quantum Chemical Simulations. The Journal of Physical Chemistry Letters. 8: 4231-4235. PMID 28820595 DOI: 10.1021/Acs.Jpclett.7B01704  0.488
2017 Kangur L, Jones MR, Freiberg A. Hydrogen bonds in the vicinity of the special pair of the bacterial reaction center probed by hydrostatic high-pressure absorption spectroscopy. Biophysical Chemistry. PMID 28438349 DOI: 10.1016/J.Bpc.2017.04.003  0.31
2017 Timpmann K, Kangur L, Lõhmus A, Freiberg A. High-pressure modulation of the structure of the bacterial photochemical reaction center at physiological and cryogenic temperatures Journal of Physics B. 50: 144006. DOI: 10.1088/1361-6455/Aa77E4  0.317
2016 Freiberg A, Chenchiliyan M, Rätsep M, Timpmann K. Spectral and kinetic effects accompanying the assembly of core complexes of Rhodobacter sphaeroides. Biochimica Et Biophysica Acta. 1857: 1727-1733. PMID 27514285 DOI: 10.1016/J.Bbabio.2016.08.001  0.523
2016 Reimers JR, Biczysko M, Bruce D, Coker DF, Frankcombe TJ, Hashimoto H, Hauer J, Jankowiak R, Kramer T, Linnanto J, Mamedov F, Müh F, Rätsep M, Renger T, Styring S, ... ... Freiberg A, et al. Challenges facing an understanding of the nature of low-energy excited states in photosynthesis. Biochimica Et Biophysica Acta. PMID 27372198 DOI: 10.1016/J.Bbabio.2016.06.010  0.341
2016 Chenchiliyan M, Timpmann K, Jalviste E, Adams PG, Hunter CN, Freiberg A. Dimerization of core complexes as an efficient strategy for energy trapping in Rhodobacter sphaeroides. Biochimica Et Biophysica Acta. 1857: 634-42. PMID 27013332 DOI: 10.1016/J.Bbabio.2016.03.020  0.437
2016 Leiger K, Freiberg A. Erratum to: Up-converted fluorescence from photosynthetic light-harvesting complexes linearly dependent on excitation intensity. Photosynthesis Research. 127: 89. PMID 25832781 DOI: 10.1007/s11120-015-0133-x  0.335
2016 Leiger K, Freiberg A. Up-converted fluorescence from photosynthetic light-harvesting complexes linearly dependent on excitation intensity. Photosynthesis Research. 127: 77-87. PMID 25764015 DOI: 10.1007/S11120-015-0117-X  0.484
2015 Pajusalu M, Kunz R, Rätsep M, Timpmann K, Köhler J, Freiberg A. Unified analysis of ensemble and single-complex optical spectral data from light-harvesting complex-2 chromoproteins for gaining deeper insight into bacterial photosynthesis. Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics. 92: 052709. PMID 26651725 DOI: 10.1103/Physreve.92.052709  0.43
2015 Puusepp M, Kangur L, Freiberg A. Dissociation of the light-harvesting membrane protein complex I from Rhodobacter sphaeroides under high hydrostatic pressure High Pressure Research. 35: 176-180. DOI: 10.1080/08957959.2015.1017817  0.386
2014 Rätsep M, Pajusalu M, Linnanto JM, Freiberg A. Subtle spectral effects accompanying the assembly of bacteriochlorophylls into cyclic light harvesting complexes revealed by high-resolution fluorescence spectroscopy. The Journal of Chemical Physics. 141: 155102. PMID 25338912 DOI: 10.1063/1.4897637  0.466
2014 Timpmann K, Chenchiliyan M, Jalviste E, Timney JA, Hunter CN, Freiberg A. Efficiency of light harvesting in a photosynthetic bacterium adapted to different levels of light. Biochimica Et Biophysica Acta. 1837: 1835-46. PMID 24984074 DOI: 10.1016/J.Bbabio.2014.06.007  0.489
2014 Kunz R, Timpmann K, Southall J, Cogdell RJ, Freiberg A, Köhler J. Single-molecule spectroscopy unmasks the lowest exciton state of the B850 assembly in LH2 from Rps. acidophila. Biophysical Journal. 106: 2008-16. PMID 24806933 DOI: 10.1016/J.Bpj.2014.03.023  0.48
2014 Reimers JR, Cai ZL, Kobayashi R, Rätsep M, Freiberg A, Krausz E. Formation of water-chlorophyll clusters in dilute samples of chlorophyll-a in ether at low temperature. Physical Chemistry Chemical Physics : Pccp. 16: 2323-30. PMID 24352346 DOI: 10.1039/C3Cp53729C  0.405
2014 Pajusalu M, Rätsep M, Freiberg A. Temperature dependent electron–phonon coupling in chlorin-doped impurity glass and in photosynthetic FMO protein containing bacteriochlorophyll a Journal of Luminescence. 152: 79-83. DOI: 10.1016/J.Jlumin.2013.12.011  0.44
2013 Reimers JR, Cai ZL, Kobayashi R, Rätsep M, Freiberg A, Krausz E. Assignment of the Q-bands of the chlorophylls: coherence loss via Qx - Qy mixing. Scientific Reports. 3: 2761. PMID 24067303 DOI: 10.1038/Srep02761  0.474
2013 Kunz R, Timpmann K, Southall J, Cogdell RJ, Köhler J, Freiberg A. Fluorescence-excitation and emission spectra from LH2 antenna complexes of Rhodopseudomonas acidophila as a function of the sample preparation conditions. The Journal of Physical Chemistry. B. 117: 12020-9. PMID 24033126 DOI: 10.1021/Jp4073697  0.538
2013 Leiger K, Reisberg L, Freiberg A. Fluorescence micro-spectroscopy study of individual photosynthetic membrane vesicles and light-harvesting complexes. The Journal of Physical Chemistry. B. 117: 9315-26. PMID 23859536 DOI: 10.1021/Jp4014509  0.473
2013 Kunz R, Timpmann K, Southall J, Cogdell RJ, Freiberg A, Köhler J. Fluctuations in the electron-phonon coupling of a single chromoprotein. Angewandte Chemie (International Ed. in English). 52: 8726-30. PMID 23824672 DOI: 10.1002/Anie.201303231  0.43
2013 Freiberg A, Pajusalu M, Rätsep M. Excitons in intact cells of photosynthetic bacteria. The Journal of Physical Chemistry. B. 117: 11007-14. PMID 23379598 DOI: 10.1021/Jp3098523  0.441
2012 Freiberg A, Kangur L, Olsen JD, Hunter CN. Structural implications of hydrogen-bond energetics in membrane proteins revealed by high-pressure spectroscopy. Biophysical Journal. 103: 2352-60. PMID 23283234 DOI: 10.1016/J.Bpj.2012.10.030  0.376
2012 Kunz R, Timpmann K, Southall J, Cogdell RJ, Freiberg A, Köhler J. Exciton self trapping in photosynthetic pigment-protein complexes studied by single-molecule spectroscopy. The Journal of Physical Chemistry. B. 116: 11017-23. PMID 22908848 DOI: 10.1021/Jp3040456  0.489
2012 Freiberg A, Rätsep M, Timpmann K. A comparative spectroscopic and kinetic study of photoexcitations in detergent-isolated and membrane-embedded LH2 light-harvesting complexes. Biochimica Et Biophysica Acta. 1817: 1471-82. PMID 22172735 DOI: 10.1016/J.Bbabio.2011.11.019  0.425
2011 Linnanto J, Freiberg A, Korppi-Tommola J. Quantum chemical simulations of excited-state absorption spectra of photosynthetic bacterial reaction center and antenna complexes. Journal of Physical Chemistry B. 115: 5536-5544. PMID 21466178 DOI: 10.1021/Jp111340W  0.518
2011 Pieper J, Rätsep M, Trostmann I, Paulsen H, Renger G, Freiberg A. Excitonic energy level structure and pigment-protein interactions in the recombinant water-soluble chlorophyll protein. I. Difference fluorescence line-narrowing. Journal of Physical Chemistry B. 115: 4042-4052. PMID 21417350 DOI: 10.1021/Jp111455G  0.475
2011 Pajusalu M, Rätsep M, Trinkunas G, Freiberg A. Davydov splitting of excitons in cyclic bacteriochlorophyll a nanoaggregates of bacterial light-harvesting complexes between 4.5 and 263 K. Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry. 12: 634-44. PMID 21275034 DOI: 10.1002/Cphc.201000913  0.555
2011 Rätsep M, Cai ZL, Reimers JR, Freiberg A. Demonstration and interpretation of significant asymmetry in the low-resolution and high-resolution Q(y) fluorescence and absorption spectra of bacteriochlorophyll a. The Journal of Chemical Physics. 134: 024506. PMID 21241119 DOI: 10.1063/1.3518685  0.466
2011 Pieper J, Rätsep M, Trostmann I, Schmitt FJ, Theiss C, Paulsen H, Eichler HJ, Freiberg A, Renger G. Excitonic energy level structure and pigment-protein interactions in the recombinant water-soluble chlorophyll protein. II. Spectral hole-burning experiments Journal of Physical Chemistry B. 115: 4053-4065. DOI: 10.1021/Jp111457T  0.482
2011 Renge I, Rätsep M, Freiberg A. Intermolecular repulsive–dispersive potentials explain properties of impurity spectra in soft solids Journal of Luminescence. 131: 262-265. DOI: 10.1016/J.Jlumin.2010.10.008  0.37
2010 ?ener M, Strümpfer J, Timney JA, Freiberg A, Hunter CN, Schulten K. Photosynthetic vesicle architecture and constraints on efficient energy harvesting Biophysical Journal. 99: 67-75. PMID 20655834 DOI: 10.1016/J.Bpj.2010.04.013  0.457
2010 Freiberg A, Timpmann K, Trinkunas G. Spectral fine-tuning in excitonically coupled cyclic photosynthetic antennas Chemical Physics Letters. 500: 111-115. DOI: 10.1016/J.Cplett.2010.09.084  0.474
2009 Pieper J, Rätsep M, Irrgang KD, Freiberg A. Chromophore-chromophore and chromophore-protein interactions in monomeric light-harvesting complex II of green plants studied by spectral hole burning and fluorescence line narrowing. The Journal of Physical Chemistry. B. 113: 10870-80. PMID 19719274 DOI: 10.1021/Jp900836P  0.484
2009 Rätsep M, Linnanto J, Freiberg A. Mirror symmetry and vibrational structure in optical spectra of chlorophyll a. The Journal of Chemical Physics. 130: 194501. PMID 19466837 DOI: 10.1063/1.3125183  0.497
2009 Rätsep M, Pajusalu M, Freiberg A. Wavelength-dependent electron–phonon coupling in impurity glasses Chemical Physics Letters. 479: 140-143. DOI: 10.1016/J.Cplett.2009.07.094  0.446
2009 Freiberg A, Rätsep M, Timpmann K, Trinkunas G. Excitonic polarons in quasi-one-dimensional LH1 and LH2 bacteriochlorophyll a antenna aggregates from photosynthetic bacteria : A wavelength-dependent selective spectroscopy study Chemical Physics. 357: 102-112. DOI: 10.1016/J.Chemphys.2008.10.043  0.529
2008 Kangur L, Timpmann K, Freiberg A. Stability of integral membrane proteins under high hydrostatic pressure: the LH2 and LH3 antenna pigment-protein complexes from photosynthetic bacteria. The Journal of Physical Chemistry. B. 112: 7948-55. PMID 18537288 DOI: 10.1021/Jp801943W  0.427
2008 Rätsep M, Pieper J, Irrgang KD, Freiberg A. Excitation wavelength-dependent electron-phonon and electron-vibrational coupling in the CP29 antenna complex of green plants. The Journal of Physical Chemistry. B. 112: 110-8. PMID 18067279 DOI: 10.1021/Jp075170D  0.459
2008 Ellervee A, Freiberg A. Formation of bacteriochlorophyll a coordination states under external high-pressure Chemical Physics Letters. 450: 386-390. DOI: 10.1016/J.Cplett.2007.11.021  0.364
2007 Leiger K, Freiberg A, Dahlbom MG, Hush NS, Reimers JR. Pressure-induced spectral changes for the special-pair radical cation of the bacterial photosynthetic reaction center. The Journal of Chemical Physics. 126: 215102. PMID 17567219 DOI: 10.1063/1.2739513  0.456
2007 Rätsep M, Freiberg A. Electron–phonon and vibronic couplings in the FMO bacteriochlorophyll a antenna complex studied by difference fluorescence line narrowing Journal of Luminescence. 127: 251-259. DOI: 10.1016/J.Jlumin.2007.02.053  0.502
2007 Rätsep M, Freiberg A. Unusual temperature quenching of bacteriochlorophyll a fluorescence in FMO antenna protein trimers Chemical Physics Letters. 434: 306-311. DOI: 10.1016/J.Cplett.2006.12.013  0.495
2006 Trinkunas G, Freiberg A. A disordered polaron model for polarized fluorescence excitation spectra of LH1 and LH2 bacteriochlorophyll antenna aggregates Journal of Luminescence. 119: 105-110. DOI: 10.1016/J.Jlumin.2005.12.060  0.416
2006 Pettai H, Oja V, Freiberg A, Laisk A. Response to the “Comments to water-splitting activity of Photosystem II by far-red light in green plants” by H.-W. Trissl Biochimica Et Biophysica Acta. 1757: 158-159. DOI: 10.1016/J.Bbabio.2006.02.008  0.409
2005 Rätsep M, Hunter CN, Olsen JD, Freiberg A. Band structure and local dynamics of excitons in bacterial light-harvesting complexes revealed by spectrally selective spectroscopy Photosynthesis Research. 86: 37-48. PMID 16172924 DOI: 10.1007/S11120-005-2749-8  0.505
2005 Pettai H, Oja V, Freiberg A, Laisk A. The long-wavelength limit of plant photosynthesis. Febs Letters. 579: 4017-9. PMID 16004989 DOI: 10.1016/J.Febslet.2005.04.088  0.351
2005 Pettai H, Oja V, Freiberg A, Laisk A. Photosynthetic activity of far-red light in green plants. Biochimica Et Biophysica Acta. 1708: 311-21. PMID 15950173 DOI: 10.1016/J.Bbabio.2005.05.005  0.473
2005 Trinkunas G, Freiberg A. Abrupt exciton self-trapping in finite and disordered one-dimensional aggregates Journal of Luminescence. 112: 420-423. DOI: 10.1016/J.Jlumin.2004.09.040  0.359
2005 Timpmann K, Trinkunas G, Qian P, Hunter CN, Freiberg A. Excitons in core LH1 antenna complexes of photosynthetic bacteria: Evidence for strong resonant coupling and off-diagonal disorder Chemical Physics Letters. 414: 359-363. DOI: 10.1016/J.Cplett.2005.08.094  0.471
2004 Gall A, Ellervee A, Robert B, Freiberg A. The effect of internal voids in membrane proteins: high-pressure study of two photochemical reaction centres from Rhodobacter sphaeroides. Febs Letters. 560: 221-5. PMID 14988026 DOI: 10.1016/S0014-5793(04)00117-6  0.365
2004 Timpmann K, Rätsep M, Hunter CN, Freiberg A. Emitting excitonic polaron states in core LH1 and peripheral LH2 bacterial light-harvesting complexes Journal of Physical Chemistry B. 108: 10581-10588. DOI: 10.1021/Jp049165A  0.504
2004 Freiberg A, Rätsep M, Timpmann K, Trinkunas G. Dual fluorescence of single LH2 antenna nanorings Journal of Luminescence. 108: 107-110. DOI: 10.1016/J.Jlumin.2004.01.025  0.443
2004 Timpmann K, Trinkunas G, Olsen JD, Hunter CN, Freiberg A. Bandwidth of excitons in LH2 bacterial antenna chromoproteins Chemical Physics Letters. 398: 384-388. DOI: 10.1016/J.Cplett.2004.09.090  0.511
2004 Ellervee A, Linnanto J, Freiberg A. Spectroscopic and quantum chemical study of pressure effects on solvated chlorophyll Chemical Physics Letters. 394: 80-84. DOI: 10.1016/J.Cplett.2004.06.113  0.383
2003 Ihalainen JA, Rätsep M, Jensen PE, Scheller HV, Croce R, Bassi R, Korppi-Tommola JEI, Freiberg A. Red Spectral Forms of Chlorophylls in Green Plant PSI− A Site-Selective and High-Pressure Spectroscopy Study+ The Journal of Physical Chemistry B. 107: 9086-9093. DOI: 10.1021/Jp034778T  0.538
2003 Freiberg A, Rätsep M, Timpmann K, Trinkunas G, Woodbury NW. Self-trapped excitons in LH2 antenna complexes between 5 K and ambient temperature Journal of Physical Chemistry B. 107: 11510-11519. DOI: 10.1021/Jp0344848  0.516
2003 Freiberg A, Rätsep M, Timpmann K, Trinkunas G. Self-trapped excitons in circular cacteriochlorophyll antenna complexes Journal of Luminescence. 102: 363-368. DOI: 10.1016/S0022-2313(02)00536-7  0.471
2003 Timpmann K, Ellervee A, Kuznetsov A, Laisaar A, Trinkunas G, Freiberg A. Self-trapped excitons in LH2 bacteriochlorophyll–protein complexes under high pressure Journal of Luminescence. 102: 220-225. DOI: 10.1016/S0022-2313(02)00496-9  0.441
2003 Rätsep M, Freiberg A. Resonant emission from the B870 exciton state and electron–phonon coupling in the LH2 antenna chromoprotein Chemical Physics Letters. 377: 371-376. DOI: 10.1016/S0009-2614(03)01193-X  0.506
2002 Ellervee A, Freiberg A. Pressure Solvation of Photosynthetic Pigments Defect and Diffusion Forum. 135-140. DOI: 10.4028/Www.Scientific.Net/Ddf.208-209.135  0.389
2001 Gall A, Ellervee A, Bellissent-Funel MC, Robert B, Freiberg A. Effect of high pressure on the photochemical reaction center from Rhodobacter sphaeroides R26.1. Biophysical Journal. 80: 1487-97. PMID 11222309 DOI: 10.1016/S0006-3495(01)76121-8  0.37
2001 Timpmann K, Katiliene Z, Woodbury NW, Freiberg A. Exciton self trapping in one-dimensional photosynthetic antennas Journal of Physical Chemistry B. 105: 12223-12225. DOI: 10.1021/Jp011147V  0.452
2001 Timpmann K, Ellervee A, Pullerits T, Ruus R, Sundström aV, Freiberg A. Short-Range Exciton Couplings in LH2 Photosynthetic Antenna Proteins Studied by High Hydrostatic Pressure Absorption Spectroscopy Journal of Physical Chemistry B. 105: 8436-8444. DOI: 10.1021/Jp003496F  0.637
2000 Timpmann K, Woodbury NW, Freiberg A. Unraveling exciton relaxation and energy transfer in LH2 photosynthetic antennas Journal of Physical Chemistry B. 104: 9770-9771. DOI: 10.1021/Jp001993Q  0.523
1999 Freiberg A, Lin S, Timpmann K, Blankenship RE. Exciton dynamics in FMO bacteriochlorophyll protein at low temperatures. The Journal of Physical Chemistry. B. 101: 7211-20. PMID 11542264 DOI: 10.1021/Jp9633761  0.502
1999 Freiberg A, Timpmann K, Ruus R, Woodbury NW. Disordered Exciton Analysis of Linear and Nonlinear Absorption Spectra of Antenna Bacteriochlorophyll Aggregates: LH 2-Only Mutant Chromatophores of Rhodobacter sphaeroides at 8 K under Spectrally Selective Excitation Journal of Physical Chemistry B. 103: 10032-10041. DOI: 10.1021/Jp991676N  0.506
1998 Freiberg A, Jackson JA, Lin S, Woodbury NW. Subpicosecond pump-supercontinuum probe spectroscopy of LH2 photosynthetic antenna proteins at low temperature Journal of Physical Chemistry A. 102: 4372-4380. DOI: 10.1021/Jp980028L  0.525
1998 Tars M, Ellervee A, R. Wasielewski M, Freiberg A. Biomolecular electron transfer under high hydrostatic pressure Spectrochimica Acta Part a: Molecular and Biomolecular Spectroscopy. 54: 1177-1189. DOI: 10.1016/S1386-1425(98)00068-7  0.392
1998 Freiberg A, Timpmann K, Lin S, Woodbury NW. Exciton relaxation and transfer in the LH2 antenna network of photosynthetic bacteria Journal of Physical Chemistry B. 102: 10974-10982. DOI: 10.1007/978-94-011-3953-3_4  0.439
1997 Freiberg A, Ellervee A, Tars M, Timpmann K, Laisaar A. Electron transfer and electronic energy relaxation under high hydrostatic pressure Biophysical Chemistry. 68: 189-205. PMID 17029906 DOI: 10.1016/S0301-4622(97)00046-X  0.452
1997 Gall B, Ellervee A, Tars M, Scheer H, Freiberg A. Pressure effects on absorption spectra of the isolated reaction center of Photosystem II Photosynthesis Research. 52: 225-231. DOI: 10.1023/A:1005876310854  0.415
1996 Fetisova Z, Freiberg A, Novoderezhkin V, Taisova A, Timpmann K. Antenna size dependent exciton dynamics in the chlorosomal antenna of the green bacterium Chloroflexus aurantiacus Febs Letters. 383: 233-236. PMID 8925903 DOI: 10.1016/0014-5793(96)00164-0  0.423
1996 Fetisova Z, Freiberg A, Mauring K, Novoderezhkin V, Taisova A, Timpmann K. Excitation energy transfer in chlorosomes of green bacteria: theoretical and experimental studies Biophysical Journal. 71: 995-1010. PMID 8842237 DOI: 10.1016/S0006-3495(96)79301-3  0.489
1996 Freiberg A, Allen JP, Williams JC, Woodbury NW. Energy trapping and detrapping by wild type and mutant reaction centers of purple non-sulfur bacteria Photosynthesis Research. 48: 309-319. DOI: 10.1007/Bf00041022  0.475
1995 Timpmann K, Freiberg A, Sundström V. Energy trapping and detrapping in the photosynthetic bacterium Rhodopseudomonas viridis: transfer-to-trap-limited dynamics Chemical Physics. 194: 275-283. DOI: 10.1016/0301-0104(95)00072-V  0.604
1995 Monshouwer R, Visschers RW, Mourik Fv, Freiberg A, Grondelle Rv. Low-temperature absorption and site-selected fluorescence of the light-harvesting antenna of Rhodopseudomonas viridis. Evidence for heterogeneity Biochimica Et Biophysica Acta. 1229: 373-380. DOI: 10.1016/0005-2728(95)00020-J  0.544
1994 Pullerits T, Visscher KJ, Hess S, Sundström V, Freiberg A, Timpmann K, van Grondelle R. Energy transfer in the inhomogeneously broadened core antenna of purple bacteria: a simultaneous fit of low-intensity picosecond absorption and fluorescence kinetics. Biophysical Journal. 66: 236-48. PMID 8130341 DOI: 10.1016/S0006-3495(94)80770-2  0.724
1994 Freiberg A, Timpmann K, Moskalenko AA, Kuznetsova NY. Pico- and nanosecond fluorescence kinetics of Photosystem II reaction centre and its complex with CP47 antenna Biochimica Et Biophysica Acta. 1184: 45-53. DOI: 10.1016/0005-2728(94)90152-X  0.484
1993 Godik V, Timpmann K, Freiberg A, Moskalenko AA. Picosecond dynamics of excitations in light-harvesting complex B800-850 from Chromatium minutissimum studied using fluorescence spectrochronography Febs Letters. 327: 68-70. PMID 8335097 DOI: 10.1016/0014-5793(93)81041-W  0.527
1993 Savikhin S, Freiberg A. Origin of "universal" ultraviolet luminescence from the surfaces of solids at low temperatures Journal of Luminescence. 55: 1-3. DOI: 10.1016/0022-2313(93)90076-Y  0.31
1993 Freiberg A, Ellervee A, Kukk P, Laisaar A, Tars M, Timpmann K. Pressure effects on spectra of photosynthetic light-harvesting pigment-protein complexes Chemical Physics Letters. 214: 10-16. DOI: 10.1016/0009-2614(93)85447-V  0.449
1993 Timpmann K, Zhang FG, Freiberg A, Sundström V. Detrapping of excitation energy from the reaction centre in the photosynthetic purple bacterium Rhodospirillum rubrum Biochimica Et Biophysica Acta. 1183: 185-193. DOI: 10.1016/0005-2728(93)90017-A  0.621
1992 Pullerits T, Freiberg A. Kinetic model of primary energy transfer and trapping in photosynthetic membranes. Biophysical Journal. 63: 879-896. PMID 19431849 DOI: 10.1016/S0006-3495(92)81688-0  0.673
1992 Moskalenko AA, Toropygina O, Godik VI, Timpmann K, Freiberg A. Investigation of spatial relationships and energy transfer between complexes B800-850 and B890-RC from Chromatium minutissimum reconstituted into liposomes. Febs Letters. 308: 133-136. PMID 1499721 DOI: 10.1016/0014-5793(92)81260-S  0.447
1992 Freiberg A, Timpmann K. Picosecond fluorescence spectroscope of light-harvesting antenna complexes from Rhodospirillum rubrum in the 300-4 K temperature range. Comparison with the data on chromatophores Journal of Photochemistry and Photobiology B-Biology. 15: 151-158. DOI: 10.1016/1011-1344(92)87012-X  0.525
1991 Valkunas L, Liuolia V, Freiberg A. Picosecond processes in chromatophores at various excitation intensities Photosynthesis Research. 27: 83-95. PMID 24414572 DOI: 10.1007/Bf00033248  0.475
1991 Pullerits T, Freiberg A. Picosecond fluorescence of simple photosynthetic membranes: evidence of spectral inhomogeneity and directed energy transfer Chemical Physics. 149: 409-418. DOI: 10.1016/0301-0104(91)90040-Z  0.658
1991 Timpmann K, Freiberg A, Godik VI. Picosecond kinetics of light excitations in photosynthetic purple bacteria in the temperature range of 300-4 K Chemical Physics Letters. 182: 617-622. DOI: 10.1016/0009-2614(91)90135-V  0.502
1990 Travnikov VV, Freiberg A, Savikhin SF. Surface excitons in ZnO crystals Journal of Luminescence. 47: 107-112. DOI: 10.1016/0022-2313(90)90006-W  0.343
1989 Freiberg A, Godik VI, Pullerits T, Timpman K. Picosecond dynamics of directed excitation transfer in spectrally heterogeneous light-harvesting antenna of purple bacteria Biochimica Et Biophysica Acta. 973: 93-104. DOI: 10.1016/S0005-2728(89)80407-4  0.672
1988 Freiberg A, Godik V, Pullerits T, Timpmann K. Directed picosecond excitation transport in purple photosynthetic bacteria Chemical Physics. 128: 227-235. DOI: 10.1016/0301-0104(88)85073-0  0.493
1987 Aaviksoo J, Freiberg A, Lippmaa J, Reinot T. Picosecond spectroscopy of polaritons in anthracene crystals II. Luminescence Journal of Luminescence. 37: 313-322. DOI: 10.1016/0022-2313(87)90013-5  0.38
1986 Aaviksoo J, Freiberg A, Reinot T, Savikhin S. Picosecond spectroscopy of polaritons in anthracene crystals. I. Preresonant scattering Journal of Luminescence. 35: 267-275. DOI: 10.1016/0022-2313(86)90050-5  0.391
1984 Aaviksoo J, Freiberg A, Savikhin S, Stelmakh GF, Tsvirko MP. Picosecond fluorescence study of the lifetimes of metalloporphyrin S1 and S2 states Chemical Physics Letters. 111: 275-278. DOI: 10.1016/0009-2614(84)85505-0  0.312
1983 Freiberg A, Tamm T, Timpmann K. Picosecond-Duration Vibrational Relaxation Kinetics in the Excited S1 State of Perylene and Anthracene Molecules Laser Chemistry. 3: 249-261. DOI: 10.1155/LC.3.249  0.319
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