Search Results - "Shelaev, Ivan"

Evidence that chlorophyll f functions solely as an antenna pigment in far-red-light photosystem I from Fischerella thermalis PCC 7521 by Cherepanov, Dmitry A., Shelaev, Ivan V., Gostev, Fedor E., Aybush, Arseniy V., Mamedov, Mahir D., Shen, Gaozhong, Nadtochenko, Victor A., Bryant, Donald A., Semenov, Alexey Yu, Golbeck, John H.

“…The Photosystem I (PSI) reaction center in cyanobacteria is comprised of ~96 chlorophyll (Chl) molecules, including six specialized Chl molecules denoted…”
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PSI-SMALP, a Detergent-free Cyanobacterial Photosystem I, Reveals Faster Femtosecond Photochemistry by Cherepanov, Dmitry A., Brady, Nathan G., Shelaev, Ivan V., Nguyen, Jon, Gostev, Fedor E., Mamedov, Mahir D., Nadtochenko, Victor A., Bruce, Barry D.

“…Cyanobacterial photosystem I (PSI) functions as a light-driven cyt c6-ferredoxin/oxidoreductase located in the thylakoid membrane. In this work, the energy and…”
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Primary charge separation within the structurally symmetric tetrameric Chl2APAPBChl2B chlorophyll exciplex in photosystem I by Cherepanov, Dmitry A., Shelaev, Ivan V., Gostev, Fedor E., Petrova, Anastasia, Aybush, Arseniy V., Nadtochenko, Victor A., Xu, Wu, Golbeck, John H., Semenov, Alexey Yu

“…In Photosystem I (PS I), the role of the accessory chlorophyll (Chl) molecules, Chl2A and Chl2B (also termed A-1A and A-1B), which are directly adjacent to the…”
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Comparative Femtosecond Spectroscopy of Primary Photoreactions of Exiguobacterium sibiricum Rhodopsin and Halobacterium salinarum Bacteriorhodopsin by Smitienko, Olga A, Feldman, Tatiana B, Petrovskaya, Lada E, Nekrasova, Oksana V, Yakovleva, Marina A, Shelaev, Ivan V, Gostev, Fedor E, Cherepanov, Dmitry A, Kolchugina, Irina B, Dolgikh, Dmitry A, Nadtochenko, Victor A, Kirpichnikov, Mikhail P, Ostrovsky, Mikhail A

“…The primary stages of the Exiguobacterium sibiricum rhodopsin (ESR) photocycle were investigated by femtosecond absorption laser spectroscopy in the spectral…”
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Generation of ion-radical chlorophyll states in the light-harvesting antenna and the reaction center of cyanobacterial photosystem I by Cherepanov, Dmitry A., Shelaev, Ivan V., Gostev, Fedor E., Aybush, Arseniy V., Mamedov, Mahir D., Shuvalov, Vladimir A., Semenov, Alexey Yu, Nadtochenko, Victor A.

“…The energy and charge-transfer processes in photosystem I (PS I) complexes isolated from cyanobacteria Thermosynechococcus elongatus and Synechocystis sp. PCC…”
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Comparative Absorption Dynamics of the Singlet Excited States of Chlorophylls a and d by Cherepanov, Dmitry A., Petrova, Anastasia A., Mamedov, Mahir D., Vishnevskaya, Anna I., Gostev, Fedor E., Shelaev, Ivan V., Aybush, Arseniy V., Nadtochenko, Victor A.

“…Transient absorption dynamics of chlorophylls a and d dissolved in tetrahydrofuran was measured by the broadband femtosecond laser pump-probe spectroscopy in a…”
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Reversible Photochromic Reactions of Bacteriorhodopsin from Halobacterium salinarum at Femto- and Picosecond Times by Smitienko, Olga, Feldman, Tatyana, Shelaev, Ivan, Gostev, Fedor, Aybush, Arseniy, Cherepanov, Dmitry, Nadtochenko, Victor, Ostrovsky, Mikhail

“…The operation of bacteriorhodopsin ( ) from the archaeon is based on the photochromic reaction of isomerization of the chromophore group (the retinal…”
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Donor–Acceptor Complexes of (5,10,15,20-Tetra(4-methylphenyl)porphyrinato)cobalt(II) with Fullerenes C60: Self-Assembly, Spectral, Electrochemical and Photophysical Properties by Bichan, Nataliya G., Ovchenkova, Ekaterina N., Mozgova, Varvara A., Ksenofontov, Alexander A., Kudryakova, Nadezhda O., Shelaev, Ivan V., Gostev, Fedor E., Lomova, Tatyana N.

“…The noncovalent interactions of (5,10,15,20-tetra(4-methylphenyl)porphinato)cobalt(II) (CoTTP) with C60 and…”
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Mechanism of adiabatic primary electron transfer in photosystem I: Femtosecond spectroscopy upon excitation of reaction center in the far-red edge of the QY band by Cherepanov, Dmitry A., Shelaev, Ivan V., Gostev, Fedor E., Mamedov, Mahir D., Petrova, Anastasia A., Aybush, Arseniy V., Shuvalov, Vladimir A., Semenov, Alexey Yu, Nadtochenko, Victor A.

“…The ultrafast primary charge separation in Photosystem I (PS I) excited by femtosecond pulses centered at 720 and 760nm was studied by pump-to-probe laser…”
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Effects of a Central Atom and Peripheral Substituents on Photoinduced Electron Transfer in the Phthalocyanine–Fullerene Donor–Acceptor Solution-Processable Dyads by Ovchenkova, Ekaterina N, Bichan, Natatiya G, Tsaturyan, Arshak A, Kudryakova, Nadezhda O, Gruzdev, Matvey S, Gostev, Fedor E, Shelaev, Ivan V, Nadtochenko, Victor A, Lomova, Tatyana N

“…For understanding the physical chemistry behind improving photoelectrochemical charge separation parameters and providing solution-processability, multiple…”
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Fast kinetic laser spectroscopy of the exciton dynamics during photocatalytic ZnCdS/ZnCdS/ZnS QDs mediated hydrogen production by Nadtochenko, Victor, Kochev, Sergei, Kabachii, Yurii, Kostrov, Andrei, Gostev, Fedor, Shelaev, Ivan, Aybush, Arseniy, Vasin, Alexandr, Titov, Andrei, Kiwi, John

“…The alloys of Zn 0.34 Cd 0.66 S QDs show a high photocatalytic activity when mediating the hydrogen production from water with a reaction rate of 233 ±…”
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Femtosecond optical studies of the primary charge separation reactions in far-red photosystem II from Synechococcus sp. PCC 7335 by Cherepanov, Dmitry A., Kurashov, Vasily, Gostev, Fedor E., Shelaev, Ivan V., Zabelin, Alexey A., Shen, Gaozhong, Mamedov, Mahir D., Aybush, Arseny, Shkuropatov, Anatoly Ya, Nadtochenko, Victor A., Bryant, Donald A., Golbeck, John H., Semenov, Alexey Yu

“…Primary processes of light energy conversion by Photosystem II (PSII) were studied using femtosecond broadband pump-probe absorption difference spectroscopy…”
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Specificity of Photochemical Energy Conversion in Photosystem I from the Green Microalga Chlorella ohadii by Cherepanov, Dmitry A., Petrova, Anastasiya A., Fadeeva, Mariya S., Gostev, Fedor E., Shelaev, Ivan V., Nadtochenko, Victor A., Semenov, Alexey Yu

“…Primary excitation energy transfer and charge separation in photosystem I (PSI) from the extremophile desert green alga Chlorella ohadii grown in low light…”
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Role of hydrogen bond alternation and charge transfer states in photoactivation of the Orange Carotenoid Protein by Yaroshevich, Igor A., Maksimov, Eugene G., Sluchanko, Nikolai N., Zlenko, Dmitry V., Stepanov, Alexey V., Slutskaya, Ekaterina A., Slonimskiy, Yury B., Botnarevskii, Viacheslav S., Remeeva, Alina, Gushchin, Ivan, Kovalev, Kirill, Gordeliy, Valentin I., Shelaev, Ivan V., Gostev, Fedor E., Khakhulin, Dmitry, Poddubnyy, Vladimir V., Gostev, Timofey S., Cherepanov, Dmitry A., Polívka, Tomáš, Kloz, Miroslav, Friedrich, Thomas, Paschenko, Vladimir Z., Nadtochenko, Victor A., Rubin, Andrew B., Kirpichnikov, Mikhail P.

“…Here, we propose a possible photoactivation mechanism of a 35-kDa blue light-triggered photoreceptor, the Orange Carotenoid Protein (OCP), suggesting that the…”
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Femtosecond Dynamics of Excited States of Chlorophyll Tetramer in Water-Soluble Chlorophyll-Binding Protein BoWSCP by Cherepanov, Dmitry A., Neverov, Konstantin V., Obukhov, Yuriy N., Maleeva, Yulia V., Gostev, Feodor E., Shelaev, Ivan V., Aybush, Arseny V., Kritsky, Michail S., Nadtochenko, Victor A.

“…The paper reports on the absorption dynamics of chlorophyll  a in a symmetric tetrameric complex of the water-soluble chlorophyll-binding protein BoWSCP. It…”
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Femtosecond primary charge separation in Synechocystis sp. PCC 6803 photosystem I by Shelaev, Ivan V., Gostev, Fedor E., Mamedov, Mahir D., Sarkisov, Oleg M., Nadtochenko, Victor A., Shuvalov, Vladimir A., Semenov, Alexey Yu

“…The ultrafast (< 100 fs) conversion of delocalized exciton into charge-separated state between the primary donor P700 (bleaching at 705 nm) and the primary…”
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FeOx-TiO2 Film with Different Microstructures Leading to Femtosecond Transients with Different Properties: Biological Implications under Visible Light by Rtimi, Sami, Pulgarin, Cesar, Nadtochenko, Victor A., Gostev, Fedor E., Shelaev, Ivan V., Kiwi, John

“…This study presents the first report addressing the effect of FeOx-TiO 2 films microstructure on the transients detected by fast spectroscopy related to the…”
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The binding energy of biexcitons in alloy ZnxCd1−xS quantum dots detected by femtosecond laser spectroscopy by Nadtochenko, Viktor, Kostrov, Andrei, Titov, Andrei, Aybush, Arseniy, Gostev, Fedor, Shelaev, Ivan, Shepel, Denis, Antonova, Olga, Kochev, Sergei, Kabachii, Yuriy, Valetsky, Pyotr

“…Biexcitons localized at Zn x Cd 1− x S quantum dots ( x  = 0.37 or 0.45) with a diameter of ~ 45 Å synthesized by two different methods were studied by…”
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Femtosecond spectroscopic study of photochromic reactions of bacteriorhodopsin and visual rhodopsin by Feldman, Tatiana B., Smitienko, Olga A., Shelaev, Ivan V., Gostev, Fedor E., Nekrasova, Oksana V., Dolgikh, Dmitriy A., Nadtochenko, Victor A., Kirpichnikov, Mikhail P., Ostrovsky, Mikhail A.

“…Photochromic ultrafast reactions of bacteriorhodopsin (H. salinarum) and bovine rhodopsin were conducted with a femtosecond two-pump probe pulse setup with the…”
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Current state of the primary charge separation mechanism in photosystem I of cyanobacteria by Cherepanov, Dmitry A., Semenov, Alexey Yu, Mamedov, Mahir D., Aybush, Arseniy V., Gostev, Fedor E., Shelaev, Ivan V., Shuvalov, Vladimir A., Nadtochenko, Victor A.

“…This review analyzes new data on the mechanism of ultrafast reactions of primary charge separation in photosystem I (PS I) of cyanobacteria obtained in the…”
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