Search Results - "Zabelin, Alexey A."

Characterization of the low-temperature triplet state of chlorophyll in photosystem II core complexes: Application of phosphorescence measurements and Fourier transform infrared spectroscopy by Zabelin, Alexey A., Neverov, Konstantin V., Krasnovsky, Alexander A., Shkuropatova, Valentina A., Shuvalov, Vladimir A., Shkuropatov, Anatoly Ya

“…Phosphorescence measurements at 77 K and light-induced FTIR difference spectroscopy at 95 K were applied to study of the triplet state of chlorophyll a (3Chl)…”
Get full text

Pigment-modified reaction centers of Chloroflexus aurantiacus: chemical exchange of bacteriopheophytins with plant-type pheophytins by Zabelin, Alexey A., Shkuropatov, Anatoly Ya

“…The pigment composition of isolated reaction centers (RCs) of the green filamentous bacterium Chloroflexus ( Cfl. ) aurantiacus was changed by chemical…”
Get full text

On the Mechanism of Selective Chemical Exchange of Bacteriopheophytins in the Reaction Centers of Rhodobacter sphaeroides R-26 by Zabelin, Alexey A., Kovalev, Vyacheslav B., Shkuropatov, Anatoly Ya

“…To elucidate the mechanism of site-selective chemical replacement of chromophores in the reaction centers (RCs) of photosynthetic bacteria by external…”
Get full text

Primary electron transfer in Rhodobacter sphaeroides R-26 reaction centers under dehydration conditions by Zabelin, Alexey A., Khristin, Anton M., Shkuropatova, Valentina A., Khatypov, Ravil A., Shkuropatov, Anatoly Ya

“…The photoinduced charge separation in QB-depleted reaction centers (RCs) from Rhodobacter sphaeroides R-26 in solid air-dried and vacuum-dried (~10−2 Torr)…”
Get full text

Comparative Study of Spectral and Functional Properties of Wild Type and Double Mutant H(L173)L/I(L177)H Reaction Centers of the Purple Bacterium Cereibacter sphaeroides by Fufina, Tatiana Yu, Zabelin, Alexey A., Khatypov, Ravil A., Khristin, Anton M., Shkuropatov, Anatoly Ya, Vasilieva, Lyudmila G.

“…Previously, we found that in the reaction center (RC) of the purple bacterium Cereibacter sphaeroides , formation of heterodimeric primary electron donor (P)…”
Get full text

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…”
Get full text

Interaction of HydSL hydrogenase from Thiocapsa roseopersicina with cyanide leads to destruction of iron-sulfur clusters by Zorin, Nikolay A., Zabelin, Alexey A., Shkuropatov, Anatoly Ya, Tsygankov, Anatoly A.

“…The effects of cyanide on enzymatic activity and absorption spectra in the visible and mid-IR (2150–1850cm−1) regions were characterized for purified HydSL…”
Get full text

Mutation H(M202)L does not lead to the formation of a heterodimer of the primary electron donor in reaction centers of Rhodobacter sphaeroides when combined with mutation I(M206)H by Khristin, Anton M., Zabelin, Alexey A., Fufina, Tatiana Yu, Khatypov, Ravil A., Proskuryakov, Ivan I., Shuvalov, Vladimir A., Shkuropatov, Anatoly Ya, Vasilieva, Lyudmila G.

“…In photosynthetic reaction centers (RCs) of purple bacteria, conserved histidine residues [His L173 and His M202 in Rhodobacter ( Rba. ) sphaeroides ] are…”
Get full text

Chemically modified reaction centers of photosystem II: Exchange of pheophytin a with 7-deformyl-7-hydroxymethyl-pheophytin b by Zabelin, Alexey A., Shkuropatova, Valentina A., Makhneva, Zoya K., Moskalenko, Andrey A., Shuvalov, Vladimir A., Shkuropatov, Anatoly Ya

“…The native pheophytin a (Pheo a) in isolated reaction centers of photosystem II (PSII RCs) has been chemically exchanged with extraneous…”
Get full text

Low-temperature (77 K) phosphorescence of triplet chlorophyll in isolated reaction centers of photosystem II by Neverov, Konstantin V, Krasnovsky, Alexander A., Jr, Zabelin, Alexey A, Shuvalov, Vladimir A, Shkuropatov, Anatoly Ya

“…Phosphorescence characterized by the main emission band at 952 ± 1 nm (1.30 eV), the lifetime of 1.5 ± 0.1 ms and the quantum yield nearly equal to that for…”
Get full text

Mutation HH by Khristin, Anton M, Zabelin, Alexey A, Fufina, Tatiana Yu, Khatypov, Ravil A, Proskuryakov, Ivan I, Shuvalov, Vladimir A, Shkuropatov, Anatoly Ya

“…In photosynthetic reaction centers (RCs) of purple bacteria, conserved histidine residues [His L173 and His M202 in Rhodobacter (Rba.) sphaeroides] are known…”
Get full text

Mutation H by Khristin, Anton M, Zabelin, Alexey A, Fufina, Tatiana Yu, Khatypov, Ravil A, Proskuryakov, Ivan I, Shuvalov, Vladimir A, Shkuropatov, Anatoly Ya

Get full text