Mechanism of the Oxygen-Evolving Process in the Water-Oxidizing Complex of Photosystem II, as Revealed by Time-Resolved Infrared Spectroscopy [0.03%]
时间分辨红外光谱揭示的光系统II中水氧化复合物的氧释放机制
Kiichi Sugie,Yuki Kato,Ryo Nagao et al.
Kiichi Sugie et al.
The molecular mechanism of photosynthetic water oxidation in photosystem II was investigated, focusing on the elusive O2-evolving S3 → S0 transition using time-resolved infrared spectroscopy, supported by quantum mechanics/molecular mechan...
Reaction Mechanism of the Terminal Plastoquinone QB in Photosystem II as Revealed by Time-Resolved Infrared Spectroscopy [0.03%]
时间分辨红外光谱揭示的光系统II终端质酸醌QB反应机制
Yuki Kato,Honami Ito,Takumi Noguchi
Yuki Kato
The secondary plastoquinone (PQ) electron acceptor QB in photosystem II (PSII) undergoes a two-step photoreaction through electron transfer from the primary PQ electron acceptor QA, converting into plastoquinol (PQH2). However, the detailed...
Switch the click: Ultrafast photochemistry of photoDIBO-OH tracked by time-resolved IR spectroscopy [0.03%]
基于时间分辨红外光谱追踪的光解ODIBO-羟基的超快光化学反应
L Denninger,H Brunst,L J G W van Wilderen et al.
L Denninger et al.
Click chemistry refers to selective reactions developed for grafting of bio(macro)molecules in their biological media. Caged click compounds have been employed to spatiotemporally control click reactions. Here, we survey the uncaging of pho...
Tracking the first electron transfer step at the donor side of oxygen-evolving photosystem II by time-resolved infrared spectroscopy [0.03%]
利用时间分辨红外谱学追踪产氧光系统II供体侧的第一个电子转移步骤
Mohamad Yahia Dekmak,Sarah M Mäusle,Janosch Brandhorst et al.
Mohamad Yahia Dekmak et al.
In oxygen-evolving photosystem II (PSII), the multi-phasic electron transfer from a redox-active tyrosine residue (TyrZ) to a chlorophyll cation radical (P680+) precedes the water-oxidation chemistry of the S-state cycle of the Mn4Ca cluste...
Ultrafast Water H-Bond Rearrangement in a Metal-Organic Framework Probed by Femtosecond Time-Resolved Infrared Spectroscopy [0.03%]
飞秒时间分辨红外光谱探测的金属有机框架中超快的氢键重排现象
Mason L Valentine,Guoxin Yin,Julius J Oppenheim et al.
Mason L Valentine et al.
We investigated the water H-bond network and its dynamics in Ni2Cl2BTDD, a prototypical MOF for atmospheric water harvesting, using linear and ultrafast IR spectroscopy. Utilizing isotopic labeling and infrared spectroscopy, we found that w...
Minhaeng Cho
Minhaeng Cho
Time-resolved IR pump-probe (IR-PP) and two-dimensional IR (2D-IR) spectroscopy are valuable techniques for studying various ultrafast chemical and biological processes in solutions. The time-dependent changes of nonlinear IR signals reflec...
Photoexcitation dynamics of bromodiphenyl ethers in acetonitrile-d3 studied by femtosecond time-resolved infrared spectroscopy [0.03%]
飞秒时间分辨红外光谱法研究乙腈-三氘代中的溴代二苯醚的光激发动力学
Jisik Jung,Juhyang Shin,Alina Dzhaparova et al.
Jisik Jung et al.
The efficient decomposition of polybrominated diphenyl ethers (PBDEs), onetime prevalent flame retardants, is central to the reduction of their harmful effects on human health. PBDE photodecomposition is a promising method, but its mechanis...
Short-lived intermediate in N2O generation by P450 NO reductase captured by time-resolved IR spectroscopy and XFEL crystallography [0.03%]
利用飞秒红外光谱和X射线自由电子激光晶体学捕捉一氧化氮还原酶生成N₂O的瞬态中间体
Takashi Nomura,Tetsunari Kimura,Yusuke Kanematsu et al.
Takashi Nomura et al.
Nitric oxide (NO) reductase from the fungus Fusarium oxysporum is a P450-type enzyme (P450nor) that catalyzes the reduction of NO to nitrous oxide (N2O) in the global nitrogen cycle. In this enzymatic reaction, the heme-bound NO is activate...
Caught in the Loop: Binding of the [Ru(phen)2 (dppz)]2+ Light-Switch Compound to Quadruplex DNA in Solution Informed by Time-Resolved Infrared Spectroscopy [0.03%]
时间分辨红外光谱指导的[Ru(phen)2(dppz)]2+光控化合物与溶液中四链体DNA结合的研究
Stephen J Devereux,Fergus E Poynton,Frederico R Baptista et al.
Stephen J Devereux et al.
Ultrafast time-resolved infrared (TRIR) is used to report on the binding site of the [Ru(phen)2 (dppz)]2+ "light-switch" complex with both bimolecular (Oxytricha nova telomere) and intramolecular (human telomere) guanine-quadruplex structur...
Proton Release Process during the S2-to-S3 Transition of Photosynthetic Water Oxidation As Revealed by the pH Dependence of Kinetics Monitored by Time-Resolved Infrared Spectroscopy [0.03%]
时间分辨红外光谱法测定pH值对其动力学影响揭示光合作用水氧化过程中S2至S3转换时质子释放过程
Hiroshi Takemoto,Miwa Sugiura,Takumi Noguchi
Hiroshi Takemoto
Photosynthetic water oxidation takes place at the Mn4CaO5 cluster in photosystem II via a light-driven cycle of intermediates called S states (S0-S4). Clarifying how electron and proton transfer reactions are coupled with each other in the ...
耗时 0.11746 秒，为您在
48206918
条记录里面共找到 44 篇文章 [XML]