搜索结果: 16-25 共查到“化学 photosynthetic reaction centers”相关记录25条 . 查询时间(0.13 秒)
Re-engineering Photosynthetic Reaction Centers
Re-engineering Photosynthetic Reaction Centers
2016/5/23
The properties of photosynthetic reaction centers which make them interesting for technological applications are reviewed. Protein engineering has been used to systematically modify the oxidation pote...
Rapid-flow Resonance Raman Spectroscopy of Bacterial Photosynthetic Reaction Centers
Rhodobacter sphaeroides Photosynthetic Reaction Center Complex Proteins Spectrum Analysis, Raman Kinetics Photochemistry
2016/5/23
Rapid-flow resonance Raman vibrational spectra of bacterial photosynthetic reaction centers from the R-26 mutant of Rhodobacter sphaeroides have been obtained by using excitation wavelengths (810-910 ...
Electric Field Effects on Emission Line Shapes when Electron Transfer Competes with Emission:an Example from Photosynthetic Reaction Centers
RHODOBACTER-SPHAEROIDES R-26 PRIMARY CHARGE SEPARATION RHODOPSEUDOMONAS-VIRIDIS BACTERIAL PHOTOSYNTHESIS FEMTOSECOND SPECTROSCOPY PROTEIN SUBUNITS 3A RESOLUTION PRIMARY DONOR SPECTRA
2016/5/23
Electron-transfer reactions are expected to be particularly sensitive to externally applied electric fields because of the presence of charge-separated, dipolar states, and the effects of the field on...
Electric Field Effects on the Initial Electron-Transfer Kinetics in Bacterial Photosynthetic Reaction Centers
solar energy inorganic, organic, physical and analytical chemistry photosynthetic reaction centers electron transfer calculation methods electric fields kinetics low temperature photochemistry chemistry 140500* -- solar energy conversion
2016/5/23
The effect of an applied electric field on the kinetics of the initial picosecond electron-transfer reaction in Rb. sphaeroides reaction centers has been measured in isotropic samples at 77 K. The net...
Electric Field Modulation of Electron Transfer Reaction Rates in Isotropic Systems:Long-Distance Charge Recombination in Photosynthetic Reaction Centers
CORROSION PRODUCT NICKEL FERRITE MAGNETITE PH SOLUBILITY PWR STEAM GENERATORS
2016/5/23
A general method is demonstrated for experimentally obtaining the rate constant of electron transfer as a function of the free energy of the reaction in nonoriented systems. An external electric field...
Photochemical Hole-burning in Photosynthetic Reaction Centers
Photochemical Hole-burning Photosynthetic Reaction Centers
2016/5/20
The change in absorbance (hole spectrum) of the primary electron donor (P870) in bacterial photosynthetic reaction centers has been studied at 1.5-2.1 K following narrow-band excitation at several wav...
Magnetic Field Effects on Reaction Yields in the Solid-State:An Example from Photosynthetic Reaction Centers
Magnetic Field Reaction Yields in the Solid-State Photosynthetic Reaction Centers
2016/5/20
Prior to 1970there were several reports of the effects of magneticfields on chemical reactions, though there was muchrebuttal and retraction in this early literature (1-3). Since 1970, the number of r...
Contribution of Spin-Spin Interactions to the Magnetic Field Dependence of the Triplet Quantum Yield in Photosynthetic Reaction Centers
Spin-Spin Interactions Magnetic Field Triplet Quantum Yield Photosynthetic Reaction Centers
2016/5/20
Contribution of Spin-Spin Interactions to the Magnetic Field Dependence of the Triplet Quantum Yield in Photosynthetic Reaction Centers.
The Use of Large Magnetic Fields to Probe Photoinduced Electron Transfer Reactions:An Example from Photosynthetic Reaction Centers
Large Magnetic Fields Photoinduced Electron Transfer Reactions Photosynthetic Reaction Centers
2016/5/20
We will outline an experimental approach that uses large magnetic fields and simple optical methods, combined with a method of data analysis, that is ideally suited for studying the mechanism of rapid...
The Effect of Large Magnetic Fields and the g-factor Difference On the Triplet Population in Photosynthetic Reaction Centers
Large Magnetic Fields g-factor Difference Triplet Population Photosynthetic Reaction Centers
2016/5/20
The tnplet population m reduced photosynthetic reaction cente rs IS found to Increase on application of large magnetic fields (1 S-14 hG) We conclude that the tnplet IS fo rmed by charge recombmatron ...