搜索结果: 1-15 共查到“化学 field”相关记录17条 . 查询时间(0.125 秒)
Controlling Two-Dimensional Tethered Vesicle Motion Using an Electric Field:Interplay of Electrophoresis and Electro-Osmosis
Electric field effects Electrophoresis Electroosmosis DNA Lipids Dynamic response
2016/5/24
We recently introduced methods to tether phospholipid vesicles or proteoliposomes onto a fluid-supported lipid bilayer using DNA hybridization (Yoshina-Ishii, C.; Miller, G. P.; Kraft, M. L.; Kool, E....
Lateral Reorganization of Fluid Lipid Membranes in Response to the Electric Field Produced by a Buried Charge
Thuja dolabrata var. hondai cell culture beta-thujaplicin hinokitiol semi-continuous culture system
2016/5/23
A thermodynamic model describing multicomponent fluid membranes under the influence of lateral forces due to a buried charge is developed to estimate the magnitude and dynamics of field-induced latera...
Temperature Dependence of the Electric Field Modulation of Electron-Transfer Rates:Charge Recombination in Photosynthetic Reaction Centers
solar energy inorganic, organic, physical and analytical chemistry photosynthesis reaction kinetics electric fields electron transfer entropy experimental data free energy mathematical models
2016/5/23
The rates of electron-transfer reactions can be systematically varied by application of external electric fields. The electric field effect on the charge recombination rate constant of the state P[sup...
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...
Structure-Based Analysis of the Initial Electron Transfer Step in Bacterial Photosynthesis: Electric Field Induced Fluorescence Anisotropy
Fluorescence Electric fields Electron transfer Transfer reactions Anisotropy
2016/5/20
The fluorescence intensity from randomly oriented, immobilized Rb. sphaeroides reaction centers at 77 K increases in the presence of an externally applied electric field. We have proposed that this in...
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...
Investigation of the Lowest Triplet State of the Pyrochlorophyllide a-Apomyoglobin Complex by Zero-field Optically Detected Magnetic Resonance
Lowest Triplet State Pyrochlorophyllide a-Apomyoglobin Complex Zero-field Optically Detected Magnetic Resonance
2016/5/20
Investigation of the Lowest Triplet State of the Pyrochlorophyllide a-Apomyoglobin Complex by Zero-field Optically Detected Magnetic Resonance.
Dependence of the Yield of a Radical-Pair Reaction in the Solid State on Orientation in a Magnetic Field
Radical-Pair Reaction Solid State on Orientation Magnetic Field
2016/5/20
We report the observation that the yield of a radical-pair reaction in the solid state can depend strongly on the orientation of the reactants in a magnetic field. This phenomenon is expected to be qu...
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.
Professor Robert W Field，The Department of Chemistry at Massachusetts Institute of Technology（图）
Professor Robert W Field The Department of Chemistry at Massachusetts Institute of Technology
2014/8/21
Polyatomic molecules are like balls-and springs, yet eigenstates are stationary. Where has the intricate and beautiful dance of atoms gone and how do we recover movies of intramolecular dynamics from ...
Making the best of mixed-field orientation of polar molecules: A recipe for achieving adiabatic dynamics in an electrostatic field combined with laser pulses
mixed-field orientation of polar molecules recipe adiabatic dynamics electrostatic field laser pulses Chemical Physics
2012/4/24
We have experimentally and theoretically investigated the mixed-field orientation of rotational-state-selected OCS molecules and we achieve strong degrees of alignment and orientation. The applied mod...
A transferable ab-initio based force field for aqueous ions
transferable ab-initio force field aqueous ions Chemical Physics
2012/4/20
We present a new polarizable force field for aqueous ions (Li+, Na+, K+, Rb+, Cs+, Mg2+, Ca2+, Sr2+ and Cl-) derived from condensed phase ab-initio calculations. We use Maximally Localized Wannier Fun...
Hydrothermal Synthesis and Field Enhancement Behavior of ZnO Nanorods Pattern
Heterogeneous nucleation ZnO nanorods pattern Selective growth Field enhancement
2012/4/5
We provide a new way to prepare ZnO nanorods pattern from the solution composed of hexamethylenetetramine (HMT) and Zn(NO3)2. The substrate is ITO substrate covered by well ordered Au islands. Since A...