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Stark Spectroscopy of Mixed-Valence Systems
Stark spectroscopy reaction centre mixed valence intervalence charge transfer Creutz–Taube ion
2016/5/25
Many mixed-valence systems involve two or more states with different electric dipole moments whose magnitudes depend upon the charge transfer distance and the degree of delocalization; these systems c...
Probing Excited State Electron Transfer by Resonance Stark Spectroscopy.II.Theory and Application
Excited State Electron Resonance Stark Spectroscopy Theory Application
2016/5/23
A theory of the resonance Stark effect data reported in part 1 (preceding paper in this issue) is developed. The model used involves a weak charge resonance interaction between the excited state of an...
Probing Excited State Electron Transfer by Resonance Stark Spectroscopy.I.Experimental Results for Photosynthetic Reaction Centers
adatoms bismuth photoelectron diffraction silicon
2016/5/23
Higher order Stark spectroscopy has recently been introduced and applied to characterize the electrooptic properties of chromophores in bacterial photosynthetic reaction centers.1 In the course of the...
Characterization of the Light Harvesting Antennas of Photosynthetic Purple Bacteria by Stark Spectroscopy:I.LH1 Antenna Complex and the B820 Subunit from Rhodospirillum rubrum
ABCD rule accessory nipples acral acrolentiginous actinic keratosis alopecia amelonotic angiokeratoma angioma arborizing blood vessels
2016/5/23
We present low-temperature Stark measurements on the core light-harvesting complex 1 (LH1) of purple bacteria and the B820 subunit derived from LH1, which is a protein bound Bchl a dimer. It was found...
Stark Spectroscopy:Applications in Chemistry,Biology and Materials Science
electroabsorption electrochromism electro-optic absorption electric field charge transfer
2016/5/23
Stark spectroscopy has been applied to a wide range of molecular systems and materials. A generally useful method for obtaining electronic and vibrational Stark spectra that does not require sophistic...
Stark Effect Spectroscopy of Tryptophan
Biophysical Phenomena Biophysics Electrochemistry Fluorescence Polarization Melitten Models,Chemical Photochemistry Solvents Spectrometry, Fluorescence Spectrophotometry Tryptophan Tryptophan
2016/5/23
The change in permanent dipole moment (magnitude of delta mu) for the transition from the 1La state to the ground state of tryptophan is the key photophysical parameter for the interpretation of trypt...
Vibrational Stark Effect Spectroscopy.
Studies of Crystalline Aggregates of Pheophorbide and Bacteriopheophorbide by Electro-Absorption (Stark Effect) Spectroscopy and Powder X-ray Diffraction
GYROTRON 2ND HARMONIC SUBMILLIMETER WAVE
2016/5/23
Absorption and electro-absorption (Stark effect) spectra of polycrystalline and lyophillized samples of pheophorbides and bacteriopheophorbides have been measured in order to obtain information on the...
Photochemical Hole-burning Spectroscopy of Bovine Rhodopsin and Bacteriorhodopsin
Photochemical Hole Spectroscopy Bovine Rhodopsin Bacteriorhodopsin
2016/5/23
Photochemical hole burning has been observed at 1.5 K in bacteriorhodopsin (bR) and bovine rhodopsin at wavelengths spanning their lowest energy electronic absorption bands. Hole widths were approxima...
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 ...
Stark Effect Spectroscopy of Carotenoids in Reaction Center and Antenna Complexes from Photosynthetic Bacteria
Stark effect Electric field effect Carotenoid Carotenoid bandshift
2016/5/23
The effects of electric fields on the absorption spectra of the carotenoids spheroidene and spheroidenone in photosynthetic antenna and reaction center complexes (wild-type and several mutants) from p...
Electroabsorption (Stark Effect) Spectroscopy of Mono-and Biruthenium Charge-Transfer Complexes:Measurements of Changes in Dipole Moments and Other Electrooptic Properties
PERVAPORATION REVERSE OSMOSIS SEPARATION OF AMYL ALCOHOL WATER MIXTURES POLY(VINYL ALCOHOL) POLYACRYLONITRILE COMPOSITE MEMBRANES POLYAMIDE POLYETHERSULFONE COMPOSITE MEMBRANES
2016/5/23
Electroabsorption (Stark effect) spectra are reported for the charge-transfer transitions of (NH3)5RuL2+ and [(NH3)5Ru]2L4+,5+, where L is pyrazine (pz) or 4,4'-bipyridine (4,4'-bpy). The spectra perm...
On the Refractive Index Correction In Luminescence Spectroscopy
Refractive Index Correction Luminescence Spectroscopy
2016/5/20
On the Refractive Index Correction In Luminescence Spectroscopy.
A study of growth and breakdown of passive film on copper surface by electrochemical impedance spectroscopy
Copper electrochemical impedance spectroscopy cyclic voltammetry passive film interfaces
2010/4/8
Electrochemical impedance spectroscopy (EIS) and cyclic voltammetry were used to investigate the oxide layer formed on a copper disc electrode and the changes that took place when treated potentiostat...