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Photochemistry of a Bacterial Photosynthetic Reaction Center Missing the Initial Bacteriochlorophyll Electron Acceptor
Carbon nanotubes Composite Terahertz properties
2016/5/25
A novel chromophore composition of the bacterial photosynthetic reaction center (RC) has been discovered: RCs lacking the L-side monomeric bacteriochlorophyll chromophore result from mutation of the n...
Intervalence Band Stark Effect of the Special Pair Radical Cation in Bacterial Photosynthetic Reaction Centers
alloys low index single crystal surfaces low energy electron diffraction (LEED) scanning tunneling microscopy X-ray standing waves surface relaxation and reconstruction tin copper
2016/5/24
The Stark spectrum of the intervalence band of the special pair radical cation in bacterial photosynthetic reaction centers is presented. This spectrum, centered at 2600 cm-1, is modeled using a gener...
Interchromophore Interactions in Pigment-modified and Dimerless Bacterial Photosynthetic Reaction Centers
absorption bacteriochlorophyll electron transfer mutagenesis pigment exchange Stark spectroscopy
2016/5/23
The magnitudes of inter-chromophore interactions in bacterial photosynthetic reaction centers are investigated by measuring absorption and Stark spectra of reaction centers in which monomeric chromoph...
Charge Resonance Effects on Electronic Absorption Lineshapes:Application to the Heterodimer Absorption of Bacterial Photosynthetic Reaction Centers
Charge Resonance Electronic Absorption Lineshapes Heterodimer Absorption Bacterial Photosynthetic Reaction Centers
2016/5/23
The electronic absorption spectrum of the homodimeric special pair in bacterial photosynthetic reaction centers is greatly modified when one of the bacteriochlorophylls is replaced by a bacteriopheoph...
Electronic and Nuclear Dynamics of the Accessory Bacteriochlorophylls in Bacterial Photosynthetic Reaction Centers from Resonance Raman Intensities
chemistry biology and medicine,basic studies chlorophyll raman spectra photosynthetic bacteria scattering energy transfer absorption spectra dynamics photosynthetic reaction centers
2016/5/23
Resonance Raman spectra and absolute Raman scattering intensities of the Franck-Condon coupled vibrational modes of the accessory bacteriochloropyhlls (B) in the photosynthetic reaction center from Rb...
Effects of Applied Electric Fields on the Quantum Yields for the Initial Electron Transfer Steps in Bacterial Photosynthesis:II.Dynamic Stark Effect
Applied Electric Fields Quantum Yields Initial Electron Transfer Steps Bacterial Photosynthesis Dynamic Stark Effect
2016/5/23
The quantum yield of the initial charge separation steps in bacterial photosynthetic reaction centers has been shown to be reduced in an applied electric field [Part I, Lao et al., J. Phys. Chem. 97 (...
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 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...
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...
Coherent patterns in bacterial growth, growth efficiency, and leucine metabolism along a northeastern Pacific inshore–offshore transect
bacterial growth growth efficiency leucine metabolism
2014/4/4
Large D/H variations in bacterial lipids reflect central metabolic pathways
bacterial lipids reflect central metabolic pathways Large D/H variations
2014/4/8
Large hydrogen-isotopic (D/H) fractionations between lipids and
growth water have been observed in most organisms studied to
date. These fractionations are generally attributed to isotope
effects i...
Quantifying Microbial Utilization of Petroleum Hydrocarbons in Salt Marsh Sediments by Using the 13 C Content of Bacterial rRNA
Quantifying Microbial Utilization Salt Marsh Sediments
2014/4/8
Natural remediation of oil spills is catalyzed by complex microbial consortia. Here we took a wholecommunity approach to investigate bacterial incorporation of petroleum hydrocarbons from a simulated ...
Production of Bacterial Polyesters from Some Various New Substrates by Alcaligenes eutrophus and Pseudomonas oleovorans
Bacterial polyesters, A. eutrophus and P. Oleovorans, limonene, linoleic acid 4-pentenoic acid. Laurel seed- corn- linseed-oil acids rose oil and laurel leaf oil
2010/4/21
Production of Bacterial Polyesters from Some Various New Substrates by Alcaligenes eutrophus and Pseudomonas oleovorans.