搜索结果: 1-12 共查到“生物学 Stark”相关记录12条 . 查询时间(0.043 秒)
Kent State University at Stark research unravels mysteries of mouthparts of butterflies
Kent State University Stark mouthparts butterflies
2017/4/27
Imagine that the way flies and butterflies drink nectar and other fluids can be imitated for use in medicine, potentially to deliver life-saving drugs to the body – and also how this method can save t...
Charge Transfer in Photoacids Observed by Stark Spectroscopy
cre recombinase pituitary GSU transgenic mouse muscle
2016/5/25
The charge redistribution upon photoexcitation is investigated for a series of pyrene photoacids to better understand the driving force behind excited-state proton-transfer processes. The changes in e...
Electrostatic Fields Near the Active Site of Human Aldose Reductase:1.New Inhibitors and Vibrational Stark Effect Measurements
apoptosis ATM cisplatin IKK p73 ubiquitination
2016/5/25
Vibrational Stark effect spectroscopy was used to measure electrostatic fields in the hydrophobic region of the active site of human aldose reductase (hALR2). A new hALR2 inhibitor was designed and sy...
Vibrational Stark Effect Probes for Nucleic Acids
ternary complex precipitation europium pyridine-2,6-dicarboxylate fluorescence
2016/5/24
The vibrational Stark effect (VSE) has proven to be an effective method for the study of electric fields in proteins via the use of infrared probes. To explore the use of VSE in nucleic acids, we inve...
Vibrational Stark Effects Calibrate the Sensitivity of Vibrational Probes for Electric Fields in Proteins
transitional cell carcinoma cDNA microarray molecular markers expression profiling tumor classification
2016/5/24
Infrared spectroscopy is widely used to probe local environments and dynamics in proteins. The introduction of a unique vibration at a specific site of a protein or more complex assembly offers many a...
Vibrational Stark Spectroscopy in Proteins:A Probe and Calibration for Electrostatic Fields
affinity partition plasma membrane IGF-I receptor C6 glioma wheat germ agglutinin two-phase partitioning
2016/5/23
We report the first measurement of the vibrational Stark effect in a protein, providing quantitative information on the sensitivity of a vibrational transition to an applied electric field. This can b...
Excited State Electronic Asymmetry of the Special Pair in Photosynthetic Reaction Center Mutants:Absorption and Stark Spectroscopy
Dimerization Electron Transport Electrons Hydrogen Bonding Models, Chemical Mutagenesis, Site-Directed Oxidation-Reduction Photosynthetic Reaction Center Complex Proteins Rhodobacter sphaeroides Spectrophotometry Static Electricity
2016/5/23
The electronic absorption line shape and Stark spectrum of the lowest energy Q(y)() transition of the special pair in bacterial reaction centers contain a wealth of information on mixing with charge t...
Stark Spectroscopy of Donor-Acceptor Polyenes:Correlation with Nonlinear Optical Measurements
antitumor agents epothilones macrolactonization natural products total synthesis
2016/5/23
Stark Spectroscopy of Donor-Acceptor Polyenes:Correlation with Nonlinear Optical Measurements.
Stark Effect (Electroabsorption) Spectroscopy of Photosynthetic Reaction Centers at 1.5 K:Evidence that the Special Pair has a Large Excited-State Polarizability
Photosynthesis Reaction center Stark spectroscopy Specialpair
2016/5/23
The Stark effect or electroabsorption spectrum of the Qy transition of the special pair, P, of Rb. sphaeroides reaction centers has been measured at 1.5 K in frozen glycerol/buffer glasses. Under thes...
Stark Effect Spectroscopy of Bacteriochlorophyll in Light-harvesting Complexes from Photosynthetic Bacteria
Stark effect Electric field effect Antenna complex Light harvesting complex Energy transfer BCP bacteriochlorophyll a protein RC reaction center
2016/5/23
The effects of an applied electric field on the Q y absorption and fluorescence spectra of three antenna complexes from photosynthetic bacteria have been measured at 77 K: the bacteriochlorophyll a pr...
Stark Effect Spectroscopy of the Rhodobacter sphaeroides Reaction Center Heterodimer Mutant
Rhodobacter sphaeroides Macromolecular Substances Light-Harvesting Protein Complexes Photosynthetic Reaction Center Complex Proteins Bacterial Proteins Spectrophotometry Mutation Thermodynamics
2016/5/23
The effect of an electric field has been measured on the absorption spectrum (Stark effect) of the heterodimer mutant (M)H202L of Rhodobacter sphaeroides reaction centers, where the primary electron d...
Stark Effect Spectroscopy of Rhodobacter Sphaeroides and Rhodopseudomonas Viridis Reaction Centers
Biophysics Photosynthesis Electron Transfer Electroabsorption Electrochromism
2016/5/20
The nature of the initially excited state of the primary electron donor or special pair has been investigated by Stark effect spectroscopy for reaction centers from the photosynthetic bacteria Rhodops...