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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...
西北大学量子力学课件第五章第三节 氢原子一级 stark效应
西北大学 量子力学 课件 第五章 第三节 氢原子一级 stark效应
2017/4/14
西北大学量子力学课件第五章第三节 氢原子一级 stark效应。
Measuring Electric Fields and Noncovalent Interactions Using the Vibrational Stark Effect
Organic Chemicals Proteins Vibration Models,Molecular Static Electricity
2016/5/25
Over the past decade, we have developed a spectroscopic approach to measure electric fields inside matter with high spatial (<1 Å) and field (<1 MV/cm) resolution. The approach hinges on exploiti...
Solvent-Induced Infrared Frequency Shifts in Aromatic Nitriles are Quantitatively Described by the Vibrational Stark Effect
Nitriles Spectroscopy,Fourier Transform Infrared Vibration Static Electricity Solvents
2016/5/25
The physical properties of solvents strongly affect the spectra of dissolved solutes, and this phenomenon can be exploited to gain insight into the solvent-solute interaction. The large solvatochromic...
Stark Realities
Rhodobacter Calibration Biocompatible Materials Magnetic Resonance Spectroscopy Materials Testing Biophysics Models,Theoretical Photochemistry Photosynthesis Chemistry, Physical
2016/5/25
Electric fields affect any process or transition that involves the movement of charge. Stark spectroscopy is a general term describing the study of spectral changes in the presence of electric fields,...
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...
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...
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...
Charge Delocalization in the Special-Pair Radical Cation of Mutant Reaction Centers of Rhodobacter Sphaeroides from Stark Spectra and Nonadiabatic Spectral Simulations
Rhodobacter sphaeroides Cations Spectrophotometry Spectroscopy, Fourier Transform Infrared Mutagenesis,Site-Directed Absorption Dimerization Oxidation-Reduction Mutation Electrochemistry
2016/5/24
Stark and absorption spectra for the hole-transfer band of the bacteriochlorophyll special pair in the wild-type and L131LH, M160LH, and L131LH/M160LH mutants of the bacterial reaction center of Rhodo...
Probing Excited-State Electron Transfer by Resonance Stark Spectroscopy:4.Mutations near BL in Photosynthetic Reaction Centers Perturb Multiple Factors that Affect BL/fBL+HL
Excited-State Electron Transfer Resonance Stark Spectroscopy Mutations near BL Photosynthetic Reaction Centers Perturb Multiple Factors BL/fBL+HL
2016/5/24
Stark spectra have been obtained in the region of absorption by the accessory bacteriochlorophylls (the B-band region around 800 nm) in Rhodobacter sphaeroides reaction centers. The Stark spectra in t...
Probing Excited-State Electron Transfer by Resonance Stark Spectroscopy:3.Theoretical Foundations and Practical Applications
contracted basis Lanczos algorithm methane vibrational spectroscopy
2016/5/24
Resonance Stark effects are nonclassical Stark effects associated with excited-state charge-transfer processes. The theory of resonance Stark effects developed in Part 2 of this series is generalized ...
A Theory of Intervalence Band Stark Effects
urea aggregation temperature effect orientational distribution
2016/5/24
The response of an intervalence band to an applied electric field, called an intervalence band Stark effect, is considered in detail. Because the application of an electric field to a symmetric mixed-...
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...
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...