Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Jing-Qu Guan"'
Publikováno v:
Chinese Journal of Chemistry. 15:366-370
Ten aromatic derivatives of β-aminopropionic acid and γ-aminobutyric acid were prepared. Their compositions and structures were identified by elemental analysis, IR, and 1H NMR. They haw been examined for their antibacterial action against Staphylo
Autor:
Jing Qu Guan, Mark R. Chance
Publikováno v:
Trends in Biochemical Sciences. 30:583-592
Understanding the composition, structure and dynamics of macromolecules and their assemblies is at the forefront of biological science today. Hydroxyl-radical-mediated protein footprinting using mass spectrometry can define macromolecular structure,
Publikováno v:
Biochemistry. 44:3166-3175
The structures of filamentous Mg-ATP-actin (F actin) in the presence and absence of KCl have been mapped with hydroxyl radicals (*OH) generated by synchrotron X-ray radiolysis. Proteolysis and mass spectrometry (MS) analysis revealed 52 reactive side
Publikováno v:
Accounts of Chemical Research. 37:221-229
Hydroxyl radicals generated from millisecond exposure of aqueous solutions to synchrotron X-rays react with proteins to yield stable oxidative modifications of solvent-accessible amino acid side chains. Following proteolysis, HPLC/MS analysis is perf
Autor:
Xiu-Yu Yi, Hong-Ru Li, Xiao-He Xu, Li-Ping Zhang, Chen-Ho Tung, Kai Song, Li-Zhu Wu, Yun-Ming Ying, Hong-Wei Wang, Zhen-Yu Yuan, Ming Xu, Jing-Qu Guan
Publikováno v:
Pure and Applied Chemistry. 72:2289-2298
Molecular-sieve zeolites, Nafion membranes, low-density polyethylene films, and mixed surfactant vesicles have been used as microreactors to carry out organic photochemical reactions. The photo-cycloadditions of diaryl compounds with long flexible ch
Publikováno v:
Journal of Fluorescence. 10:21-26
Four novel pentamethine cyanines have been investigated for their photophysical behaviors and photochemical stability in Nafion-Na+ membranes. The incorporation processes of these dyes into Nafion membranes are diffusion-controlled and the apparent d
Publikováno v:
Materials Science and Engineering: C. 10:75-81
Supramolecular photochemistry is concerned with systems where non-covalent interactions become significant or dominate in determining the chemistry of guest/host systems. The supramolecular photochemistry of phenyl phenylacetates, photocycloaddition
Autor:
Jing-Qu Guan, Chen-Ho Tung
Publikováno v:
Langmuir. 15:1011-1016
In aqueous solution aggregation behaviors and the microenvironment characteristics of the micelle assemblies of five novel betaine surfactants, N-(3-alkoxy-2-hydroxypropyl)-N,N-dimethylglycines, have been investigated by steady-state fluorescence and
Autor:
Chen-Ho Tung, Jing-Qu Guan
Publikováno v:
Journal of Colloid and Interface Science. 208:90-95
Time-resolved and steady-state fluorescence have been employed to study the fluorescence quenching of pyrene, solubilized in novel micelles of the zwitterionic surfactant, N-(3-dodecyloxy-2-hydroxy propyl)-N,N-dimethylglycine (DHDG), by iodide ions i
Autor:
Jing-Qu Guan, Chen-Ho Tung
Publikováno v:
Journal of the American Chemical Society. 120:11874-11879
9,10-Dicyanoanthracene (DCA)-sensitized photooxidation of trans,trans-1,4-diphenyl-1,3-butadiene (DPB), trans-stilbene (TS), and α-pinene (PE) incorporated in Nafion membranes has been investigated. While the oxidation in homogeneous solution yields