Browsing Chemistry and Biochemistry by Title
Now showing items 198-217 of 675
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Effect of 2-fluorohistidine labeling of the anthrax protective antigen on stability, pore formation, and translocation
(American Chemical Society, 2007-12-25)The action of anthrax toxin relies in part upon the ability of the protective antigen (PA) moiety to form a heptameric pore in the endosomal membrane, providing a portal for entry of the enzymic moieties of the toxin into ... -
Effect of axial ligation or pi-pi-type interactions on photochemical charge stabilization in "two-point" bound supramolecular porphyrin-fullerene conjugates
(John Wiley and Sons, 2005-07-18)Two types of structurally well-defined, self-assembled zinc porphyrin-fullerene conjugates were formed by "two-point" binding strategies to probe the effect of axial ligation or pi-pi-type interactions on the photochemical ... -
Effect of the receptor CMG2 on stability changes in Domain IV of anthrax toxin protective antigen in comparison to the full-length protein
(Wichita State University, 2016-04-29)The anthrax protective antigen is an 83 kDa protein secreted by Bacillus anthracis, and is required for entry of the edema factor and lethal factor, that leads to Anthrax. PA bound to Capillary Morphogenesis Receptor (CMG2) ... -
Effects of nanosilica filler on the thermal and mechanical properties of an epoxy/amine resin system
(Wichita State University, 2011-12)The cure kinetics of an epoxy resin with surface modified silica filler (Nanopox F 400 resin) and without silica filler (DGEBA resin), cured with an amine curing agent, DDS at an N-H/epoxy molar ratio of 1.1:1 was studied ... -
Effects of structure on inhibitory activity in a series of mechanism-based inhibitors of human neutrophil elastase
(Elsevier, 2010-09-15)A structurally-diverse series of carboxylate derivatives based on the 1,2,5-thiadiazolidin-one 1,1 dioxide scaffold were synthesized and used to probe the S' subsites of human neutrophil elastase (HNE) and neutrophil ... -
Efficacy of a 3C-like protease inhibitor in treating various forms of acquired feline infectious peritonitis
(SAGE, 2018-04)Objectives. The safety and efficacy of the 3C-like protease inhibitor GC376 was tested on a cohort of client-owned cats with various forms of feline infectious peritonitis (FIP). Methods. Twenty cats from 3.3-82 months ... -
Efficient inhibition of human leukocyte elastase and cathepsin G by saccharin derivatives
(American Chemical Society, 1993-10-15)A series of saccharin derivatives I has been synthesized and evaluated for their inhibitory activity toward human leukocyte elastase and cathepsin G. Most of the compounds were found to be efficient and time-dependent ... -
Electrochemical, spectral, and computational studies of metalloporphyrin dimers formed by cation complexation of crown ether cavities
(American Chemical Society, 2004-11-01)The effect on the electrochemical oxidation and reduction potentials of 5,10,15,20-tetrakis(benzo-15-crown-5)porphyrin (TCP) and its metal derivatives (MTCP; M = Mg(II), VO(IV), Co(II), Ni(II), Cu(II), Zn(II), Pd(II), ... -
Electrochemistry and spectral characterization of oxidized and reduced (TPPBr(x)())FeCl where TPPBr(x)() is the dianion of beta-brominated-pyrrole tetraphenylporphyrin and x varies from 0 to 8
(American Chemical Society, 1996-09-11)The electrochemistry and spectroelectrochemistry of (TPPBr(x)())FeCl (TPPBr(x)() is the dianion of beta-brominated-pyrrole tetraphenylporphyrin and x = 0-8) were examined in PhCN containing tetra-n-butylammonium perchlorate ... -
Electron transfer dissociation of dipositive uranyl and plutonyl coordination complexes
(John Wiley and Sons, 2011-12)Reported here is a comparison of electron transfer dissociation (ETD) and collision-induced dissociation (CID) of solvent-coordinated dipositive uranyl and plutonyl ions generated by electrospray ionization. Fundamental ... -
Electron transfer in porphyrin-fullerene dyads
(Wichita State University. Graduate School., 2005-04-22) -
Electronic and photophysical properties of platinum(II) biphenyl complexes containing 2,2’-bipyridine and 1,10-phenanthroline ligands
(American Chemical Society, 2012-12-27)Pt(bph)(bpy) and Pt(bph)(phen), where bph is the 2,2′-biphenyl dianion, bpy is 2,2′-bipyridine, and phen is 1,10-phenanthroline, crystallize in the space groups I41/a and P21/c, respectively, in two different configurations ... -
Electronic energy harvesting multi BODIPY-zinc porphyrin dyads accommodating fullerene as photosynthetic composite of antenna-reaction center
(Royal Society of Chemistry, 2010-07-21)Efficient electronic energy transfer (EET) in the newly synthesized dyads comprised of zinc porphyrin covalently linked to one, two or four numbers of boron dipyrrin (BDP) entities is investigated. Both steady-state and ... -
Electronic structure calculations of fluorohistidine isomers
(American Chemical Society, 2014-08-10)This work assesses the stability and NMR shifts of fluorinated amino acids in different solvents. We have considered the τ and π tautomers for both 2-fluorohistidine (2F-his) and 4-fluorohistidine (4F-his) corresponding ... -
Electronic, Spectral, and Electrochemical Properties of (TPPBr(x)())Zn Where TPPBr(x)() Is the Dianion of beta-Brominated-Pyrrole Tetraphenylporphyrin and x Varies from 0 to 8
(American Chemical Society, 1998-09-07)The electronic, spectral, and electrochemical characterization of (meso-tetraphenylporphyrinato)zinc(II) complexes bearing between 0 and 8 bromo substituents at the beta-pyrrole positions is reported. The investigated ... -
Electropolymerization of Triphenylamine appended Zinc Porphyrin to form Porphyrin-Fullerene dyads at the electrode surface for photochemical studies
(Wichita State University. Graduate School, 2009-05-01)Porphyrins with their attractive chemical properties qualify to seek potential technological applications including solar energy conversion, sensors, catalysts, biomedicine, molecular electronics, and photonics. Many of ... -
Elemental dependence of structurally specific isotopic shifts in high-field ion mobility spectra
(ACS, 2019-02-01)Nearly all molecules incorporate at least one element with stable isotopes, yielding ubiquitous isotopologic envelopes in mass spectra. Those envelopes split in differential or field asymmetric waveform ion mobility (FAIMS) ... -
Elucidation of the collision induced dissociation pathways of water and alcohol coordinated complexes containing the uranyl cation
(Springer, 2003-11-01)Multiple-stage tandem mass spectrometry was used to characterize the dissociation pathways for complexes composed of (1) the uranyl ion, (2) nitrate or hydroxide, and (3) water or alcohol. The complex ions were derived ... -
Enantiomer separations by capillary electrophoresis
(Springer New York, 2016-09-20)Capillary electrophoresis (CE) is a versatile and flexible technique for analytical enantioseparations. This is due to the large variety of chiral selectors as well as the different operation modes including electrokinetic ... -
Enantioselective inhibition of human leukocyte elastase
(Elsevier, 1992-08-15)(RS)-Diethyl-2-benzyl-succinate was resolved using alpha-chymotrypsin. The two enantiomers were then elaborated to yield (S)-(+) and (R)-(-)-3-benzyl-N-[(methyl-sulfonyl)oxy]succinimide and the inhibitory activity of the ...