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Showing 1-30 of 85 results for "I8507" within Papers
Dehua Liao et al.
Drug delivery, 22(4), 516-521 (2014-01-29)
The aim of this research was to increase the oral bioavailability of puerarin by N-trimethyl chitosan-modified microemulsions (TMC-MEs) loaded with puerarin. Different concentrations of TMC-modified microemulsions were prepared in our study, and then evaluated for particle size, zeta potential, morphological
Wendell Ho-Tin Law et al.
ChemMedChem, 9(6), 1316-1329 (2014-03-20)
We present a new class of phosphorescent cyclometalated iridium(III) bipyridyl-phenylenediamine complexes [Ir(N^C)2 (bpy-DA)](PF6 ) (bpy-DA=4-(N-(2-amino-5-methoxyphenyl)aminomethyl)-4'-methyl-2,2'-bipyridine; HN^C=2-(2,4-difluorophenyl)pyridine (Hdfppy) (1 a), 2-phenylpyridine (Hppy) (2 a), 2-phenylquinoline (Hpq) (3 a), 2-phenylcinchoninic acid methyl ester (Hpqe) (4 a)) and their triazole counterparts [Ir(N^C)2 (bpy-T)](PF6
Beata Jędrzejewska et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 79(5), 985-992 (2011-05-11)
Electronic absorption and fluorescence spectra of eight hemicyanine dyes were recorded at room temperature in several solvents of different polarity. The spectral data were analyzed using the theory of solvatochromism, based on a dielectric continuum description of the solvent and
Shigeo Hayakawa et al.
The Journal of chemical physics, 137(18), 184308-184308 (2012-11-21)
High-energy electron transfer dissociation (HE-ETD) on collisions with alkali metal targets (Cs, K, and Na) was investigated for CH(3)X(+) (X = Cl, Br, and I) ions by a charge inversion mass spectrometry. Relative peak intensities of the negative ions formed
Richeng Xuan et al.
Environmental science & technology, 46(11), 6143-6149 (2012-04-27)
Implicated as a stratospheric ozone-depleting compound, methyl bromide (MeBr) is being phased out despite being considered to be the most effective soil fumigant. Its alternatives, i.e., 1,3-dichloropropene (1,3-D, which includes cis and trans isomers), chloropicrin (CP), and methyl iodide (MeI)
Absolute reaction rate of chlorine atoms with iodomethane.
Kambanis KG, et al.
Chemical Physics Letters, 268(5), 498-504 (1997)
Rachel R Schendel et al.
Carbohydrate research, 407, 16-25 (2015-02-24)
In comparison to the annual grain crops dominating current agricultural production, perennial grain species require fewer chemical and energy inputs and improve soil health and erosion control. The possibility for producing sustainable grain harvests from marginal land areas is motivating
Lifang Luo et al.
Journal of environmental quality, 40(1), 109-117 (2011-04-15)
Due to ever-increasing state and federal regulations, the future use of fumigants is predicted on reducing negative environmental impacts while offering sufficient pestcontrol efficacy. To foster the development of a best management practice, an integrated tool is needed to simultaneously
Edvard Ehler et al.
Neurotoxicology, 32(3), 307-311 (2011-02-19)
Dichloromethane and iodomethane are colorless relatively volatile liquids, which are used as solvents in chemical manufacturing processes. The major route of exposure is via inhalation and to a lesser extent through the skin and digestive tract. Both substances are characterized
Nasima Akter et al.
Bioscience, biotechnology, and biochemistry, 76(11), 2032-2037 (2012-11-08)
Glutathione (GSH) is involved in abscisic acid (ABA)- and methyl jasmonate (MeJA)-induced stomatal closure in Arabidopsis thaliana. In this study, we examined the effects of GSH-decreasing chemicals, p-nitrobenzyl chloride (PNBC), iodomethane (IDM), and ethacrynic acid (EA), on ABA- and MeJA-induced
Li-Chan Yang et al.
Carbohydrate polymers, 124, 150-156 (2015-04-04)
Rice hulls (Oryza sativa) are high in carbohydrate content and have been utilized as dietary fiber. The immunomodulatory bioactivity of rice hull polysaccharides (RHPS) has rarely been reported. This study demonstrated the structural characteristics and immunomodulating of RHPS. The RHPS
Akram Ayoub et al.
International journal of biological macromolecules, 75, 13-20 (2015-01-21)
Our laboratory has developed a technique to reconstruct in vitro tissue from human cells using the self-assembly tissue-engineering method, which utilizes the ability of fibroblasts to deposit the matrix they secrete. The time necessary for tissue construction, several weeks, is
Warayuth Sajomsang et al.
International journal of biological macromolecules, 50(1), 263-269 (2011-11-22)
Five water-soluble chitosan derivatives were carried out by quaternizing either iodomethane or N-(3-chloro-2-hydroxypropyl) trimethylammonium chloride (Quat188) as a quaternizing agent under basic condition. The degree of quaternization (DQ) ranged between 28±2% and 90±2%. The antifungal activity was evaluated by using
Riet Bammens et al.
Glycobiology, 25(6), 669-682 (2015-01-23)
The congenital disorders of glycosylation (CDG), a group of inherited diseases characterized by aberrant glycosylation, encompass a wide range of defects, including glycosyltransferases, glycosidases, nucleotide-sugar transporters as well as proteins involved in maintaining Golgi architecture, pH and vesicular trafficking. Mutations
Eric Epstein et al.
Small (Weinheim an der Bergstrasse, Germany), 11(45), 6051-6057 (2015-10-10)
The fabrication and properties of pH-responsive colloidal particles are reported, which change shape rapidly (less than 200 ms), nearly independent of the diffusion of the pH altering species that trigger their actuation, and far more rapid than their Brownian motion.
Erin N Mayfield et al.
Journal of environmental management, 106, 93-101 (2012-05-12)
We examine the progress of the phaseout of the use of the pesticide methyl bromide in the production of California field strawberries. This phaseout is required under the Montreal Protocol and has been contentious in this sector, which receives exemptions
High-resolution chemical ionization mass spectrometry (ToF-CIMS): application to study SOA composition and processing.
Aljawhary D, et al.
Atmospheric Measurement Techniques, 6(11), 3211-3224 (2013)
John E Schiel et al.
Journal of mass spectrometry : JMS, 48(4), 533-538 (2013-04-16)
The continually growing list of critical glycosylation-related processes has made analytical methodology for detailed glycan characterization an area of increasing interest. Glycosylation is a post translational modification of unsurpassed complexity due to the variety of compositions and linkages formed by
Nicholas G Davey et al.
Rapid communications in mass spectrometry : RCM, 29(23), 2187-2194 (2015-11-03)
The ability of membrane introduction mass spectrometry to quantitatively resolve low molecular weight volatile organic compounds (VOCs) such as benzene, toluene, ethylbenzene and xylene (BTEX) using electron ionization (EI) can be compromised by isobaric interferences. This work focuses on reducing
Kyoung-Soon Jang et al.
Analytical and bioanalytical chemistry, 407(20), 6181-6190 (2015-06-24)
In Campylobacterales and related ε-proteobacteria with N-linked glycosylation (NLG) pathways, free oligosaccharides (fOS) are released into the periplasmic space from lipid-linked precursors by the bacterial oligosaccharyltransferase (PglB). This hydrolysis results in the same molecular structure as the oligosaccharide that is
Michael L Granda et al.
American journal of physiology. Renal physiology, 307(1), F116-F121 (2014-05-09)
The intrarenal dopamine system is important for signaling and natriuresis, and significant dysfunction is associated with hypertension and kidney disease in ex vivo studies. Dopamine receptors also modulate and are modulated by the renin-angiotensin-aldosterone system. Here, we show the first
Sébastien Allard et al.
Water research, 44(15), 4623-4629 (2010-06-29)
This paper demonstrates that manganese oxides can initiate the formation of methyl iodide, a volatile compound that participates to the input of iodine into the atmosphere. The formation of methyl iodide was investigated using a natural manganese oxide in batch
Rainer Glaser et al.
Journal of agricultural and food chemistry, 60(7), 1776-1787 (2012-02-09)
The results are reported of a theoretical study of iodomethane (H(3)C-I, 1) and chloropicrin (Cl(3)C-NO(2), 2), of the heterodimers 3-6 formed by aggregation of 1 and 2, and of their addition products 7 and 8 and their possible fragmentation reactions
Ravindra V Badhe et al.
Carbohydrate polymers, 130, 213-221 (2015-06-17)
A new chitosan-based tri-block conjugate, O-PEG-chitosan-N-cysteine was synthesized using microwave irradiation. For synthesis of this derivative, chitosan was modified to a PEG-chitosan conjugate followed by PEG-chitosan-cysteine using 6-O PEGylation and 2-N-thiolation, respectively. The synthesized derivative was characterized using various analytical
Methylation of chitosan with iodomethane: effect of reaction conditions on chemoselectivity and degree of substitution.
Curti E, et al.
Macromolecular Bioscience, 3(10), 571-576 (2003)
Ann-Charlotte Almstrand et al.
Analytical and bioanalytical chemistry, 407(17), 5045-5052 (2015-03-05)
Lipidomic analysis of the complex mixture of lipids isolated from biological systems can be a challenging process that often involves tandem mass spectrometry and interpretation of both precursor ions and product ions relative to the molecular structure of the lipids.
Radiofrequency pulse sequences which compensate their own imperfections. 1980.
Ray Freeman et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 213(2), 247-273 (2011-12-14)
Microhydration effects on the intermediates of the S(N)2 reaction of iodide anion with methyl iodide.
Keisuke Doi et al.
Angewandte Chemie (International ed. in English), 52(16), 4380-4383 (2013-01-31)
Platinum-catalyzed addition of iodomethane to acetylene.
Mitchenko SA, et al.
Russian Chemical Bulletin, 62(4), 984-988 (2013)
Ivan Sanchez-De Melo et al.
Journal of proteomics, 127(Pt B), 225-233 (2015-04-25)
The pharmaceutical market has entered an era in which the production of new therapeutics is being often replaced by "biosimilars", copies of already commercialized products waiting for the patents to expire in order to be distributed in a more competitive
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