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K Kawakami et al.
Biotechnology progress, 6(5), 357-361 (1990-09-01)
Immobilization of Nocardia corallina B-276 was examined for production of 1,2-epoxyoctane from 1-octene in the presence of n-hexadecane as the organic solvent. Hydrophobic silicone polymer was the most suitable material for entrapment of the cells. Coentrapment of aqueous reaction medium...
Bradley J VanMiddlesworth et al.
Journal of chromatography. A, 1364, 171-182 (2014-09-15)
Modification of the Linear Solvation Energy Relationship (LSER) equation to account for ionic interactions in the retention of ionizable compounds has enabled the elucidation in the effect of the imidazolium cation identity on retention. Three Surface Confined Ionic Liquid stationary...
Young Soo Ko et al.
Journal of nanoscience and nanotechnology, 10(1), 180-185 (2010-04-01)
The effect of nanopore in mesoporous materials confining (n-BuCp),ZrCl2 and methylaluminoxane (MAO) on ethylene-1-hexene and ethylene-1-octene copolymerization was investigated on the basis of the copolymerization results, and the analysis of the supported catalyst and the copolymers. SBA-15 and MCM-41 together...
Aleksandr Fridlyand et al.
The journal of physical chemistry. A, 119(28), 7559-7577 (2015-02-25)
The high pressure and temperature oxidation of methyl trans-2-nonenoate, methyl trans-3-nonenoate, 1-octene, and trans-2-octene are investigated experimentally to probe the influence of the double bond position on the chemical kinetics of long esters and alkenes. Single pulse shock tube experiments...
Cooperative ligand effects in phase-switching homogeneous catalysts.
Molise Mokhadinyana et al.
Angewandte Chemie (International ed. in English), 51(7), 1648-1652 (2012-01-13)
Hiroyuki Ohno et al.
Journal of AOAC International, 97(5), 1452-1458 (2015-04-24)
A headspace GC/MS method was developed for identification and quantitation of residual volatile organic compounds in poly(methyl methacrylate) (PMMA) kitchen utensils. A sample was cut into small pieces, then N,N-dimethylacetamide was added in a headspace vial and sealed. After storing...
Yicheng Xu et al.
Journal of nanoscience and nanotechnology, 13(7), 5048-5052 (2013-08-02)
Thermoregulated ionic liquid and organic biphasic system composed of ionic liquid [CH3(OCH2 CH2)22N+Et3][CH3SO3-] (abbreviated as IL(PEG1000)) containing IL(PEG1000)-stabilized Rh nanoparticles and organic solvent, which allows for not only highly efficient homogeneous reaction but also an easy biphasic separation, was applied...
Emma B Hager et al.
Dalton transactions (Cambridge, England : 2003), 41(45), 13927-13935 (2012-10-02)
Water-soluble dendritic ligands based on tris-2-(5-sulfonato salicylaldimine ethyl)amine (5) and DAB-(5-sulfonato salicylaldimine) (6) (DAB = diaminobutane) were synthesized by means of Schiff base condensation and sulfonation reactions. These dendritic ligands were fully characterized by (1)H NMR, (13)C NMR and FT-IR...
A cartridge system for organometallic catalysis: sequential catalysis and separation using supercritical carbon dioxide to switch phases.
Maurizio Solinas et al.
Angewandte Chemie (International ed. in English), 44(15), 2291-2295 (2005-03-12)
Mitsutoshi Kubota et al.
Bioscience, biotechnology, and biochemistry, 69(12), 2421-2430 (2005-12-27)
The cytochrome P450 CYP153 family is thought to mediate the terminal hydroxylation reactions of n-alkanes. We isolated 16 new P450 CYP153A genes (central region) from various environments such as petroleum-contaminated soil and groundwater, as well as one from the n-alkane-degrading...
Aqueous-phase hydroformylation of 1-octene: styrene latices as phase-transfer agents.
Katharina Kunna et al.
Angewandte Chemie (International ed. in English), 45(43), 7289-7292 (2006-10-10)
Ramsés V Martinez et al.
Nano letters, 5(6), 1161-1164 (2005-06-10)
Nanometer-size menisci of organic liquids such as octane and 1-octene have been formed and used to confine chemical reactions. The application of a bias voltage between a conductive scanning probe tip separated a few nanometers from a silicon surface allows...
J Simal-Gándara et al.
Food additives and contaminants, 17(8), 703-711 (2000-10-12)
The advent of the functional barrier concept in food packaging has brought with it a requirement for fast tests of permeation through potential barrier materials. In such tests it would be convenient for both foodstuffs and materials below the functional...
R Drake et al.
Combinatorial chemistry & high throughput screening, 5(3), 201-209 (2002-04-23)
Six precursor resins with systematic variation of porous parameters were prepared by suspension polymerisation using specific compositions of divinylbenzene, styrene vinylbenzyl chloride (VBC) and 2-ethylhexan-l-ol (a porogen). Surface areas from N(2) sorption and BET analysis were approximately 2-170 m(2)g-(1). The...
A Hempel-Jørgensen et al.
Archives of environmental health, 54(2), 86-94 (1999-03-27)
In this study, we investigated the time course effect of sensory eye irritation in 16 subjects exposed (i.e., eye only) to n-butanol and 1-octene. Half the subjects were exposed to n-butanol, and the remaining subjects were exposed to 1-octene. Each...
Meng Xie et al.
Applied biochemistry and biotechnology, 165(3-4), 823-831 (2011-06-08)
Bacterial alkane hydroxylases are of high interest for bioremediation applications as they allow some bacteria to grow in oil-contaminated environments. Furthermore, they have tremendous biotechnological potential as they catalyse the stereo- and regio-specific hydroxylation of chemically inert alkanes, which can...
Cristina Nerín et al.
Journal of agricultural and food chemistry, 50(25), 7488-7492 (2002-11-28)
The behavior of two synthetic adsorbents, Tenax and Porapak, as food simulants in contact with some plastic containers commercially available, recommended to be used for heating food in microwave ovens, has been studied. Containers of polycarbonate (PC), polypropylene (PP), polypropylene...
P R Ortiz de Montellano et al.
The Journal of biological chemistry, 258(7), 4208-4213 (1983-04-10)
Oxidation of 1-octene by cytochrome P-450 results concurrently in formation of 1,2-oxidooctane and in N-alkylation by the catalytically activated olefin of the prosthetic heme group. The stereochemistry of trans-1-[1-2H]octene is retained during both transformations. This alkylation stereochemistry requires addition of...
Dennis Shusterman et al.
Inhalation toxicology, 18(7), 457-471 (2006-04-11)
Irritation of the eyes, nose, and throat by airborne chemicals--also referred to as "sensory irritation"--is an important endpoint in both occupational and environmental toxicology. Modeling of human sensory irritation relies on knowledge of the physical chemistry of the compound(s) involved...
Zhi-Jun Zhang et al.
Bioresource technology, 130, 789-792 (2013-01-30)
Upgrading bio-oil by addition reactions across olefins represents a route to refine bio-oil to combustible and stable oxygen-containing fuels. Development and application of highly active strong solid acid catalysts with good hydrothermal stability has become a key determinant for success...
Sara M Aschmann et al.
Environmental science & technology, 44(10), 3825-3831 (2010-04-28)
Products of the gas-phase reactions of OH radicals with 1-octene and 7-tetradecene have been investigated at 296 +/- 2 K and atmospheric pressure of air, using gas chromatography, direct air sampling atmospheric pressure ionization tandem mass spectrometry, and in situ...
F P Guengerich
Biochemical and biophysical research communications, 138(1), 193-198 (1986-07-16)
The heme in rat liver microsomal cytochrome P-450 was labeled with 14C or 3H and the microsomes were fractionated after in vitro incubations with a variety of agents known to destroy cytochrome P-450 heme. A major fraction of the heme...
J C Quada et al.
Bioorganic & medicinal chemistry, 9(9), 2303-2314 (2001-09-13)
The syntheses of several novel halogenated bithiazoles structurally related to the bithiazole moiety of bleomycin A(5) are described. Also described is the ability of these compounds to mediate photoactivated DNA cleavage. Chlorinated bithiazole analogues were shown to be much more...
Frans T I Marx et al.
Journal of molecular modeling, 15(11), 1371-1381 (2009-06-02)
The productive self-metathesis reaction of 1-octene in the presence of the Phobcat precatalyst [RuCl(2)(Phoban-Cy)(2)(=CHPh)] using density functional theory was investigated and compared to the Grubbs 1 precatalyst [RuCl(2)(PCy(3))(2)(=CHPh)]. At the GGA-PW91/DNP level, the geometry optimization of all the participating species...
Mark Kuil et al.
Journal of the American Chemical Society, 128(35), 11344-11345 (2006-08-31)
We report the formation of high-precision catalysts using encapsulated rhodium complexes. In the current example, the encapsulated rhodium catalyst shows unprecedented high selectivity in the rhodium-catalyzed hydroformylation of internal alkenes, forming predominantly one of the branched aldehydes. This catalyst system...
I N White et al.
Biochemical pharmacology, 35(9), 1569-1575 (1986-05-01)
The enzymic activation of a model olefin oct-1-ene was studied in rat liver microsomal systems in vitro. An active metabolite was trapped using N-acetylcysteine and identified by means of capillary GLC/mass spectrometry and 360 MHz 1H NMR as S-3-oxo-octyl-N-acetylcysteine. A...