نتایج جستجو برای: lipoxygenase allylbenzene dmab kinetic mbth
تعداد نتایج: 92610 فیلتر نتایج به سال:
The influence of pretreatment of AAO template and deposition process on magnetic NiCoFe nanowire fabricated by electroless method was investigated. The Electroless process carried out at room temperature using DMAB as a reductant agent. SEM and EDX analysis used to characterize the deposited sample. According to the results, sonication during deposition process is not recommended in fabrication...
When p-aminothiophenol (PATP) is used as a probe molecule and adsorbs on silver and gold nanogaps, a significant change of relative SERS intensities can be observed. Our DFT calculations show that surface photocatalytic coupling reactions yield a new surface species of p,p'-dimercaptoazobenzene (DMAB) causing the significant change in the SERS spectra.
Catechols were synthesized from safrole. Nine derivatives were prepared and assessed for antiproliferative effects using different human cell lines. The in vitro growth inhibition assay was based on the sulphorhodamine dye to quantify cell viability. The derivatives 4-allylbenzene-1,2-diol (3), 4 4-[3-(acetyloxy)propyl]-1,2-phenylene diacetate (6) and 4-[3-(acetyloxy)propyl]-5-nitro-1,2-phenyle...
A bacterial lipoxygenase (LOX) shows a deuterium kinetic isotope effect (KIE) that is similar in magnitude and temperature dependence to the very large KIE of eukaryotic LOXs. This occurs despite the evolutionary distance, an ~25% smaller catalytic domain, and an increase in Ea of ~11 kcal/mol. Site-specific mutagenesis leads to a protein variant with an Ea similar to that of the prototypic pla...
Menthol vapours are irritant to eyes, nose and throat, and ingestion of this chemical has been reported by Von Oetingen (1958)1) to cause abdominal pain, vomiting, staggering gait and sopor. The workers exposed to high concentrations of menthol vapours in an industry manufacturing menthol crystalls from the plant extracted mentha oil complained of drowsiness, headache, nausea and vomiting. Till...
This study presents the research on the chemical analysis and genotoxicity of 28 virgin/recycled paper products in food-contact use. In the chemical analysis, paper products were extracted by reflux with ethanol, and analyzed by gas chromatography/mass spectrometry. 4,4'-bis(dimethylamino)benzophenone (Michler's ketone: MK), 4,4'-bis(diethylamino)benzophenone (DEAB), 4-(dimethylamino)benzopheno...
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