نتایج جستجو برای: methyl styrene mst

تعداد نتایج: 119409  

CdS nanoparticles are II-VI group semiconductor in nature with suitable band gap for photoluminescence and photo-catalyst applications. CdS nanostructures were synthesized via a facile precipitation method in the presence of green capping agents such as starch, glucose, gelatin, salicylic acid in the green solvent of water. The influence of concentration, surfactant, precipitating agent on the ...

2017
Francis T. Pleban Olutosin Oketope Laxmi Shrestha

A review study was conducted to examine the adverse effects of styrene, styrene mixtures, or styrene and/or styrene mixtures and noise on the auditory system in humans employed in occupational settings. The search included peer-reviewed articles published in English language involving human volunteers spanning a 25-year period (1990-2015). Studies included peer review journals, case-control stu...

Journal: :Journal of bacteriology 1996
K Lee D T Gibson

Naphthalene dioxygenase (NDO) from Pseudomonas sp. strain NCIB 9816-4 adds both atoms of the dioxygen molecule to styrene to form (R)-l-phenyl-1,2-ethanediol. Product formation is tightly coupled to dioxygen consumption and NADH oxidation. NDO oxidizes styrene-d8 at almost the same initial rate as styrene. The results indicate that dioxygen activation by NDO is different from that by cytochrome...

Journal: :Journal of trauma & dissociation : the official journal of the International Society for the Study of Dissociation 2011
Carolyn B Allard Sarah Nunnink Amber M Gregory Bridget Klest Melissa Platt

Military sexual trauma (MST) is a widespread problem associated with negative psychological and physical health problems. This article presents the current state of MST research and highlights specific areas in need of more focused study. Areas that have produced the greatest body of knowledge include MST prevalence and psychological and physical health correlates. We propose a research agenda ...

Journal: :Cell reports 2014
Bridget E L Ostrem Jan H Lui Caitlyn C Gertz Arnold R Kriegstein

Evolutionary expansion of the human neocortex is partially attributed to a relative abundance of neural stem cells in the fetal brain called outer radial glia (oRG). oRG cells display a characteristic division mode, mitotic somal translocation (MST), in which the soma rapidly translocates toward the cortical plate immediately prior to cytokinesis. MST may be essential for progenitor zone expans...

Journal: :Trauma, violence & abuse 2008
Alina Suris Lisa Lind

This article reviews the literature documenting the prevalence of military sexual trauma (MST) and its associated mental and physical health consequences. Existing research indicates that prevalence rates of MST vary depending on method of assessment, definition of MST used, and type of sample. Risk factors for MST have been identified as including age, enlisted rank, negative home life, and pr...

Journal: :Toxicological sciences : an official journal of the Society of Toxicology 2007
Guang-Di Chen Lai-Har Chi Paul J Kostyniak Donald Henderson

It is known that styrene is ototoxic and causes cochlear damage starting from the middle turn. However, the cellular mechanism underlying styrene ototoxicity is still unclear. In this study, rats were exposed to styrene by gavage at different doses once a day for varying periods. Styrene levels in the cochlear tissues, styrene-induced permanent hearing loss, cochlear disruptions, and cell death...

Journal: :Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment 2014
Susan Genualdi Patricia Nyman Timothy Begley

Due to the 2011 labelling of styrene monomer as "reasonably anticipated to be a human carcinogen" by the National Institutes of Health's National Toxicology Program (NTP) and the controversy over whether styrene oligomers mimic the physiological effects of estrogen, an updated review of styrene monomer and oligomers in food and food contact materials (FCMs) was performed. The concentrations of ...

Journal: :The Journal of biological chemistry 2007
Noriyuki Nagahara Taro Yoshii Yasuko Abe Tomohiro Matsumura

Rat 3-mercaptopyruvate sulfurtransferase (MST) contains three exposed cysteines as follows: a catalytic site cysteine, Cys(247), in the active site and Cys(154) and Cys(263) on the surface of MST. The corresponding cysteine to Cys(263) is conserved in mammalian MSTs, and Cys(154) is a unique cysteine. MST has monomer-dimer equilibrium with the assistance of oxidants and reductants. The monomer ...

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