نتایج جستجو برای: sulfur mustard gas
تعداد نتایج: 279932 فیلتر نتایج به سال:
The zinc-cadmium oxide (ZnO-CdO) nanocomposites with different weight percentages of cadmium oxide (CdO) nanoparticles were successfully synthesized by the sonochemical method using zinc and cadmium nitrates as precursors to probe their nano-structured surfaces for the decomposition reactions of chloroethyl phenyl sulfide (CEPS) as a surrogate of sulfur mustard agent simulant. Scanning electron...
Sulfur mustard agent (HD) (2,2'-dichloroethyl sulfide), a Schedule I compound on the Chemical Weapons Convention Schedule of Chemicals, remains a public health concern because it is simple to synthesize and it is in the chemical weapon stockpiles of several countries. A sensitive, rapid, accurate, and precise method was developed to quantitate trace levels of 1,1'-sulfonylbis [2-(methylthio) et...
The zinc-cadmium oxide (ZnO-CdO) nanocomposites with different weight percentages of cadmium oxide (CdO) nanoparticles were successfully synthesized by the sonochemical method using zinc and cadmium nitrates as precursors to probe their nano-structured surfaces for the decomposition reactions of chloroethyl phenyl sulfide (CEPS) as a surrogate of sulfur mustard agent simulant. Scanning electron...
Background: Mustard gas is a disabling chemical weapon and was widely used in first world war and Iraq-Iran war. Its toxic effects could be acute or chronic and they could particularly affects lungs, eyes and skin. Objective: To study the frequency of chronic complications of sulfure Mustard gas in Iranian victims 14 to 20 years after exposure. Patients and Methods: This descriptive cross-secti...
A total of 1118 soldiers who were wounded in war and hospitalized in Tehran, were examined for P .versicolor-a superficial mycotic infection. Of these, 213 were war-wounded, 54 chemical (mustard) gas-wounded, 42 both war and chemical gas-wounded, 105 had infectious and noninfectious diseases, and 704 were apparently healthy soldiers serving in war fronts who were examined for P. versicolor...
We recently published electron paramagnetic resonance (EPR) spin trapping results that demonstrated the enzymatic reduction of sulfur mustard sulfonium ions to carbon-based free radicals using an in vitro system containing sulfur mustard, cytochrome P450 reductase, NADPH, and the spin trap α-(4-pyridyl-1-oxide)-N-tert-butylnitrone (4-POBN) in buffer (A.A. Brimfield et al., 2009, Toxicol. Appl. ...
Background and Objective: Sulfur mustard is a vesicant agent. Its long-term effects include respiratory, eye, and skin complications. The most important skin long-term complications include itching, eczema, scars, xerosis, hyper-pigmentation, and hypo-pigmentation. Serum IgE titers have a direct relationship with eczema and other skin problems such as itching and xerosis in allergic diseases an...
The alkylating proficiency of sulfur-containing mustards may be increased by using an acridine moiety to guide the sulfur mustard to its cellular target. In this study, the interactions of a new series of sulfur-containing acridine ligands, some that also function as alkylating mustards, with DNA were evaluated by electrospray ionization mass spectrometry (ESI-MS). Relative binding affinities w...
The green sulfur bacterium Chlorobaculum tepidum is proposed to oxidize sulfide and elemental sulfur via sulfite as an obligate intermediate. The sulfite pool is predicted to be contained in the cytoplasm and be oxidized by the concerted action of ApsBA, which directly oxidizes sulfite, and QmoABC, which transfers electrons from ApsBA to the quinone pool. Like other green sulfur bacteria, C. te...
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