نتایج جستجو برای: tabun
تعداد نتایج: 177 فیلتر نتایج به سال:
Four nonvolatile nerve agent surrogates, 4-nitrophenyl ethyl dimethylphosphoramidate (NEDPA, a tabun surrogate), 4-nitrophenyl ethyl methylphosphonate (NEMP, a VX surrogate), and two sarin surrogates, phthalimidyl isopropyl methylphosphonate (PIMP) and 4-nitrophenyl isopropyl methylphosphonate (NIMP), were synthesized and tested as acetylcholinesterase (AChE) and butyrylcholinesterase (BuChE) i...
The Zuttiyeh hominin craniofacial fossil was discovered in Israel in 1925. Radiometric dates and the archaeological context (Acheulo-Yabrudian) bracket the associated cave layers to between 200 and 500 ka (thousands of years ago), making it one of the earliest cranial fossils discovered in the Near East thus far. Its geographic position, at the corridor between Africa and Eurasia, in combinatio...
Fully modern human form more gracile than the antecedent archaic modern form was evident by 30,000 years ago. One hypothesis to explain this decrease in skeletal robustness is that change occurred in human diet and that this change was associated with a decrease in activity levels required in both individual and group behavior. It is possible to study dietary change directly using trace element...
In this study, we determined the ability of recombinant human liver prolidase to hydrolyze nerve agents in vitro and its ability to afford protection in vivo in mice. Using adenovirus containing the human liver prolidase gene, the enzyme was over expressed by 200- to 300-fold in mouse liver and purified to homogeneity by affinity and gel filtration chromatography. The purified enzyme hydrolyzed...
We include in this review an assessment of the formation, environmental fate, and mammalian and ecotoxicity of CW agent degradation products relevant to environmental and occupational health. These parent CW agents include several vesicants: sulfur mustards [undistilled sulfur mustard (H), sulfur mustard (HD), and an HD/agent T mixture (HT)]; nitrogen mustards [ethylbis(2-chloroethyl)amine (HN1...
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