نتایج جستجو برای: hch صنعتی
تعداد نتایج: 23079 فیلتر نتایج به سال:
Sphingobium chinhatense strain IP26(T) is a conducive hexachlorocyclohexane (HCH) degrader isolated from a heavily contaminated (450 mg HCH/g soil) HCH dumpsite. IP26(T) degrades α-, β-, γ-, and δ-HCH, which are highly persistent in the environment. Here we report the draft genome sequence (~5.8 Mbp) of this strain.
This paper presents the characterization of the microbial community responsible for the in-situ bioremediation of hexachlorocyclohexane (HCH). Microbial community structure and function was analyzed using 16S rRNA amplicon and shotgun metagenomic sequencing methods for three sets of soil samples. The three samples were collected from a HCH-dumpsite (450 mg HCH/g soil) and comprised of a HCH/soi...
Pesticide residues in Indian agricultural soils due to extensive and sometimes indiscriminate use still pose a serious problem for the production and export of agricultural goods. Residues of pestcides including HCH (hexachlorocyclohexane) have even been detected in popular soft drinks such as CocaCola and Pepsi. In addition, at pesticide production sites, soils of the surrounding area are ofte...
Phospholipase A2 (PLA2) treatment has been shown previously to stimulate the sodium-dependent high-affinity choline uptake system as assessed by both the specific binding of [3H]hemicholinium-3 ([ 3H]HCh-3) and the uptake of [3H]choline. In the present study, the specificity of PLA2-induced stimulation upon [3H]HCh-3 binding has been examined. PLA2, as well as phospholipase C (PLC), treatment o...
A graph is clique-Helly if any family of mutually intersecting (maximal) cliques has non-empty intersection, and it is hereditary clique-Helly (abbreviated HCH) if its induced subgraphs are clique-Helly. The clique graph of a graph G is the intersection graph of its cliques, and G is self-clique if it is connected and isomorphic to its clique graph. We show that every HCH graph is an induced su...
یکی از آلایندههای خطرناک که به تالاب شادگان وارد میشود، آلایندههای آلی پایدار است. این آلایندهها، به دلیل چربی دوستی بالا و پایداری زیاد در محیطزیست در طول زنجیره غذایی تجمع پیدا میکنند. حدود 90 درصد جذب این آلایندهها در بدن انسان از طریق غذاهایی با منشا حیوانی صورت میگیرد. ماهی، مسیر اصلی برای ورود این آلایندهها بوده و رژیمهای غذایی حاوی میزان بالای ماهی، منجر به جذب بیشتری این تر...
The differential environmental fates and toxicities of the various hexachlorocyclohexane (HCH) isomers including lindane and isomers in the technical mixture will be the focus of this review. HCHs are one of the most widely used and most readily detected organochlorine pesticides in environmental samples. The relatively high volatility of HCH has led to global transport, even into formerly pris...
d-Hexachlorocyclohexane (d-HCH) interacts with cardiac ryanodine-sensitive Ca channels (RyR2), accounting in part for altered Ca transients and contractility (reported in companion report). Analysis of channel gating kinetics in the presence of d-HCH also revealed a nonfluctuating membrane current that remained even after RyR2 channels were blocked. We further elucidated the nature of a direct ...
Forty-five soil samples of surface (0–15 cm) and subsurface (15–30 cm) soils from agricultural sites of Delhi, Haryana, Haridwar, Uttar Pradesh (UP) and around the hexachlorocyclohexane (HCH) manufacturing plant of IPL (Indian Pesticide Limited) and nine samples of different commercial brands of drinking water from markets in Delhi were analysed for the presence of residues of HCH isomers. Thir...
Exposure to pesticides places pregnant women and the developing foetus at the highest risk. The objective of this study is to obtain an exposure assessment by investigating levels of pesticides in blood plasma of delivering women. We report on the concentrations of α, β, γ HCH, endosulfan, HCB and the pyrethroids: cis-permethrin, cyfluthrin, cypermethrin and deltamethrin found in the maternal b...
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