نتایج جستجو برای: 2 and cl
تعداد نتایج: 17226726 فیلتر نتایج به سال:
The study of the carbonate cements in the Permian-Triassic Dalan-Kangan formations resulted in the identification of five stages of calcite and dolomite cementation, which completely or partially occluded pores. Cement types appear to be early isopachous calcite (i; C1-non-luminescence), equant (ii; C2-dull CL), fairly coarse secondary dolomite rhombs (iii; C3-zoning red CL), coarse sparry calc...
Red moisture sensitive crystals of Nb2Cl10(P4S10)2 were obtained from a solution of P4S10 and Nb2Cl10 in CS2. Nb2Cl10(P4S10)2 crystallises in the space group P1̄ with a 9.577(2), b 10.894(2), c 11.477(2) Å, 71.40(1), β 68.14(1), γ 67.58(1)°; V 1005.2(3) Å3, Z 2. In the crystal structure molecules of P4S10 and Nb2Cl10 are arranged similar to the packing of the ions in the CaF2 structure type. A c...
In the present study, the effects of hypochlorous acid (HOCl), monochloramine (NH(2)Cl), glutamine-chloramine (Glu-Cl) and taurine-chloramine (Tau-Cl) on the formation of 12-lipoxygenase (LOX) metabolite, 12-HETE, and cyclooxygenase (COX) metabolites, TXB(2), and 12-HHT, from exogenous arachidonic acid (AA) in rat platelets were examined. Rat platelets (4x10(8)/ml) were preincubated with drugs ...
Abstract Nickel‐nitrogen‐carbon single‐atom catalysts have attracted widespread interest for CO 2 electroreduction but they suffer from poor stability. Herein, we report on the preparation of Cl‐ and N‐doped porous carbon nanosheets with atomically dispersed NiN 4 Cl active sites (NiN Cl‐ClNC) through a molten‐salt‐assisted pyrolysis strategy. The optimized Cl‐ClNC catalyst delivers exceptional...
The crystal structure of the monomeric vanadium(III) species mer-[V(bipy)Cl(3)(MeCN)] (1; bipy = 2,2'-bipyridine) is reported. The solvothermal reaction of [V(bipy)Cl(3)(MeCN)]with Na(O(2)CPh) yields the T-shaped cluster [V(3)(O)Cl(3)(O(2)CPh)(2)(bipy)(2)(OEt)(2)], magnetic studies of which show strong intramolecular antiferromagnetic coupling giving a well isolated S = 1 ground state. Solvothe...
The ClC-2 chloride channel is expressed in the plasma membrane of almost all mammalian cells. Mutations that cause loss function lead to retinal and testicular degeneration leukodystrophy, whereas gain-of-function mutations hyperaldosteronism. Leukodystrophy also observed with a GlialCAM, cell adhesion molecule binds glia. GlialCAM changes localization opens by altering its gating. We now used ...
The one-step synthesis (33 % isolated yield) of a novel bicyclic diphosphane, [P(CH2)2NC6H4(4-NMe2)]2, P−P(NMe2), from the reaction [P(CH2OH)4]Cl and H2NC6H4(4-NMe2) in methanol is described. Surprisingly, P−P(NMe2) displays excellent air/solution stability (towards H2O, CH3OH) can also function efficiently as bridging ligand. Hence with [Pd(μ−Cl)(η3-allyl)]2 (η3-allyl=C3H5, C4H7) or [Pd(μ−Cl)(...
The role of Cl(-) in photosynthetic O(2) evolution has been investigated by observing the (35)Cl NMR linewidth under a variety of conditions in aqueous suspensions of chloroplasts, primarily for the halophytes Avicennia germinans, Avicennia marina, and Aster tripolium but also for spinach. The line broadening shows there is weak, ionic binding of Cl(-) to thylakoids, the bound Cl(-) exchanging ...
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