نتایج جستجو برای: 1 glycine
تعداد نتایج: 2772065 فیلتر نتایج به سال:
To prepare Cr-C alloy layers having high current efficiency, Vickers hardness, and brightness in electrodeposition on commercial cold-rolled steel plate, this study examined additives put into baths. From a Cr2 (SO4)3/(NH4)2SO4 aqueous bath containing oxalic acid CrCl3/highly concentrated CaCl2/H3BO3 glycine, were formed. With the optimized compositions, produced with brightness. The highest ef...
The possibility of direct integumental absorption of the amino acid glycine from a solution in seawater was investigated in 250-260 day old (16.9-50.0 mg wet mass) phyllosoma larvae of the Japanese spiny lobster Panulirus japonicus Von Siebold 1824. The uptake of the amino acid was assessed by autoradiography and liquid scintillation counting (LSC) of larvae incubated with [2-(3)H]glycine and t...
The effects of the antihelmintic, ivermectin, were investigated in recombinantly expressed human alpha(1) homomeric and alpha(1)beta heteromeric glycine receptors (GlyRs). At low (0.03 microm) concentrations ivermectin potentiated the response to sub-saturating glycine concentrations, and at higher (> or =0.03 microm) concentrations it irreversibly activated both alpha(1) homomeric and alpha(1)...
To examine the roles of glycine in neurotoxicity caused by NMDA, primary rat cortical cultures were exposed to 100-300 microM NMDA plus glycine (0-3000 microM) or other glycine analogs in a simple saline solution, and toxicity was assessed by the amount of lactate dehydrogenase (LDH) released from the cultures. NMDA-induced neurotoxicity was abolished by 100 microM D-2-amino-5-phosphonovaleric ...
Recently, it was demonstrated that liver injury and TNF-alpha production as a result of endotoxin (lipopolysaccharide, LPS) were attenuated by feeding animals a diet enriched with glycine. This phenomenon was shown to be a result of, at least in part, activation of a chloride channel in Kupffer cells by glycine, which hyperpolarizes the cell membrane and blunts increases in intracellular calciu...
Recently we described a method for the determination of alanine based upon its conversion into acetaldehyde by the action of ninhydrin (1). A method for the measurement of glycine has been devised which involves its conversion by ninhydrin to formaldehyde; the latter is then measured by its reaction with chromotropic acid. Earlier methods for the measurement of glycine are less sensitive and sp...
the formation constants (log k), of the complexes formed between a number of amino acids(glycine , l-valine and l-alanine) with p-sulfonatocalix [4] arene at varying temperatures (25± 0.1to 65 ± 0.1 °c) in aqueous solutions and at natural ph of p-sulphonato-calix [4] arene (ph=3.2) bymeans of uv-vis spectrophotometeric technique have been investigated. at this ph the guestmolecule is in its cat...
The effect of high concentrations of glutamate and glycine on picrotoxin seizure thresholds was investigated by perfusion through microdialysis probes in the hippocampus of freely moving rats. Microperfusion of glutamate at concentrations up to 1 mM, produced no changes in behavior or basal EEG recordings, but microperfusion of 200 microM glutamate was sufficient to lower the picrotoxin seizure...
Permethrin is the most popular synthetic pyrethroid insecticide in agriculture and public health. For the development of the enzyme-linked immunosorbent assay (ELISA) to evaluate human exposure to permethrin, the glycine conjugate (DCCA-glycine) of a major metabolite, cis/trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane-1-carboxylic acid (DCCA), of permethrin was established as the target a...
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