نتایج جستجو برای: l histidine
تعداد نتایج: 629708 فیلتر نتایج به سال:
An attempt was made to control the surface charge of colloidal silica nanoparticles with 20 nm and 100 nm diameters. Untreated silica nanoparticles were determined to be highly negatively charged and have stable hydrodynamic sizes in a wide pH range. To change the surface to a positively charged form, various coating agents, such as amine containing molecules, multivalent metal cation, or amino...
The functional assignment of enzymes that catalyze unknown chemical transformations is a difficult problem. The protein Pa5106 from Pseudomonas aeruginosa has been identified as a member of the amidohydrolase superfamily by a comprehensive amino acid sequence comparison with structurally authenticated members of this superfamily. The function of Pa5106 has been annotated as a probablechlorohydr...
A novel, rapid and highly sensitive fluorescence turn-on assay for the detection of biothiols (glutathione, and L-cysteine), histidine and threonine was developed. Water-soluble CuInS2 ternary quantum dots (QDs) capped by mercaptopropionic acid (MPA) were directly synthesized in aqueous solution, and then functionalized using tyrosine molecules to form tyrosine-functionalized CuInS2 QDs (T-CuIn...
L-Histidinol has been found to be a potent, reversible inhibitor of protein synthesis in cultured human cells. When the culture medium contains 0.005 fll~ histidine, protein synthesis is inhibited 50% by 0.1 mM histidinol. Histidinol does not significantly affect the transport of histidine into cells or the amount of histidine accumulated in the free amino acid pool. Histidinol probably inhibit...
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