نتایج جستجو برای: acetylneuraminic acid
تعداد نتایج: 747460 فیلتر نتایج به سال:
was developed by using 2'-(4-methylumbelliferyl)oa-D-N-acetylneuraminic acid as substrate in a filter paper spot test. The method was compared to conventional assays that use 2'-(4-methylumbelliferyl)ax-D-N-acetylneuraminic acid and bovine submaxillary mucin and was found to be in excellent agreement. Organisms with >10 U of enzyme activity (in nanomoles per minute per milligram of cell protein...
Transferrin, isolated from plasma or serum, had a molecular weight of 76,500 and its NHz-terminal amino acid sequence was Val-Pro-Asp-Lys-Thr-Val-Lys-Trp(Cys)-Ala-Val-Ser-Gluu-His-Glu-Asn-Thr-Lys-(Cys)-IleSer-Phe-Arg-Asp-His-Met-Lys-Thr-. About one-third of total serum transferrin contained 3 mol of iV-acetylneuraminic acid and about two-thirds of total contained 2 mol of N-acetylneuraminic aci...
N-Acetyl-d-neuraminic acid (NeuAc), a well-known and well-studied sialic acid, is found in cell surface glycolipids glycoproteins, where it performs variety of biological functions. The use NeuAc as nutraceutical for infant brain development an intermediate pharmaceutical production demands its on industrial scale. Natural extraction, chemical synthesis, enzymatic biosynthesis are the methods u...
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