نتایج جستجو برای: avidin
تعداد نتایج: 2086 فیلتر نتایج به سال:
Biotin is one of the most useful tags in (bio)analytical science due to its specific interaction with avidin, but is not easy to convert because of its low solubility in most solvents. Friedel-Crafts acylation of biotin acid chloride in triflic acid was examined, and the synthesized derivatives had stronger affinity to avidin than biotin in a binding assay using 2-(4'-hydroxyphenylazo)benzoic a...
A method for the rapid preparative isolation of highly purified avidin using h.p.l.c. on a powerful cation-exchanger TSK SP-5PW column has been developed. The method is based on the following properties of avidin: solubility at a high (NH4)2SO4 concentration, stability and relatively low solubility in organic solvents, as well as the strongly cationic nature of the molecule. Riboflavin-binding ...
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