نتایج جستجو برای: enzymatic assay

تعداد نتایج: 272226  

Journal: :Clinical chemistry 2003
Ikunosuke Sakurabayashi Tatsurou Watano Satoshi Yonehara Kaori Ishimaru Kaoru Hirai Tsuguki Komori Masayuki Yagi

BACKGROUND Previous methods to measure glycohemoglobin (GHb) have been time-consuming or imprecise; we therefore developed a new enzymatic assay for GHb. METHODS Blood cells were first hemolyzed, and hemoglobin was digested with protease to yield fructosyl amino acid. Fructosyl amino acid oxidase acts on the fructosyl amino acid and generates hydrogen peroxide, which reacts with chromogens in...

Journal: :Clinical chemistry 1978
A L Smith D H Smith

We partly purified R-factor-encoded chloramphenicol acetyltransferase (EC 2.3.1.28) from a highly choloramphenicol-resistant mutant derived from Escherichia coli W677/R5. The preparation permitted rapid quanitation of chloramphenicol by use of [14C]acetylcoenzyme A, removing the diacetylated product by selective adsorption onto micropore filters. Succinyl and glucuronyl 3-hydroxyl esters of chl...

Journal: :Journal of Biological Chemistry 1951

Journal: :Agricultural and Biological Chemistry 1969

Journal: :Clinical Chemistry and Laboratory Medicine 1987

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