The residue is dissolved in hexane, the antibiotic is extracted with 75% methanol in water, and the extract is diluted to the assay range with a final methanol concentration of 25%. Microbiological activity by horizontal agar diffusion is measured by the cylinder plate technique with Bacillus ...
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vacuum cylinder reinforcing plate 真空气缸加强板 相似单词 plunger n. 1.橡胶吸盘,搋子 2.活塞,柱塞 assembly n. [C] 1.集会,集合 2.(大写)立法机构;议会;(美国有些州的)州议会众议院 3.(机械的)装配;组合,组配 4.配件 5.(军)集合号 6.程序集;汇编 cylinder n. 圆柱,圆筒,圆筒状之物,汽缸 ...
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网络释义 1. 圆筒盘方法 圆筒盘方法(Cylinder Plate Methods):每个化合物(起始) 每加一个样品 泛酸钙测试 (Calcium pantothenate assay <91>) 维生 … fdaagent.net|基于 1 个网页
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A revision is proposed of the cylinder-plate assay for penicillin in which two concentrations of an unknown preparation are compared with two equivalent concentrations of the working standard. A complete assay consists of three four-plate groups, each testing a separately weighed sample of the dry ...
Pratt, R., Gouan, F. M., Dufrenoy, J., and Strait, A.: Use of Bacillus subtilw in the three-hour cylinder-plate assay for penicillin, J. Am. Pharm. Assoc. 37: 54, 1948.PRATT, R., GOYAN, F. M., DUFRENOY, J., AND STRAIT, L. A. 1948. Use of Bacillus subtilis in ...