单词 | biological assay |
释义 | > as lemmasbiological assay b. Esp. in biological assay (= bioassay n.), the determination of the strength of a substance by means of a test on an organism, usually in comparison with the effect of a standard preparation. ΘΚΠ the world > action or operation > endeavour > trial or experiment > trial, test, or testing > [noun] > specific tests or testing > of strength of a substance on an organism bioassay1912 biological assay1922 biological assay1926 immunoassay1959 1922 Burn & Dale Rep. Biol. Stand. I. 50 We do not assume that it will be necessary to make a new batch of the Standard for the assay of every batch of the commercial extract. 1927 J. H. Burn & J. M. Ellis in Pharmaceut. Jrnl. 9 Apr. 384/1 (title) The Biological Assay of the Specific Alkaloid of Ergot. 1928 H. H. Dale in J. H. Burn Methods Biol. Assay p. x The most serious difficulty in biological assay is that due to the variability of the living reagent. 1961 Lancet 22 July 214/1 The daily urinary loss of vitamin B12..was measured in three patients by microbiological assay. biological assay biological assay n. measurement of the concentration, potency, or other properties of a substance by its qualitative or quantitative effect on living cells or organisms. ΘΚΠ the world > action or operation > endeavour > trial or experiment > trial, test, or testing > [noun] > specific tests or testing > of strength of a substance on an organism bioassay1912 biological assay1922 biological assay1926 immunoassay1959 1926 Lancet Nov. 982/1 Dr. J. H. Burn, director of the society's pharmacological laboratories, will read a paper on Some Methods of Biological Assay. 1953 S. K. Kon & J. W. G. Porter in G. H. Bourne & G. W. Kidder Biochem. & Physiol. of Nutrition ix. 323 Thiamine-deficient rats..have a considerably slowed heart beat (bradycardia), which has been used as the basis of a biological assay of the vitamin. 1999 New Scientist 23 Jan. 62 (advt.) You will develop and carry out biological assays for the discovery of novel insecticidal and nematicidal agents. < as lemmas |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。