| 单词 | gradocol membrane |
| 释义 | > as lemmasgradocol membrane Used attributively in gradocol membrane: a membrane made by the controlled evaporation of a collodion solution, having a high uniformity of pore size and used as a filter, esp. for viruses. ΘΚΠ the world > life > biology > laboratory analysis > apparatus > [noun] > other apparatus compressorium1845 air bath1848 compressor1881 Berkefeld1891 incubator1896 catchwater1901 ultrafilter1908 fermenter1925 gradocol membrane1931 roller tube1933 Tiselius (electrophoresis) apparatus1939 sonicator1952 Sonifier1961 cytocentrifuge1966 lyophilizer1967 biochip1980 1931 W. J. Elford in Jrnl. Pathol. & Bacteriol. 28 507 I propose to refer to these new membranes as gradocol membranes, since they are products of a graded coagulation of collodion. 1953 A. J. Rhodes & C. E. van Rooyen Textbk. Virol. (ed. 2) i. ii. 12 Suspensions of virus particles are filtered through a series of ‘gradocol’ membranes of varying degrees of porosity, and the filtrates tested for the presence of virus. 1964 G. S. Wilson & A. A. Miles Princ. Bacteriol. & Immunity (ed. 5) i. xl. 1166 In estimating the size of virus particles ultrafiltration through Gradocol membranes is widely used. < as lemmas |
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