26-10-1960 дата публикации
Номер: GB0000852615A
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Принадлежит:
... 852,615. Apparatus and method for biological assays. TECHNICON INSTRUMENTS CORPORATION. Feb. 3,1959 [March 7,1958], No. 3857/59., Class 81(1) Biological assays and like monitoring and control procedures are performed by a method characterised in that there is formed a flowing fluid stream containing an inoculum e.g. bacteria and a nutrient therefore and there is introduced into the stream, by dialysis, a substance the effect of which on the inoculum is to be ascertained. In the apparatus described for carrying out the process of the invention, nutrient and inoculum, from reservoirs 24 and 26 contained in a refrigerator or cooler 28, and air pass, in tubes 12, 14 and 20, through a proportioning pump 10 of the type described in Specification 817,070 and meet to form a common supply line 46 through which the combined fluids pass to the mixing coil 42 and thence through one side of the dialysing cell 50. Tubes 18, 22 and 16 carrying water, air and the test substance respectively similarly pass ...
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