G - Physics – 01 – N
Patent
G - Physics
01
N
150/14
G01N 33/68 (2006.01) C09K 3/00 (2006.01)
Patent
CA 1129322
Abstract An aqueous reagent system for the quantita- tive determination of protein is disclosed. The sys- tem contains Coomassie Brilliant Blue G-250 dye, a monobasic strong acid having a pKa of less than 3 (e.g. HC1), a polybasic phosphonic acid (e.g. NTP), and a water soluble, nonionic surfactant characterized as being a block copolymer containing terminal polyethylene oxide segments separated by a polypropylene oxide segment. Preferably the sys- tem also contains a small amount of an alcohol such as methanol or ethanol.
341044
Gindler E. Melvin
Miller Nadine N.
Meredith & Finlayson
Sherwood Medical Industries Inc.
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