| Hopkins, Frederick | <person> An English biochemist and Nobel laureate. Lived: 1861-1947. See: Benedict-Hopkins-Cole reagent. (05 Mar 2000) |
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| Benedict-Hopkins-Cole reagent | <chemistry> Magnesium glyoxalate, made from a mixture of oxalic acid and magnesium, used for testing proteins for the presence of tryptophan. (12 Aug 2000) |
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