NUMEROUS paper chromatographic methods exist for the detection of keto-acids as their 2,4-dinitro-phenylhydrazone, semicarbazone, and quinoxaline derivatives or as the free acids 1. By the ninhydrin ...
ALLOXAN and dialuric acid form free radicals in alkaline solution 1,2. Ninhydrin, a chemical analogue of alloxan, has been shown to form a free radical on reaction with glycine 3. The electron spin ...
Cells from reproductive soybean (Glycine max [L.] Merr.) plants were isolated using a mechanical-enzymic technique that produced a high yield of uniform, physiologically active cells. Cells were ...
Biochrom Ltd has announced the commercial launch of its EZ Nin Reagentâ„¢, a ready-to-use ninhydrin formulation for use in ion exchange chromatography systems with post-column derivatisation for ...
Owing to the SPECTROstar Nanoand Brewing and Distilling Analytical Services, the past couple of years have seenadvancements in quality testing and analysis of alcoholic beverages. A distinct ...
With the NINchaseries, Attestor Forensics offers three different sizes of climate chambers, especially designed for the development of fingerprint evidence. Evidence is usually treated with Ninhydrin ...
Quality analysis for beer includes testing the free amino nitrogen (FAN), which provides an estimate of the protein content. Generally, protein content is measured using the Kjeldahl method, which is ...
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