FIELD: chemistry.
SUBSTANCE: method of obtaining an agent for imaging amino acids on a cellulose matrix involves preparation of an aqueous solution, wherein 0.2 M aqueous K2HPO4 solution, 0.1 M aqueous citric acid solution and water are first mixed in volume ratio of 23:1:95 to obtain a nitrate-phosphate buffer; a preliminary mixture which is 0.5% cetylpyridinium chloride solution in a citrate-phosphate buffer is obtained; the agent is obtained by preparing a 0.3% solution of ninhydrin in the preliminary mixture. Provided also is an agent for imaging amino acids on a cellulose matrix and a method of imaging amino acids deposited on a cellulose matrix.
EFFECT: simple, fast and cheap imaging.
3 cl, 6 dwg
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