Influence of Cations on the Ninhydrin Reaction for the Determination of Amino-Acids
โ Scribed by MEYER, HANAN; RIKLIS, EMANUEL
- Book ID
- 109576602
- Publisher
- Nature Publishing Group
- Year
- 1953
- Tongue
- English
- Weight
- 98 KB
- Volume
- 172
- Category
- Article
- ISSN
- 0028-0836
- DOI
- 10.1038/172543a0
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๐ SIMILAR VOLUMES
Attempts have been made to develop a simpler and more specific method for determining free a-amino acids in chemical and biological systems. The results obtained are presented in this paper. METHODS ## AND RESULTS Reagents: 0.5 M citrate (Na+) buffer was prepared from analyticalgrade citric aci
A sensitive modification of the ninhydrin-CO 2 method involving the gas chromatographic determination of the total protein and amino acid content of sediment is described . The method gives a linear response over the amino acid concentration range 10 -5 M to 4 X 10-2 M . It can be used for whole sed