The ninhydrin test, in which ninhydrin (triketohydrinene hydrate) reacts with primary amino groups and produces Ruhemann's purple, is a well known test for amino acids in solution. The test has been modified by researchers in order to give a quantitative measure of primary amino groups in ...
UseUses: Used as an analytical reagent to identify amino acids, proteins, peptides, vitamin C, etc. It can also be used in organic synthesis. Avoid contact with skin to avoid skin redness. Ninhydrin test solution(ChP) -Uses and synthesis methods ...
IN connexion with some recent legal proceedings, a new method for detecting fingerprints has been discovered by one of us (S. O.). The method involves the well-known ninhydrin test for amino-acids, often used in chromatography. In this method, fingerprints on paper have always been considere...
Related to ninhydrin:Ninhydrin test nin·hy·drin (nin-hī'drin), A substance that Reacts with free amino acids to yield CO2, NH3, and an aldehyde, the NH3further yielding a colored product (diketohydrindylidene-diketohydrindamine, a bi-indanedione derivative also called Ruhemann purple). ...
Ninhydrin can be used as a chromogenic analytical probe for the quantification of amino acids and proteins. Names Nameninhydrin SynonymMore Synonyms Ninhydrin Biological Activity DescriptionNinhydrin can be used as a chromogenic analytical probe for the quantification of amino acids and proteins. ...
is the primary means of quantitative identification of amino groups in colorimetry and spectrophotometry. The ninhydrin reaction is also used to detect secondary amino groups (> NH) in imino acids (proline and hydroxyproline); a bright yellow product is obtained as a result of the test. ...
Twitter Google Share on Facebook ninhydrin (redirected fromNinhydrin protein assay) Medical Encyclopedia (nɪnˈhaɪdrɪn) n (Biochemistry) a chemical reagent used for the detection and analysis of primary amines, esp amino acids, with which it forms a derivative with an intense purple co...
Ninhydrin test isused to detect the presence of amino acids in unknown samples. This test is also used in solid-phase peptide synthesis to monitor the protection for amino acid analysis of proteins. As the ninhydrin test is quite sensitive, it is commonly used to detect fingerprints. ...
The amino acids are separated by automatic ion-exchange chromatography and continuously determined colorimetrically with ninhydrine in the eluate. The procedure is applicable for the determination of the primary structure of caprolactam containing... V Rossbach,FP Schmitz,J F?Hles - 《Angewandte Makr...
A ninhydrin histochemical test specific for hair keratin The reaction of ninhvdrin with 伪-amino groups of amino acids and proteins results in deamination of the amino acid or protein to form a nitrogen-containing blue dye complex. This molecule is small and highly diffusible, a property which....