1) Chemical test
Found on
https://www.crosswordclues.com/clue/ninhydrin
Ninhydrin (2,2-Dihydroxyindane-1,3-dione) is a chemical used to detect ammonia or primary and secondary amines. When reacting with these free amines, a deep blue or purple color known as Ruhemann`s purple is produced. Ninhydrin is most commonly used to detect fingerprints, as the terminal amines of lysine residues in peptides and proteins sloughe....
Found on
http://en.wikipedia.org/wiki/Ninhydrin
<chemical> 2,2-dihydroxy-1h-indene-1,3-(2h)-dione. Reagent toxic to skin and mucus membranes. It is used in chemical assay for peptide bonds, i.e., protein determinations and has radiosensitizing properties. ... Pharmacological action: indicators and reagents, radiation-sensitizing agents. ... Chemical name: 1H-Indene-1,3(2H)-dione, 2,2-dihyd...
Found on
http://www.encyclo.co.uk/local/20973
(= triketohydrindene hydrate.) Pale yellow substance used to detect amino acids and proteins (compounds containing free amino or imino groups) with which it forms a deeply coloured purple-blue compound.
Found on
http://www.encyclo.co.uk/visitor-contributions.php
Type: Term Pronunciation: nin-hī′drin Definitions: 1. A substance that Reacts with free amino acids to yield CO
2, NH
3, and an aldehyde, the NH
3 further yielding a colored product (diketohydrindylidene-diketohydrindamine, a bi-indanedione derivative also called Ruhemann purple)....
Found on
http://www.medilexicon.com/medicaldictionary.php?t=60492
a white or yellow, toxic, crystalline or powdery compound, CHO&multiplydot;HO, that reddens when heated above 100°C, a monohydrate, soluble in water or alcohol: used primarily as a reagent to detect the presence of various amino acids.
Found on
https://www.infoplease.com/dictionary/ninhydrin
No exact match found.
