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What does ninhydrin mean?

Looking for the meaning or definition of the word ninhydrin? Here's what it means.

Noun
  1. (organic chemistry) The aromatic compound 2,2-dihydroxyindane-1,3-dione which is used as a reagent to detect amines
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Examples
Total free amino acids in the leaf extracts and in the phloem exudate were analysed with the ninhydrin reagent.
Standards were visualized by ninhydrin reagent and the chromatogram containing phosphorylated proteins was autoradiographed.
The photochemistry of ninhydrin in benzene and water was studied by laser flash photolysis and electron paramagnetic resonance.
Measure out 225 mL of ethanol and add to ninhydrin.
Another common method involves ninhydrin, which works like invisible ink: when you douse paper with it, the chemical brings out any sweat that may have been left by fingertips.
In the form of an acid hydrolyzate, also positive in the Elson-Morgan's reaction and ninhydrin reaction.

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