auxochrome


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Related to auxochrome: chromophore, Bathochromic shift

auxochrome

(ˈɔːksəˌkrəʊm)
n
(Dyeing) a group of atoms that can be attached to a chromogen to convert it into a dye
References in periodicals archive ?
This method is based on the observation that the Coomassie Brilliant Blue G-250 exists in two different color forms, red (365 nm) and blue(595 nm) the red form is converted to blue form upon binding of the dye to the auxochrome group -N[H.