Auxochrome | Article about auxochrome by The Free Dictionary
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Any substituent group such as ‒NH2 and ‒OH which, by affecting the spectral regions of strong absorption in chromophores, enhance the ability of the chromogen to act as a dye.
References in periodicals archive
All these have part of phenols and naphthols having hydroxyl group as auxochrome
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
The poor nuclear/ cytoplasmic differentiation seen in the use of unmordified Roselle extract and eosin as compared to haematoxylin and eosin may highlight the need for an auxochrome
which stabilizes a staining reaction as obtained in the haematoxylineosin method.