staining

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Related to vital stain: supravital stain, Biological stains, Vital dye

staining

The application of a liquid dye solution to a porous surface to impart color.
References in periodicals archive ?
We evaluated visually seed metabolic activity with TTC and with a vital stain, Evan's blue, in an attempt to minimize this limitation.
Trypan blue is a vital stain classically used to evaluate damaged endothelial cells, presenting no toxicity in concentrations as high as 0.