acid stain


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ac·id stain

(as'id stān)
A dye in which the anion is the colored component of the dye molecule, e.g., sodium eosinate (eosin).

acid stain

A chemical used to stain the cytoplasmic or basic components of cells.
See also: stain
References in periodicals archive ?
This "located" incompatibility was demonstrated by the vascular discontinuity in the graft union region that did not allow the passage of the succinic acid stain and subsequent browning of the internal part of the wood near the graft union region (Figures 1 and 2).
Intrinsic fluorescence intensity was assigned to the eosin channel (E) while nucleic acid stains were assigned to the hematoxylin channel (H).
From a distance it looks like a conventional acid stain but upon closer look, one can see a shimmering and textured effect.
* Dark Brown/Black Stains: Low pH (less than 6) acid stain. May be caused by improper detergents and soaps and/or dried-on blood.
You may recall that SYBR Green I is an asymmetrical cyanine dye used as a nucleic acid stain in molecular biology.
(22) They also stain with Giemsa (figure 2) and Mallory's phosphotungstic acid stain. The crystals are birefringent with polarized light (figure 3) and are readily detected with an epifluorescent microscope.
After 4 h of saliva flow, biofllms were probed with a fluorescently labeled oligonucleotide designed to target strept ococci (5'-GCTGCCTCCCGTAGGAGT-3'; JF20) as well as with a general nucleic acid stain to detect all cells (Fig.