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stain
(redirected from Gram stain)

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stain

Coloured compound that will bind to other substances. Stains are used extensively in microbiology to colour micro-organisms, in histochemistry to detect the presence and whereabouts in plant and animal tissue of substances such as fats, cellulose, and proteins, and in biochemistry to reveal the location of biomolecules, as in gel electrophoresis.



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Tissue culture from secretions from both patients showed gram-positive cocci in clusters on the Gram stain, and subsequent cultures yielded MRSA.
A variety of diagnostic techniques were used; the analyses were based on the 1,938 women who had complete data for assessment of bacterial vaginosis according to Nugent Gram stain criteria.
and Canada, announces the completion of a clinical study that proves the proprietary layered thin film (LTF(TM)) QuickVue(R) Advance pH and Amines rapid test achieves a clinical sensitivity of 92 percent, specificity of 95 percent and overall accuracy of 94 percent when compared to traditional, more time consuming and more technically demanding procedures such as Amsel clinical criteria and Gram Stain for the diagnosis of bacterial vaginosis (BV).
 
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