NOUN
- a red-brown azo dye especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions)
How To Use congo red In A Sentence
- Congo red staining was resistant to permanganate pretreatment.
- The presence of abnormal subepithelial collagen deposition was confirmed by Masson trichrome stain; staining for amyloid with Congo red was negative.
- HO · may be an important factor to cause photochemical decolorization of congo red.
- Elastase activity was determined in a spectrophotometric assay using elastin-Congo red (Sigma) as a substrate, as previously described Liquid chromatography/electron spray ionization mass spectrometry (LC-ESI-MS) data on pure rhamnolipid was used to produce a standard curve for rhamnolipid B (concentration vs. total ionization current (TIC)). PLoS ONE Alerts: New Articles
- Some of the dyes to which chromophores give a vibrant color are naphthol yellow, vat blue, congo red, and methylene blue.
- Either a sulfonated Alcian blue stain or Congo red stain was used in the initial evaluation for amyloidosis.
- Either a sulfonated Alcian blue stain or Congo red stain was used in the initial evaluation for amyloidosis.
- Briefly, S. Typhimurium was grown on nutrient agar and passed into peptone water before subculturing on Congo red agar.
