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词汇 Nile blue
分类 英语词汇 英语翻译词典
释义

Nile blue

英语百科

Nile blue

Nile blue in water (lower phase) and ethyl acetate (upper phase) in daylight.Left to right: pH 0, pH 4, pH 7, pH 10, pH 14
Nile blue in water (lower phase) and ethyl acetate (upper phase) in UV light (366 nm).Left to right: pH 0, pH 4, pH 7, pH 10, pH 14

Nile blue (or Nile blue A) is a stain used in biology and histology. It may be used with live or fixed cells, and imparts a blue colour to cell nuclei.

It may also be used in conjunction with fluorescence microscopy to stain for the presence of polyhydroxybutyrate granules in prokaryotic or eukaryotic cells. Boiling a solution of Nile blue with sulfuric acid produces Nile red (Nile blue oxazone).

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