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Gram’s Crystal Violet Solution
品牌:Adipogen
货号:CDX-G0060-L250 规格:250 ml 目录价:¥434
货号:CDX-G0060-LL25 规格:2.5 l 目录价:¥询价
产品详情
产品名称:
Gram’s Crystal Violet Solution
产品描述:
Gram Crystal Violet Solution is a reagent recommended for use in qualitative procedures to differentiate gram-negative from gram-positive organisms. The Gram staining allows a fast differentiation of bacteria in Gram-positive and Gram-negative. The mureine structure of the bacteria walls is the basis of the color affinity. Bacteria will be stained with Gram's crystal violet solution - an aniline dye - in the first step. After the treatment with iod solution (Lugol’s solution), a dye-iod complex will form. During the decolorizing step, this complex stays in the multilayer mureine structures of the Gram-positive bacteria and they will appear blue. Gram-negative bacteria have a monolayer mureine structure only, the dye-iod complex does not stay bound to the cellwall, they will be decolorized . Gram-negative bacteria will be counterstained by safranin solution and appear orange.
宿主来源:
Synthetic.
保存温度:
+20°C
运输温度:
Ambient
产品形式:
liquid
有效期:
Stable for at least 2 years after receipt when stored at RT.
产地:
瑞士
纯度:
for microscopy
CAS号:
548-62-9 (main comp.)
溶解度:
Soluble in water.
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