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折扣/货期| 货号：CDX-G0061-L250 | 规格：250 ml | 目录价：￥434 |
| 货号：CDX-G0061-LL25 | 规格：2.5 l | 目录价：￥询价 |
产品详情
产品名称:
Gram’s Safranin Solution
别名:
Safranin O Solution; Safarin T Solution
产品描述:
Gram Safranin 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, 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
预期分子量:
350.84
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:
477-73-6
分子式:
C20H19ClN4
溶解度:
Soluble in ethanol.
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