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Merck
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安全信息

SDS7B2

Sigma-Aldrich

Prestained Molecular Weight Marker

mol wt 26,600-180,000 Da

别名:

预染分子量标记物

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About This Item

UNSPSC代码:
41105337
NACRES:
NA.25

分子量

26,600-180,000 Da

质量水平

200
400

储存温度

2-8°C

相关类别

一般描述

包含7种预染色蛋白的冻干混合物，分子量范围26,600-180,000 Da。

其他说明

Da 中未染色蛋白分子量-
磷酸丙糖异构酶，源自兔肌26,600
延胡索酸酶，源自猪心48,500
丙酮酸激酶，源自兔肌58,000
乳酸脱氢酶，源自兔肌36,500
乳铁蛋白，源自人乳：90,000
ββ-半乳糖苷酶，源自大肠杆菌：116,000
αα2-巨球蛋白，源自马血清180,000（亚基）

注意

与染料共价连接将导致表观分子量更改

重悬

用 0.5 mL 8M 尿素和 0.5 mL 2× 样品缓冲液复溶小瓶。

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

法规信息

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. The data sheets for Products SDS7B2 and B2787 do not provide a specific recommendation on how long the solutions of these molecular weight marker mixtures can be kept frozen at -20°C.  What information can you provide?

    Our R&D group recommends that after reconstitution, the solutions should be divided into aliquots and immediately frozen; avoid repeated freeze / thaw cycles. The aliquots should last at least a year at -20°C. Storage at -80°C would even be better, if it is convenient.

  6. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

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