一般描述
应用
- 的线性官能化
- 链霉亲和素捕获酶联免疫吸附测定（ELISA）
- 微泡制备
制备说明
免责声明
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
法规信息
分析证书(COA)
输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ （Lot或Batch）字后找到。
已有该产品？
为方便起见，与您过往购买产品相关的文件已保存在文档库中。
难以找到您所需的产品或批次号码？
如何查找产品货号
在网站页面上，产品编号会附带包装尺寸/数量一起显示（例如：T1503-25G）。请确保 在“产品编号”字段中仅输入产品编号 (示例: T1503).
示例
其它示例：
705578-5MG-PW
PL860-CGA/SHF-1EA
MMYOMAG-74K-13
1000309185
输入内容 1.000309185)
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如何查找COA批号
批号可以在产品标签上"批“ （Lot或Batch）字后面找到。
Aldrich 产品
如果您查询到的批号为 TO09019TO 等，请输入去除前两位字母的批号：09019TO。
如果您查询到的批号含有填充代码（例如05427ES-021），请输入去除填充代码-021的批号：05427ES。
如果您查询到的批号含有填充代码（例如 STBB0728K9），请输入去除填充代码K9的批号：STBB0728。
未找到您寻找的产品？
部分情况下，可能未在线提供COA。如果搜索不到COA，可在线索取。
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.
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.
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.
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.
In what is Product No. S4762 soluble? And how do you recommend storing solutions of streptavidin?
This product is soluble in water or aqueous buffer (i.e., PBS) at 1 mg/mL. Solutions in PBS or water can be stored for several months at 4°C, or for more than a year as frozen aliquots.
How do I determine how many units are in a particular amount of Product No. S4762?
On the Certificate of Analysis for the product, the activity of the product per milligram can be found. This number is specific for your lot, and you must look up the Certificate of Analysis by the lot number for your particular batch of product. From this number, you can calculate how many units are in a particular weight of your product by multiplying the weight of the product by the units/mg of the product.
What is the expiration date of the Product No. S4762 in my possession?
Product No. S4762 has not been assigned an expiration date by Sigma. Streptavidin is stable. S4762 has been assigned a QC Release date as well was a Retest Date. These dates can be found on the Certificate of Analysis. The QC Release Date indicates the last date that the lot was tested and found to meet specifications, and the Retest Date indicates the next date that the lot will be tested, assuming that enough of the lot remains to perform the testing.
What is the affinity of streptavidin (e.g., Product No. S4762) for biotin?
Streptavidin binds the small molecule biotin with extraordinary affinity. The dissociation constant is KD = 4 × 10-14 M, according to N. M. Green, Methods Enzymol., 184, 51 (1990).
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