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一般描述
GenElute血液基因组DNA试剂盒可以简单、方便地从新鲜或长时间存放（超过24小时）的全血中分离高纯度基因组DNA。该试剂盒将硅胶膜技术的优势与微量离心形式结合在一起，同时无需采用昂贵的树脂、乙醇沉淀，以及诸如苯酚和氯仿等有害化学成分。
应用
纯化所得的基因组DNA可用于以下下游应用：
- 限制性内切酶酶切
- PCR
- Southern印迹
- 测序反应
- 克隆
特点和优势
- 起始材料：不超过200 μl新鲜或长时间存放的血液
- 预期得率：至多10 μg
- 洗脱体积：400 μl
- 所需时间：<40分钟
- A260/A280比率：1.6 - 1.9
- 兼容多种抗凝血素、包括EDTA、肝素和柠檬酸钠
原理
起始材料首先溶解在含有离液盐的溶液之中，以确保大分子彻底变性。之后加入乙醇，从而使DNA在溶解物通过微量离心管在硅胶膜上离心时，结合到膜上。随附一份Prewash Solution，可帮助与全血样本长时间存放（超过24小时）相关的污染物。在洗涤去除污染物后，将DNA放在200 mL的Tris-EDTA溶液中洗脱。
预期基因组DNA得率取决于所用的起始材料的数量和性质（例如，从200 μl 新鲜的全血之中，可在一小时内分离出4至10 μg RNase A处理的DNA）。通过本试剂盒纯化所得的DNA的A260/A280比率介于1.6-1.9之间，最大长度可达50 kb。
预期基因组DNA得率取决于所用的起始材料的数量和性质（例如，从200 μl 新鲜的全血之中，可在一小时内分离出4至10 μg RNase A处理的DNA）。通过本试剂盒纯化所得的DNA的A260/A280比率介于1.6-1.9之间，最大长度可达50 kb。
其他说明
更多信息，请见www.sigma-aldrich.com/genomicdna。
法律信息
GenElute is a trademark of Sigma-Aldrich Co. LLC
警示用语：
Danger
危险分类
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Resp. Sens. 1 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
储存分类代码
8A - Combustible corrosive hazardous materials
闪点(°F)
Not applicable
闪点(°C)
Not applicable
法规信息
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