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磁珠法核酸提取试剂盒
磁珠法是通过裂解液裂解细胞组织样本,从样本中游离出来的核酸分子被特异的吸附到磁性颗粒表面,蛋白质等杂质不被吸附而留在溶液中。将携带核酸的磁珠移动至不同的试剂槽内,通过反复快速搅拌、混匀液体,经过细胞裂解、核酸吸附、洗涤与洗脱等步骤,最终得到纯净的核酸。

磁珠提取DNA原理:电荷的盐离子的作用(如Na+),带负电的磷酸基团借由解离的盐离子(如Na+)与羧基形成离子桥,使DNA被特异性吸附到羧基磁珠表面。当PEG与盐类被去除之后,加入水性分子,会快速充分水化DNA,解除其三者之间的离子相互作用,使得吸附到磁珠的DNA被纯化出来。

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产品详情
1、能够实现自动化、高通量操作,配合96孔的核酸自动提取仪,在以往做一个样品的提取时间内可同时实现对96个样品的处理,效率直接提高96倍,满足了当前生物学高通量操作的要求,使得在大规模疫情爆发时能够进行快速筛查原因,这个优点是其他方法难以赶超的。
2、操作简单、用时短,整个提取流程只有裂解、结合、洗涤、洗脱四步短时间内即可完成。
3、安全无毒,不使用传统方法中的苯、氯仿等有毒试剂,对实验操作人员的伤害少,保护了实验人员的身体健康。
4、磁珠与核酸的特异性结合使得提取的核酸纯度高、浓度大。
5、灵敏度高,适合法医样本等痕量DNA提取。

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