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FlexiGene DNA纯化系统——无需酚氯仿,单管完成0.1到20ml全血DNA的纯化[新品推荐]
【字体: 大 中 小 】 时间:2002年02月22日 来源:
编辑推荐:
QIAGEN公司的QIAamp全血DNA纯化系统由于无需酚氯仿抽提、产物纯度高、操作简单快速、重复性好而深受用户好评,特别是QIAamp DNA Blood Mini Kit(200微升全血),每个样品的花费不高,结果非常好。但是如果每次血液样品量超过2毫升就需要用QIAamp DNA Blood Maxi Kit(2—10ml全血),每个样品相对花费就比较高,这令许多需要大规模实验的实验室“舍不得用”。
QIAGEN公司有见于此,特别推出适合采血样品量大、数量多的实验室用的FlexiGene DNA纯化系统。
更简单的操作流程:
1.在全血或者buffy coat甚至培养细胞中加入裂解液,
2.离心沉淀得到细胞的总核酸,
3.用含有QIAGEN蛋白酶的变性缓冲液重悬DNA沉淀,消化,
4.用异丙醇离心沉淀DNA,
5.70%乙醇洗涤沉淀后离心,空气干燥后重新溶解即可。
得到的高纯度的DNA平均大小为30kb—50kb,适用于各种扩增和Southern Blotting,以及保存。
FlexiGene DNA纯化系统优点在于:
出色的结果

Comparison of DNA isolation from twelve 10 ml blood samples, using the FlexiGene DNA Kit or a kit from Supplier G.

Genomic DNA isolated from whole blood taken from 4 donors. Starting blood volumes are indicated above the lanes. C: blood treated with sodium citrate; E: blood treated with EDTA; M: markers

Variable amounts of DNA template were used to amplify the single-copy Hugl gene and a mitochondrial target (tRNAlys/ATPase). Each sample was analyzed 6 times, and reproducible results were achieved. M: markers.
DNA yields purified from different sample types using the FlexiGene procedure
| Sample | Volume | DNA yield (µg) |
| Blood* | 0.3 ml | 11–14 |
| Blood* | 2.0 ml | 75–90 |
| Blood* | 10.0 ml | 380–460 |
| Buffy coat† | 0.5 ml | 110–130 |
| HeLa cells | 106 cells | 25–35 |
订货信息
| 51204 FlexiGene DNA Kit(50) | For purification of DNA from 50 ml whole blood: Buffers, QIAGEN Protease |
| 51206 FlexiGene DNA Kit(250) | For purification of DNA from 250 ml whole blood: Buffers, QIAGEN Protease |