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polysciences pei转染试剂好用吗

时间:2023/12/15阅读:435
分享:

Polysciences pei转染试剂是一种基于聚乙烯亚胺(Polyethylenimine,PEI)的产品,分子量为40000的瞬时转染试剂,已广泛应用于科研和工业用途,如AAV、LV和重组蛋白的生产。PEI是一种水溶性阳离子高分子聚合物,每相隔两个碳原子,即每第三个原子都是质子化的氨基氮原子,使得聚合物网络在任何pH下都能充当有效的质子海绵体。PEI与DNA通过正负电荷的相互吸引形成复合物,利用静电交互作用缩聚带负电的核酸并形成易被细胞摄取的正电小粒径复合体。PEI转染试剂可以方便地进行化学修饰,并且不会像脂质体一样破坏细胞结构,所以相对毒性较低。了解了Polysciences pei转染试剂的操作原理后,就“polysciences pei转染试剂好用吗"此问题,我们以Polysciences转染试剂的优点为突破点进行探究!
Polysciences pei转染试剂具备高效的转染能力,同时兼顾低毒性,能够有效避免对细胞的损伤。同时也体现出Polysciences pei转染试剂具有很多优点。包括:

1.转染效率高:适合转染DNA,细胞密度在70%~80%时,转染效率可以达到80%以上;

2.应用范围广:既适合贴壁细胞,也适合悬浮细胞转染;而且可满足瞬时转染和稳定转染;

3.低毒性:转染细胞形态良好并表达大量的目的蛋白;

4.操作简便:直接用蒸馏水配置溶液,以及可以直接将复合物加入到含血清的培养基中;

5.性价比高:相同规格,是竞品poly**的产品价格的1/3,适用于大规模的转染。

Polysciences pei转染试剂已被验证适用于多种细胞系,包括HEK-293、HEK293T、CHO-K1、COS-1、COS-7、NIH/3T3、Sf9、HepG2和Hela细胞等,转染效率高达80%~90%1。在转染过程中,还需要注意以下几个方面:

1.培养基配方:无血清,不影响转染,能够支持高密度细胞生长;

2.培养空间:摇瓶中培养基总体积不超过培养瓶总体积的20%(总体积 < 500 ml)或30%(总体积 > 500 ml);

3.细胞:选用处于对数生长期,活力高,代次低(30代以内)的细胞进行转染;

4.细胞密度:推荐在1~3×106 cells/ml进行优化, 也可尝试高细胞密度,比如4/5×106 cells/ml2。

综上所述,Polysciences pei转染试剂是一种好用的转染试剂,具有高效、低毒、广泛、简便、经济等特点,适合用于科研和工业用途,是转染新宠。以上就是有关于“polysciences pei转染试剂好用吗"问题的全部解答,如果你想了解更多问题请咨询百奥创新客服。


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