Polysciences 24765-2 线性聚乙烯亚胺盐酸盐max，（mw 40，000） 2g

PEI MAX 40K (also known as PEI 22K in free base) is a powerful, trusted, and cost-effective transient transfection reagent.

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货品编号：Polysciences.24765-2

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品牌：Polysciences
所属分类：分子生物学试剂

<div>
 
</div>     货品编号：  Polysciences.24765-2
     品牌：  Polysciences
     品名：  线性聚乙烯亚胺盐酸盐max，（mw 40，000） 
     规格：  2g
 
     产品描述
     PEI MAX 40K (also known as PEI 22K in free base) is a powerful, trusted, and cost-effective transient transfection reagent. In HEK293 
     and CHO expression systems, PEI offers consistently high gene expression on a wide scale (96 well plates up to 100 L bioreactors). 
     Each year, more researchers and companies turn to Polysciences PEI to gain an edge in their critical work. Relative to most other options,
     using PEI to prepare transfection reagents in-house can offer as much as a 40% reduction in total transfection costs.
<div>     PEI MAX 40K is easier to use and offers consistently higher titers than PEI 25K. PEI 25K transfection solutions typically take several hours 
     to prepare, while PEI MAX 40K can be converted to a ready-to-use solution in under two hours. Additionally, PEI 25K contains 4-11% residual 
     propionyl groups, which prevents the polymer backbone from strongly binding to DNA. PEI MAX 40K’s fully depropionylated structure means 
     each batch performs consistently higher. 
    
<img width="600" height="400" src="http://www.polysciences.com/skin/frontend/default/polysciences/images/pei_comparison.png">
     Comparison of PEI 25K (#23966) and PEI MAX 40K (#24765).      Method: 10e6/mL HEK293 cells in 50 mL FS transfected with IgG64 plasmid pair. PEI:DNA 4:1. Samples taken 120 hpt. Quantified with 
     Thermo Fisher #23310. N=4 each. Error bar = standard deviation. 
     A pre-made sterile-filtered solution of PEI MAX 40K is available as our <a href="http://www.polysciences.com/default/transporter-5-transfection-reagent">Transporter 5™ Transfection Reagent</a>.
 
 
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Polysciences 24765-2 线性聚乙烯亚胺盐酸盐max，（mw 40，000） 2g

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