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Sigma-Aldrich

Linear polyethylenimine-block-poly(ethylene glycol)

PEG average Mn 5,000, PEI average Mn 30,000

Synonym(s):

PEG-b-PEI, Poly(ethylene glycol)-block-polyethylenimine

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About This Item

Linear Formula:
CH3(C2H4O)n(C2H5N)mOH
UNSPSC Code:
12352207

form

powder or solid

Quality Level

mol wt

PEG 5,000 Da
PEG average Mn 5,000
PEI 30,000 Da
PEI average Mn 30,000

color

white to pale yellow

storage temp.

2-8°C

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Application

Due to their low immunogenicity profiles, polymeric nonviral vectors have shown promise in advancing the treatment of many severe genetic and acquired diseases via gene therapy.
Poly(ethyleneimine) is one of the most commonly used cationic polymers for gene delivery applications. Copolymers of PEI and hydrophilic poly(ethylene glycol) have been designed to provide a stealth-like shield around polymer/DNA complexes, reducing nonspecific interactions, inhibiting activation of the reticuloendothelial system, and prolonging the half-life of the complexes in the blood.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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