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933732

Sigma-Aldrich

Linear polyethylenimine-block-poly(ethylene glycol)

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

Synonym(s):

PEG-b-PEI, PEG-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 and chunks

Quality Level

100

mol wt

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

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 Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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