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P3143 Sigma-Aldrich

Poly(ethyleneimine) solution

analytical standard, 50 % (w/v) in H2O

Synonym: Ethyleneimine polymer solution, PEI

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Properties

Related Categories Cell Lysis and Protein Extraction Reagents, Molecular Biology, Native Protein Sample Preparation, Protein Sample Clarification, Proteomics More...
grade   analytical standard
mol wt   Mn ~60,000
  Mw 750,000
concentration   50 % (w/v) in H2O
application(s)   gel permeation chromatography (GPC): suitable
format   single component solution

Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Application

PEI cellulose in small columns will separate cyclic nucleotides from related compounds at the same electrolyte concentration that is used for thin layer chromatography on PEI cellulose-coated plates.

Biochem/physiol Actions

Water soluble polymer used as a membrane lubricant; useful in filtering frozen cell membranes.

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Packaging

1 L in poly bottle

100, 500 mL in poly bottle

Principle

PEI cellulose should be washed extensively in distilled water, then washed three times with 10-20 volumes of 5 mM acetic acid, removing fines during each wash. After final settling, one volume of cellulose is suspended in three volumes of 5 mM acetic acid.

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Detect Your Unseen Protein
Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
UN 3082 9 / PGIII
WGK Germany 
2
Protocols & Articles
Peer-Reviewed Papers
15

References

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