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81332 Sigma

Poly-L-lysine hydrobromide

mol wt 10,000-20,000

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Properties

Related Categories Amino Acids, Biochemicals and Reagents, Homopolymers, Polyamino Acids
mol wt   mol wt 10,000-20,000
storage temp.   −20°C

Description

Components

Poly-L-lysine is a positively charged amino acid polymer with approximately one HBr per lysine residue. The hydrobromide allows the poly-L-lysine to be in a crystalline form soluble in water. A small amount of product may be found in the beta structure because the HBr interferes with hydrogen bonding between amino and either the carboxyl groups or N or O containing moieties.

Caution

Sterile solutions are stable for up to 2 years when stored at 2-8°C. It should be stored desiccated at -20°C.

Other Notes

Immobilization of living cells in biocompatible semipermeable microcapsules

For additional technical information on polyamino acids please visit the Polyamino acid FAQ resource.

Biochem/physiol Actions

Poly-L-lysine hydrobromide is used in the construction of biocompatible nanocapsules and for positively charged NH2 group modification of bioactive surfaces in applications such as microarray and micropattern assembly.

Price and Availability

Safety & Documentation

Safety Information

WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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