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81356 Sigma-Aldrich

Poly-L-lysine hydrobromide

mol wt ≥300,000

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Properties

Related Categories Amino Acids, Biochemicals and Reagents, Homopolymers, Polyamino Acids
form   fibers
mol wt   mol wt ≥300,000
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.

Analysis Note

Molecular weight based on viscosity. Also assayed by MALLS.

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

Useful in promoting cell adhesion to solid substrates

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

Price and Availability

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles

Articles

Poly(Amino Acid) Block Copolymers for Drug Delivery and other Biomedical Applications

Carmen Scholz Department of Chemistry, University of Alabama in Huntsville Huntsville, AL 35899 Email: scholzc@uah.edu
Keywords: Addition reactions, Asymmetric synthesis, Building blocks, Catalysis, Degradations, Living polymerization, PEGylations, Polymerization reactions, Precipitation, Proteomics, Ring-opening polymerization, Solvents

Peer-Reviewed Papers
15

References

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