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Sigma Aldrich Fine Chemicals Biosciences Poly-L-lysine hydrobromide, 25988-63-0, MFCD00237230, 25 mg
Supplier: Sigma Aldrich Fine Chemicals Biosciences P263625MG
Mol wt 30,000-70,000. Poly-L-lysine polymers can be used in promoting cell adhesion to solid substrates, conjugation to methotrexate for increased drug transport, microencapsulation of islets, cell microencapsulation technology, microarray glass slide coating, and chromosomal preparations. Lower molecular weight poly-L-lysine (30,000-70,000) is less viscuous in solution, but higher molecular weight versions provide more attachment sites per molecule.
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