Poly-L-glutamic acid sodium salt

Poly-L-glutamic acid sodium salt, mol wt 15,000-50,000

Poly-L-glutamic acid sodium salt, mol wt 50,000-100,000

Poly-L-glutamic acid sodium salt, suitable for ligand binding assays, Mol wt 3,000-15,000

Poly-L-glutamic acid sodium salt, mol wt 1,500-5,500 by MALLS