Under the direction of Professor Roberts, CoEBio3, UK, we owns a
proprietary technology for making polyamino acids of unique quality,
economically in commercial scale.

poly-L-lysine (base form, mw 1-5k, 4-15k, 20-40k)
Purity: >99.5%
201USD/10g, 5030USD/Kg



A WATER SOLUBLE POLY-L-GLUTAMIC ACID
alpha,gamma-poly(L-glutamic acid)
Mw 20000-40000(based on viscosity)
White crystal, pH=3.5
non-cytotoxicity(MTT)
Purity: 99.9%(HPLC)
Source: chemically synthetic
150USD/20g, 1050USD/Kg
Other Mw PLGAs and their sodium salts(pH=4.0, pH=4.5, adhesive) are available.

It is the newest biodegradable polymer. Unlike conventional poly(L-glutamic acid) where neighboring amino acids are linked by alpha-amide bonds to yield a peptide-like backbone, alpha,gamma-poly(L-glutamic acid) consists of alpha-amide bonds and gamma-amide bonds and is soluble in water.