COOH

Poly(lactic acid) (PLA) particles with COOH groups on the surface consist of poly(D,L-lactic acid) with a molecular weight of 17.000 D. They are available with diameters of 250 nm and 500 nm in small size distributions and with mean diameters of 30 µm and 100 µm in broader size distributions. The particles are supplied in water without any surfactants.

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