Chitosan (~340,000Da) [9012-76-4]

Biocompatible, antibacterial and environmentally friendly polyelectrolyte with a variety of applications1 including water treatment, chromatography, additives for cosmetics, textile treatment for antimicrobial activity,2 novel fibers for textiles, photographic papers, biodegradable films,3 biomedical devices, and microcapsule implants for controlled release in drug delivery.4,5,6

Forms gels with multivalent anions. Gives clear solutions that dry to strong, clear films.

Source:
Animal Origin

Molecular Weight:
~340,000Da

Viscosity: 800-2000 cps, c=1%, 1% acetic acid

Deacetylation: >75%

Storage and Stability:
Lyophilized powder may be stored at -20°C. Stable for 12 months after receipt at -20°C. Reconstitute with sterile buffer or ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.