ChiMA Kit – Methacrylated Chitosan Kit


Chitosan is formed by chitin deacetylation and consists of -(1-4)-linked d-glucosamine and N-acetyl-d-glucosamine. Since this polycationic polysaccharide contains glucosamine and N-acetylglucosamine molecules, it has a high degree of structural similarity to natural glycosaminoglycans (GAG). Chitosan has been investigated for various tissue engineering applications and drug delivery in recent years due to its high biocompatibility and biodegradability, low immunogenicity and cationic nature. In addition, because of its unique hemostatic and anti-infective activity, chitosan is regarded as wound healing promoter and widely employed in wound healing application.

However, unmodified chitosan can dissolve in acidic solutions due to strong intermolecular hydrogen bonds; this limits its use as an injectable hydrogel. Chitosan is functionalized with methacrylic anhydride so that the polymer can be photo crosslinked through chain-growth, step-growth, or a combination of both mechanisms referred to as mixed mode.


GumMA Specifications;

Synonyms ChiMA, ChiMA Lyophilizate, Methacrylated Chitosan, Chitosan Methacrylate, Chitosan Methacryloyl
Sterility Sterile
Degree of methacrylation 20-40%
Shelf life Minimum of 6 months from date of receipt
Storage conditions +2˚C/+8˚C, Light sensitive, moisture sensitive
Form Lyophilizate


Irgacure 2959 Specifications;

Shelf life Dry powder (non-solubilized) is stable for >1 year at 2-8°C
Storage conditions RT (room temperature)


LAP Specifications;

Shelf life Dry powder (non-solubilized) is stable for >1 year at 2-8°C
Storage conditions +2˚C/+8˚C


Additional information


100 mg non sterile, 100 mg sterile, 5 x 100 mg non sterile, 5 x 100 mg sterile

Photoinitiator type

250 mg Irgacure 2959, 250 mg LAP, 50 mg Irgacure 2919, 50 mg LAP


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