Photocrosslinked-polysaccharide composition and production...

Details Photocrosslinked-polysaccharide composition and production... Photocrosslinked-polysaccharide composition and production...

2008-04-29

2008-04-29

Peselev, Elli (Department: 1623)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Carbohydrate doai

Reexamination Certificate

active

07365059

ABSTRACT:
A process for producing a photocrosslinked-polysaccharide composition, which comprises: freezing a photoreactive polysaccharide-containing solution comprising a photoreactive polysaccharide in which a photoreactive group is bound to a polysaccharide, an aqueous solvent capable of dissolving the photoreactive polysaccharide, and any one substance selected from the group consisting of alcohol having compatibility with the aqueous solvent, a surfactant and a chelating agent; and irradiating the resulting frozen product with light, and a photocrosslinked-polysaccharide composition obtained by the process.

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Leach et al., “Photocrosslinked Hyaluronic Acid Hydrogels: Natural, Biodegradable Tissue Engineering Scaffolds”, Biotechnology and Bioengineering, Wiley & Sons, Hoboken, NJ, US, vol. 82, No. 5, Jun. 5, 2003, pp. 578-589.

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