Abstract: The invention relates to beads and a composition comprising an aqueous phase comprising a plurality of beads, the beads comprising or consisting in a hydrogel matrix comprising at least one carboxyalkyl chitosan having glucosamine units, N-acetyl-glucosamine units and glucosamine units substituted with a carboxyalkyl group, the carboxyalkyl chitosan being crosslinked by covalent bonds between the carboxyalkyl chitosan chains and/or co-crosslinked by covalent bonds with one or more other polymers. The invention also relates to processes for their preparation and applications thereof.

Abstract: The present invention relates to a carboxyalkyl chitosan having a zeta potential, measured at pH 7.5, that is less than or equal to ?20 mV, compositions comprising same, a process for manufacturing same, and various applications thereof, in particular in the field of therapy, rheumatology, ophthalmology, esthetic medicine, plastic surgery, internal surgery, dermatology or cosmetics.

Abstract: The present invention relates to a carboxyalkyl chitosan having a zeta potential, measured at pH 7.5, that is less than or equal to ?20 mV, compositions comprising same, a process for manufacturing same, and various applications thereof, in particular in the field of therapy, rheumatology, ophthalmology, esthetic medicine, plastic surgery, internal surgery, dermatology or cosmetics.

Abstract: The present invention relates to a carboxyalkyl chitosan, compositions comprising same, a process for manufacturing same, and various applications thereof, in particular in the field of therapy, rheumatology, ophthalmology, esthetic medicine, plastic surgery, internal surgery, dermatology or cosmetics.