The invention relates to: a protein having dextran-saccharase activity and the sequence SEQ ID NO: 1 for an no acid sequence; a protein having dextran-saccharase activity and the sequence SEQ ID NO: 2 for an amino acid sequence; a complex containing a substrate and a protein with dextran-saccharase activity a method for synthesizing dextrans; and dextrans. The invention also relates to a method for synthesizing gluco-oligosaccharides and gluco-conjugates and to the resulting products.

The invention relates to: a protein having dextran-saccharase activity and the sequence SEQ ID NO: 1 for an no acid sequence; a protein having dextran-saccharase activity and the sequence SEQ ID NO: 2 for an amino acid sequence; a complex containing a substrate and a protein with dextran-saccharase activity a method for synthesizing dextrans; and dextrans. The invention also relates to a method for synthesizing gluco-oligosaccharides and gluco-conjugates and to the resulting products.

Compositions comprising a glycosaminoglycan (e.g., a hyaluronan, hyaluronic acid, hyaluronate, sodium hyaluronate, dermatan sulfate, karatan sulfate, chondroitin 6-sulfate, heparin, etc.) in combination with at least one component selected from; i) polyglycols (e.g., polyethylene glycol), ii) long chain hydroxy polyanionic polysaccharides (e.g., dextran, sodium alginate, alginic acid, propylene glycol alginate, carboxymethyl cellulose and carboxyethyl cellulose, hydroxyl ethyl starch, hydroxyl propyl methyl cellulose, hydroxy propyl ethyl cellulose, hydroxy propyl cellulose, methyl cellulose, polylysine, polyhistidine, polyhydroxy proline, poly ornithine, polyvinyl pyrolidone, polyvinyl alcohol, chitosan, etc.) and iii) long chain Nitrogen containing polymers (e.g., Polylysine, Polyvinylpyrrolidone, and polyvinyl alcohol). The invention also includes methods for using such compositions (e.g., as substance delivery materials, tissue fillers or bulking agents, as moistening or hydrating agents, etc.)

The present invention relates to high-efficiency encapsulation of hydrophilic substances in the hydrophilic space of unilamellar liposomes. High-efficiency encapsulation is achieved by the use of a polyhydric alcohol selected from propylene glycol or glycerine for dissolving the hydrophobic compounds forming the lipid bilayer of the liposomes. The invention provides unilamellar liposomes (UL) as well as a method for preparing same by way of low temperature extrusion. The invention also relates to use of these UL in the manufacturing of a medicament, a cosmetic product, a food additive or a disinfectant.

The present invention relates to dosage forms comprising a compressed blend of a biologically active ingredient, one or more polymers like a poly(a-hydroxy carboxylic acid) in which optionally is incorporated a glass transition modifying agent, and optional further ingredients, wherein the polymer or polymeric mixture has a specific glass transition temperature which causes the system to be in the glassy state at ambient conditions before administration and to be in the rubbery state under the physiological conditions to which the system is exposed after administration, resulting in pulsed release of said biologically active ingredient.

The present invention relates to dosage forms comprising a compressed blend of a biologically active ingredient, one or more polymers like a poly(a-hydroxy carboxylic acid) in which optionally is incorporated a glass transition modifying agent, and optional further ingredients, wherein the polymer or polymeric mixture has a specific glass transition temperature which causes the system to be in the glassy state at ambient conditions before administration and to be in the rubbery state under the physiological conditions to which the system is exposed after administration, resulting in pulsed release of said biologically active ingredient.

A tissue sealant for use in surgical and medical procedures for sealing the tissues of a living mammal is provided. The tissue sealant comprises a hydrogel which is formed by gelation of a premix disposed on the tissue to be sealed. The premix comprises alkylated chitosan or a gelatin, and a polybasic carboxylic acid or an oxidized polysaccharide, in an aqueous medium. The premix can also include a dehydrating reagent, a carboxyl activating reagent, or both. A specific use of the tissue sealant is in the repair of the dura mater after brain surgery to prevent leakage of cerebrospinal fluid. The tissue sealant may include a therapeutic or protective agent such as an antibiotic or an anti-inflammatory drug.

A tissue sealant for use in surgical and medical procedures for sealing the tissues of a living mammal is provided. The tissue sealant comprises a hydrogel which is formed by gelation of a premix disposed on the tissue to be sealed. The premix comprises alkylated chitosan or a gelatin, and a polybasic carboxylic acid or an oxidized polysaccharide, in an aqueous medium. The premix can also include a dehydrating reagent, a carboxyl activating reagent, or both. A specific use of the tissue sealant is in the repair of the dura mater after brain surgery to prevent leakage of cerebrospinal fluid. The tissue sealant may include a therapeutic or protective agent such as an antibiotic or an anti-inflammatory drug.

The invention relates to the use of branched maltodextrins for inducing lysis of the cell walls of eukaryotic organisms having a polysaccharide wall in the lumen of the intestine of an omnivorous or carnivorous animal comprising an intestinal flora and also for synergistically increasing the effect of the branched maltodextrins in the induction of the growth of the intestinal flora of an omnivorous or carnivorous animal. The invention also relates to the composition intended for this use and to a method for improving health or for food supplementation.

The invention relates to the use of branched maltodextrins for inducing lysis of the cell walls of eukaryotic organisms having a polysaccharide wall in the lumen of the intestine of an omnivorous or carnivorous animal comprising an intestinal flora and also for synergistically increasing the effect of the branched maltodextrins in the induction of the growth of the intestinal flora of an omnivorous or carnivorous animal. The invention also relates to the composition intended for this use and to a method for improving health or for food supplementation.