This invention describes a method for preparing water-insoluble biocompatible gels, films and sponges by reacting hyaluronic acid, or a salt thereof, with a carbodiimide in the absence of a nucleophile or a polyanionic polysaccharide. The water-insoluble gels, films and sponges of this invention may be used as surgical aids to prevent adhesions of body tissues and as drug delivery vehicles.

Esta invenção descreve um método para preparar gels biocompatible water-insoluble, películas e esponjas reagindo o ácido hyaluronic, ou um sal disso, com um carbodiimide na ausência de um polysaccharide nucleophile ou polyanionic. Os gels, as películas e as esponjas water-insoluble desta invenção podem ser usados como dae (dispositivo automático de entrada) cirúrgicos impedir adesões de tecidos do corpo e como veículos da entrega da droga.

 
Web www.patentalert.com

< Flame-proof moulding compounds

< Anti-HIV pyrazole derivatives

> Aryl phosphate derivatives of d4T having anti-HIV activity

> Compositions and methods for inhibiting human immunodeficiency virus infection by down-regulating human cellular genes

~ 00065