Microparticles with adsorbent surfaces, methods of making same, and uses thereof


The present invention is directed to microparticles, to microparticle compositions containing the same, to methods of forming the same, and to uses for the same, including use for a vaccine, for raising an immune response, for treatment of a disease and for diagnosis of a disease. The microparticles comprise a biodegradable polymer, such as a poly(-hydroxy acid), a polyhydroxy butyric acid, a polycaprolactone, a polyorthoester, a polyanhydride, or a polycyanoacrylate, and a detergent selected from a cationic detergent and an anionic detergent. The microparticles further comprise an antigen adsorbed on the surface of the microparticle.

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