Microspheres, also referred to as microparticles are small spherical particles, which have diameters ranging from one to thousand micrometers. Microspheres are powders that are biodegradable in nature and are manufactured from various synthetic and natural materials such as polymer microspheres, glass microspheres, and ceramic microspheres. The method involved in the preparation of microparticles includes spray drying and cooling, solvent extraction, and quasi emulsion solvent diffusion. ... Read more
