Microspheres are produced by contacting an aqueous solution of a protein or other macromolecule with an organic solvent and a counterion, and chilling the solution. The microspheres are useful for preparing pharmaceuticals of defined dimensions.
微球是通过将蛋白质或其他大分子的
水溶液与有机溶剂和反离子接触,然后将溶液冷却而制成的。微球可用于制备特定尺寸的药物。