Not only single microparticles but also assembled cluster-like particles can be designed through encapsulation of colloidal silica in the emulsion. The particle size is predominantly governed by several preparation factors such as agitation speed, temperature of the emulsion, and hydrophilic-lipophilic balance and concentration of the surfactant. Their particle size can be widely controlled from a submicron level to several dozens of micrometers. Furthermore, these microparticles can be imparted with a variety of functions, making them applicable in electrical applications and in the energy and environmental fields.ĪB - Various microparticles of ceramics and organic-inorganic composites can be fabricated through solgel reactions or aggregation of hydrogels in water-in-oil emulsions. These microparticles are useful for biomedical applications such as drug carriers in drug delivery systems and intra-arterial treatment of deep-seated cancer by radiotherapy and hyperthermia. N2 - Various microparticles of ceramics and organic-inorganic composites can be fabricated through solgel reactions or aggregation of hydrogels in water-in-oil emulsions. T1 - Microparticles preparation using water-in-oil emulsion
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