title: Complex-shaped three-dimensional multi-compartmental microparticles generated by diffusional and Marangoni microflows in centrifugally discharged droplets.
abstract: We report a versatile method for the generation of complex-shaped three-dimensional multi-compartmental (3D-MC) microparticles. Complex-shaped microparticles have recently received much attention for potential application in self-assemblies, micromachines, and biomedical and environmental engineering. Here, we have developed a method based on 3D nonequilibrium-induced microflows (Marangoni and diffusional flows) of microdroplets that are discharged from the tip of a thin capillary in a simple centrifugal microfluidic device. The microparticle shapes can be tuned by the partial dissolution of specific compartments and by the deformation of the precursor microdroplets by manipulating the 3D microflows. We believe that this method will have wide applications in nano- and microscience and technologies.
authors: Department of Computational Intelligence and Systems Science, Tokyo Institute of Technology, Yokohama, Kanagawa, 226-8502, Japan.
authors: Masayuki
authors: M
authors: Hayakawa
authors: Department of Mechanical Engineering, Keio University, Yokohama, Kanagawa, 223-8522, Japan.
authors: Hiroaki
authors: H
authors: Onoe
authors: School of Materials Science, Japan Advanced Institute of Science and Technology, Nomi, Ishikawa, 923-1292, Japan.
authors: Ken H
authors: KH
authors: Nagai
authors: Department of Computational Intelligence and Systems Science, Tokyo Institute of Technology, Yokohama, Kanagawa, 226-8502, Japan.|PRESTO, Japan Science and Technology Agency, Kawaguchi, Saitama, 332-0012, Japan.
authors: Masahiro
authors: M
authors: Takinoue