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A type of triangular pyramid-shaped microparticles of puerarin was synthesized by using oil-in-oil microemulsion approach which is simple and economical under the action of copper substrate.The pyramid-shaped microparticles would be made up of deposit of nanospheres or nanorods and have two significant characters.One is its complex surface morphology like coral reef.The other is a lot of nanopores in existence in the microparticle body.Two possible formation routes were speculated.
A type of triangular pyramid-shaped microparticles of puerarin was synthesized by using oil-in-oil microemulsion approach which is simple and economical under the action of copper substrate. Pyramid-shaped microparticles would be made up of deposit of nanospheres or nanorods and have two significant characters. One is its complex surface morphology like coral reef. the other is a lot of nanopores in existence in the microparticle body. Two possible formation routes were speculated.