Dialysis process for the removal of surfactants to form colloidal mesoporous silica nanoparticles
Literature Information
Chihiro Urata, Yuko Aoyama, Akihisa Tonegawa, Kazuyuki Kuroda
Colloidal mesoporous silica nanoparticles less than 20 nm in diameter are prepared by dialysis; this simple surfactant removal route can avoid aggregation by sedimentation–redispersion and remove cationic surfactants while retaining the original colloidal state, which is applicable to the preparation of primary nanoparticles carrying a functional organic substance.
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