Dialysis process for the removal of surfactants to form colloidal mesoporous silica nanoparticles

Dialysis process for the removal of surfactants to form colloidal mesoporous silica nanoparticles

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 preparatio...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2009-01 (34), p.5094-5096
Hauptverfasser: Urata, Chihiro, Aoyama, Yuko, Tonegawa, Akihisa, Yamauchi, Yusuke, Kuroda, Kazuyuki
Format: Artikel
Sprache:eng
Schlagworte:
Colloids - chemistry
Dialysis
Nanoparticles - chemistry
Particle Size
Porosity
Silicon Dioxide - chemistry
Surface Properties
Surface-Active Agents - chemistry
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Beschreibung
Zusammenfassung: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.
ISSN:1359-7345
1364-548X
DOI:10.1039/b908625k