Document Detail


Crystalline titania nanoparticles synthesized in nonpolar L(α) lecithin liquid-crystalline media in one stage at ambient conditions.
MedLine Citation:
PMID:  21700435     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
High-temperature modification of titania in the form of nanoplatelets is synthesized fast in one step at ambient conditions without any additional treatment like aging or calcination. Lecithin, which is the main component of lipid matrix of biological membranes, is first used as a structure-driven template. It is demonstrated that this natural surfactant can self-organize into lamellar L(α) mesophase when small amounts of water are admixed in its solution in nonpolar solvent. The water locating mainly in lecithin polar region as hydration shell at this concentration triggers the hydrolysis-condensation reactions after the precursor addition that results in instantaneous titania formation in the form of crystalline nanoparticles. Planar lamellar sheets serve as the template specifying its crystallinity.
Authors:
Yury Shchipunov; Anna Krekoten
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-6-6
Journal Detail:
Title:  Colloids and surfaces. B, Biointerfaces     Volume:  -     ISSN:  1873-4367     ISO Abbreviation:  -     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-6-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9315133     Medline TA:  Colloids Surf B Biointerfaces     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier B.V. All rights reserved.
Affiliation:
Institute of Chemistry, Far East Department, Russian Academy of Sciences, 690022 Vladivostok, Russia; The WCU Center for Synthetic Polymer Bioconjugate Hybrid Materials, Division of Chemical Engineering, Pusan National University, San 30, Jangjun Dong, GeumjungGu, Busan 609-735 Republic of Korea.
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