| Synthesis and characterization of multifunctional silica core-shell nanocomposites with magnetic and fluorescent functionalities. | |
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MedLine Citation:
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PMID: 20336173 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Multifunctional core-shell nanocomposites with a magnetic core and a silica shell doped with lanthanide chelate have been prepared by a simple method. First, citric acid-modified magnetite nanoparticles were synthesized by a chemical coprecipitation method. Then the magnetite nanoparticles were coated with silica shells doped with terbium (Tb(3+)) complex by a modified Stöber method based on hydrolyzing and condensation of tetraethyl orthosilicate (TEOS) and a silane precursor. These multifunctional nanocomposites are potentially useful in a variety of biological areas such as bio-imaging, bio-labeling and bioassays because they can be simultaneously manipulated with an external magnetic field and exhibit unique phosphorescence properties. |
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Authors:
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Zhiya Ma; Dosi Dosev; Mikaela Nichkova; Randy K Dumas; Shirley J Gee; Bruce D Hammock; Kai Liu; Ian M Kennedy |
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Publication Detail:
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Type: JOURNAL ARTICLE |
Journal Detail:
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Title: Journal of magnetism and magnetic materials Volume: 321 ISSN: 0304-8853 ISO Abbreviation: - Publication Date: 2009 May |
Date Detail:
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Created Date: 2010-7-13 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101314425 Medline TA: J Magn Magn Mater Country: - |
Other Details:
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Languages: ENG Pagination: 1368-1371 Citation Subset: - |
Affiliation:
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Department of Mechanical and Aeronautical Engineering, University of California-Davis, One Shields Avenue, Davis CA 95616, USA. |
Export Citation:
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Descriptor/Qualifier:
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| Grant Support | |
ID/Acronym/Agency:
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P42 ES004699-230016//NIEHS NIH HHS |
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