| Au capped magnetic core/mesoporous silica shell nanoparticles for combined photothermo-/chemo-therapy and multimodal imaging. | |
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MedLine Citation:
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PMID: 22027594 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Uniform Au NRs-capped magnetic core/mesoporous silica shell nanoellipsoids (Au NRs-MMSNEs) were prepared by coating a uniform layer of Au NRs on the outer surface of a magnetic core/mesoporous silica shell nanostructure, based on a two-step chemical self-assembly process. This multifunctional nanocomposite integrate simultaneous chemotherapy, photo-thermotherapy, in vivo MR-, infrared thermal and optical imaging into one single system. The obtained multifunctional nanoellipsoids showed very low cytotoxicity, and the cancer cell uptake and intracellular location of the nanoellipsoids were observed by confocal laser scanning microscopy and bio-TEM. Importantly, the prepared multifunctional nanoellipsoids showed high doxorubicin loading capacity and pH value-responsive release mainly due to the electrostatic interaction between DOX molecules and mesoporous silica surface. Besides, a synergistic effect of combined chemo- and photo-thermo therapy was found at moderate power intensity of NIR irradiation based on the DOX release and the photothermal effect of Au NRs. |
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Authors:
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Ming Ma; Hangrong Chen; Yu Chen; Xia Wang; Feng Chen; Xiangzhi Cui; Jianlin Shi |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-10-23 |
Journal Detail:
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Title: Biomaterials Volume: - ISSN: 1878-5905 ISO Abbreviation: - Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-26 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8100316 Medline TA: Biomaterials Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Ltd. All rights reserved. |
Affiliation:
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State Key of Laboratory of High Performance Ceramic and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Science, Shanghai 200050, PR China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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