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https://hdl.handle.net/2440/75389
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Type: | Journal article |
Title: | Titanate-silica mesostructured nanocables: synthesis, structural analysis and biomedical applications |
Author: | Su, Y. Qiao, S. Yang, H. Yang, C. Jin, Y. Stahr, F. Sheng, J. Cheng, L. Ling, C. Lu, G. |
Citation: | Nanotechnology, 2010; 21(6):online- |
Publisher: | IOP Publishing Ltd |
Issue Date: | 2010 |
ISSN: | 0957-4484 1361-6528 |
Statement of Responsibility: | Yonghua Su, Shizhang Qiao, Huagui Yang, ChenYang, Yonggang Jin, Frances Stahr, Jiayu Sheng, Lina Cheng, Changquan Ling, and Gao Qing Lu |
Abstract: | 1D hierarchical composite mesostructures of titanate and silica were synthesized via an interfacial surfactant templating approach. Such mesostructures have complex core–shell architectures consisting of single-crystalline H₂Ti₃O₇ nanobelts inside the ordered mesoporous SiO₂ shell, which are nontoxic and highly biocompatible. The overall diameter of as-prepared 1D hierarchical composite mesostructures is only approx. 34.2 nm with a length over 500 nm on average. A model to explain the formation mechanism of these mesostructures has been proposed; the negatively charged surface of H₂Ti₃O₇ nanobelts controls the formation of the octadecyltrimethylammonium bromide (C₁₈TAB) bilayer, which in turn regulates the cooperative self-assembly of silica and C₁₈TAB complex micelles on the interface to produce a mesoporous silica shell. More importantly, the application of synthesized mesostructured nanocables as anticancer drug reservoirs has also been explored, which indicates that the membranes containing these mesoporous nanocables have a great potential to be used as transdermal drug delivery systems. |
Keywords: | Titanium Silicon Dioxide Bufanolides Antineoplastic Agents Delayed-Action Preparations Surface-Active Agents Nanostructures |
Rights: | © 2010 IOP Publishing Ltd |
DOI: | 10.1088/0957-4484/21/6/065604 |
Grant ID: | http://purl.org/au-research/grants/arc/LP0882681 http://purl.org/au-research/grants/arc/DP0452461 |
Published version: | http://dx.doi.org/10.1088/0957-4484/21/6/065604 |
Appears in Collections: | Aurora harvest Chemical Engineering publications |
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