期刊
MATERIALS RESEARCH BULLETIN
卷 45, 期 5, 页码 654-658出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.materresbull.2009.12.035
关键词
Inorganic compounds; Nanostructures; Electron microscopy; X-ray diffraction
资金
- National Natural Science Foundation of China [20801043]
- Wuhan Science and Technology Bureau [200850731376]
- University Grants Committee of the Hong Kong Special Administrative Region China [AoE/P10/01]
Well-crystallized bismuth subcarbonate ((BiO)(2)CO3) nanoparticles were successfully synthesized by water-in-oil (w/o) microemulsion-assisted hydrothermal method. In this synthesis, bismuth citrate and urea are used as the precursors and the thermal decomposition of citrate leads to the formation of major carbonate anion. The reaction, nucleation and growth steps are confined inside the water droplets and hence uniform and well-crystallized spherical nanoparticles are formed. Importantly, these nanoparticles exert comparable anti-Helicobacter pylori activities to the clinically used drug, colloidal bismuth subcitrate (CBS), which offers a promise for development of new nanomedicines. (c) 2010 Elsevier Ltd. All rights reserved.
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