| Separation of hydrophobic gold nanoparticles less than 10 nm by electrophoresis |
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| 引用本文： | YANG Yun MU Jin JIANG Long. Separation of hydrophobic gold nanoparticles less than 10 nm by electrophoresis[J]. 科学通报(英文版), 2005, 50(15): 1591-1594. DOI: 10.1360/982004-517 |
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| 作者姓名： | YANG Yun MU Jin JIANG Long |
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| 作者单位： | [1]Key Laboratory of Colloid and Interface Science, Institute of Chemis-try, Chinese Academy of Sciences, Beijing 100080, China [2]School of Chemistry and Pharmaceutics, China East University of Science and Technology, Shanghai 200237, China |
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| 摘 要： | An electrophoresis device was used to separate hydrophobic gold nanoparticles with particle size less than 10 nm dispersed in organic solvent. Image of transmission electron microscope （TEM） and UV-Vis spectra showed that the particles in the vicinity of cathode have a smaller mean diameter than those near the anode. This result indicates that the nanogolds in chloroform bring a positive charge in opposition to what is predicted by Coehn rule, and provides an electrophrosis method for separating hydrophobic nanogold particles of different sizes.
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| 关 键 词： | 电泳现象 纳米粒子 电子显微镜 光谱 |
| 收稿时间： | 2004-10-25 |
| 修稿时间： | 2004-10-252005-01-29 |
Separation of hydrophobic gold nanoparticles less than 10 nm by electrophoresis |
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| Yang Yun,Mu Jin,Jiang Long. Separation of hydrophobic gold nanoparticles less than 10 nm by electrophoresis[J]. Chinese science bulletin, 2005, 50(15): 1591-1594. DOI: 10.1360/982004-517 |
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| Authors: | Yang Yun Mu Jin Jiang Long |
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| Affiliation: | YANG Yun1,2, MU Jin2 & JIANG Long1,2 1. Key Laboratory of Colloid and Interface Science, Institute of Chemis-try, Chinese Academy of Sciences, Beijing 100080, China; 2. School of Chemistry and Pharmaceutics, China East University of Science and Technology, Shanghai 200237, China |
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| Abstract: | An electrophoresis device was used to separate hydrophobic gold nanoparticles with particle size less than 10 nm dispersed in organic solvent. Image of transmission electron microscope (TEM) and UV-Vis spectra showed that the particles in the vicinity of cathode have a smaller mean diameter than those near the anode. This result indicates that the nanogolds in chloroform bring a positive charge in oppo-sition to what is predicted by Coehn rule, and provides an electrophrosis method for separating hydrophobic nanogold particles of different sizes. |
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| Keywords: | electrophoresis gold nanoparticles separation. |
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