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Citation: RUAN Xiang-Yuan, ZENG Shao-Han, CAI Ming-Zhao, XU Jing-Wei. Surface Morphology of Glutathione Complex with Cadmium(Ⅱ) and Copper(Ⅱ) via Atomic Force Microscope[J]. Chinese Journal of Applied Chemistry, ;2009, 26(6): 1498-1500. shu

Surface Morphology of Glutathione Complex with Cadmium(Ⅱ) and Copper(Ⅱ) via Atomic Force Microscope

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a College of Chemistry and Environmental Engineering, Dongguan University of Technology, Dongguan 523808;
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b College of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou;
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c National Research and Analytical Center of Electrochemistry and Spectroscopy, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun

Corresponding author: RUAN Xiang-Yuan,
Received Date: 3 December 2008
Available Online: 10 March 2009
Fund Project: 广东省自然科学基金资助项目(5007902) (5007902)

The surface morphology of glutathione(GSH) complex with cadmium and copper on silicon surface was studied by means of atomic force microscopy(AFM).The results show that the GSH-Cd(Ⅱ) complex at diluted concentration dispersed disorderly on the surface with spheroid or cylinder states.The apparent height of the spheroid is(3.6±0.1) nm and the width is(60±10) nm.The complex aggregated with the increase of its concentration,the dimmers and multimers aggregated from monomers formed clusters.The difference of AFM images of GSH-Cd(Ⅱ) complex in different buffer solution systems is small.For GSH-Cu complex,firstly,some string bead chains were formed by aggregation of the uniform spheroid particles,then,under the influence of different directions,the long chains formed two kinds of different surface morphologies orderly and uniformly.
- glutathione-cadmium complex,
- glutathione-copper complex,
- atomic force microscope(AFM),
- surface morphology
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