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Open Access Article
1 - Determination of mercury (II) by spectrophotometric method based on self assembly of gold nanoparticles
Yan Du Jing Yan Mei Ni Bao DuDue to the binding of the –COO- group with the mercury (II), gold nanoparticlesfunctionalized with glutathione can self-assemble to form a supermolecular network in the HAc-NaAc buffer solution. The aggregation of functionalized gold nanoparticles and mercury (II) MoreDue to the binding of the –COO- group with the mercury (II), gold nanoparticlesfunctionalized with glutathione can self-assemble to form a supermolecular network in the HAc-NaAc buffer solution. The aggregation of functionalized gold nanoparticles and mercury (II)caused the shift of maximum absorption peak of the UV-Vis spectrum from 520 nm to 609 nm.Based on this principle, a simple spectrophotometric method for determination of mercury (II)was preliminarily established. The detection limit of the developed method for determination ofmercury (II) was about 8.5×10-8 mol L-1. Manuscript profile
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