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《Chemical Research In Chinese Universities》 2005-04
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Molecular Imprinting-{chemiluminescence} Determination of Analgin

HE Yun-Hua, L(U¨) Jiu-Ru*, ZHANG Hong-Ge, DU Jian-Xiu (School of Chemistry and Material, Shaanxi Normal University, Xi′an 710062, China)  
Chemiluminescence(CL) reaction of manganese(Ⅳ)-formaldehyde-analgin was carried out. Molecular imprinted polymer of analgin was prepared by using methacrylic acid as the functional monomer and ethylene glycol dimethacrylate as the cross-linker. The binding characteristic of the analgin-imprinted polymer was evaluated by Scatchard analysis. A new chemiluminescence method for the determination of analgin was proposed by the combination of analgin-imprinted polymer and manganese(Ⅳ)-formaldehyde-analgin CL system. The linear range is 1.0×10~-7 -1.0×10~-5 mol/L, the detection limit is 4×10~-8 mol/L, the relative standard deviation is 2.4%(1.0×10~-6 mol/L analgin, ~n=7 ). The method was applied to the determination of analgin in human urine samples directly.
【Fund】: 国家自然科学基金(批准号:20275023);; 陕西省自然科学基金(批准号:2002B12)资助.
【CateGory Index】: O657.39
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