Rapid and sensitive colorimetric visualization of phthalates using UTP-modified gold nanoparticles cross-linked by copper(II) |
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| Authors: | Zhang Min Liu Yu-Qiang Ye Bang-Ce |
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| Affiliation: | Lab of Biosystems and Microanalysis, East China University of Science and Technology, Meilong RD 130, Shanghai, 200237, China. |
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| Abstract: | A simple and reliable colorimetric method for determination of phthalates is developed utilizing uridine-5'-triphosphate (UTP)-modified gold nanoparticles as a color indicator and Cu(2+) as a cross-linker. The method demonstrates superior sensitivity with a detection limit of phthalates of ca. 0.5 ppm. |
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