Detection of Pb〔2+〕 Using a Hydrogel Swelling Microcantilever Sensor

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  • LIU Ke
    Department of Chemistry and Institute for Micromanufacturing, Louisiana Tech University
  • JI Hai-Feng
    Department of Chemistry and Institute for Micromanufacturing, Louisiana Tech University

書誌事項

タイトル別名
  • Detection of Pb<sup>2+</sup> Using a Hydrogel Swelling Microcantilever Sensor
  • Detection of Pb 2 Using a Hydrogel Swelling Microcantilever Sensor

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説明

Hydrogels containing benzo-18-crown-6 were used to modify microcantilevers for measurements of the concentration of Pb2+ in aqueous solutions. These microcantilevers undergo bending deflection upon exposure to solutions containing various Pb2+ concentrations as the result of a swelling of the hydrogels. It was found that a concentration of 10-6 M Pb2+ can be detected using this technology. Other cations, such as Na+, have no effect on the deflection of this cantilever. The cation K+, which also complexes with benzo-18-crown-6, could interfere with Pb2+ detection, but only at high concentrations (> 10-4 M).

収録刊行物

  • Analytical Sciences

    Analytical Sciences 20 (1), 9-11, 2004

    社団法人 日本分析化学会

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