Designing of MIP-based QCM sensor for the determination of Cu(II) ions in solution |
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Authors: | Zheng-peng Chun-jing |
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Affiliation: | aInstitute of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, Henan, China |
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Abstract: | A novel quartz crystal microbalance (QCM) sensor with a high selectivity and sensitivity has been developed for the determination of Cu(II) ions, based on the modification of Cu(II) ion-imprinted polymer (Cu(II)-IIP) film onto a quartz crystal. The performance of the developed MIP-QCM sensor was evaluated and the results indicated that a sensitive MIP-QCM sensor could be fabricated. The obtained MIP-QCM sensor presents high-selectivity monitoring of Cu(II) ions, better reproducibility, shorter response time (6 min), wider linear range (0.001–50 μM) and lower detection limit (8 × 10−4 μM). The practical analysis of the MIP-QCM sensor confirms the feasibility of Cu(II) determination in wastewater. |
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Keywords: | Cu(II) QCM Molecularly imprinted polymer (MIP) Determination |
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