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The competitive immunoreaction technique for the detection of 2,4-dichlorophenoxyacetic acid(2,4-D) was described in this paper based on quartz crystal microbalance (QCM) with gold nanoparticles enhanced surfaces. The results showed the response of the sensor has a good linear relationship with 2,4-D concentrations in the range of 13.3–666.7ng/mL with a detection limit at about 13.0ng/mL. This work...
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