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(A) The CVs of the immunosensor after incubation in different concentrations of carbofuran standard solution (from a to l): 0, 1, 5, 10, 50, 100, 500, 1.0 × 103, 5.0 × 103, 1.0 × 104, 5.0 × 104, 1.0 × 105 ng/mL under the optimal conditions; (B) The calibration curve of the relative change of current response of the proposed immunosensor versus the logarithm of carbofuran concentration.
