Abstract
Simultaneous determination of erythromycin (Ery) and hemoglobin (Hb) is of great significance for clinical diagnosis of many diseases. ZnO nanorods modified with Au nanoparticles were fabricated as an interface on the flexible carbon cloth (CC) and utilized to simultaneously determine Ery and Hb by a simple electrochemical method. The results demonstrated that Au/ZnO/CC displayed excellent analytical performance for Ery with a low detection limit of 3.38 × 10−7 mg/L and a linear range from 1 × 10−6 to 1 × 10−1 mg/L. At the same time, the sensor also showed a sensitive response to Hb with a low detection limit of 2.07 × 10−7 mg/L and a linear range from 1 × 10−6 to 1 × 10−1 mg/L. This work provides a viable approach for designing a flexible electrode and sensitive simultaneous determination of Ery and Hb.
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