Copper ferrite-copper oxide (CuO-CuFe2O4) nanoparticles as a semiconductor composite with p-n junction were synthesized by co-precipitation reaction. Then, a novel CuO-CuFe2O4 carbon paste modified electrode was fabricated which displays an effectual electrocatalytic response to the oxidation of acetaminophen (AC) and codeine (CO). A linear range of 0.01-1.5 μmol L-1 and 0.06-10.0 μmol L-1 with the detection limits of 0.007 μmol L-1 and 0.01 μmol L-1 were achieved for AC and CO, respectively. The practical usage of the proposed sensor revealed reasonable results for quantification of AC and CO in biological fluids.

中文翻译：

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使用 CuO/CuFe 2 O 4 纳米粒子作为新型电催化剂对生物体液中对乙酰氨基酚和可待因的超灵敏电化学传感

通过共沉淀反应合成了具有pn结的半导体复合材料铁氧体铜-氧化铜(CuO-CuFe2O4)纳米粒子。然后，制备了一种新型 CuO-CuFe2O4 碳糊修饰电极，该电极对乙酰氨基酚 (AC) 和可待因 (CO) 的氧化表现出有效的电催化响应。AC 和 CO 的线性范围分别为 0.01-1.5 μmol L-1 和 0.06-10.0 μmol L-1，检测限分别为 0.007 μmol L-1 和 0.01 μmol L-1。所提出的传感器的实际使用揭示了生物流体中 AC 和 CO 定量的合理结果。