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表面修饰制备的多孔铜氧化物/Cu-S) _n金属有机框架/减少的石墨烯氧化物等级结构,用于高度选择性的电化学奎尔丁检测

Sethupathi Velmurugan¹, Man-Mo Tse¹, Xiao-Yuan Lin²

¹Department of Applied Chemistry, National Chi Nan University, Puli, Nantou Hsien, 545, Taiwan.

Mikrochimica acta

|July 19, 2024

概括

在印碳电极上的一种新型CuO/Cu-Sn MOF/RGO复合物,可以使敏感的电化学检测得到氨酸. 这种传感器显示出高选择性和广的动态范围,用于对葡萄酒和洋等实物样品的素分析.

科学领域:

电化学电化学电化学
材料科学材料科学材料科学
分析化学分析化学

背景情况:

金属有机框架 (MOF) 和氧化石墨烯 (GO) 是电化学传感的有希望的材料.
开发高效的电极材料对于敏感和选择性分析物检测至关重要.
奎尔 (QUE) 是一种重要的抗氧化剂,具有各种健康影响,需要可靠的检测方法.

研究的目的:

为了合成一种新的CuO/(Cu-S) n MOF/RGO复合材料.
开发一种高度选择性和敏感的电化学传感器,用于检测奎尔丁.
在现实世界样本中评估传感器的性能.

主要方法:

在印碳电极 (SPCE) 上对CuO/(Cu-S) n MOF/RGO复合物的电化学合成.
复合材料的形态和电化学性质的表征.
使用微分脉冲电量计 (DPV) 检测奎尔塞丁的电化学检测.

主要成果:

合成的CuO/Cu-SnMOF/RGO复合物表现出多孔形态和增强的电子转移特性.
开发的电化学传感器在pH3.3下证明了具有广泛动态范围 (0.5115μM) 的选择性奎尔丁检测.
达到了0.083μM (S/N=3) 的低检测极限.
在真实样本中成功量化了奎尔:葡萄酒 (0.34 mg mL−1) 和洋 (27.7 μg g−1).

结论:

CuO/Cu-Sn MOF/RGO复合材料是构建高效电化学传感器的有希望的材料.
开发的传感器提供了高灵敏度,选择性和广泛的线性范围来检测奎尔丁.
传感器在真实样本中的适用性突显了其在实际食品分析中的潜力.

关键词:

化是一种化的过程.微分脉冲电压测量微分脉冲电压测量电化学传感器是一种电化学传感器.金属有机框架结构奎尔丁 (Quercetin) 是一种青素.葡萄酒和蔬菜样品的样品.

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