Air plasma assisted directional electrodeposition of Ag nanoparticles on carbon cloth for electrochemical detection of rutin

IF 5.3 2区化学 Q1 CHEMISTRY, ANALYTICAL Microchimica Acta Pub Date : 2025-03-06 DOI:10.1007/s00604-025-07068-2

Jing Ren, Yutong An, Shiqi Yin, Jun Wang, Qingxian Yu, Chunfang Li, Tianrong Zhan

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Abstract

The air plasma-induced defects and O-related groups are employed as anchoring sites for the directional electrochemical deposition of Ag nanoparticles (AgNPs) with even distribution and a narrow size range on carbon cloth (CC). The strategy of integrating the air plasma and AgNPs provides plentiful adsorption and catalytic sites, a large electroactive area, superhydrophilic interface, and a smooth charge and mass-transfer pathway. As a consequence, the fabricated self-supporting electrode of AgNPs@CC − P displays an excellent sensing performance toward rutin with a large linear concentration window (0.05 ~ 30 µM), a small LOD (4.2 nM, S/N = 3) and LOQ (32 nM, S/N = 10), as well as good stability and reproducibility. The fabricated sensor is successfully applied to the practical detection of rutin in tablets and beverages with good accuracy. The self-supporting sensor also shows potential for fabricating flexible and soft sensing devices for real-time monitoring.

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空气等离子体辅助定向电沉积纳米银在碳布上电化学检测芦丁

利用空气等离子体诱导缺陷和o相关基团作为锚定位点，在碳布（CC）上定向沉积了分布均匀、尺寸范围窄的银纳米粒子（AgNPs）。结合空气等离子体和AgNPs的策略提供了丰富的吸附和催化位点，大的电活性面积，超亲水性界面以及平滑的电荷和传质途径。结果表明，制备的AgNPs@CC−P自支撑电极对芦丁具有良好的传感性能，线性浓度窗大（0.05 ~ 30µM）， LOD小（4.2 nM, S/N = 3）， LOQ小（32 nM, S/N = 10），稳定性和重复性好。该传感器成功地应用于片剂和饮料中芦丁的实际检测，具有良好的准确性。这种自支撑式传感器还显示出制造用于实时监测的柔性和软传感设备的潜力。图形抽象

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来源期刊

Microchimica Acta 化学-分析化学

CiteScore

9.80

自引率

5.30%

发文量

410

审稿时长

2.7 months

期刊介绍： As a peer-reviewed journal for analytical sciences and technologies on the micro- and nanoscale, Microchimica Acta has established itself as a premier forum for truly novel approaches in chemical and biochemical analysis. Coverage includes methods and devices that provide expedient solutions to the most contemporary demands in this area. Examples are point-of-care technologies, wearable (bio)sensors, in-vivo-monitoring, micro/nanomotors and materials based on synthetic biology as well as biomedical imaging and targeting.