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Electro-active silver oxide nanocubes for label free direct sensing of bisphenol A to assure water quality
Materials Today Chemistry ( IF 6.7 ) Pub Date : 2020-06-01 , DOI: 10.1016/j.mtchem.2020.100267
U. Chakraborty , G. Bhanjana , G. Kaur , A. Kaushik , G.R. Chaudhary

Abstract This research, for the first time, demonstrates a direct electrochemical detection of bisphenol A (BPA) using silver oxide (Ag2O) nanocubes (NCs) modified platinum electrode. The Ag2O NCs, size ranging from 60 to 100 nm utilized in this research as a smart electro-active sensing platform were pure and synthesized using a cost-effective, affordable, and facile chemical route. The Ag2O NCs modified electrochemical sensor exhibited a low limit of detection (LOD) as 20 nmol dm−3, high sensitivity as 95 μA (μmol dm−3)−1 cm−2, and linear dynamic range (LDR) varies from 80 nmol dm−3- 4.8 μmol dm−3. This sensor also showed good selectivity, reproducibility, and reusability for BPA detection. The practical application of developed sensor was also tested using real water samples. The outcomes of this research suggested that Ag2O NCs based sensor can be useful for effective and efficient electrochemical BPA sensing in both real and lab samples.

中文翻译:

电活性氧化银纳米立方体用于无标记直接感应双酚 A 以确保水质

摘要 本研究首次展示了使用氧化银 (Ag2O) 纳米立方体 (NCs) 修饰的铂电极直接电化学检测双酚 A (BPA)。在本研究中用作智能电活性传感平台的 Ag2O NCs,尺寸范围从 60 到 100 nm,是纯净的,并使用具有成本效益、负担得起且简便的化学途径合成。Ag2O NCs 修饰的电化学传感器表现出低检测限 (LOD) 为 20 nmol dm-3,高灵敏度为 95 μA (μmol dm-3)-1 cm-2,线性动态范围 (LDR) 为 80 nmol dm-3- 4.8 μmol dm-3。该传感器在 BPA 检测方面也表现出良好的选择性、重现性和可重复使用性。还使用真实水样测试了开发的传感器的实际应用。
更新日期:2020-06-01
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