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Application of nickel cobalt oxide nanoflakes for electrochemical sensing of estriol in milk

机译：镍钴氧化物纳米薄膜在牛奶中电化学感应的应用

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摘要

In this work, a nickel cobalt oxide (Ni/Co oxide) nanoflake based electrochemical sensor for the fast determination of estriol in milk is presented for the first time. Nanostructured Ni/Co oxide with controlled morphology was synthesized by a facile hydrothermal method. The morphology and the electrochemical performance of the Ni/Co oxide were characterized by scanning electron microscopy transmission electron microscope, and energy dispersive X-ray spectroscopy, respectively. Results indicated that the porous hexagonal sheet-like Ni/Co oxide exhibited excellent electrocatalytic activity toward estriol, with a low detection limit of 0.42 nM, and linear range from 1 nM to 14 nM. Good specificity, stability and reproducibility were also demonstrated. Recovery was determined from 92.7% to 103.7% for spiked milk samples, providing a promising platform for fast screening of estriol.
机译：在这项工作中，首次介绍了用于快速测定牛奶中雌醇的氧化钴（Ni / Co氧化物）的电化学传感器。 通过容易的水热法合成具有受控形态的纳米结构Ni / Co氧化物。 通过扫描电子显微镜透射电子显微镜和能量分散X射线光谱，表征Ni / Co氧化物的形态和电化学性能。 结果表明，多孔六方片状Ni / Co氧化物对雌醇表现出优异的电催化活性，低检测限为0.42nm，线性范围为1nm至14nm。 还证明了良好的特异性，稳定性和再现性。 对于尖刺的牛奶样品，回收率为92.7％至103.7％，为快速筛选雌醇提供了有希望的平台。

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  • 来源
    《RSC Advances》 |2016年第70期|共6页
  • 作者

    Fu Hui-Jun; Wang Yu; Dong Xiu-Xiu; Liu Yi-Xin; Chen Zi-Jian; Shen Yu-Dong; Yang Chi; Dong Jie-Xian; Xu Zhen-Lin;

  • 作者单位

    South China Agr Univ Guangdong Prov Key Lab Food Qual &

    Safety 483 Wushan Rd Guangzhou 510642 Guangdong Peoples R China;

    Guangzhou Inst Food Control Guangzhou 510410 Guangdong Peoples R China;

    South China Agr Univ Guangdong Prov Key Lab Food Qual &

    Safety 483 Wushan Rd Guangzhou 510642 Guangdong Peoples R China;

    South China Agr Univ Guangdong Prov Key Lab Food Qual &

    Safety 483 Wushan Rd Guangzhou 510642 Guangdong Peoples R China;

    South China Agr Univ Guangdong Prov Key Lab Food Qual &

    Safety 483 Wushan Rd Guangzhou 510642 Guangdong Peoples R China;

    South China Agr Univ Guangdong Prov Key Lab Food Qual &

    Safety 483 Wushan Rd Guangzhou 510642 Guangdong Peoples R China;

    Nantong Univ Dept Pharm Nantong 226001 Peoples R China;

    Univ Calif Davis Dept Entomol Davis CA 95616 USA;

    South China Agr Univ Guangdong Prov Key Lab Food Qual &

    Safety 483 Wushan Rd Guangzhou 510642 Guangdong Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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