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首页> 外文会议>Sensing for Agriculture and Food Quality and Safety VIII >Detection of Chemical Residues in Food Oil via Surface-Enhanced Raman Spectroscopy
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Detection of Chemical Residues in Food Oil via Surface-Enhanced Raman Spectroscopy

机译：通过表面增强拉曼光谱法检测食用油中的化学残留物

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摘要

Highly ordered hexagonally patterned Ag-nanorod (Ag-NR) arrays for surface-enhanced Raman scattering (SERS) detection of unhealthy chemical residues in food oil was reported, which was obtained by sputtering Ag on the alumina nanotip arrays stuck out of conical-pore anodic aluminum oxide (AAO) templates. SERS measurements demonstrate that the as-fabricated large-scale Ag-nanostructures can serve as highly sensitive and reproducible SERS substrates for detection of trace amount of chemicals in oil with the lower detection limits of 2×10~(-6) M for thiram and 10~(-7) M for rhodamine B, showing the potential of application of SERS in rapid trace detection of pesticide residues and illegal additives in food oils.
机译：报道了用于对食用油中不健康化学残留物进行表面增强拉曼散射（SERS）检测的高度有序的六边形图案的银纳米线（Ag-NR）阵列，该阵列是通过将Ag溅射在从圆锥孔伸出的氧化铝纳米尖端阵列上而获得的阳极氧化铝（AAO）模板。 SERS测量表明，所制造的大型Ag纳米结构可作为高灵敏度和可重现性的SERS底物，用于检测油中痕量化学物，对硫氰酸盐和二恶英的检测下限较低2×10〜（-6）M。罗丹明B的10〜（-7）M，显示了SERS在快速跟踪食品油中农药残留和非法添加剂中的应用潜力。

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  • 来源
  • 会议地点 Baltimore MD(US)
  • 作者

    Kexi Sun; Qing Huang;

  • 作者单位

    Key Laboratory of Ion Beam Bioengineering, Key Laboratory of Environmental Toxicology and Pollution Control Technology of Anhui Province, Institute of Technical Biology and Agriculture Engineering, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, P.R. China;

    Key Laboratory of Ion Beam Bioengineering, Key Laboratory of Environmental Toxicology and Pollution Control Technology of Anhui Province, Institute of Technical Biology and Agriculture Engineering, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, P.R. China,University of Science and Technology of China, Hefei, 230026, P.R. China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    surface-enhanced Raman scattering; oil; pesticide residue; illegal additive; Ag-nanorod arrays;

    机译：表面增强拉曼散射；油;农药残留非法添加剂；银纳米阵列;

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