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Carbon supported olivine type phosphate framework: a promising electrocatalyst for sensitive detection of dopamine

机译:碳支持的橄榄石型磷酸盐框架:用于多巴胺的敏感检测的有前途的电催化剂

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摘要

In this study, a layered olivine-type LiMnPO4/functionalized-multiwall carbon nanotube (f-MWCNTs) composite is used as an electrochemically active material for the real-time detection of dopamine. A wet-chemical ultrasonication process is used to combine LiMnPO4 with f-MWCNTs at room temperature. The composite was subjected to various structural, morphological and electrochemical studies. The blending of olivine-type LiMnPO4 into the f-MWCNTs is revealed by TEM analysis. The electrochemical activities of the LiMnPO4/f-MWCNTs composite are systematically investigated using cyclic voltammetry (CV) and differential pulse voltammetry (DPV) for the real-time detection of dopamine. Furthermore, the applicability of the as prepared LiMnPO4/f-MWCNTs composite was extended for the detection of human serum (E48) and rat brain-serum (C7) samples with satisfactory recoveries for the real-time applications. All these studies revealed that the layered olivine-type LiMnPO4/f-MWCNTs composite is a potential candidate in the field of electrochemical sensing.
机译:在该研究中,使用层状橄榄石型LiMnPO4 /官能化 - 多壁碳纳米管(F-MWCNTs)复合材料用作用于实时检测多巴胺的电化学活性材料。湿化学超声过程用于在室温下将LIMNPO4与F-MWNTS结合。对复合材料进行各种结构,形态学和电化学研究。 TEM分析揭示了Olivine-型LimnPO4进入F-MWCNTS的混合。利用循环伏安法(CV)和差分脉冲伏安法(DPV)来系统地研究了LIMNPO4 / F-MWCNTS复合材料的电化学活性,以进行多巴胺的实时检测。此外,延长了作为制备的LiMnPO4 / F-MWCNTS复合材料的适用性,用于检测人血清(E48)和大鼠脑 - 血清(C7)样品,具有令人满意的实时应用的回收率。所有这些研究表明,层状橄榄石型LiMnPO4 / F-MWCNTS复合材料是电化学感测领域的潜在候选者。

著录项

  • 来源
    《RSC Advances》 |2018年第49期|共11页
  • 作者

    Nehru Raja; Chen Shen-Ming;

  • 作者单位

    Natl Taipei Univ Technol Dept Chem Engn &

    Biotechnol Taipei 10608 Taiwan;

    Natl Taipei Univ Technol Dept Chem Engn &

    Biotechnol Taipei 10608 Taiwan;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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