Abstract
ABSTRACT In this work, we prepared a sensing platform by utilising the nanocomposite of Vulcan XC-72 R carbon nanoparticles and β-cyclodextrin (β-CD/VXC-72 R) to decorate glassy carbon electrode for detecting MP sensitively. For the β-CD/VXC-72 R composite, VXC-72 R possesses high electroactive area and exceptional electrical conductivity, which is conducive to the generation of interwoven carbon conductive structures. β-CD can effectually facilitate the homogeneous dispersion of VXC-72 R and also enhance the accumulate of MP at the sensing interface. Furthermore, the presence of VXC-72 R compensates for the inherent inferior conductivity of β-CD. The collaborative interaction of VXC-72 R and β-CD enabled the prepared sensor to obtain excellent MP detection properties with a low limit of detection (LOD) of 6.7 nM in MP concentration range of 0.1–10 μM. In addition, the β-CD/VXC-72 R modified glassy carbon electrode (GCE) displayed satisfactory repeatability and reproducibility.
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