叶酸
印记(心理学)
电化学
纳米颗粒
分子印迹
材料科学
纳米技术
碳化物
钼
化学
无机化学
选择性
有机化学
冶金
电极
催化作用
生物化学
医学
物理化学
内科学
基因
作者
Sajjad Hussain,Shabi Abbas Zaidi,Dhanasekaran Vikraman,Hyun‐Seok Kim,Jongwan Jung
标识
DOI:10.1016/j.bios.2019.111330
摘要
Abstract Herein, we propose a facile chemical reduction method to synthesize the molybdenum carbide (Mo2C) nanoparticles and its application for the electrochemical detection of folic acid (FA) through imprinting technique. Raman scattering, photoelectron spectroscopy and electron microscopy techniques were employed to study the properties of Mo2C nanoparticles. FA imprinting was carried out in the presence of pyrrole monomer over Mo2C modified glassy carbon electrode (GCE). The proposed sensor showed the detection behavior for wide range of FA concentrations from 0.01 μM to 120 μM with an excellent LOD value of 4 nM and good selectivity toward FA as compared to other co-existing species in real samples. The fabricated MIP-Mo2C/GCE sensors were able to be replicated with ∼1.9% RSD, and their reproduced sensor offered good repeatability (RSD; 1.6%) and stability.
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