Gang Xiang, Wensi Xu, Wenfeng Zhuge, Zhengfa Zhang, Cuizhong Zhang, Jinyun Peng, Fuyan Li
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Porphyrin-based conjugated microporous polymer-grafted graphene electrochemical sensor for vanillin detection
Vanillin is often used in food and medicine because of its unique flavor and pharmacological effects. However, excessive vanillin intake can harm human health; therefore, rapid and simple vanillin detection methods are required. In this study, porphyrin-based conjugated microporous polymer-grafted graphene (CMP-rGO) was synthesized via the Sonogashira–Hagihara coupling reaction and assembled into an electrochemical sensor for vanillin detection. Due to the enhanced electrical conductivity and electrocatalytic characteristics of CMP-rGO, the sensor demonstrated a low detection limit of 0.07 μM and a broad response range of 0.08–20 μM. Furthermore, this reusable sensor exhibited acceptable recoveries when evaluating vanillin in pharmaceuticals and human serum. This study offers technological assistance for the rapid detection of vanillin in pharmaceuticals and broadens the application of CMP-rGO.
期刊介绍：
The Journal of the Chinese Chemical Society was founded by The Chemical Society Located in Taipei in 1954, and is the oldest general chemistry journal in Taiwan. It is strictly peer-reviewed and welcomes review articles, full papers, notes and communications written in English. The scope of the Journal of the Chinese Chemical Society covers all major areas of chemistry: organic chemistry, inorganic chemistry, analytical chemistry, biochemistry, physical chemistry, and materials science.
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