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：
Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance.
Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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