Abstract Biomass carbon dots (CDs) prepared by sweet potato peels were superior fluorophores with low toxicity and excellent photostability. A novel designed fluorescence probe for specific recognition and sensitive detection of oxytetracycline (OTC) was fabricated with CDs and molecularly imprinted polymer (MIP). The quenching of CDs happened when rebinding with OTC due to electron-transfer-induced fluorescence quenching mechanism. The fluorescence probe was successfully applied in honey with the recoveries ranging from 90.2% to 97.3%. The detection limit of OTC was 15.3 ng mL−1. This work provides promising perspectives that the development of fluorescent MIP will be valuable for rapid analysis in complex samples.

中文翻译：

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生物质碳点的简便绿色合成与分子印迹聚合物相结合，用于高选择性检测土霉素

摘要 甘薯皮制备的生物质碳点（CDs）是一种毒性低、光稳定性好的优良荧光团。使用 CD 和分子印迹聚合物 (MIP) 制造了一种用于特异性识别和灵敏检测土霉素 (OTC) 的新型荧光探针。由于电子转移诱导的荧光猝灭机制，CDs 在与 OTC 重新结合时发生猝灭。该荧光探针在蜂蜜中成功应用，回收率从90.2%到97.3%不等。OTC 的检测限为 15.3 ng mL-1。这项工作提供了有前景的观点，即荧光 MIP 的发展对于复杂样品的快速分析将是有价值的。