An eco-friendly fluorescence polymer nanoparticle based on carbon quantum dots and poly(methyl methacrylate) nanoparticles is successfully fabricated to detect sulfadiazine. By making use of the abundant functional group of carbon quantum dots and poly(methyl methacrylate) nanoparticles, without any extra modification, the synthetic process of the fluorescence nanoparticles is reduced and the unnecessary chemical molecules are avoided being brought into the reaction system. The investigation of the fluorescence property of carbon quantum dots shows that the prepared carbon quantum dots are the excitation independent. In addition, the morphology of the synthesized fluorescence polymer nanoparticle is tested by the scanning electron microscope and shows that the fluorescence sensor possesses a good spherical core-shell structure. Moreover, under the optimized condition, the prepared fluorescence polymer nanoparticle possesses a good selectivity in the detection of sulfadiazine under a mixture solution. Moreover, the limit of detection is 4 μmol.l-1 within the detective range from 10 μmol.l-1 to 60 μmol.l-1. Meanwhile, the fluorescence quenching mechanism is considered with the photoinduced electron transfer mechanism. Finally, the practical research on the detection of sulfadiazine in tap water shows that the recovery range and relative standard deviation are 97.5% - 105.1% and 2.1%-4.5%, respectively.

中文翻译：

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一种生态友好的氟聚合物纳米颗粒，用于选择性监测自来水中的磺胺嘧啶。

基于碳量子点和聚甲基丙烯酸甲酯纳米粒子的环保型荧光聚合物纳米粒子被成功制备用于检测磺胺嘧啶。通过利用碳量子点和聚（甲基丙烯酸甲酯）纳米粒子的丰富官能团，无需进行任何额外的修饰，荧光纳米粒子的合成过程减少，避免了不必要的化学分子进入反应体系。对碳量子点的荧光性质的研究表明，所制备的碳量子点与激发无关。另外，通过扫描电子显微镜测试了合成的荧光聚合物纳米颗粒的形态，表明该荧光传感器具有良好的球形核-壳结构。此外，在优化条件下，制备的荧光聚合物纳米颗粒在混合溶液中磺胺嘧啶的检测中具有良好的选择性。此外，在10μmol.l-1至60μmol.l-1的检测范围内，检测限为4μmol.l-1。同时，考虑到荧光猝灭机理与光致电子转移机理。最后，对自来水中磺胺嘧啶检测的实践研究表明，回收率和相对标准偏差分别为97.5％-105.1％和2.1％-4.5％。考虑到荧光猝灭机理与光诱导电子转移机理。最后，对自来水中磺胺嘧啶检测的实际研究表明，回收率和相对标准偏差分别为97.5％-105.1％和2.1％-4.5％。考虑到荧光猝灭机理与光诱导电子转移机理。最后，对自来水中磺胺嘧啶检测的实践研究表明，回收率和相对标准偏差分别为97.5％-105.1％和2.1％-4.5％。