Jiaxue Su, Chunyu Zhou, Jialing Du, Zhili Xiong, Longshan Zhao
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One-step hydrothermal preparation of biomass-derived carbon dots as fluorescent probes for the detection of enrofloxacin in aquatic products
Enrofloxacin (ENR) residue is harmful to humans and the ecosystem. Therefore, it is necessary to develop a method for the detection of ENR residues in food. Herein, we have prepared novel biomass-derived carbon dots (BCDs) by a one-step hydrothermal method to detect ENR. The precursor material is cicada slough, which is one of the traditional crude drugs. Transmission electron microscopy (TEM) and X-ray diffraction (XRD) results confirmed the formation of BCDs. The average particle size of the prepared BCDs is 19.6 ± 0.2 nm, and the maximum excitation/emission wavelength is 355/436 nm. Under the optimal conditions, the detection linear of ENR ranged from 0.13 to 16.67 µM, and the detection limit was 0.069 µM. According to the experimental results, it can be applied in the detection of ENR in aquatic products with a good recovery rate (88.6%–104.7%), demonstrating its potential in detecting ENR in aquatic products.
期刊介绍：
This interdisciplinary journal publishes new measurement results, characteristic properties, differentiating patterns, measurement methods and procedures for such purposes as food process innovation, product development, quality control, and safety assurance.
The journal encompasses all topics related to food property measurement and characterization, including all types of measured properties of food and food materials, features and patterns, measurement principles and techniques, development and evaluation of technologies, novel uses and applications, and industrial implementation of systems and procedures.
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