@article{zhao_zhou_zhang_wang_ge_2019,  title={Rapid and Effective Sample Cleanup based on Polyvinylpyrrolidone-Coated Magnetite Nanoparticles Coupled with New Pre-Column Derivatization for Determination of Aflatoxins B<sub>1</sub>, B<sub>2</sub>, G<sub>1</sub> and G<sub>2</sub> in Animal Feeds by High-Performance Liquid Chromatography with Fluorescence Detection},  volume={30},  ISSN={0103-5053},  url={https://doi.org/10.21577/0103-5053.20190088},  DOI={10.21577/0103-5053.20190088},  number={9},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Zhao, Jiao and Zhou, Yifang and Zhang, Yi and Wang, Baoling and Ge, Dandan},  year={2019},  month={Sep},  pages={1814–1824} }