Three-dimensional ordered macroporous magnetic photonic crystal microspheres for enrichment and detection of mycotoxins (II): The application in liquid chromatography with fluorescence detector for mycotoxins
| Autor: | Jie Liu, Rui Shao, Liu Yan, Qianqian Ling, Xin Wang, Wei Li, Siqi Zhuo, Ding Zhi, Qianjin Li, Jianlin Li, Tiesong Zheng |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
Ochratoxin A
Aflatoxin Aflatoxin B1 Surface Properties Magnetic separation 010402 general chemistry 01 natural sciences Biochemistry Fluorescence spectroscopy Antibodies Fluorescence Analytical Chemistry chemistry.chemical_compound Column chromatography Acetonitrile Zearalenone Chromatography High Pressure Liquid Photons Chromatography 010401 analytical chemistry Organic Chemistry General Medicine Mycotoxins Ochratoxins Microspheres 0104 chemical sciences Immobilized Proteins chemistry Reagent Crystallization Porosity |
| Zdroj: | Journal of chromatography. A. 1604 |
| ISSN: | 1873-3778 |
| Popis: | Enrichment, separation and purification are very important to accurately analyze mycotoxins in complicated samples. In the work, we developed a new enrichment, purification and high-performance liquid chromatography combined with fluorescence detector (HPLC-FLD) for aflatoxins B1 (AFB1), ochratoxin A (OTA) and Zearalenone (ZEN) assay using the macroporous magnetic 3D photonic crystal microspheres (3DPCMs). The conditions of enrichment and purification for mycotoxins have been optimized, which are as follows: pore size of 3DPCMs at 280 nm, 1:1 methanol:acetonitrile (v/v) as eluent, antibody concentrations at 60 µg/mL,60 µg/mL and 120 µg/mL for OTA, AFB1 and ZEN, respectively. The recovery rates in the rice, wheat and corn samples range from 70.01% to 100.12% and the relative standard deviation (RSD) range from 0.45% to 7.09%. The recovery rates used 3DPCMs are almost tenfold higher than that used non-macroporous PCMs in the same conditions. The developed method is simple, rapid (time including enrichment, purification and detection |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Full Text from ScienceDirect