Effective Enrichment and Detection of Trace Polycyclic Aromatic Hydrocarbons in Food Samples based on Magnetic Covalent Organic Framework Hybrid Microspheres

NWIPB OpenIR

	Effective Enrichment and Detection of Trace Polycyclic Aromatic Hydrocarbons in Food Samples based on Magnetic Covalent Organic Framework Hybrid Microspheres
	Li, Ning ; Wu, Di ; Hu, Na ; Fan, Guangsen ; Li, Xiuting ; Sun, Jing ; Chen, Xuefeng ; Suo, Yourui ; Li, Guoliang ; Wu, Yongning
	2018-04-04
发表期刊	JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
摘要	The present study reported a facile, sensitive, and efficient method for enrichment and determination of trace polycyclic aromatic hydrocarbons (PAHs) in food samples by employing new core-shell nanostructure magnetic covalent organic framework hybrid microspheres (Fe3O4@COF-(TpBD)) as the sorbent followed by HPLC-DAD. Under mild synthetic conditions, the Fe3O4@COF-(TpBD) were prepared with the retention of colloidal nanosize, larger specific surface area, higher porosity, uniform morphology, and supermagnetism. The as-prepared materials showed an excellent adsorption ability for PAHs, and the enrichment efficiency of the Fe3O4@COF-(TpBD) could reach 99.95%. The obtained materials also had fast adsorption kinetics and realized adsorption equilibrium within 12 min. The eluent was further analyzed by HPLC-DAD, and good linearity was observed in the range of 1-100 ng/mL with the linear correlation being above 0.9990. The limits of detection (S/N = 3) and limits of quantitation (S/N = 10) for 15 PAHs were in the range of 0.83-11.7 ng/L and 2.76-39.0 ng/L, respectively. For the application, the obtained materials were employed for the enrichment of trace PAHs in food samples and exhibited superior enrichment capacity and excellent applicability.
文献类型	期刊论文
条目标识符	http://210.75.249.4/handle/363003/28935
专题	中国科学院西北高原生物研究所
推荐引用方式 GB/T 7714	Li, Ning,Wu, Di,Hu, Na,et al. Effective Enrichment and Detection of Trace Polycyclic Aromatic Hydrocarbons in Food Samples based on Magnetic Covalent Organic Framework Hybrid Microspheres[J]. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY,2018.
APA	Li, Ning.,Wu, Di.,Hu, Na.,Fan, Guangsen.,Li, Xiuting.,...&Wu, Yongning.(2018).Effective Enrichment and Detection of Trace Polycyclic Aromatic Hydrocarbons in Food Samples based on Magnetic Covalent Organic Framework Hybrid Microspheres.JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY.
MLA	Li, Ning,et al."Effective Enrichment and Detection of Trace Polycyclic Aromatic Hydrocarbons in Food Samples based on Magnetic Covalent Organic Framework Hybrid Microspheres".JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY (2018).