NDLI: Quartz-Wool-Supported Surface Dummy Molecularly Imprinted Silica as a Novel Solid-Phase Extraction Sorbent for Determination of Bisphenol A in Water Samples and Orange Juice

Content Provider	Springer Nature Link
Author	Li, Yarong Cheng, Jincheng Lu, Pengpeng Guo, Wang Wang, Qiang He, Chiyang
Copyright Year	2016
Abstract	A type of quartz wool-supported surface dummy molecularly imprinted silica (QW@MIP) was prepared using bisphenol AF as the template molecule for solid-phase extraction of bisphenol A (BPA). The QW@MIP was characterized by FT-IR spectroscopy, scanning electron microscopy, and thermo-gravimetric analysis. The adsorption tests showed that the QW@MIP had high-adsorption ability and a fast binding kinetics for BPA. When used as a solid-phase extraction (SPE) sorbent for BPA, the QW@MIP showed ease of packing SPE cartridge, low flow resistance, high extraction efficiency, high enrichment factor, and good reusability. Moreover, the dummy-imprinting technique used herein can effectively avoid the interference of residual template molecules in sorbent to determination of BPA. A new SPE method was developed using the QW@MIP sorbent, and then coupled with a high-performance liquid chromatography method, it was successfully applied to the detection of BPA spiked in water samples and orange juice and that in a certified sample with recoveries of 96.7–103.1% (RSD = 1.0–2.8%), 96.9–99.9% (RSD = 1.0–2.9%), and 99.2% (RSD = 0.5%), respectively. The limit of detection (S/N = 3) and limit of quantification (S/N = 10) for all samples were 0.05 and 0.17 ng mL$^{−1}$, respectively. The QW@MIP can be potentially used as a good SPE sorbent for BPA in environmental water samples and beverages.
Starting Page	1922
Ending Page	1930
Page Count	9
File Format	PDF
ISSN	19369751
Journal	Food Analytical Methods
Volume Number	10
Issue Number	6
e-ISSN	1936976X
Language	English
Publisher	Springer US
Publisher Date	2016-12-19
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Quartz wool Dummy molecular imprinting Solid-phase extraction Bisphenol A High-performance liquid chromatography Food Science Chemistry/Food Science Microbiology Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Safety Research Safety, Risk, Reliability and Quality Applied Microbiology and Biotechnology Food Science

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