NDLI: Electrospun Nylon6 Nanofibrous Membrane as SPE Adsorbent for the Enrichment and Determination of Three Estrogens in Environmental Water Samples

Content Provider	Springer Nature Link
Author	Xu, Qian Wu, Shu Yan Wang, Min Yin, Xue Yan Wen, Zuo Yang Ge, Wen Na Gu, Zhong Ze
Copyright Year	2009
Abstract	In this paper, electrospun Nylon6 nanofibrous membrane was firstly used as adsorbent for solid membrane extraction (SME). The membrane was arranged as a disk in a home-made device, three estrogens-estradiol (E2), ethinylestradiol (EE2) and estrone (E1) in environmental water were extracted and then determined by liquid chromatography–ultraviolet detector (LC–UV). The important parameters affecting extraction efficiency were completely studied and optimized. The experimental results showed that only 1.5 mg Nylon6 nanofibrous membrane could make the maximum sample loading volume up to 50 mL and the target analytes were adsorbed effectively. Under the optimized conditions, the limits of detection (LOD) for E2, EE2, E1 were up to 0.05, 0.08, 0.17 ng mL−1 respectively and the repeatabilities (RSD%) of intra-membrane and inter-membrane were below 6.0% about spiked samples. The proposed method was subsequently applied to studying water samples from river, rain, pond and tap. Satisfactory spiked recoveries in the range of 85.3–95.9% at 0.25 ng mL−1 spiked level for the three estrogens were obtained. A comparison with commercial nylon microporous membrane and octadecylsilica (ODS) cartridges was also carried out. All the results showed that electrospun Nylon6 nanofibrous membrane, as a new adsorbent material has great potential for the enrichment of steroid estrogens in the water samples with satisfactory recovery and repeatability.
Starting Page	487
Ending Page	492
Page Count	6
File Format	PDF
ISSN	00095893
Journal	Chromatographia
Volume Number	71
Issue Number	5-6
e-ISSN	16121112
Language	English
Publisher	Vieweg Verlag
Publisher Date	2009-12-29
Publisher Place	Wiesbaden
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Column liquid chromatography–ultraviolet detector Solid membrane extraction Water analysis Electrospinning Nylon6 nanofibrous membrane Measurement Science and Instrumentation Plant Sciences Biochemistry Pharmacy Organic Chemistry Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Analytical Chemistry Biochemistry Clinical Biochemistry

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