Graphene Oxide/Plane Cocoon Double Membrane Solid Phase Microextraction for the Concentration of Alkaloids in Coptis chinensis

Graphene Oxide/Plane Cocoon Double Membrane Solid Phase Microextraction for the Concentration of... Chromatographia (2017) 80:1467–1473 DOI 10.1007/s10337-017-3357-4 SHORT COMMUNICATION Graphene Oxide/Plane Cocoon Double Membrane Solid Phase Microextraction for the Concentration of Alkaloids in Coptis chinensis 1 1 1 1 1 1 Jin Wang  · Xuan Chen  · Shuang Hu  · Xiaohong Bai  · Haodong Zhao  · Zhilin Wu   Received: 6 February 2017 / Revised: 6 July 2017 / Accepted: 11 July 2017 / Published online: 14 July 2017 © Springer-Verlag GmbH Germany 2017 Abstract A new graphene oxide/plane cocoon double Keywords Solid phase microextraction · Graphene membrane solid phase microextraction, combined with oxide · Plane cocoon · Alkaloid · Coptis chinensis HPLC, was proposed and employed for concentration and determination of the trace levels of four alkaloids (jatrorrhizine, coptisine, palmatine and berberine) in Coptis Introduction chinensis. In this method, a special double solid membrane was prepared to extract four alkaloids. After extraction, the Solid phase microextraction (SPME), was first introduced enriched target analytes on the membrane were dissociated by Arthur and Pawliszyn in the early 1990s [1], which is by methanol and analyzed by HPLC. The main variables a simple, fast, and efficient sample preparation technique affecting the method were investigated and optimized. that eliminates the need for solvents and integrates sam- Under the optimized conditions, linear range of coptisine pling, isolation, and enrichment http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Chromatographia Springer Journals

Graphene Oxide/Plane Cocoon Double Membrane Solid Phase Microextraction for the Concentration of Alkaloids in Coptis chinensis

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by Springer-Verlag GmbH Germany
Subject
Chemistry; Chromatography; Proteomics; Pharmacy; Laboratory Medicine; Analytical Chemistry
ISSN
0009-5893
eISSN
1612-1112
D.O.I.
10.1007/s10337-017-3357-4
Publisher site
See Article on Publisher Site

Abstract

Chromatographia (2017) 80:1467–1473 DOI 10.1007/s10337-017-3357-4 SHORT COMMUNICATION Graphene Oxide/Plane Cocoon Double Membrane Solid Phase Microextraction for the Concentration of Alkaloids in Coptis chinensis 1 1 1 1 1 1 Jin Wang  · Xuan Chen  · Shuang Hu  · Xiaohong Bai  · Haodong Zhao  · Zhilin Wu   Received: 6 February 2017 / Revised: 6 July 2017 / Accepted: 11 July 2017 / Published online: 14 July 2017 © Springer-Verlag GmbH Germany 2017 Abstract A new graphene oxide/plane cocoon double Keywords Solid phase microextraction · Graphene membrane solid phase microextraction, combined with oxide · Plane cocoon · Alkaloid · Coptis chinensis HPLC, was proposed and employed for concentration and determination of the trace levels of four alkaloids (jatrorrhizine, coptisine, palmatine and berberine) in Coptis Introduction chinensis. In this method, a special double solid membrane was prepared to extract four alkaloids. After extraction, the Solid phase microextraction (SPME), was first introduced enriched target analytes on the membrane were dissociated by Arthur and Pawliszyn in the early 1990s [1], which is by methanol and analyzed by HPLC. The main variables a simple, fast, and efficient sample preparation technique affecting the method were investigated and optimized. that eliminates the need for solvents and integrates sam- Under the optimized conditions, linear range of coptisine pling, isolation, and enrichment

Journal

ChromatographiaSpringer Journals

Published: Jul 14, 2017

References

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