Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1217, Issue 48, Pages 7461-7470Publisher
ELSEVIER
DOI: 10.1016/j.chroma.2010.08.056
Keywords
Molecularly imprinted polymer; Solid-phase microextraction; Anabolic steroids; Gas chromatography-mass spectrometry
Funding
- National Nature Sciences Funding of China [20735002]
- Key Scientific and Technical Innovation Project Ministry of Education of China [708056]
- Program of the Industrial Technology Development of Fujian Province
- Key Special Purpose Funding of Physical Education Bureau of Fujian Province [HX2005-74]
- Science and Technology Department of Fujian Province [2008Y0015]
- Agilent Technologies Co Ltd
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A relatively selective chemically and physically robust SPME fiber was developed in a simple way with testosterone-imprinted polymer and then directly coupled with gas chromatography-mass spectrometry (GC-MS) for selective extraction and analysis of anabolic steroids The factors influencing polymerization (i e cross-linker polymerization solvent polymerization time) were optimized in detail and the polymer was characterized by scanning electron microscope infrared spectrometer and thermogravimetric analyzer Furthermore the extraction performance of the MIP-coated SPME fibers such as extraction ability and selectivity was evaluated Moreover the interaction mode between target analytes and fiber coating was deducted Finally the method for extraction and determination of androsterone stanolone androstenedione and methyltestosterone by the homemade MIP-coated SPME fibers with GC-MS was obtained It was applied to the simultaneous analysis of four anabolic steroids in the spiked human urine with the satisfactory recoveries (C) 2010 Elsevier B V All rights reserved
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