Stir bar sorptive extraction combined with high performance liquid chromatography-ultraviolet/inductively coupled plasma mass spectrometry for analysis of thyroxine in urine samples

•A new composite coating was prepared for SBSE of thyroxines with high extraction efficiency.•A method of PEG/OH-PDMS/γ-MPTS SBSE-HPLC-UV/ICP-MS was developed for human urine analysis.•The method provided low LODs, high extraction efficiency and wide linear range. In this work, polyethyleneglycol (P...

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Veröffentlicht in:	Journal of Chromatography A 2013-11, Vol.1318, p.49-57
Hauptverfasser:	Fan, Wenying, Mao, Xiangju, He, Man, Chen, Beibei, Hu, Bin
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption Adult Amphoteric thyroxines analysis Biological and medical sciences Chromatography, High Pressure Liquid - methods Coating correlation Desorption detection limit Enrichment Extraction Female high performance liquid chromatography HPLC-UV/ICP-MS Human urine Humans Investigative techniques, diagnostic techniques (general aspects) Limit of Detection Male Mass spectrometry Mass Spectrometry - methods Medical sciences metabolites Miscellaneous. Technology mixing Molecular Structure Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques PEG/OH-PDMS/γ-MPTS coating polyethylene glycol sol-gel processing Solid Phase Extraction - instrumentation Solid Phase Extraction - methods Spectrophotometry, Ultraviolet Spiking Stir bar sorptive extraction Thyroxine Thyroxine - chemistry Thyroxine - isolation & purification Thyroxine - urine Urine
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