Quantitative selenium speciation by HPLC-ICP-MS(IDA) and simultaneous activity measurements in human vitreous humor
González de Vega R, Fernández-Sánchez ML, González Iglesias H, Coca Prados M, Sanz-Medel A. Quantitative selenium speciation by HPLC-ICP-MS(IDA) and simultaneous activity measurements in human vitreous humor. Analytical And Bioanalytical Chemistry 2014, 407: 2405-2413. PMID: 25344931, DOI: 10.1007/s00216-014-8241-6.Peer-Reviewed Original ResearchConceptsSize exclusion chromatographyMain selenium speciesQuantitative selenium speciationPlasma mass spectrometryQuantitative speciationSEC-ICPSelenium speciationSelenium speciesProtein complexesExclusion chromatographyExpected molecular weightSimultaneous activity measurementsMass spectrometryHPLC-ICPGPx proteinAntioxidant enzyme activitiesVitreous humor samplesICP-MSMolecular weightTotal Se concentrationEnzymatic activityPpb SeHuman vitreous humorEnzyme activityComplexes