Decavanadate(V_(10)O_(28)^(6-)or V10)is a paradigmatic member of the polyoxidometalate(POM)family,which has been attracting much attention within both materials/inorganic and biomedical communities due to its unique s...Decavanadate(V_(10)O_(28)^(6-)or V10)is a paradigmatic member of the polyoxidometalate(POM)family,which has been attracting much attention within both materials/inorganic and biomedical communities due to its unique structural and electrochemical properties.In this work we explored the utility of high-resolution electrospray ionization(ESI)mass spectrometry(MS)and ion exclusion chromatography LC/MS for structural analysis of V10 species in aqueous solutions.While ESI generates abundant molecular ions representing the intact V10 species,their isotopic distributions show significant deviations from the theoretical ones.展开更多
基金supported in part by the grants R01 GM112666 from the National Institutes of HealthCHE-1709552 from the National Science Foundation.The FT ICR mass spectrometer used in this work was acquired through the grant CHE-0923329 from the National Science Foundation(Major Research Instrumentation program)is now a part of the Mass Spectrometry Core facility at UMass-Amherst(RRID:SCR_019063).
文摘Decavanadate(V_(10)O_(28)^(6-)or V10)is a paradigmatic member of the polyoxidometalate(POM)family,which has been attracting much attention within both materials/inorganic and biomedical communities due to its unique structural and electrochemical properties.In this work we explored the utility of high-resolution electrospray ionization(ESI)mass spectrometry(MS)and ion exclusion chromatography LC/MS for structural analysis of V10 species in aqueous solutions.While ESI generates abundant molecular ions representing the intact V10 species,their isotopic distributions show significant deviations from the theoretical ones.
