A TiO<sub>2</sub> nanowire photocatalyst for dual-ion production in laser desorption/ionization (LDI) mass spectrometry
Moon-Ju Kim, Jong Min Park, Tae Gyeong Yun, Joo-Yoon Noh, Min‐Jung Kang, Jae‐Chul Pyun
Abstract
It has been challenging to detect small analytes in both positive and negative ion modes in MALDI-MS. Herein, TiO<sub>2</sub> nanowires are presented as a solid matrix to produce dual-ion of any analytes and to demonstrate the versatile applicability in LDI-MS.
Topics & Concepts
Mass spectrometryDesorptionIonIonizationNanowireAnalyteMaterials scienceAnalytical Chemistry (journal)LaserChemistryMatrix (chemical analysis)PhotocatalysisNanotechnologyChromatographyAdsorptionPhysical chemistryOrganic chemistryCatalysisOpticsPhysicsMass Spectrometry Techniques and ApplicationsIon-surface interactions and analysisAnalytical chemistry methods development