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Items for "electrospray ionization"

Hydrogen peroxide causes greater oxidation in cellular RNA than in DNA

Human A549 lung epithelial cells were challenged with 18O-labeled hydrogen peroxide ([18O]-H2O2), the total RNA and DNA extracted in parallel, and analyzed for 18O-labeled 8-oxo-7,8-dihydroguanosine ([18O]-8-oxoGuo) and 8-oxo-7,8-dihydro-2?-deoxyguanosine ([18O]-8-oxodGuo) respectively, using high-performance liquid chromatography electrospray ionization tandem mass spectrometry (HPLC-MS/MS)...

Keywords: A549 cells, electrospray ionization, Mass spectrometry, oxidative stress, 8-oxodGuo, 8-oxoGuo

04/2005 | Biological Chemistry, Walter de Gruyter
Mass spectrometry and theoretical investigation of di-alkylphosphoric acid–lanthanide complexes

In the framework of nuclear waste reprocessing, separation processes of minor actinides from fission products are developed using liquid–liquid extraction...

Keywords: electrospray ionization, Mass spectrometry, Dialkylphosphoric acid, Lanthanide, Quantum chemistry

02/2008 | Radiochimica Acta, Oldenbourg Wissenschaftsverlag