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Structural Characterization of Polyethers Using Matrix-Assisted Laser Desorption/Ionization Quadrupole Ion Trap Time-of-Fight Mass Spectrometry
Fragmentation of polyethers, such as poly(ethylene glycol) (PEG), poly(propylene glycol) and poly(tetramethylene glycol) was analyzed by matrix-assisted laser desorption/ionization tandem massExpand
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Reduction of organic dyes in matrix-assisted laser desorption/ionization and desorption/ionization on porous silicon.
Reduction of analytes in matrix-assisted laser desorption/ionization (MALDI) often obscures the actual determination of molecular structure. To address the redox reactions in laserExpand
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Quantitative analysis of polypropyleneglycol mixtures by desorption/ionization on porous silicon mass spectrometry
Abstract Mixtures of diol and triol types of polypropyleneglycol (PPG) bearing two and three hydroxyl end groups were analyzed quantitatively by matrix-assisted laser desorption/ionization (MALDI)Expand
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Intercalation of ferrocenylalkylammonium cations into the layered lattice of VOPO4
Some ferrocenylalkylammonium iodides, [FeII(C5H5){C5H4(CH2)nNR2R′}]+I–(n= 1 or 2; R,R′= H or Me), benzyldimethyl- and benzyltrimethyl-ammonium iodides reacted with VvOPO4·H2O·EtOH suspended inExpand
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Requirements for laser-induced desorption/ionization on submicrometer structures.
Laser-induced and matrix-free desorption/ionization on various submicrometer structures was investigated. First, to examine the effect of surface roughness on ionization, a silicon wafer or stainlessExpand
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Mass spectrometric analysis of low molecular mass polyesters by laser desorption/ionization on porous silicon.
A low molecular mass polyester was analyzed by desorption/ionization on porous silicon (DIOS) mass spectrometry. The results were compared with those of matrix-assisted laser desorption ionizationExpand
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Reduction of Cu (II) and Riboflavin in DIOS Mass Spectrometry
Understanding ion-molecular reactions is suggested to be essential to delineating the mechanisms of matrix-assisted laser desorption/ionization (MALDI) and related ionization methods. To examine theExpand
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Measurement of serum salicylate levels by solid-phase extraction and desorption/ionization on silicon mass spectrometry.
  • S. Okuno, Y. Wada
  • Medicine, Chemistry
  • Journal of mass spectrometry : JMS
  • 1 August 2005
The applicability of the matrix-free laser desorption/ionization on silicon mass spectrometry (DIOS-MS) to measuring serum drug levels was examined by analyzing serum salicylic acid. The optimizedExpand
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Oxidation of ferrocene derivatives in desorption/lonization on porous silicon.
In matrix-assisted laser desorption/ionization (MALDI), the true molecular structures of some analytes are not represented by the observed ions due to a redox reaction. In earlier reports, electronExpand
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