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Laser-induced fragmentation of transition metal nanoparticles in ionic liquids

Marcos A Gelesky1, Alexandre P Umpierre, Giovanna Machado

  • 1Laboratory of Molecular Catalysis, Institute of Chemistry and Institute of Physics UFRGS, Av. Bento Gonçalves, 9500 Porto Alegre, 91501-970 RS Brazil.

Journal of the American Chemical Society
|March 31, 2005
PubMed

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Mass Spectrometry: Molecular Fragmentation Overview01:20

Mass Spectrometry: Molecular Fragmentation Overview

The ionization of a molecule into a molecular ion inside the mass spectrometer causes instability in the molecule's structure due to the loss of an electron. This eventually leads to the fragmentation or breaking of some bonds in the molecule. The fragmentation occurs predominantly at specific bonds to yield relatively stable fragments.
One type of fragmentation pattern is the cleavage of a single bond in the molecular ion. The cleavage leads to a radical and a cation. The cleavage can occur at...