The development of new ion-activation/dissociation methods continues to be one of the most
active areas of mass spectrometry owing to the broad applications of tandem mass …

Photodissociation mass spectrometry combines the ability to activate and fragment ions
using photons with the sensitive detection of the resulting product ions by mass …

Mass spectrometric identification of all types of molecules relies on the observation and
interpretation of ion fragmentation patterns. Peptides, proteins, carbohydrates, and nucleic …

The development of new ion activation techniques continues to be a dynamic area of
scientific discovery, in part to complement the tremendous innovations in ionization methods …

Optical spectroscopy has contributed enormously to our knowledge of the structure and
dynamics of atoms and molecules and is now emerging as a cornerstone of the gas phase …

Protein phosphorylation is involved in nearly all essential biochemical pathways and the
deregulation of phosphorylation events has been associated with the onset of numerous …

A detailed understanding of radiative and nonradiative processes in peptides containing an
aromatic chromophore requires the knowledge of the nature and energy level of low-lying …

The relative performances of different implementations of the Wang-Landau method are
assessed on two classes of systems with continuous degrees of freedom, namely, two …

We hereby explore the effects of irradiating DNA polyanions stored in a quadrupole ion trap
mass spectrometer with an optical parametric oscillator laser between 250 and 285 nm. We …

DNA multiply charged anions stored in a quadrupole ion trap undergo one-photon electron
ejection (oxidation) when subjected to laser irradiation at 260 nm (4.77 eV). Electron …