Publications de Thomas Rizzo | EPFL Graph Search

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Collision-induced dissociation (CID) is a key technique used in mass spectrometry-based peptide sequencing. Collisionally activated peptides undergo statistical dissociation, forming a series of backbone fragment ions that reflect their amino acid (AA) seq ...

We employ triple-resonance vibrational overtone excitation to access quasibound states of water from several fully characterized bound states of the molecule. Comparison of the measured dissociation spectra allows a rigorous assignment of rotational quantu ...

In response to the 2013 Update of the European Strategy for Particle Physics (EPPSU), the Future Circular Collider (FCC) study was launched as a world-wide international collaboration hosted by CERN. The FCC study covered an energy-frontier hadron collider ...

We report here an experimental approach that enables measurement of weak transitions to a wide range of rovibrational levels of water in the energy region 27000-34200 cm-1. We have previously demonstrated the use of laser double-resonance overtone excitati ...

Double-resonance overtone excitation prepares HOCl molecules in single rovibrational states above the unimolecular dissociation threshold in the ground electronic state, Detecting the OH dissociation fragments allows us to observe which reactant states lie above or below the dissocation threshold and determine that threshold to be 19 290.3+/-0.6 cm(-1). Dissociation rates from single, well-characterized eigenstates of the parent molecule exhibit fluctuations of more than an order of magnitude. (C) 1997 Amer

Infrared (IR) spectroscopy is a powerful tool used to infer detailed structural information on molecules, often in conjunction with quantum-chemical calculations. When applied to cryogenically cooled ions, IR spectra provide unique fingerprints that can be ...

We apply gas-phase double resonance spectroscopic techniques to two helical peptides, Ac-Phe-(Ala)5-Lys-H+ and Ac-Phe- (Ala)10-Lys-H+, using electrospray ionization combined with photofragmentation in a cold, 22-pole ion trap. Despite the large size of the ...

Spectra of jet-cooled methanol in the overtone and combination region from 5000 to, 14000 cm(-1) have been obtained by means of infrared laser-assisted photofragment spectroscopy. Many of the observed features are assigned to combination bands of the type ...

We recently demonstrated an original approach to highly selective laser isotope separation of carbon-13 that employs vibrational overtone pre-excitation of CF3 H together with infrared multiphoton dissociation [O.V. Boyarkin, M. Kowalczyk, T.R. Rizzo, J. C ...

We present a novel, hybrid ion trap/time-of-flight mass spectrometer that is based on a planar multipole design. Compared with Paul trap/time-of-flight instruments, this design possesses the principal advantages of higher injection efficiency and more homo ...

We report the first results from a new instrument capable of acquiring infrared spectra of mobility-selected ions. This demonstration involves using ion mobility to first separate the protonated peptide Gly-Pro-Gly-Gly (GPGG) into two conformational famili ...

Thomas Rizzo

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Cryogenic Spectroscopy and Quantum Molecular Dynamics Determine the Structure of Cyclic Intermediates Involved in Peptide Sequence Scrambling

Feshbach resonances in the water molecule revealed by state-selective spectroscopy

Going large(r): general discussion

HE-LHC: The High-Energy Large Hadron Collider Future Circular Collider Conceptual Design Report Volume 4

A New Approach for Identifying Positional Isomers of Glycans Cleaved from Monoclonal Antibodies

Collisionally-assisted spectroscopy of water from 27000 to 34000 cm-1

Cold Ion Spectroscopy Reveals the Intrinsic Structure of a Decapeptide

Direct measurement of eigenstate-resolved unimolecular dissociation rates of HOCl

Communication: Feshbach resonances in the water molecule revealed by state-selective spectroscopy (vol 133, 081103, 2010)

Toward High-Throughput Cryogenic IR Fingerprinting of Mobility-Separated Glycan Isomers

Spectroscopic signatures of gas-phase helices: Ac-Phe-(Ala)5-Lys-H+ and Ac-Phe-(Ala)10-Lys-H+

Vibrational overtone spectroscopy of jet-cooled methanol from 5000 to 14000 cm(-1)

Efficient, highly selective laser isotope separation of carbon-13

A Planar Multipole Ion Trap/Time-of-Flight Mass Spectrometer

Infrared Spectroscopy of Mobility-Selected H+-Gly-Pro-Gly-Gly (GPGG)

ELECTRONIC-SPECTRUM OF THE AMINO-ACID TRYPTOPHAN COOLED IN A SUPERSONIC MOLECULAR-BEAM

Conformation-specific infrared spectroscopy of gas phase peptides in a cold ion trap

UNIMOLECULAR REACTIONS NEAR THRESHOLD - THE OVERTONE VIBRATION INITIATED DECOMPOSITION OF HOOH (5-NU-OH)

THE ELECTRONIC-SPECTRUM OF THE AMINO-ACID TRYPTOPHAN IN THE GAS-PHASE

ELECTRONIC SPECTROSCOPY OF TRYPTOPHAN ANALOGS IN SUPERSONIC JETS - 3-INDOLE ACETIC-ACID, 3-INDOLE PROPIONIC-ACID, TRYPTAMINE, AND N-ACETYL TRYPTOPHAN ETHYL-ESTER