Secondary electrospray ionization

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Spectroscopic studies of cold, gas-phase biomolecular ions

Thomas Rizzo, Oleg Boyarkine

While the marriage of mass spectrometry and laser spectroscopy is not new, developments over the last few years in this relationship have opened up new horizons for the spectroscopic study of biological molecules. The combination of electrospray ionization ...

2009

Integrated out-of-plane nanoelectrospray thruster arrays for spacecraft propulsion

Herbert Shea

Nanoelectrosprays, well known for their use in sample injection for the mass spectrometry of large biomolecules, can also be used in other applications such as spacecraft propulsion. The thrust generated by a single electrospray emitter is well below 1 μN, ...

Institute of Physics2009

Functional Electrospray Emitters

Hubert Girault, Michel Prudent

Electrospray ionisation (ESI) is a soft technique used in mass spectrometry (MS) analysis able to introduce a wide variety of analytes in the gas phase. Briefly, it consists in the application of a high- voltage to a solution to spray it through a small or ...

2009

Infrared photofragment spectroscopy of charged amino acid water clusters in the gas phase

Anthi Kamariotou

We present in this work a new technique, which combines laser photofragmentation spectroscopy with tandem mass spectrometry, for structural investigations of biomolecular ions in the gas phase. A novel apparatus was designed and built for the implementatio ...

EPFL2006

Microfluidic front-end technologies for protein electrospray mass spectrometry

Niels Erik Lion

In the present work, a polymer microfabricated microsprayer is characterised and tested for the mass spectrometric analysis of biomolecules, in particular in the context of protein mass spectrometry and proteomics. As the core of this work deals with analy ...

EPFL2006

Analysis of Biological and Synthetic Ribonucleic Acids by Liquid Chromatography-Mass Spectrometry Using Monolithic Capillary Columns

Ion-pair reversed-phase high-performance liq. chromatog. (IP-RP-HPLC) has been evaluated as a method for the fractionation and desalting of ribonucleic acids prior to their characterization by electrospray ionization mass spectrometry. Monolithic, poly(sty ...

2005