Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Damon B. Robb"'
Publikováno v:
Rapid Communications in Mass Spectrometry. 30:333-339
Rationale Atmospheric pressure photoionization (APPI) is considered a candidate ionization method suitable for a broad range of liquid chromatography/mass spectrometry (LC/MS) applications. Questions remain, however, regarding the ultimate potential
Autor:
Ross D. McCulloch, Damon B. Robb
Publikováno v:
Analytical chemistry. 89(7)
A comparison study is presented in which the relative performance of a new orthogonal geometry field-free atmospheric pressure photoionization (FF-APPI) source was evaluated against both electrospray ionization (ESI) and atmospheric pressure chemical
Autor:
Hendrik Kersten, Klaus J. Brockmann, Thorsten Benter, Sonja Klee, Tiina J. Kauppila, Risto Kostiainen, Walter Wißdorf, Sascha Albrecht, Andries P. Bruins, Faezeh Dousty, Sebastian Klopotowski, Jack A. Syage, Valerie Derpmann, Damon B. Robb, Rob O'Brien
Publikováno v:
Journal of the American Society for Mass Spectrometry, 25(8), 1310-1321. SPRINGER
It is well documented since the early days of the development of atmospheric pressure ionization methods, which operate in the gas phase, that cluster ions are ubiquitous. This holds true for atmospheric pressure chemical ionization, as well as for m
Publikováno v:
Rapid Communications in Mass Spectrometry. 24:3303-3308
An improved in-source atmospheric pressure-electron capture dissociation (AP-ECD) method is described. Building upon the early example of Laprevote's group, photoelectrons generated within a commercial PhotoSpray atmospheric pressure photoionization
Autor:
Michael W. Blades, Damon B. Robb
Publikováno v:
Rapid Communications in Mass Spectrometry. 23:3394-3400
We introduce a novel electropneumatic-heated nebulizer (EPn-HN), incorporating an electrified internal pneumatic nebulizer, to enhance the yield of sprayed ions from PhotoSpray™ atmospheric pressure photoionization (APPI) sources for liquid chromat
Autor:
Allan K. Bertram, Damon B. Robb, J.H. Hepburn, Sarah J. Hanna, Michael W. Blades, Pedro Campuzano-Jost, E. A. Simpson
Publikováno v:
International Journal of Mass Spectrometry. 281:140-149
A novel aerosol ion trap mass spectrometer combining pulsed IR laser desorption with electron impact (EI) ionization for single particle studies is described. The strengths of this instrument include a two-step desorption and ionization process to mi
Autor:
Allan K. Bertram, Pedro Campuzano-Jost, Damon B. Robb, John W. Hepburn, Michael W. Blades, Itamar Burak, E. A. Simpson, Sarah J. Hanna
Publikováno v:
International Journal of Mass Spectrometry. 279:134-146
A laser based vacuum ultraviolet (VUV) light source using resonance enhanced four wave difference mixing in xenon gas was developed for near threshold ionization of organics in atmospheric aerosol particles. The source delivers high intensity pulses
Publikováno v:
Rapid Communications in Mass Spectrometry. 22:3549-3554
This technical note describes in detail the fabrication, operation and characterization of a pneumatically driven dopant introduction device, with a solvent reservoir capacity of 300 mL. Dopant flow rates and stability for this device are governed by
Autor:
Damon B. Robb, Michael W. Blades
Publikováno v:
Analytica Chimica Acta. 627:34-49
This review presents our perspective on the state-of-the-art of atmospheric pressure photoionization (APPI) for LC/MS. Its focus is on APPI's capabilities and how to utilize them fully. The introduction includes a brief recounting of the history of A
Autor:
Damon B. Robb, Michael W. Blades
Publikováno v:
Journal of the American Society for Mass Spectrometry. 16:1275-1290
In this paper, the effects of solvent flow, dopant flow, and lamp power on proton transfer ionization in dopant-assisted (DA) atmospheric pressure photoionization (APPI) are investigated. A broad theoretical framework is presented, describing the pri