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pro vyhledávání: '"Stephen W. C. Walker"'
Autor:
Stephen W. C. Walker, Ahdia Anwar, Jarrod M. Psutka, Jeff Crouse, Chang Liu, J. C. Yves Le Blanc, Justin Montgomery, Gilles H. Goetz, John S. Janiszewski, J. Larry Campbell, W. Scott Hopkins
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-7 (2018)
The fast and accurate determination of molecular properties is particularly crucial in drug discovery. Here, the authors employ supervised machine learning to treat differential mobility spectrometry – mass spectrometry data for ten classes of drug
Externí odkaz:
https://doaj.org/article/e5545143641641f8afbe1987126bcf2f
Autor:
Stephen W. C. Walker, W. Scott Hopkins, J. Larry Campbell, Mircea Guna, Ce Zhou, Patrick J. J. Carr, Neville J. A. Coughlan
Publikováno v:
Journal of the American Society for Mass Spectrometry. 31(2)
We describe the modification of a commercially available tandem differential mobility mass spectrometer (DMS) that has been retrofitted to facilitate photodissociation (PD) of differential mobility-separated, mass-selected molecular ions. We first sh
Autor:
W. Scott Hopkins, Jarrod Psutka, Justin I. Montgomery, Chang Liu, Ahdia Anwar, J. C. Yves Le Blanc, Jeff Crouse, John S. Janiszewski, Gilles H. Goetz, Stephen W. C. Walker, J. Larry Campbell
Publikováno v:
Nature Communications, Vol 9, Iss 1, Pp 1-7 (2018)
Nature Communications
Nature Communications
The fast and accurate determination of molecular properties is highly desirable for many facets of chemical research, particularly in drug discovery where pre-clinical assays play an important role in paring down large sets of drug candidates. Here,
Autor:
John S. Janizewski, Jarrod Psutka, W. Scott Hopkins, J. Larry Campbell, Stephen W. C. Walker, Ahdia Anwar, Thorsten Dieckmann
Publikováno v:
International Journal of Mass Spectrometry. 429:174-181
The protonated nucleobases (C + H)+, (T + H)+, (U + H)+, (A + H)+, and (G + H)+ are investigated in a combined experimental and computational study using differential mobility spectrometry (DMS), mass spectrometry, and electronic structure calculatio
Autor:
Alison Mark, Bogdan Bogdanov, J. Larry Campbell, Stephen W. C. Walker, W. Scott Hopkins, Brent R. Verbuyst
Publikováno v:
The Journal of Physical Chemistry A. 122:3858-3865
The site of protonation for gas-phase aniline has been debated for many years, with many research groups contributing experimental and computational evidence for either the amino-protonated or the para-carbon-protonated tautomer as the gas-phase glob
Publikováno v:
Inorganic Chemistry. 50:7317-7323
Vanadium atoms have been reacted with different partial pressures of propene in Ar under matrix-isolation conditions, and the products have been observed using Fourier transform infrared (FTIR) spectroscopy. Under dilute propene in Ar conditions, new