R. Graham Cooks
Purdue University
765 Papers
10K Citations
R. Graham Cooks is an academic researcher from Purdue University. The author has contributed to research in topics: Mass spectrometry & Ion. The author has an hindex of 110, co-authored 736 publications. Previous affiliations of R. Graham Cooks include Sapienza University of Rome & University of Giessen.
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Papers
Ion trajectory simulations of axial ac dipolar excitation in the Orbitrap
TL;DR: Hu et al. as mentioned in this paper used the ITSIM 6.0 simulation program to simulate ac dipolar excitation of ion axial motion in the Orbitrap, which was applied to simulate the effects of ac amplitude, frequency, phase relative to ion motion and bandwidth of applied waveform.
Cylindrical ion trap array with mass selection by variation in trap dimensions
TL;DR: A mass spectrometer array is described in which each array element is a cylindrical ion trap within which an approximately quadrupolar, time-varying, field is established.
Online Inductive Electrospray Ionization Mass Spectrometry as a Process Analytical Technology Tool To Monitor the Synthetic Route to Anagliptin
TL;DR: In this article, a synthetic route to Anagliptin (target API) was successfully monitored using online inductive electrospray ionization (iESI)-MS.
Direct analysis of steviol glycosides from Stevia leaves by ambient ionization mass spectrometry performed on whole leaves
TL;DR: A comparison between leaf spray and other ambient ionization methods for screening glycosides in Stevia leaves--desorption electrospray ionization, low temperature plasma and paper spray-- shows that leaf spray produces the highest quality spectra.