R. N. Stillwell

New picogram detection system based on a mass spectrometer with an external ionization source at atmospheric pressure

E. C. Horning, M. G. Horning, D. I. Carroll et al. · Analytical Chemistry · 1973 · 542 citations

Mass Spectrometer, Atmospheric Pressure, Biological Mass Spectrometry +17

Atmospheric pressure ionization mass spectrometry. Corona discharge ion source for use in a liquid chromatograph-mass spectrometer-computer analytical system

D. I. Carroll, I. Džidić, R. N. Stillwell et al. · Analytical Chemistry · 1975 · 384 citations

Engineering, Analytical Instrumentation, Gas Chromatography +14

Atmospheric Pressure Ionization (API) Mass Spectrometry. Solvent-Mediated Ionization of Samples Introduced in Solution and in a Liquid Chromatograph Effluent Stream

E. C. Horning, D. I. Carroll, I. Džidić et al. · Journal of Chromatographic Science · 1974 · 201 citations

Clinical Mass Spectrometry, Biological Mass Spectrometry, Ion Mobility Spectrometry +22

Subpicogram detection system for gas phase analysis based upon atmospheric pressure ionization (API) mass spectrometry

D. I. Carroll, I. Džidić, R. N. Stillwell et al. · Analytical Chemistry · 1974 · 194 citations

Engineering, Biological Mass Spectrometry, Atmospheric Pressure Ionization +16

Comparison of positive ions formed in nickel-63 and corona discharge ion sources using nitrogen, argon, isobutane, ammonia and nitric oxide as reagents in atmospheric pressure ionization mass spectrometry

I. Džidić, D. I. Carroll, R. N. Stillwell et al. · Analytical Chemistry · 1976 · 182 citations

Chemical Engineering, Engineering, Accelerator Mass Spectrometry +12