R. N. Stillwell

3.1k citations

37 papers · 2.4k indexed · 1 hit paper · h-index 24

Co-authors: E. C. Horning D. I. Carroll I. Džidić M. G. Horning Klaus D. Haegele James A. McCloskey J. Nowlin G. H. Draffan
Topics: Analytical Chemistry and Chromatography (22 papers)Mass Spectrometry Techniques and Applications (22 papers)Advanced Chemical Sensor Technologies (7 papers)
Cited by: Spectroscopy Analytical Chemistry Bioengineering
Journals: Journal of the American Chemical Society Analytical Chemistry Analytical Biochemistry
Partner nations: United States

In The Last Decade

R. N. Stillwell

35 papers receiving 1.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

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

1973 394 citations E. C. Horning, M. G. Horning et al. Analytical Chemistry profile →

Peers

Countries citing papers authored by R. N. Stillwell

Since Specialization

Citations

This map shows the geographic impact of R. N. Stillwell's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by R. N. Stillwell with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites R. N. Stillwell more than expected).

Fields of papers citing papers by R. N. Stillwell

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R. N. Stillwell. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by R. N. Stillwell. The network helps show where R. N. Stillwell may publish in the future.

Co-authorship network of co-authors of R. N. Stillwell

This figure shows the co-authorship network connecting the top 25 collaborators of R. N. Stillwell. A scholar is included among the top collaborators of R. N. Stillwell based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with R. N. Stillwell. R. N. Stillwell is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Alteration of transit time and direction of flow to probe the heterogeneous distribution of conjugating activities for harmol in the perfused rat liver preparation. 1985 ·Journal of Pharmacology and Experimental Therapeutics ·Janet R. Dawson,(unknown),G J Mulder,R. N. Stillwell,K. Sandy Pang	21
2	Normal and retrograde perfusion to probe the zonal distribution of sulfation and glucuronidation activities of harmol in the perfused rat liver preparation. 1983 ·Journal of Pharmacology and Experimental Therapeutics ·K. Sandy Pang,Henk Koster,(unknown),Egbert Scholtens,G J Mulder,R. N. Stillwell	58
3	Atmospheric Pressure Ionization Mass Spectrometry 1981 ·Applied Spectroscopy Reviews ·D. I. Carroll,I. Džidić,E. C. Horning,R. N. Stillwell	122
4	Plasma Desorption Ionization Mass Spectra of Unconjugated Human Steroids 1979 ·Analytical Letters ·J. Nowlin,D. I. Carroll,I. Džidić,M. G. Horning,R. N. Stillwell,E. C. Horning	4
5	Plasma desorption ionization mass spectrometry — an introduction for pharmacologists 1979 ·Trends in Pharmacological Sciences ·E. C. Horning,J.R. Mitchell,M. G. Horning,W.G. Stillwell,R. N. Stillwell,J. Nowlin,D. I. Carroll	2
6	Development and use of analytical systems based on mass spectrometry. 1977 ·Clinical Chemistry ·E. C. Horning,D. I. Carroll,I. Džidić,Klaus D. Haegele,(unknown),(unknown),R. N. Stillwell	31
7	The use of gas chromatographic-mass spectrometric-computer systems in pharmacokinetic studies 1975 ·Journal of Chromatography A ·M. G. Horning,J. Nowlin,M. Stafford,K. Lertratanangkoon,Kathleen Sommer,Reba M. Hill,R. N. Stillwell	8
8	Identification of positive reactant ions observed for nitrogen carrier gas in plasma chromatograph mobility studies 1975 ·Analytical Chemistry ·D. I. Carroll,I. Džidić,R. N. Stillwell,E. C. Horning	65
9	Atmospheric pressure ionization mass spectrometry. Corona discharge ion source for use in a liquid chromatograph-mass spectrometer-computer analytical system 1975 ·Analytical Chemistry ·D. I. Carroll,I. Džidić,R. N. Stillwell,Klaus D. Haegele,E. C. Horning	265
10	Liquid chromatograph—mass spectrometer—computer analytical systems 1974 ·Journal of Chromatography A ·E. C. Horning,D. I. Carroll,I. Džidić,Klaus D. Haegele,M. G. Horning,R. N. Stillwell	124
11	The use of stable isotopes in gas chromatography—mass spectrometric studies of drug metabolism 1974 ·Journal of Chromatography A ·M. G. Horning,W.G. Stillwell,J. Nowlin,K. Lertratanangkoon,D. I. Carroll,I. Džidić,R. N. Stillwell,E. C. Horning,Reba M. Hill	26
12	Atmospheric Pressure Ionization (API) Mass Spectrometry. Solvent-Mediated Ionization of Samples Introduced in Solution and in a Liquid Chromatograph Effluent Stream 1974 ·Journal of Chromatographic Science ·E. C. Horning,D. I. Carroll,I. Džidić,Klaus D. Haegele,M. G. Horning,R. N. Stillwell	121
13	Use of Stable Isotopes in Measuring Low Concentrations of Drugs and Drug Metabolites by GC—MS—COM Procedures 1973 ·Clinical Chemistry ·M. G. Horning,J. Nowlin,K. Lertratanangkoon,R. N. Stillwell,W.G. Stillwell,Reba M. Hill	30
14	New picogram detection system based on a mass spectrometer with an external ionization source at atmospheric pressurebreakdown → 1973 ·Analytical Chemistry ·E. C. Horning,M. G. Horning,D. I. Carroll,I. Džidić,R. N. Stillwell	394
15	Mass spectrometry of 7-methylpurine nucleosides: Studies of a characteristic oxygen incorporation reaction that occurs during trimethylsilylation 1972 ·Analytical Biochemistry ·David L. Von Minden,R. N. Stillwell,W. A. Koenig,(unknown),James A. McCloskey	28
16	Characterization of metabolites of steroid contraceptives by gas chromatography and mass spectrometry 1972 ·Journal of Steroid Biochemistry ·W.G. Stillwell,E. C. Horning,M. G. Horning,R. N. Stillwell,A. Zlatkis	20
17	Mass spectrometry of nucleic acid components. Trimethylsilyl derivatives of nucleotides, nucleosides, and bases 1968 ·Journal of the American Chemical Society ·James A. McCloskey,A. M. Lawson,Kotaro Tsuboyama,(unknown),R. N. Stillwell	133
18	Electron impact‐induced rearrangement of trimethylsilyl groups in long chain compounds 1968 ·Organic Mass Spectrometry ·G. H. Draffan,R. N. Stillwell,James A. McCloskey	86
19	A Semiautomatic Device for Measuring and Drawing Mass Spectra. 1966 ·Analytical Chemistry ·R. N. Stillwell	1
20	Gas chromatographic behavior of methanesulfonates and p-toluenesulfonates of sterols 1965 ·Journal of Chromatography A ·W.J.A. Vandenheuvel,R. N. Stillwell,W.L. Gardiner,S. A. Wikström,E. C. Horning	8

About R. N. Stillwell

R. N. Stillwell is a scholar working on Spectroscopy, Analytical Chemistry and Pharmaceutical Science, having authored 37 papers that have together received 2.4k indexed citations. Recurring topics across this work include Analytical Chemistry and Chromatography (22 papers), Mass Spectrometry Techniques and Applications (22 papers) and Advanced Chemical Sensor Technologies (7 papers). The work is most often cited by research in Spectroscopy (1.8k citations), Analytical Chemistry (516 citations) and Bioengineering (71 citations). R. N. Stillwell has collaborated with scholars based in United States. Frequent co-authors include E. C. Horning, D. I. Carroll, I. Džidić, M. G. Horning, Klaus D. Haegele, James A. McCloskey, J. Nowlin, G. H. Draffan, A. M. Lawson and Kotaro Tsuboyama. Their work appears in journals such as Journal of the American Chemical Society, Analytical Chemistry and Analytical Biochemistry.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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