J. Paul Speir

2.3k citations

25 papers · 2.0k indexed · 1 hit paper · h-index 17

Spectroscopy top 0.5%
Molecular Biology top 10%
Computational Mechanics top 5%
Biomedical Engineering
Atomic and Molecular Physics, and Optics top 10%

Co-authors: Fred W. McLafferty Michael W. Senko Daniel P. Little Peter B. O’Connor I. Jonathan Amster Greg Gorman Gary Kruppa Russell Chorush
Topics: Mass Spectrometry Techniques and Applications (23 papers)Analytical Chemistry and Chromatography (12 papers)Advanced Proteomics Techniques and Applications (8 papers)
Cited by: Spectroscopy Computational Mechanics Molecular Biology
Journals: Proceedings of the National Academy of Sciences Journal of the American Chemical Society Analytical Chemistry
Partner nations: United States Canada Germany

In The Last Decade

J. Paul Speir

25 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.

Infrared Multiphoton Dissociation of Large Multiply Charged Ions for Biomolecule Sequencing

1994 635 citations Daniel P. Little, J. Paul Speir et al. Analytical Chemistry profile →

Peers

Countries citing papers authored by J. Paul Speir

Since Specialization

Citations

This map shows the geographic impact of J. Paul Speir'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 J. Paul Speir with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J. Paul Speir more than expected).

Fields of papers citing papers by J. Paul Speir

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. Paul Speir. 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 J. Paul Speir. The network helps show where J. Paul Speir may publish in the future.

Co-authorship network of co-authors of J. Paul Speir

This figure shows the co-authorship network connecting the top 25 collaborators of J. Paul Speir. A scholar is included among the top collaborators of J. Paul Speir 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 J. Paul Speir. J. Paul Speir 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	Top-Down Proteomics on a High-field Fourier Transform Ion Cyclotron Resonance Mass Spectrometer 2009 ·Methods in molecular biology ·(unknown),Matthew P. Torres,Craig A. Gelfand,(unknown),Michael L. Easterling,J. Paul Speir,Christoph H. Borchers	8
2	Electron transfer dissociation in the hexapole collision cell of a hybrid quadrupole‐hexapole Fourier transform ion cyclotron resonance mass spectrometer 2008 ·Rapid Communications in Mass Spectrometry ·Desmond A. Kaplan,Ralf Hartmer,J. Paul Speir,Carsten Stoermer,Dmitry R. Gumerov,Michael L. Easterling,(unknown),Taeman Kim,Frank H. Laukien,Melvin A. Park	49
3	Towards high-throughput metabolomics using ultrahigh-field Fourier transform ion cyclotron resonance mass spectrometry 2008 ·Metabolomics ·Jun Han,Ryan M. Danell,Jayanti R. Patel,Dmitry R. Gumerov,Cameron O. Scarlett,J. Paul Speir,Carol E. Parker,Ivan Rusyn,Steven H. Zeisel,Christoph H. Borchers	114
4	Data self-recalibration and mixture mass fingerprint searching (DASER-MMF) to enhance protein identification within complex mixtures 2008 ·Journal of the American Society for Mass Spectrometry ·Ryan M. Danell,(unknown),Cameron O. Scarlett,J. Paul Speir,Christoph H. Borchers	3
5	Combined top-down and bottom-up proteomics identifies a phosphorylation site in stem–loop-binding proteins that contributes to high-affinity RNA binding 2006 ·Proceedings of the National Academy of Sciences ·Christoph H. Borchers,Roopa Thapar,Evgeniy V. Petrotchenko,Matthew P. Torres,J. Paul Speir,Michael L. Easterling,Zbigniew Domiński,William F. Marzluff	36
6	[M + Fe − 5H]²⁻ peptide ion composition verified by Fourier transform mass spectrometry accurate mass and tandem mass spectrometry analyses 2000 ·Journal of the American Society for Mass Spectrometry ·A. Grey Craig,J. Paul Speir,(unknown),(unknown),(unknown)	2
7	Fast, generic gradient high performance liquid chromatography coupled to Fourier transform ion cyclotron resonance mass spectrometry for the accurate mass analysis of mixtures 2000 ·Rapid Communications in Mass Spectrometry ·J. Paul Speir,(unknown),Christian Berg,Frank S. Pullen	8
8	Multipole storage assisted dissociation, a novel in-source dissociation technique for electrospray ionization generated ions 1998 ·Rapid Communications in Mass Spectrometry ·Kristin A. Sannes‐Lowery,Richard H. Griffey,Gary Kruppa,J. Paul Speir,Steven A. Hofstadler	84
9	Broadband Quadrupolar Axialization of Large Multiply Charged Ions to Enhance Measurement and Minimize Conformational Restrictions 1996 ·Journal of Mass Spectrometry ·Peter B. O’Connor,J. Paul Speir,Troy D. Wood,Russell Chorush,Ziqiang Guan,Fred W. McLafferty	8
10	An investigation of the energetics of peptide ion dissociation by laser desorption chemical ionization fourier transform mass spectrometry 1995 ·Journal of the American Society for Mass Spectrometry ·J. Paul Speir,I. Jonathan Amster	28
11	Tandem mass specatrometry of carbonic anhydrase (29 kDa) 1995 ·Journal of Mass Spectrometry ·Peter B. O’Connor,J. Paul Speir,Michael W. Senko,Daniel P. Little,Fred W. McLafferty	46
12	High‐resolution tandem mass spectra of 37‐67 kDa proteins 1995 ·Journal of Mass Spectrometry ·J. Paul Speir,Michael W. Senko,Daniel P. Little,Joseph A. Loo,Fred W. McLafferty	78
13	Collisional Activation of Large Multiply Charged Ions Using Fourier Transform Mass Spectrometry 1994 ·Analytical Chemistry ·Michael W. Senko,J. Paul Speir,Fred W. McLafferty	221
14	Infrared Multiphoton Dissociation of Large Multiply Charged Ions for Biomolecule Sequencingbreakdown → 1994 ·Analytical Chemistry ·Daniel P. Little,J. Paul Speir,Michael W. Senko,Peter B. O’Connor,Fred W. McLafferty	635
15	Remeasurement of ions using quadrupolar excitation Fourier transform ion cyclotron resonance spectrometry 1993 ·Analytical Chemistry ·J. Paul Speir,Greg Gorman,(unknown),(unknown),(unknown),I. Jonathan Amster	110
16	Fe⁺ chemical ionization of peptides 1993 ·Journal of the American Society for Mass Spectrometry ·J. Paul Speir,Greg Gorman,I. Jonathan Amster	24
17	Substrate-assisted laser desorption of neutral peptide molecules 1992 ·Analytical Chemistry ·J. Paul Speir,I. Jonathan Amster	37
18	ChemInform Abstract: Proton Affinities of the 20 Common α‐Amino Acids. 1992 ·ChemInform ·Gregory S. Gorman,J. Paul Speir,(unknown),I. Jonathan Amster	12
19	Proton affinities of the 20 common .alpha.-amino acids 1992 ·Journal of the American Chemical Society ·Greg Gorman,J. Paul Speir,(unknown),I. Jonathan Amster	166
20	Controlling the dissociation of peptide ions using laser desorption/chemical ionization Fourier transform mass spectrometry 1991 ·Analytical Chemistry ·J. Paul Speir,Greg Gorman,Dale S. Cornett,I. Jonathan Amster	23

About J. Paul Speir

J. Paul Speir is a scholar working on Spectroscopy, Bioengineering and Computational Mechanics, having authored 25 papers that have together received 2.0k indexed citations. Recurring topics across this work include Mass Spectrometry Techniques and Applications (23 papers), Analytical Chemistry and Chromatography (12 papers) and Advanced Proteomics Techniques and Applications (8 papers). The work is most often cited by research in Spectroscopy (1.7k citations), Computational Mechanics (347 citations) and Molecular Biology (826 citations). J. Paul Speir has collaborated with scholars based in United States, Canada and Germany. Frequent co-authors include Fred W. McLafferty, Michael W. Senko, Daniel P. Little, Peter B. O’Connor, I. Jonathan Amster, Greg Gorman, Gary Kruppa, Russell Chorush, Neil L. Kelleher and Christoph H. Borchers. Their work appears in journals such as Proceedings of the National Academy of Sciences, Journal of the American Chemical Society and Analytical Chemistry.

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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