J. Paul Speir

2.3k total citations · 1 hit paper
25 papers, 2.0k citations indexed

About

J. Paul Speir is a scholar working on Spectroscopy, Molecular Biology and Computational Mechanics. According to data from OpenAlex, J. Paul Speir has authored 25 papers receiving a total of 2.0k indexed citations (citations by other indexed papers that have themselves been cited), including 24 papers in Spectroscopy, 10 papers in Molecular Biology and 3 papers in Computational Mechanics. Recurrent topics in J. Paul Speir's work include Mass Spectrometry Techniques and Applications (23 papers), Analytical Chemistry and Chromatography (12 papers) and Advanced Proteomics Techniques and Applications (8 papers). J. Paul Speir is often cited by papers focused on Mass Spectrometry Techniques and Applications (23 papers), Analytical Chemistry and Chromatography (12 papers) and Advanced Proteomics Techniques and Applications (8 papers). J. Paul Speir collaborates with scholars based in United States, Canada and Germany. J. Paul Speir's 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 and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Journal of the American Chemical Society and Analytical Chemistry.

In The Last Decade

J. Paul Speir

25 papers receiving 1.9k citations

Hit Papers

align trajectories sort by overperformance

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 — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
J. Paul Speir United States	17	1.7k	826	347	173	172	25	2.0k
Anne E. Counterman United States	23	1.9k 1.1×	771 0.9×	288 0.8×	160 0.9×	155 0.9×	29	2.1k
John C. Jurchen United States	14	1.2k 0.7×	602 0.7×	367 1.1×	152 0.9×	74 0.4×	14	1.4k
Jeffery M. Brown United Kingdom	32	1.6k 0.9×	711 0.9×	300 0.9×	176 1.0×	163 0.9×	62	2.0k
Dieter Kirsch Germany	23	1.2k 0.7×	897 1.1×	316 0.9×	95 0.5×	67 0.4×	35	2.1k
T. Keough United States	27	1.5k 0.9×	921 1.1×	271 0.8×	269 1.6×	124 0.7×	64	2.2k
Stormy L. Koeniger United States	19	1.6k 0.9×	669 0.8×	284 0.8×	162 0.9×	72 0.4×	24	1.7k
Samuel I. Merenbloom United States	19	1.7k 1.0×	725 0.9×	314 0.9×	174 1.0×	91 0.5×	22	1.8k
Gary Kruppa United States	28	1.3k 0.8×	1.3k 1.6×	137 0.4×	212 1.2×	80 0.5×	63	2.3k
Mark A. Lewis United States	16	1.5k 0.9×	1.0k 1.2×	231 0.7×	88 0.5×	146 0.8×	20	2.3k
Jason Wildgoose United Kingdom	15	1.9k 1.1×	1.1k 1.3×	261 0.8×	199 1.2×	51 0.3×	18	2.3k

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

Torres, Matthew P., et al.. (2009). Top-Down Proteomics on a High-field Fourier Transform Ion Cyclotron Resonance Mass Spectrometer. Methods in molecular biology. 492. 215–231. 8 indexed citations

Kaplan, Desmond A., Ralf Hartmer, J. Paul Speir, et al.. (2008). Electron transfer dissociation in the hexapole collision cell of a hybrid quadrupole‐hexapole Fourier transform ion cyclotron resonance mass spectrometer. Rapid Communications in Mass Spectrometry. 22(3). 271–278. 49 indexed citations

Han, Jun, Ryan M. Danell, Jayanti R. Patel, et al.. (2008). Towards high-throughput metabolomics using ultrahigh-field Fourier transform ion cyclotron resonance mass spectrometry. Metabolomics. 4(2). 128–140. 114 indexed citations

Danell, Ryan M., et al.. (2008). Data self-recalibration and mixture mass fingerprint searching (DASER-MMF) to enhance protein identification within complex mixtures. Journal of the American Society for Mass Spectrometry. 19(12). 1914–1925. 3 indexed citations

Borchers, Christoph H., Roopa Thapar, Evgeniy V. Petrotchenko, et al.. (2006). Combined top-down and bottom-up proteomics identifies a phosphorylation site in stem–loop-binding proteins that contributes to high-affinity RNA binding. Proceedings of the National Academy of Sciences. 103(9). 3094–3099. 36 indexed citations

Robinson, Noah E., Kirsten J. Lampi, J. Paul Speir, et al.. (2006). Quantitative measurement of young human eye lens crystallins by direct injection Fourier transform ion cyclotron resonance mass spectrometry.. PubMed. 12. 704–11. 51 indexed citations

Craig, A. Grey, et al.. (2000). [M + Fe − 5H]²⁻ peptide ion composition verified by Fourier transform mass spectrometry accurate mass and tandem mass spectrometry analyses. Journal of the American Society for Mass Spectrometry. 11(1). 83–87. 2 indexed citations

Sannes‐Lowery, Kristin A., Richard H. Griffey, Gary Kruppa, J. Paul Speir, & Steven A. Hofstadler. (1998). Multipole storage assisted dissociation, a novel in-source dissociation technique for electrospray ionization generated ions. Rapid Communications in Mass Spectrometry. 12(23). 1957–1961. 84 indexed citations

O’Connor, Peter B., J. Paul Speir, Troy D. Wood, et al.. (1996). Broadband Quadrupolar Axialization of Large Multiply Charged Ions to Enhance Measurement and Minimize Conformational Restrictions. Journal of Mass Spectrometry. 31(5). 555–559. 8 indexed citations

10.

O’Connor, Peter B., J. Paul Speir, Michael W. Senko, Daniel P. Little, & Fred W. McLafferty. (1995). Tandem mass specatrometry of carbonic anhydrase (29 kDa). Journal of Mass Spectrometry. 30(1). 88–93. 46 indexed citations

11.

Speir, J. Paul & I. Jonathan Amster. (1995). An investigation of the energetics of peptide ion dissociation by laser desorption chemical ionization fourier transform mass spectrometry. Journal of the American Society for Mass Spectrometry. 6(11). 1069–1078. 28 indexed citations

12.

Speir, J. Paul, Michael W. Senko, Daniel P. Little, Joseph A. Loo, & Fred W. McLafferty. (1995). High‐resolution tandem mass spectra of 37‐67 kDa proteins. Journal of Mass Spectrometry. 30(1). 39–42. 78 indexed citations

13.

Little, Daniel P., J. Paul Speir, Michael W. Senko, Peter B. O’Connor, & Fred W. McLafferty. (1994). Infrared Multiphoton Dissociation of Large Multiply Charged Ions for Biomolecule Sequencing. Analytical Chemistry. 66(18). 2809–2815. 635 indexed citations breakdown →

14.

Senko, Michael W., J. Paul Speir, & Fred W. McLafferty. (1994). Collisional Activation of Large Multiply Charged Ions Using Fourier Transform Mass Spectrometry. Analytical Chemistry. 66(18). 2801–2808. 221 indexed citations

15.

Speir, J. Paul, et al.. (1993). Remeasurement of ions using quadrupolar excitation Fourier transform ion cyclotron resonance spectrometry. Analytical Chemistry. 65(13). 1746–1752. 110 indexed citations

16.

Speir, J. Paul, Greg Gorman, & I. Jonathan Amster. (1993). Fe⁺ chemical ionization of peptides. Journal of the American Society for Mass Spectrometry. 4(2). 106–110. 24 indexed citations

17.

Gorman, Greg, et al.. (1992). Proton affinities of the 20 common .alpha.-amino acids. Journal of the American Chemical Society. 114(10). 3986–3988. 166 indexed citations

18.

Speir, J. Paul & I. Jonathan Amster. (1992). Substrate-assisted laser desorption of neutral peptide molecules. Analytical Chemistry. 64(9). 1041–1045. 37 indexed citations

19.

Gorman, Gregory S., et al.. (1992). ChemInform Abstract: Proton Affinities of the 20 Common α‐Amino Acids.. ChemInform. 23(34). 12 indexed citations

20.

Speir, J. Paul, Greg Gorman, Dale S. Cornett, & I. Jonathan Amster. (1991). Controlling the dissociation of peptide ions using laser desorption/chemical ionization Fourier transform mass spectrometry. Analytical Chemistry. 63(1). 65–69. 23 indexed citations

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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