John N. Louris

1.3k total citations · 1 hit paper
17 papers, 1.0k citations indexed

About

John N. Louris is a scholar working on Spectroscopy, Organic Chemistry and Analytical Chemistry. According to data from OpenAlex, John N. Louris has authored 17 papers receiving a total of 1.0k indexed citations (citations by other indexed papers that have themselves been cited), including 11 papers in Spectroscopy, 7 papers in Organic Chemistry and 5 papers in Analytical Chemistry. Recurrent topics in John N. Louris's work include Mass Spectrometry Techniques and Applications (9 papers), Synthesis and Reactivity of Sulfur-Containing Compounds (6 papers) and Analytical chemistry methods development (5 papers). John N. Louris is often cited by papers focused on Mass Spectrometry Techniques and Applications (9 papers), Synthesis and Reactivity of Sulfur-Containing Compounds (6 papers) and Analytical chemistry methods development (5 papers). John N. Louris collaborates with scholars based in United States. John N. Louris's co-authors include R. Graham Cooks, George C. Stafford, John F. J. Todd, John E. P. Syka, Jennifer S. Brodbelt, Thomas Y. Ridley, Gary J. Van Berkel, Jonathan W. Amy, Donald F. Hunt and Scott A. McLuckey and has published in prestigious journals such as Analytical Chemistry, The Journal of Organic Chemistry and Journal of Chromatography A.

In The Last Decade

John N. Louris

17 papers receiving 939 citations

Hit Papers

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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.

Instrumentation, applications, and energy deposition in quadrupole ion-trap tandem mass spectrometry

1987 406 citations John N. Louris, R. Graham Cooks et al. Analytical Chemistry profile →

Peers

Countries citing papers authored by John N. Louris

Since Specialization

Citations

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

Fields of papers citing papers by John N. Louris

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John N. Louris. 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 John N. Louris. The network helps show where John N. Louris may publish in the future.

Co-authorship network of co-authors of John N. Louris

This figure shows the co-authorship network connecting the top 25 collaborators of John N. Louris. A scholar is included among the top collaborators of John N. Louris 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 John N. Louris. John N. Louris is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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17 of 17 papers shown

#	Work	Indexed citations
1	ONE-BOND 13C-1H COUPLING CONSTANTS FOR SUBSTITUTED THIENO[2,3-b]- AND THIENO[3,2-b]PYRIDINES AND THEIR USE IN STRUCTURAL ASSIGNMENTS 1996 ·Heterocyclic Communications ·L. H. Klemm, John N. Louris	2
2	13C-NMR SPECTRAL DATA FOR SUBSTITUTED THIENO[2,3-b]- AND THIENO[3,2-b]PYRIDINES AND THE CORRELATION OF IPSO SUBSTITUENT CHEMICAL SHIFTS 1995 ·Heterocyclic Communications ·L. H. Klemm, John N. Louris	4
3	Chemistry of thienopyridines. XXXVIII. Diels‐Alder reactions of thienopyridine sulfones. Part 2 1990 ·Journal of Heterocyclic Chemistry ·L. H. Klemm, Sandip K. Sur, John N. Louris, (unknown), (unknown), (unknown)	1
4	Ion isolation and sequential stages of mass spectrometry in a quadrupole ion trap mass spectrometer 1990 ·International Journal of Mass Spectrometry and Ion Processes ·John N. Louris, J. Brodbelt-Lustig, R. Graham Cooks, Gary L. Glish, Gary J. Van Berkel, Scott A. McLuckey	133
5	Extending the mass range of the quadrupole ion trap using axial modulation 1989 ·Rapid Communications in Mass Spectrometry ·R. E. Kaiser, John N. Louris, Jonathan W. Amy, R. Graham Cooks, Donald F. Hunt	108
6	Injection of ions into a quadrupole ion trap mass spectrometer 1989 ·International Journal of Mass Spectrometry and Ion Processes ·John N. Louris, (unknown), Thomas Y. Ridley, R. Graham Cooks	108
7	The reaction intermediate spectrum. A new type of experiment in tandem mass spectrometry 1987 ·Organic Mass Spectrometry ·(unknown), (unknown), John N. Louris, R. Graham Cooks	19
8	Chemical ionization in an ion trap mass spectrometer 1987 ·Analytical Chemistry ·Jennifer S. Brodbelt, John N. Louris, R. Graham Cooks	82
9	Photodissociation in a quadrupole ion trap mass spectrometer using a fiber optic interface 1987 ·International Journal of Mass Spectrometry and Ion Processes ·John N. Louris, Jennifer S. Brodbelt, R. Graham Cooks	47
10	Instrumentation, applications, and energy deposition in quadrupole ion-trap tandem mass spectrometry breakdown → 1987 ·Analytical Chemistry ·John N. Louris, R. Graham Cooks, John E. P. Syka, (unknown), George C. Stafford, John F. J. Todd	406
11	New scan modes accessed with a hybrid mass spectrometer 1985 ·Analytical Chemistry ·John N. Louris, (unknown), R. Graham Cooks, Alan Schoen	69
12	Chemistry of thienopyridines. XXXIII. Synthetic routes to 5‐ and 7‐substituted thieno[3,2‐b]pyridines from the N‐oxide 1985 ·Journal of Heterocyclic Chemistry ·L. H. Klemm, John N. Louris, (unknown), (unknown), (unknown)	10
13	Chemistry of thienopyridines. XXXII. Direct introduction of C‐substituents gamma to the heteronitrogen atom in the thieno[2,3‐b]pyridine system 1984 ·Journal of Heterocyclic Chemistry ·L. H. Klemm, (unknown), John N. Louris	8
14	Chemistry of thienopyridines. XXXI. A new synthesis of thieno[3,2‐b]pyridine and studies on direct substitution into its thiophene ring 1984 ·Journal of Heterocyclic Chemistry ·L. H. Klemm, John N. Louris	13
15	Syntheses and structural studies in the 4-phenylbenz[g]indolin-2-one system 1983 ·The Journal of Organic Chemistry ·L. H. Klemm, (unknown), John N. Louris	6
16	Thin-layer and gas chromatography of some fluorobiphenyls and fluoronaphthalenes 1983 ·Journal of Chromatography A ·L. H. Klemm, John N. Louris, (unknown)	1
17	Chemistry of thienopyridines. XXVIII. Mass spectra of fourteen substituted thienopyridines and nmr spectra of four picrates 1981 ·Journal of Heterocyclic Chemistry ·L. H. Klemm, J. Shabtai, (unknown), John N. Louris	3

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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