Purnell W. Choppin

15.0k total citations · 3 hit papers
144 papers, 12.1k citations indexed

About

Purnell W. Choppin is a scholar working on Epidemiology, Genetics and Molecular Biology. According to data from OpenAlex, Purnell W. Choppin has authored 144 papers receiving a total of 12.1k indexed citations (citations by other indexed papers that have themselves been cited), including 108 papers in Epidemiology, 40 papers in Genetics and 35 papers in Molecular Biology. Recurrent topics in Purnell W. Choppin's work include Virology and Viral Diseases (53 papers), Influenza Virus Research Studies (47 papers) and Respiratory viral infections research (47 papers). Purnell W. Choppin is often cited by papers focused on Virology and Viral Diseases (53 papers), Influenza Virus Research Studies (47 papers) and Respiratory viral infections research (47 papers). Purnell W. Choppin collaborates with scholars based in United States, United Kingdom and Germany. Purnell W. Choppin's co-authors include Andreas Scheid, Robert A. Lamb, Richard W. Compans, Sondra G. Lazarowitz, Hans‐Dieter Klenk, Lawrence A. Caliguiri, Kathryn V. Holmes, William W. Hall, Christopher D. Richardson and Rob Lamb and has published in prestigious journals such as New England Journal of Medicine, Proceedings of the National Academy of Sciences and Journal of Biological Chemistry.

In The Last Decade

Purnell W. Choppin

143 papers receiving 10.6k 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.

Identification of biological activities of paramyxovirus glycoproteins. Activation of cell fusion, hemolysis, and infectivity by proteolytic cleavage of an inactive precursor protein of Sendai virus

1974 787 citations Andreas Scheid, Purnell W. Choppin Virology profile →
Enhancement of the infectivity of influenza A and B viruses by proteolytic cleavage of the hemagglutinin polypeptide

1975 494 citations Sondra G. Lazarowitz, Purnell W. Choppin Virology profile →
Two disulfide-linked polypeptide chains constitute the active F protein of paramyxoviruses

1977 318 citations Andreas Scheid, Purnell W. Choppin Virology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Purnell W. Choppin United States	65	8.3k	3.7k	3.0k	2.8k	1.7k	144	12.1k
R. Rott Germany	62	9.8k 1.2×	3.2k 0.8×	2.2k 0.7×	3.4k 1.2×	1.7k 1.0×	249	13.0k
John K. Rose United States	57	4.1k 0.5×	5.2k 1.4×	2.5k 0.8×	2.7k 0.9×	2.5k 1.5×	137	12.1k
Fred Rapp United States	46	4.9k 0.6×	1.9k 0.5×	2.8k 0.9×	1.4k 0.5×	1.2k 0.7×	362	8.3k
Wallace P. Rowe United States	68	3.5k 0.4×	6.6k 1.8×	9.7k 3.2×	3.7k 1.3×	4.3k 2.6×	228	17.5k
Michael M. C. Lai United States	65	4.1k 0.5×	3.5k 0.9×	1.5k 0.5×	3.8k 1.3×	1.5k 0.9×	174	12.2k
Henrik Garoff Sweden	54	2.3k 0.3×	3.2k 0.9×	1.5k 0.5×	3.7k 1.3×	1.2k 0.7×	130	9.2k
J K Rose United States	49	2.2k 0.3×	3.0k 0.8×	1.7k 0.6×	1.2k 0.4×	1.1k 0.6×	65	6.5k
W.G. Laver Australia	57	7.3k 0.9×	5.0k 1.3×	953 0.3×	1.4k 0.5×	1.6k 1.0×	145	11.2k
Stephen Oroszlan United States	59	2.1k 0.2×	4.5k 1.2×	2.3k 0.8×	3.4k 1.2×	2.9k 1.7×	197	11.2k
Gillian M. Air United States	52	5.8k 0.7×	6.0k 1.6×	1.1k 0.4×	1.4k 0.5×	2.3k 1.4×	156	11.9k

Countries citing papers authored by Purnell W. Choppin

Since Specialization

Citations

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

Fields of papers citing papers by Purnell W. Choppin

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Purnell W. Choppin. 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 Purnell W. Choppin. The network helps show where Purnell W. Choppin may publish in the future.

Co-authorship network of co-authors of Purnell W. Choppin

This figure shows the co-authorship network connecting the top 25 collaborators of Purnell W. Choppin. A scholar is included among the top collaborators of Purnell W. Choppin 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 Purnell W. Choppin. Purnell W. Choppin 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

Krah, Donatus & Purnell W. Choppin. (1988). Selective Inhibition of WSN Influenza Virus Haemolysis by Pea Lectin. Journal of General Virology. 69(3). 717–722. 1 indexed citations

Roos, David S. & Purnell W. Choppin. (1985). Biochemical studies on cell fusion. I. Lipid composition of fusion-resistant cells.. The Journal of Cell Biology. 101(4). 1578–1590. 43 indexed citations

Richardson, Christopher D. & Purnell W. Choppin. (1983). Oligopeptides that specifically inhibit membrane fusion by paramyxoviruses: Studies on the site of action. Virology. 131(2). 518–532. 136 indexed citations

Hsu, Ming‐Chu, Andreas Scheid, & Purnell W. Choppin. (1981). Activation of the Sendai virus fusion protein (f) involves a conformational change with exposure of a new hydrophobic region.. Journal of Biological Chemistry. 256(7). 3557–3563. 139 indexed citations

Lamb, Robert A. & Purnell W. Choppin. (1981). Identification of a second protein (M2) encoded by RNA segment 7 of influenza virus. Virology. 112(2). 729–737. 135 indexed citations

Richardson, Christopher D., Andreas Scheid, & Purnell W. Choppin. (1980). Specific inhibition of paramyxovirus and myxovirus replication by oligopeptides with amino acid sequences similar to those at the N-termini of the Fl or HA2 viral polypeptides. Virology. 105(1). 205–222. 285 indexed citations

Lamb, Rob & Purnell W. Choppin. (1979). Segment 8 of the influenza virus genome is unique in coding for two polypeptides.. Proceedings of the National Academy of Sciences. 76(10). 4908–4912. 134 indexed citations

McSharry, James J. & Purnell W. Choppin. (1978). Biological properties of the VSV glycoprotein I. Effects of the isolated glycoprotein on host macromolecular synthesis. Virology. 84(1). 172–182. 28 indexed citations

Scheid, Andreas & Purnell W. Choppin. (1977). Two disulfide-linked polypeptide chains constitute the active F protein of paramyxoviruses. Virology. 80(1). 54–66. 318 indexed citations breakdown →

10.

Choppin, Purnell W., et al.. (1977). A comparison of the polypeptides of four measles virus strains. Virology. 78(2). 463–474. 91 indexed citations

11.

Choppin, Purnell W., Edwin D. Kilbourne, Walter R. Dowdle, et al.. (1975). Genetics, Replication, and Inhibition of Replication of Influenza Virus--Summary of Influenza Workshop VII. The Journal of Infectious Diseases. 132(6). 713–723. 1 indexed citations

12.

Lazarowitz, Sondra G. & Purnell W. Choppin. (1975). Enhancement of the infectivity of influenza A and B viruses by proteolytic cleavage of the hemagglutinin polypeptide. Virology. 68(2). 440–454. 494 indexed citations breakdown →

13.

McSharry, James J., Richard W. Compans, & Purnell W. Choppin. (1972). PROTEINS OF VESICULAR STOMATITIS VIRUS (VSV) AND OF PHENOTYPICALLY-MIXED VSV-SV5 VIRIONS.. OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information). 2 indexed citations

14.

Choppin, Purnell W. & Kathryn V. Holmes. (1967). Replication of SV5 RNA and the effects of superinfection with poliovirus. Virology. 33(3). 442–451. 23 indexed citations

15.

Compans, Richard W., Donald H. Harter, & Purnell W. Choppin. (1967). STUDIES ON PNEUMONIA VIRUS OF MICE (PVM) IN CELL CULTURE. The Journal of Experimental Medicine. 126(2). 267–276. 38 indexed citations

16.

Holmes, Kathryn V. & Purnell W. Choppin. (1966). ON THE ROLE OF THE RESPONSE OF THE CELL MEMBRANE IN DETERMINING VIRUS VIRULENCE. The Journal of Experimental Medicine. 124(3). 501–520. 153 indexed citations

17.

Harter, Donald H. & Purnell W. Choppin. (1965). Adsorption of Attenuated and Neurovirulent Poliovirus Strains to Central Nervous System Tissues of Primates. The Journal of Immunology. 95(4). 730–736. 9 indexed citations

18.

Choppin, Purnell W.. (1962). Plaque formation by influenza A2 virus in monkey kidney cells. Virology. 18(2). 332–334. 23 indexed citations

19.

Choppin, Purnell W. & Lennart Philipson. (1961). THE INACTIVATION OF ENTEROVIRUS INFECTIVITY BY THE SULFHYDRYL REAGENT p-CHLOROMERCURIBENZOATE. The Journal of Experimental Medicine. 113(4). 713–734. 51 indexed citations

20.

Choppin, Purnell W. & Igor Tamm. (1960). STUDIES OF TWO KINDS OF VIRUS PARTICLES WHICH COMPRISE INFLUENZA A2 VIRUS STRAINS. The Journal of Experimental Medicine. 112(5). 921–944. 50 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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