R E Canfield

4.3k total citations · 2 hit papers
49 papers, 3.4k citations indexed

About

R E Canfield is a scholar working on Molecular Biology, Pulmonary and Respiratory Medicine and Reproductive Medicine. According to data from OpenAlex, R E Canfield has authored 49 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 18 papers in Molecular Biology, 16 papers in Pulmonary and Respiratory Medicine and 14 papers in Reproductive Medicine. Recurrent topics in R E Canfield's work include Hypothalamic control of reproductive hormones (13 papers), Blood properties and coagulation (7 papers) and DNA and Nucleic Acid Chemistry (7 papers). R E Canfield is often cited by papers focused on Hypothalamic control of reproductive hormones (13 papers), Blood properties and coagulation (7 papers) and DNA and Nucleic Acid Chemistry (7 papers). R E Canfield collaborates with scholars based in United States, United Kingdom and Switzerland. R E Canfield's co-authors include Steven Birken, Francis J. Morgan, H. L. Nossel, V P Butler, Joyce W. Lustbader, D. C. Harris, Neil W. Isaacs, K.J. Machin, Allison Littlejohn and Adrian J. Lapthorn and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Journal of Biological Chemistry.

In The Last Decade

R E Canfield

49 papers receiving 3.1k citations

Hit Papers

Crystal structure of human chorionic gonadotropin 1974 2026 1991 2008 1994 1974 200 400 600
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.

  1. Crystal structure of human chorionic gonadotropin
    1994 742 citations Adrian J. Lapthorn, D. C. Harris et al. Nature profile →
  2. Measurement of Fibrinopeptide A in Human Blood
    1974 468 citations H. L. Nossel, I. Yudelman et al. Journal of Clinical Investigation profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
R E Canfield United States 29 1.2k 934 565 521 490 49 3.4k
Torsten Wahlström Finland 43 1.4k 1.2× 1.1k 1.2× 479 0.8× 686 1.3× 1.0k 2.1× 158 5.5k
H. Bohn Germany 38 1.6k 1.3× 696 0.7× 723 1.3× 717 1.4× 1.6k 3.2× 200 5.3k
Åke Lundwall Sweden 39 1.5k 1.3× 816 0.9× 1.2k 2.0× 263 0.5× 813 1.7× 100 5.0k
Steven Birken United States 38 1.8k 1.5× 1.3k 1.4× 202 0.4× 1.1k 2.1× 723 1.5× 100 4.3k
P M Starkey United Kingdom 31 1.1k 0.9× 679 0.7× 378 0.7× 584 1.1× 2.1k 4.2× 56 4.5k
John B. Graham United States 32 1.6k 1.3× 222 0.2× 782 1.4× 147 0.3× 422 0.9× 162 5.1k
Isao Miyakawa Japan 32 1.3k 1.1× 770 0.8× 269 0.5× 473 0.9× 808 1.6× 170 3.5k
Philip A. Pemberton United States 31 1.6k 1.3× 213 0.2× 224 0.4× 300 0.6× 548 1.1× 61 4.2k
Marc Delpech France 34 2.8k 2.3× 385 0.4× 198 0.4× 261 0.5× 1.2k 2.5× 125 4.2k
Sidney Shulman United States 27 423 0.4× 480 0.5× 451 0.8× 207 0.4× 201 0.4× 114 2.2k

Countries citing papers authored by R E Canfield

Since Specialization
Citations

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

Fields of papers citing papers by R E Canfield

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R E Canfield. 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 E Canfield. The network helps show where R E Canfield may publish in the future.

Co-authorship network of co-authors of R E Canfield

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

All Works

20 of 20 papers shown
1.
O’Connor, John F., Galina Kovalevskaya, Steven Birken, et al.. (1998). The expression of the urinary forms of human luteinizing hormone beta fragment in various populations as assessed by a specific immunoradiometric assay. Human Reproduction. 13(4). 826–835. 22 indexed citations
2.
3.
Lustbader, Joyce W., Susan Pollak, Leslie Lobel, et al.. (1996). Three-dimensional structures of gonadotropins. Molecular and Cellular Endocrinology. 125(1-2). 21–31. 7 indexed citations
4.
Kovalevskaya, Galina, et al.. (1995). HLH beta core fragment immunoreactivity in the urine of ovulating women: a sensitive and specific immunometric assay for its detection. Endocrine. 3(12). 881–887. 12 indexed citations
5.
Lapthorn, Adrian J., D. C. Harris, Allison Littlejohn, et al.. (1994). Crystal structure of human chorionic gonadotropin. Nature. 369(6480). 455–461. 742 indexed citations breakdown →
6.
Canfield, R E, John F. O’Connor, Steven Birken, Alexander Krichevsky, & Allen J. Wilcox. (1987). Development of an assay for a biomarker of pregnancy and early fetal loss.. Environmental Health Perspectives. 74. 57–66. 36 indexed citations
7.
Wilcox, Allen J., Donna D. Baird, Clarice R. Weinberg, et al.. (1987). The use of biochemical assays in epidemiologic studies of reproduction.. Environmental Health Perspectives. 75. 29–35. 39 indexed citations
8.
Lustbader, Joyce W., Steven Birken, Susan Pollak, et al.. (1987). Characterization of the expression products of recombinant human choriogonadotropin and subunits.. Journal of Biological Chemistry. 262(29). 14204–14212. 48 indexed citations
9.
Amr, Sania, et al.. (1985). Carboxyterminal peptide fragments of the beta subunit are urinary products of the metabolism of desialylated human choriogonadotropin.. Journal of Clinical Investigation. 76(1). 350–356. 12 indexed citations
10.
Armstrong, Eileen, Paul H. Ehrlich, Steven Birken, et al.. (1984). Use of a Highly Sensitive and Specific Immunoradiometric Assay for Detection of Human Chorionic Gonadotropin in Urine of Normal, Nonpregnaiit, and Pregnant Individuals*. The Journal of Clinical Endocrinology & Metabolism. 59(5). 867–874. 88 indexed citations
11.
Birken, Steven, et al.. (1984). Preparation and Characterization of NH2-Terminal Fibrinogen Bβ Fragments from N-DSK of Human Fibrinogen. Thrombosis and Haemostasis. 51(1). 16–21. 2 indexed citations
12.
Morse, Jane H., Paul H. Ehrlich, & R E Canfield. (1982). Extracts of pregnancy urine contain a mitogen for human peripheral blood lymphocytes (PBL).. The Journal of Immunology. 128(5). 2187–2193. 10 indexed citations
13.
Ehrlich, Paul H., William R. Moyle, Zeinab A. Moustafa, & R E Canfield. (1982). Mixing two monoclonal antibodies yields enhanced affinity for antigen.. The Journal of Immunology. 128(6). 2709–2713. 133 indexed citations
14.
15.
Birken, Steven, Jacqueline D. Fetherston, R E Canfield, & Irving Boime. (1981). The amino acid sequences of the prepeptides contained in the alpha and beta subunits of human choriogonadotropin.. Journal of Biological Chemistry. 256(4). 1816–1823. 17 indexed citations
16.
Siris, Ethel S., T P Jacobs, & R E Canfield. (1980). Paget's disease of bone.. PubMed. 56(3). 285–304. 15 indexed citations
17.
18.
Canfield, R E, William Rosner, John E. McWhorter, et al.. (1977). Diphosphonate Therapy of Paget's Disease of Bone. The Journal of Clinical Endocrinology & Metabolism. 44(1). 96–106. 127 indexed citations
19.
Morgan, Francis J., Steven Birken, & R E Canfield. (1975). The amino acid sequence of human chorionic gonadotropin. The alpha subunit and beta subunit.. Journal of Biological Chemistry. 250(13). 5247–5258. 234 indexed citations
20.
Nossel, H. L., I. Yudelman, R E Canfield, et al.. (1974). Measurement of Fibrinopeptide A in Human Blood. Journal of Clinical Investigation. 54(1). 43–53. 468 indexed citations breakdown →

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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