Karin A. Stephenson

1.7k total citations · 1 hit paper
23 papers, 1.4k citations indexed

About

Karin A. Stephenson is a scholar working on Radiology, Nuclear Medicine and Imaging, Molecular Biology and Oncology. According to data from OpenAlex, Karin A. Stephenson has authored 23 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Radiology, Nuclear Medicine and Imaging, 9 papers in Molecular Biology and 9 papers in Oncology. Recurrent topics in Karin A. Stephenson's work include Radiopharmaceutical Chemistry and Applications (15 papers), Chemical Synthesis and Analysis (6 papers) and Medical Imaging Techniques and Applications (6 papers). Karin A. Stephenson is often cited by papers focused on Radiopharmaceutical Chemistry and Applications (15 papers), Chemical Synthesis and Analysis (6 papers) and Medical Imaging Techniques and Applications (6 papers). Karin A. Stephenson collaborates with scholars based in Canada, United States and Austria. Karin A. Stephenson's co-authors include John F. Valliant, Oyebola O. Sogbein, Paul Schaffer, Pierre Morel, Katharina J. Guenther, John W. Babich, Jon Zubieta, Sangeeta Ray Banerjee, Kevin Maresca and M.K. Levadala and has published in prestigious journals such as Journal of the American Chemical Society, Langmuir and Coordination Chemistry Reviews.

In The Last Decade

Karin A. Stephenson

22 papers receiving 1.4k citations

Hit Papers

The medicinal chemistry of carboranes 2002 2026 2010 2018 2002 100 200 300 400 500
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. The medicinal chemistry of carboranes
    2002 593 citations John F. Valliant, Katharina J. Guenther et al. Coordination Chemistry Reviews profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Karin A. Stephenson Canada 13 1.0k 371 308 288 287 23 1.4k
Patrick J. Riss Germany 21 682 0.7× 264 0.7× 204 0.7× 156 0.5× 317 1.1× 79 1.5k
David P. Nowotnik United States 21 818 0.8× 372 1.0× 428 1.4× 259 0.9× 447 1.6× 48 2.2k
Michael Haka United States 19 704 0.7× 159 0.4× 269 0.9× 186 0.6× 312 1.1× 32 1.8k
B. Johannsen Germany 28 1.4k 1.4× 452 1.2× 685 2.2× 247 0.9× 544 1.9× 141 2.4k
Dae Yoon South Korea 28 428 0.4× 841 2.3× 148 0.5× 209 0.7× 431 1.5× 58 1.9k
Peter Roselt Australia 25 980 1.0× 172 0.5× 541 1.8× 112 0.4× 362 1.3× 71 1.7k
Constantin Mamat Germany 22 597 0.6× 511 1.4× 200 0.6× 197 0.7× 388 1.4× 87 1.3k
Dae Yoon South Korea 25 527 0.5× 1.3k 3.5× 158 0.5× 235 0.8× 463 1.6× 90 2.6k
Ivan Greguric Australia 25 554 0.5× 553 1.5× 790 2.6× 184 0.6× 795 2.8× 71 2.0k
Karl Plöessl United States 24 742 0.7× 192 0.5× 249 0.8× 147 0.5× 601 2.1× 62 2.0k

Countries citing papers authored by Karin A. Stephenson

Since Specialization
Citations

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

Fields of papers citing papers by Karin A. Stephenson

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karin A. Stephenson. 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 Karin A. Stephenson. The network helps show where Karin A. Stephenson may publish in the future.

Co-authorship network of co-authors of Karin A. Stephenson

This figure shows the co-authorship network connecting the top 25 collaborators of Karin A. Stephenson. A scholar is included among the top collaborators of Karin A. Stephenson 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 Karin A. Stephenson. Karin A. Stephenson 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.
Archibald, Stephen J., et al.. (2024). Optimised production of technetium-94m for PET imaging by proton-irradiation of phosphomolybdic acid in cyclotron liquid target. Applied Radiation and Isotopes. 210. 111381–111381.
2.
Wu, Ting-Ting, Karin A. Stephenson, John Forbes, et al.. (2014). 125I-Labelled 2-Iodoestrone-3-sulfate: synthesis, characterization and OATP mediated transport studies in hormone dependent and independent breast cancer cells. Nuclear Medicine and Biology. 42(3). 274–282. 7 indexed citations
3.
Simms, Ryan, et al.. (2012). Emulsion Reactors: A New Technique for the Preparation of Molecular Imaging Probes. Chemistry - A European Journal. 18(22). 6746–6749. 5 indexed citations
4.
Stephenson, Karin A., Alan A. Wilson, Sylvain Houle, & Neil Vasdev. (2011). Synthesis and in vitro evaluation of derivatives of the β1-adrenergic receptor antagonist HX-CH 44. Bioorganic & Medicinal Chemistry Letters. 21(18). 5506–5509. 6 indexed citations
5.
Simms, Ryan, et al.. (2011). Droplet microreactors: A new platform for the preparation of radiopharmaceuticals. 52. 285–285. 1 indexed citations
6.
Simms, Ryan, et al.. (2011). Preparation of technetium‐99m bifunctional chelate complexes using a microfluidic reactor: a comparative study with conventional and microwave labeling methods. Journal of Labelled Compounds and Radiopharmaceuticals. 55(1). 18–22. 12 indexed citations
7.
Wilson, Alan A., Armando García, Jun Parkes, et al.. (2008). Radiosynthesis and initial evaluation of [18F]-FEPPA for PET imaging of peripheral benzodiazepine receptors. Nuclear Medicine and Biology. 35(3). 305–314. 143 indexed citations
8.
Wilson, Alan A., Karin A. Stephenson, David C. Mamo, et al.. (2008). An improved radiosynthesis of the muscarinic M2 radiopharmaceutical, [18F]FP-TZTP. Applied Radiation and Isotopes. 67(4). 611–616. 16 indexed citations
9.
Vasdev, Neil, Karin A. Stephenson, Andrei K. Yudin, et al.. (2008). [18F]Fluoroamines via ring-opening of N-Cbz-2-methylaziridine with [18F]-fluoride. Tetrahedron Letters. 50(5). 544–547. 16 indexed citations
10.
Stephenson, Karin A., Jon Zubieta, John W. Babich, et al.. (2008). Synthesis and Screening of a Library of Re/Tc-Based Amyloid Probes Derived from β-Breaker Peptides. Bioconjugate Chemistry. 19(5). 1087–1094. 24 indexed citations
11.
Stephenson, Karin A., et al.. (2006). 2-Arylbenzothiazole derivatives for beta-amyloid plaque imaging. 47. 1 indexed citations
12.
Stephenson, Karin A., Sangeeta Ray Banerjee, Nicole McFarlane, et al.. (2005). A convenient solid-phase synthesis methodology for preparing peptide-derived molecular imaging agents Synthesis, characterization, and in vitro screening of Tc(I) chemotactic peptide conjugates. Canadian Journal of Chemistry. 83(12). 2060–2066. 10 indexed citations
13.
14.
Banerjee, Sangeeta Ray, Kevin Maresca, Karin A. Stephenson, et al.. (2005). N,N-Bis(2-mercaptoethyl)methylamine:  A New Coligand for Tc-99m Labeling of Hydrazinonicotinamide Peptides. Bioconjugate Chemistry. 16(4). 885–902. 17 indexed citations
15.
Stephenson, Karin A., Sangeeta Ray Banerjee, Travis R. Besanger, et al.. (2004). Bridging the Gap between in Vitro and in Vivo Imaging:  Isostructural Re and 99m Tc Complexes for Correlating Fluorescence and Radioimaging Studies. Journal of the American Chemical Society. 126(28). 8598–8599. 167 indexed citations
16.
17.
Pelton, Robert, et al.. (2002). Colloidal Flocculation with Poly(ethylene oxide)/Polypeptide Complexes. Langmuir. 18(11). 4536–4538. 12 indexed citations
18.
Banerjee, Sangeeta Ray, Lihui Wei, M.K. Levadala, et al.. (2002). {ReIIICl3} Core Complexes with Bifunctional Single Amino Acid Chelates. Inorganic Chemistry. 41(22). 5795–5802. 18 indexed citations
19.
20.
Valliant, John F., Katharina J. Guenther, Pierre Morel, et al.. (2002). The medicinal chemistry of carboranes. Coordination Chemistry Reviews. 232(1-2). 173–230. 593 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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