John Powell

74.9k total citations · 2 hit papers
351 papers, 15.8k citations indexed

About

John Powell is a scholar working on Molecular Biology, Organic Chemistry and Physiology. According to data from OpenAlex, John Powell has authored 351 papers receiving a total of 15.8k indexed citations (citations by other indexed papers that have themselves been cited), including 82 papers in Molecular Biology, 69 papers in Organic Chemistry and 50 papers in Physiology. Recurrent topics in John Powell's work include Organometallic Complex Synthesis and Catalysis (51 papers), Alzheimer's disease research and treatments (38 papers) and Amyotrophic Lateral Sclerosis Research (23 papers). John Powell is often cited by papers focused on Organometallic Complex Synthesis and Catalysis (51 papers), Alzheimer's disease research and treatments (38 papers) and Amyotrophic Lateral Sclerosis Research (23 papers). John Powell collaborates with scholars based in United Kingdom, United States and Canada. John Powell's co-authors include A. David Smith, Simon Lovestone, Tamás F. Freund, Ammar Al‐Chalabi, Ian Craig, Robin Murray, Petroula Proitsi, Peter M. Andersen, J. Paul Bolam and Murray Enkin and has published in prestigious journals such as Proceedings of the National Academy of Sciences, The Lancet and Journal of the American Chemical Society.

In The Last Decade

John Powell

348 papers receiving 15.2k 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.

Tyrosine hydroxylase-immunoreactive boutons in synaptic contact with identified striatonigral neurons, with particular reference to dendritic spines

1984 682 citations John Powell et al. profile →
What Is eHealth (3): A Systematic Review of Published Definitions

2005 609 citations John Powell et al. profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
John Powell	4.3k	3.5k	2.5k	2.2k	1.7k	351	15.8k
Yasuyoshi Watanabe	5.1k 1.2×	2.9k 0.8×	2.3k 0.9×	1.0k 0.5×	788 0.5×	561	17.5k
Steven M. Paul	8.9k 2.1×	11.8k 3.4×	2.8k 1.1×	1.1k 0.5×	1.3k 0.8×	238	22.9k
Peter J. Whitehouse	2.9k 0.7×	3.0k 0.8×	4.2k 1.7×	1.7k 0.8×	778 0.5×	317	15.6k
William G. Johnson	3.2k 0.7×	4.2k 1.2×	3.0k 1.2×	6.7k 3.1×	798 0.5×	239	16.3k
Charles Kennedy	4.6k 1.1×	4.6k 1.3×	3.0k 1.2×	1.7k 0.8×	497 0.3×	180	16.7k
Eiji Shimizu	4.8k 1.1×	4.6k 1.3×	1.5k 0.6×	481 0.2×	772 0.4×	650	17.9k
Alan J. Fischman	2.6k 0.6×	2.9k 0.8×	1.7k 0.7×	1.5k 0.7×	457 0.3×	410	20.3k
Per Svenningsson	8.3k 1.9×	9.0k 2.5×	2.0k 0.8×	4.6k 2.1×	750 0.4×	453	20.2k
John A. Thompson	5.4k 1.3×	2.3k 0.7×	1.6k 0.7×	2.0k 0.9×	1.1k 0.7×	346	15.2k
Pietro Ghezzi	7.8k 1.8×	1.3k 0.4×	2.7k 1.1×	1.0k 0.5×	708 0.4×	410	25.2k

Countries citing papers authored by John Powell

Since Specialization

Citations

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

Fields of papers citing papers by John Powell

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of John Powell

This figure shows the co-authorship network connecting the top 25 collaborators of John Powell. A scholar is included among the top collaborators of John Powell 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 Powell. John Powell 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

Holder, Daniel, et al.. (2025). Combining additive and subtractive laser processing to produce small holes and narrow grooves of unlimited depth. Optics & Laser Technology. 192. 113443–113443. 1 indexed citations

Bass, Arthur L., Karia H. Kaukinen, Shaorong Li, et al.. (2024). Infectious agent release and Pacific salmon exposure at Atlantic salmon farms revealed by environmental DNA. Scientific Reports. 14(1). 31488–31488. 3 indexed citations

Haas, Michael, John Powell, Johannes Wahl, et al.. (2024). Reducing capillary depth fluctuations in high-speed laser welding of stainless steel using multi-core laser technology. Procedia CIRP. 124. 413–417. 1 indexed citations

Low, Karen, Peter S Blair, John Powell, et al.. (2024). Improving the care of children with GENetic Rare disease: Observational Cohort study (GenROC)—a study protocol. BMJ Open. 14(5). e085237–e085237. 4 indexed citations

Whybra, P., et al.. (2023). PO-1620 Transferability of deep learning models to the segmentation of gross tumour volume in brain cancer. Radiotherapy and Oncology. 182. S1315–S1316. 4 indexed citations

Gal, Pim, Jacobus Burggraaf, John Powell, et al.. (2020). A randomized controlled trial with a delayed‐type hypersensitivity model using keyhole limpet haemocyanin to evaluate adaptive immune responses in man. British Journal of Clinical Pharmacology. 87(4). 1953–1962. 11 indexed citations

Kim, Min, Alejo Nevado‐Holgado, Luke Whiley, et al.. (2016). Association between Plasma Ceramides and Phosphatidylcholines and Hippocampal Brain Volume in Late Onset Alzheimer’s Disease. Journal of Alzheimer s Disease. 60(3). 809–817. 73 indexed citations

Østergaard, Søren Dinesen, Shubhabrata Mukherjee, Stephen J. Sharp, et al.. (2015). Associations between Potentially Modifiable Risk Factors and Alzheimer Disease: A Mendelian Randomization Study. PLoS Medicine. 12(6). e1001841–e1001841. 138 indexed citations

Bassett, Michael, et al.. (2013). The Development of a Range Extender Electric Vehicle Demonstrator. SAE technical papers on CD-ROM/SAE technical paper series. 1. 18 indexed citations

10.

Hamilton, Gillian, Richard Killick, Jean‐Charles Lambert, et al.. (2012). Functional and genetic analysis of haplotypic sequence variation at the nicastrin genomic locus. Neurobiology of Aging. 33(8). 1848.e1–1848.e13. 4 indexed citations

11.

Velayudhan, Latha, Richard Killick, Abdul Hye, et al.. (2012). Plasma Transthyretin as a Candidate Marker for Alzheimer's Disease. Journal of Alzheimer s Disease. 28(2). 369–375. 77 indexed citations

12.

Powell, John, et al.. (2009). Vulnerability to depression: what is the role of stress genes in gene × environment interaction?. Psychological Medicine. 39(9). 1407–1411. 48 indexed citations

13.

Sims, Rebecca, Paul Hollingworth, Valentina Moskvina, et al.. (2009). Evidence that variation in the oligodendrocyte lineage transcription factor 2 (OLIG2) gene is associated with psychosis in Alzheimer's disease. Neuroscience Letters. 461(1). 54–59. 24 indexed citations

14.

Dent, Gordon, Chrystalleni Hadjicharalambous, Takahiro Yoshikawa, et al.. (2004). Contribution of Eotaxin-1 to Eosinophil Chemotactic Activity of Moderate and Severe Asthmatic Sputum. American Journal of Respiratory and Critical Care Medicine. 169(10). 1110–1117. 49 indexed citations

15.

Pickering, Alan D., et al.. (2004). Cognitive and psychological correlates of smoking abstinence, and predictors of successful cessation. Addictive Behaviors. 29(7). 1407–1426. 64 indexed citations

16.

Harold, Denise, T Peirce, Marian L. Hamshere, et al.. (2002). No association of polymorphisms in the chat locus with late-onset Alzheimer's disease. Neurobiology of Aging. 23(1). 1 indexed citations

17.

Martin, R. J., et al.. (2001). Phenotypic heterogeneity in a United Kingdom CADASIL prevalence study. Journal of Neurology Neurosurgery & Psychiatry. 70(2). 270–271. 1 indexed citations

18.

Simpson, Michael A., et al.. (2001). Screening of British CADASIL families for NOTCH 3 mutations. Journal of Medical Genetics. 38. 1 indexed citations

19.

Mungall, Andrew J., et al.. (2001). Physical mapping of a balanced translocation associated with psychosis. American Journal of Medical Genetics. 105(7). 562–562. 3 indexed citations

20.

Powell, John, et al.. (2001). Intron 7 retention and exon 9 skipping EAAT2 mRNA variants are not associated with amyotrophic lateral sclerosis. Annals of Neurology. 49(5). 643–649. 54 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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