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

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 →

Peers

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

#	Work	Indexed citations
1	Combining additive and subtractive laser processing to produce small holes and narrow grooves of unlimited depth 2025 ·Optics & Laser Technology ·(unknown), (unknown), Daniel Holder, Christian Hagenlocher, Volkher Onuseit, John Powell, Thomas Graf	1
2	Reducing capillary depth fluctuations in high-speed laser welding of stainless steel using multi-core laser technology 2024 ·Procedia CIRP ·(unknown), Michael Haas, John Powell, Johannes Wahl, (unknown), Klaus Schricker, Jean Pierre Bergmann, Marc Hummel, Christoph Spurk, Alexander Olowinsky, Felix Beckmann, Julian Moosmann, Christian Hagenlocher, Thomas Graf	1
3	Infectious agent release and Pacific salmon exposure at Atlantic salmon farms revealed by environmental DNA 2024 ·Scientific Reports ·Arthur L. Bass, (unknown), Karia H. Kaukinen, Shaorong Li, (unknown), John Powell, Victoria Isaac, (unknown), Andrew W. Bateman, Kristina M. Miller	3
4	Improving the care of children with GENetic Rare disease: Observational Cohort study (GenROC)—a study protocol 2024 ·BMJ Open ·Karen Low, (unknown), Peter S Blair, (unknown), John Powell, Sarah Wynn, Julia Foreman, Helen V. Firth, Jenny Ingram	4
5	PO-1620 Transferability of deep learning models to the segmentation of gross tumour volume in brain cancer 2023 ·Radiotherapy and Oncology ·(unknown), P. Whybra, John Powell, Suzie Thomas, (unknown), Emiliano Spezi	4
6	A randomized controlled trial with a delayed‐type hypersensitivity model using keyhole limpet haemocyanin to evaluate adaptive immune responses in man 2020 ·British Journal of Clinical Pharmacology ·(unknown), Pim Gal, (unknown), Jacobus Burggraaf, John Powell, (unknown), Robert Rißmann, Martijn B. A. van Doorn, Matthijs Moerland	11
7	Association between Plasma Ceramides and Phosphatidylcholines and Hippocampal Brain Volume in Late Onset Alzheimer’s Disease 2016 ·Journal of Alzheimer s Disease ·Min Kim, Alejo Nevado‐Holgado, Luke Whiley, Stuart G. Snowden, Hilkka Soininen, Iwona Kłoszewska, Patrizia Mecocci, Magda Tsolaki, Bruno Vellas, Madhav Thambisetty, Richard Dobson, John Powell, Michelle K. Lupton, Andy Simmons, Latha Velayudhan, Simon Lovestone, Petroula Proitsi, Cristina Legido‐Quigley	73
8	Interaction between DRD2 and AKT1 genetic variations on risk of psychosis in cannabis users: a case–control study 2015 ·Schizophrenia ·Marco Colizzi, Conrad Iyegbe, John Powell, Giuseppe Blasi, Alessandro Bertolino, Robin Murray, Marta Di Forti	24
9	The Development of a Range Extender Electric Vehicle Demonstrator 2013 ·SAE technical papers on CD-ROM/SAE technical paper series ·Michael Bassett, (unknown), Gordon J. Kennedy, (unknown), John Powell, Marco Warth	18
10	Development of a Smartphone App for a Genetics Website: The Amyotrophic Lateral Sclerosis Online Genetics Database (ALSoD) 2013 ·JMIR mhealth and uhealth ·Olubunmi Abel, Aleksey Shatunov, Ashley Jones, Peter M. Andersen, John Powell, Ammar Al‐Chalabi	47
11	Confirmation that the AKT1 (rs2494732) Genotype Influences the Risk of Psychosis in Cannabis Users 2012 ·Biological Psychiatry ·Marta Di Forti, Conrad Iyegbe, Hannah Sallis, Anna Kolliakou, M. Aurora Falcone, Alessandra Paparelli, (unknown), Caterina La Cascia, Simona A. Stilo, Tiago Reis Marques, Rowena Handley, Valeria Mondelli, Paola Dazzan, Carmine M. Pariante, Anthony S. David, Craig Morgan, John Powell, Robin Murray	169
12	Evidence that variation in the oligodendrocyte lineage transcription factor 2 (OLIG2) gene is associated with psychosis in Alzheimer's disease 2009 ·Neuroscience Letters ·Rebecca Sims, Paul Hollingworth, Valentina Moskvina, Kimberley Dowzell, Michael O’Donovan, John Powell, Simon Lovestone, Carol Brayne, David C. Rubinsztein, Michael J. Owen, Julie Williams, Richard Abraham	24
13	Contribution of Eotaxin-1 to Eosinophil Chemotactic Activity of Moderate and Severe Asthmatic Sputum 2004 ·American Journal of Respiratory and Critical Care Medicine ·Gordon Dent, Chrystalleni Hadjicharalambous, Takahiro Yoshikawa, Rachel Handy, John Powell, Ian K. Anderson, Renaud Louis, Donna E. Davies, Ratko Djukanović	49
14	Cognitive and psychological correlates of smoking abstinence, and predictors of successful cessation 2004 ·Addictive Behaviors ·(unknown), (unknown), Alan D. Pickering, Lynne Dawkins, Robert West, John Powell	64
15	No association of polymorphisms in the chat locus with late-onset Alzheimer's disease 2002 ·Neurobiology of Aging ·Denise Harold, T Peirce, Marian L. Hamshere, Dragana Turic, (unknown), Michael O’Donovan, Julie Williams, Mike Owen, Laura Jones, A. Myers, Simon Lovestone, John Powell, Stephen P. McIlroy, David Craig, Peter Passmore, John Hardy, Alison Goate	1
16	Intron 7 retention and exon 9 skipping EAAT2 mRNA variants are not associated with amyotrophic lateral sclerosis 2001 ·Annals of Neurology ·(unknown), John Powell, P. Nigel Leigh, Peter M. Andersen, Christopher E. Shaw	54
17	Physical mapping of a balanced translocation associated with psychosis 2001 ·American Journal of Medical Genetics ·(unknown), Andrew J. Mungall, Elisabeth Dawson, Karen Halls, John Powell	3
18	Phenotypic heterogeneity in a United Kingdom CADASIL prevalence study 2001 ·Journal of Neurology Neurosurgery & Psychiatry ·R. J. Martin, John Powell, (unknown)	1
19	Increased Common Carotid Intima-Media Thickness in UK African Caribbeans and Its Relation to Chronic Inflammation and Vascular Candidate Gene Polymorphisms 2001 ·Stroke ·(unknown), (unknown), (unknown), Charles Wolfe, Nadira Ali, John Powell, (unknown), Marisa Cullinane	44
20	Evidence for a genetic association between alleles of monoamine oxidase a gene and bipolar affective disorder 1995 ·American Journal of Medical Genetics ·Lionel Lim, John Powell, Pak C. Sham, David Castle, Neil Hunt, Robin Murray, Michael Gill	67

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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