John J. Zaknun

1.9k total citations · 1 hit paper
35 papers, 1.3k citations indexed

About

John J. Zaknun is a scholar working on Epidemiology, Radiology, Nuclear Medicine and Imaging and Oncology. According to data from OpenAlex, John J. Zaknun has authored 35 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Epidemiology, 11 papers in Radiology, Nuclear Medicine and Imaging and 9 papers in Oncology. Recurrent topics in John J. Zaknun's work include Radiopharmaceutical Chemistry and Applications (6 papers), Medical Imaging Techniques and Applications (6 papers) and Neuroendocrine Tumor Research Advances (6 papers). John J. Zaknun is often cited by papers focused on Radiopharmaceutical Chemistry and Applications (6 papers), Medical Imaging Techniques and Applications (6 papers) and Neuroendocrine Tumor Research Advances (6 papers). John J. Zaknun collaborates with scholars based in Austria, United States and India. John J. Zaknun's co-authors include Dieter Hörsch, Richard P. Baum, Lisa Bodei, James R. Howe, Jan Mueller‐Brand, Dik J. Kwekkeboom, Marianne E. Pavel, M. Sue O’Dorisio, Marta Cremonesi and K. Maly and has published in prestigious journals such as American Journal of Clinical Nutrition, The Journal of Pediatrics and Journal of Nuclear Medicine.

In The Last Decade

John J. Zaknun

34 papers receiving 1.3k citations

Hit Papers

The joint IAEA, EANM, and SNMMI practical guidance on pep... 2013 2026 2017 2021 2013 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 joint IAEA, EANM, and SNMMI practical guidance on peptide receptor radionuclide therapy (PRRNT) in neuroendocrine tumours
    2013 563 citations John J. Zaknun, Richard P. Baum et al. European Journal of Nuclear Medicine and Molecular Imaging profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
John J. Zaknun Austria 13 564 491 487 273 211 35 1.3k
G. Meyer Germany 15 490 0.9× 283 0.6× 301 0.6× 198 0.7× 260 1.2× 28 989
Stefan Guhlke Germany 21 833 1.5× 889 1.8× 720 1.5× 501 1.8× 333 1.6× 55 1.6k
Dirk Müller Germany 14 600 1.1× 456 0.9× 359 0.7× 205 0.8× 243 1.2× 31 1.1k
Raffaella Barone Netherlands 14 792 1.4× 769 1.6× 916 1.9× 540 2.0× 205 1.0× 23 1.5k
Edgar J. Rolleman Netherlands 15 695 1.2× 593 1.2× 676 1.4× 299 1.1× 158 0.7× 16 1.1k
Wolfgang Becker Germany 23 819 1.5× 527 1.1× 458 0.9× 104 0.4× 208 1.0× 38 1.6k
Steve Cho United States 18 481 0.9× 155 0.3× 265 0.5× 158 0.6× 408 1.9× 74 1.4k
Sophia Koukouraki Greece 16 324 0.6× 254 0.5× 255 0.5× 125 0.5× 237 1.1× 39 1.4k
Jean Claude Reubi Switzerland 8 269 0.5× 463 0.9× 668 1.4× 344 1.3× 89 0.4× 9 977
H.-J. Biersack Germany 20 579 1.0× 219 0.4× 239 0.5× 205 0.8× 225 1.1× 80 1.4k

Countries citing papers authored by John J. Zaknun

Since Specialization
Citations

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

Fields of papers citing papers by John J. Zaknun

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of John J. Zaknun

This figure shows the co-authorship network connecting the top 25 collaborators of John J. Zaknun. A scholar is included among the top collaborators of John J. Zaknun 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 J. Zaknun. John J. Zaknun 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.
Zaknun, John J., et al.. (2021). Case Report: Autologous Bone Marrow Derived Intrathecal Stem Cell Transplant for Autistic Children - A Report of Four Cases and Literature Review. Frontiers in Pediatrics. 9. 620188–620188. 8 indexed citations
2.
Bal, Chandrasekhar, Geetanjali Arora, Praveen Kumar, et al.. (2015). Pharmacokinetic, Dosimetry and Toxicity Study of 177Lu-EDTMP in Patients: Phase 0/I study. Current Radiopharmaceuticals. 9(1). 71–84. 16 indexed citations
3.
Jiménez‐Heffernan, Amelia, A Ellmann, Chandrasekhar Bal, et al.. (2015). Results of a Prospective Multicenter International Atomic Energy Agency Sentinel Node Trial on the Value of SPECT/CT Over Planar Imaging in Various Malignancies. Journal of Nuclear Medicine. 56(9). 1338–1344. 71 indexed citations
4.
Yuan, Jie, et al.. (2013). Efficacy and Safety of 177Lu-EDTMP in Bone Metastatic Pain Palliation in Breast Cancer and Hormone Refractory Prostate Cancer. Clinical Nuclear Medicine. 38(2). 88–92. 62 indexed citations
5.
Hörsch, Dieter, Tillmann Bert, J. Schrader, et al.. (2012). Pancreatic neuroendocrine neoplasms.. PubMed. 58(4). 401–26. 10 indexed citations
6.
Grabowski, Patricia, Franziska Briest, Richard P. Baum, et al.. (2012). Vandetanib therapy in medullary thyroid cancer. Drugs of today. 48(11). 723–723. 12 indexed citations
7.
Zaknun, John J., et al.. (2011). Added value of labeled leukocytes SPECT-CT in diagnosing osteomyelitis (OM). 52. 1368–1368. 1 indexed citations
8.
Dondi, Maurizio, Ravi Kashyap, Diana Páez, et al.. (2011). Trends in Nuclear Medicine in Developing Countries. Journal of Nuclear Medicine. 52(Supplement 2). 16S–23S. 43 indexed citations
9.
Máthé, Domokos, Lajos Balogh, András Polyák, et al.. (2009). Multispecies animal investigation on biodistribution, pharmacokinetics and toxicity of 177Lu-EDTMP, a potential bone pain palliation agent. Nuclear Medicine and Biology. 37(2). 215–226. 40 indexed citations
10.
Zaknun, John J., et al.. (2008). Value of cerebral blood flow quantification in the diagnosis of dementia. Nuclear Medicine Communications. 29(3). 260–269. 5 indexed citations
11.
Zaknun, John J., Chandrasekhar Bal, Alex Maes, et al.. (2007). Comparative analysis of MR imaging, Ictal SPECT and EEG in temporal lobe epilepsy: a prospective IAEA multi-center study. European Journal of Nuclear Medicine and Molecular Imaging. 35(1). 107–115. 22 indexed citations
12.
Zaknun, John J., Karl Stieglbauer, Johannes Trenkler, & F. Aichner. (2005). Cyanide-induced akinetic rigid syndrome: Clinical, MRI, FDG-PET, β-CIT and HMPAO SPECT findings. Parkinsonism & Related Disorders. 11(2). 125–129. 11 indexed citations
13.
Zaknun, John J., et al.. (2005). F-18 FDG PET for Assessing Tyrosine Kinase-Related Signal Transduction Inhibition in a GIST c-Kit-Positive Tumor Patient by Imatinib. Clinical Nuclear Medicine. 30(11). 749–751. 6 indexed citations
14.
Wurm, Gabriele, et al.. (2001). Chirurgische Möglichkeiten bei Epilepsie. Journal für Kardiologie (Krause & Pachernegg GmbH). 2(2). 36–46. 1 indexed citations
15.
16.
Decristoforo, Clemens, et al.. (1997). The use of electronic autoradiography in radiopharmacy. Nuclear Medicine and Biology. 24(4). 361–365. 7 indexed citations
17.
Zaknun, John J., et al.. (1995). Effect of monounsaturation of a branched fatty acid on organ selectivity.. PubMed. 36(11). 2062–8. 1 indexed citations
18.
19.
Zaknun, John J., Peter Mayersbach, Roy Moncayo, et al.. (1993). Neopterin Levels In Thyroid Pseudocysts. Pteridines. 4(4). 200–205. 1 indexed citations
20.
Überall, Florian, et al.. (1991). Hexadecylphosphocholine inhibits inositol phosphate formation and protein kinase C activity.. PubMed. 51(3). 807–12. 134 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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