Olav B. Ryan

1.4k total citations
30 papers, 1.2k citations indexed

About

Olav B. Ryan is a scholar working on Radiology, Nuclear Medicine and Imaging, Pulmonary and Respiratory Medicine and Inorganic Chemistry. According to data from OpenAlex, Olav B. Ryan has authored 30 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Radiology, Nuclear Medicine and Imaging, 10 papers in Pulmonary and Respiratory Medicine and 8 papers in Inorganic Chemistry. Recurrent topics in Olav B. Ryan's work include Radiopharmaceutical Chemistry and Applications (19 papers), Prostate Cancer Treatment and Research (5 papers) and Lung Cancer Treatments and Mutations (5 papers). Olav B. Ryan is often cited by papers focused on Radiopharmaceutical Chemistry and Applications (19 papers), Prostate Cancer Treatment and Research (5 papers) and Lung Cancer Treatments and Mutations (5 papers). Olav B. Ryan collaborates with scholars based in Norway, Germany and United States. Olav B. Ryan's co-authors include Mats Tilset, Lars Johansson, Vernon D. Parker, Christian Rømming, Alan Cuthbertson, Roger M. Bjerke, Urs B. Hagemann, Jenny Karlsson, Ole Swang and Odd Gropen and has published in prestigious journals such as Journal of the American Chemical Society, Cancer Research and The Journal of Physical Chemistry.

In The Last Decade

Olav B. Ryan

30 papers receiving 1.1k citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Olav B. Ryan Norway	18	550	425	370	268	250	30	1.2k
Michael J. Went United Kingdom	22	679 1.2×	303 0.7×	469 1.3×	68 0.3×	346 1.4×	71	1.4k
Karen Libson United States	18	222 0.4×	753 1.8×	242 0.7×	293 1.1×	383 1.5×	28	1.1k
Douglas E. Berning United States	12	491 0.9×	450 1.1×	518 1.4×	118 0.4×	354 1.4×	16	1.3k
Cristina Bolzati Italy	25	532 1.0×	1.3k 3.2×	341 0.9×	426 1.6×	597 2.4×	93	1.8k
Andrea Marchi Italy	21	742 1.3×	512 1.2×	479 1.3×	99 0.4×	486 1.9×	74	1.2k
Sibaprasad Bhattacharyya United States	17	251 0.5×	323 0.8×	95 0.3×	112 0.4×	272 1.1×	35	731
Erik D. Brady United States	18	271 0.5×	621 1.5×	187 0.5×	183 0.7×	246 1.0×	21	1.1k
John D. Lydon United States	10	261 0.5×	511 1.2×	205 0.6×	127 0.5×	429 1.7×	16	845
Alan R. Ketring United States	19	133 0.2×	670 1.6×	145 0.4×	267 1.0×	212 0.8×	38	933
Henrik Braband Switzerland	21	549 1.0×	436 1.0×	366 1.0×	74 0.3×	191 0.8×	75	1.1k

Countries citing papers authored by Olav B. Ryan

Since Specialization

Citations

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

Fields of papers citing papers by Olav B. Ryan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Olav B. Ryan. 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 Olav B. Ryan. The network helps show where Olav B. Ryan may publish in the future.

Co-authorship network of co-authors of Olav B. Ryan

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Karlsson, Jenny, Urs B. Hagemann, Véronique Cruciani, et al.. (2023). Efficacy of a HER2-Targeted Thorium-227 Conjugate in a HER2-Positive Breast Cancer Bone Metastasis Model. Cancers. 15(13). 3419–3419. 4 indexed citations

Hagemann, Urs B., Stefanie Hammer, Roger M. Bjerke, et al.. (2020). Advances in Precision Oncology: Targeted Thorium-227 Conjugates As a New Modality in Targeted Alpha Therapy. Cancer Biotherapy and Radiopharmaceuticals. 35(7). 497–510. 49 indexed citations

Hagemann, Urs B., Christine Ellingsen, Joachim Schuhmacher, et al.. (2019). Mesothelin-Targeted Thorium-227 Conjugate (MSLN-TTC): Preclinical Evaluation of a New Targeted Alpha Therapy for Mesothelin-Positive Cancers. Clinical Cancer Research. 25(15). 4723–4734. 86 indexed citations

Hammer, Stefanie, Urs B. Hagemann, Sabine Zitzmann-Kolbe, et al.. (2019). Preclinical Efficacy of a PSMA-Targeted Thorium-227 Conjugate (PSMA-TTC), a Targeted Alpha Therapy for Prostate Cancer. Clinical Cancer Research. 26(8). 1985–1996. 94 indexed citations

Karlsson, Jenny, Christine Ellingsen, Véronique Cruciani, et al.. (2019). Synergistic Effect of a HER2 Targeted Thorium-227 Conjugate in Combination with Olaparib in a BRCA2 Deficient Xenograft Model. Pharmaceuticals. 12(4). 155–155. 29 indexed citations

Hagemann, Urs B., Véronique Cruciani, Antje M. Wengner, et al.. (2019). Synergistic Effect of a Mesothelin-Targeted ²²⁷Th Conjugate in Combination with DNA Damage Response Inhibitors in Ovarian Cancer Xenograft Models. Journal of Nuclear Medicine. 60(9). 1293–1300. 40 indexed citations

Hagemann, Urs B., Alexander Kristian, Christine Ellingsen, et al.. (2019). Preclinical Combination Studies of an FGFR2 Targeted Thorium-227 Conjugate and the ATR Inhibitor BAY 1895344. International Journal of Radiation Oncology*Biology*Physics. 105(2). 410–422. 18 indexed citations

Hammer, Stefanie, Sabine Zitzmann-Kolbe, Felix Oden, et al.. (2019). Abstract 1141: Preclinical analysis of biodistribution and PET imaging of a zirconium-89 labeled PSMA-targeted antibody-chelator conjugate. Cancer Research. 79(13_Supplement). 1141–1141. 3 indexed citations

Hammer, Stefanie, Urs B. Hagemann, Sabine Zitzmann-Kolbe, et al.. (2018). Abstract 844: Preclinical activity of PSMA-TTC, a targeted alpha therapeutic in patient-derived prostate cancer models. Cancer Research. 78(13_Supplement). 844–844. 4 indexed citations

10.

Deblonde, Gauthier J.‐P., Trevor D. Lohrey, Corwin H. Booth, et al.. (2018). Solution Thermodynamics and Kinetics of Metal Complexation with a Hydroxypyridinone Chelator Designed for Thorium-227 Targeted Alpha Therapy. Inorganic Chemistry. 57(22). 14337–14346. 38 indexed citations

11.

Karlsson, Jenny, Urs B. Hagemann, Christoph A. Schatz, et al.. (2017). Abstract 5857: HER2-targeted thorium-227 conjugate (HER2-TTC): Efficacy in a HER2 positive orthotopic bone model. Cancer Research. 77(13_Supplement). 5857–5857. 6 indexed citations

12.

Dyrstad, Knut, et al.. (2017). Development of separation technology for the removal of radium-223 from targeted thorium conjugate formulations. Part II: purification of targeted thorium conjugates on cation exchange columns. Drug Development and Industrial Pharmacy. 43(9). 1440–1449. 5 indexed citations

13.

Hagemann, Urs B., Ellen Wang, Jenny Karlsson, et al.. (2016). In Vitro and In Vivo Efficacy of a Novel CD33-Targeted Thorium-227 Conjugate for the Treatment of Acute Myeloid Leukemia. Molecular Cancer Therapeutics. 15(10). 2422–2431. 62 indexed citations

14.

Ramdahl, Thomas, et al.. (2016). An efficient chelator for complexation of thorium-227. Bioorganic & Medicinal Chemistry Letters. 26(17). 4318–4321. 56 indexed citations

15.

Dyrstad, Knut, et al.. (2016). Development of separation technology for the removal of radium-223 from targeted thorium conjugate formulations. Part I: purification of decayed thorium-227 on cation exchange columns. Drug Development and Industrial Pharmacy. 43(2). 225–233. 3 indexed citations

16.

Johansson, Lars, Olav B. Ryan, Christian Rømming, & Mats Tilset. (2001). Unexpected Selectivities in C−H Activations of Toluene andp-Xylene at Cationic Platinum(II) Diimine Complexes. New Mechanistic Insight into Product-Determining Factors. Journal of the American Chemical Society. 123(27). 6579–6590. 104 indexed citations

17.

Heiberg, Hanne, Lars Johansson, Odd Gropen, et al.. (2000). A Combined Experimental and Density Functional Theory Investigation of Hydrocarbon Activation at a Cationic Platinum(II) Diimine Aqua Complex under Mild Conditions in a Hydroxylic Solvent. Journal of the American Chemical Society. 122(44). 10831–10845. 106 indexed citations

18.

Johansson, Lars, Olav B. Ryan, & Mats Tilset. (1999). Hydrocarbon Activation at a Cationic Platinum(II) Diimine Aqua Complex under Mild Conditions in a Hydroxylic Solvent. Journal of the American Chemical Society. 121(9). 1974–1975. 150 indexed citations

19.

Johansson, Lars, Olav B. Ryan, Christian Rømming, & Mats Tilset. (1998). Redox Chemistry of Dimethylplatinum(II) Diimine Complexes. Oxidatively Induced Pt−Me Transfer between Transient Platinum(III) Cation Radicals. Organometallics. 17(18). 3957–3966. 54 indexed citations

20.

Ryan, Olav B., et al.. (1991). Metal hydride oxidation chemistry: addition of a trityl cation to the cyclopentadienyl ring in CpRu(PPh3)2H via initial electron transfer. Journal of Organometallic Chemistry. 421(2-3). 315–322. 16 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.

Explore authors with similar magnitude of impact