Karla M. Ramos‐Torres

1.3k total citations · 1 hit paper
19 papers, 1.0k citations indexed

About

Karla M. Ramos‐Torres is a scholar working on Radiology, Nuclear Medicine and Imaging, Molecular Biology and Nutrition and Dietetics. According to data from OpenAlex, Karla M. Ramos‐Torres has authored 19 papers receiving a total of 1.0k indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Radiology, Nuclear Medicine and Imaging, 6 papers in Molecular Biology and 5 papers in Nutrition and Dietetics. Recurrent topics in Karla M. Ramos‐Torres's work include Medical Imaging Techniques and Applications (6 papers), Radiopharmaceutical Chemistry and Applications (5 papers) and Trace Elements in Health (5 papers). Karla M. Ramos‐Torres is often cited by papers focused on Medical Imaging Techniques and Applications (6 papers), Radiopharmaceutical Chemistry and Applications (5 papers) and Trace Elements in Health (5 papers). Karla M. Ramos‐Torres collaborates with scholars based in United States, Canada and Germany. Karla M. Ramos‐Torres's co-authors include Christopher J. Chang, Allegra T. Aron, Joseph A. Cotruvo, Safacan Kölemen, Pedro Brugarolas, Christine I. Nam, Marla B. Feller, Alana Firl, Jefferson Chan and Sheel C. Dodani and has published in prestigious journals such as Proceedings of the National Academy of Sciences, Chemical Society Reviews and Journal of Biological Chemistry.

In The Last Decade

Karla M. Ramos‐Torres

18 papers receiving 1.0k 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.

Synthetic fluorescent probes for studying copper in biological systems

2015 488 citations Joseph A. Cotruvo, Allegra T. Aron et al. Chemical Society Reviews profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Karla M. Ramos‐Torres United States	10	595	424	382	210	150	19	1.0k
Pritha Bagchi United States	12	380 0.6×	353 0.8×	220 0.6×	148 0.7×	146 1.0×	34	1.0k
Jin Hoon Kim South Korea	16	687 1.2×	324 0.8×	526 1.4×	32 0.2×	244 1.6×	32	1.3k
Guiwen Yang China	12	692 1.2×	445 1.0×	511 1.3×	32 0.2×	56 0.4×	14	1.3k
Goutam Masanta India	15	888 1.5×	322 0.8×	625 1.6×	45 0.2×	57 0.4×	16	1.1k
M. Thomas Morgan United States	12	274 0.5×	160 0.4×	156 0.4×	221 1.1×	105 0.7×	16	566
Fanpeng Kong China	26	777 1.3×	692 1.6×	719 1.9×	143 0.7×	25 0.2×	40	2.0k
Yafeng He China	21	517 0.9×	508 1.2×	401 1.0×	67 0.3×	24 0.2×	26	1.5k
Masahiro Abo Japan	10	369 0.6×	353 0.8×	276 0.7×	27 0.1×	35 0.2×	16	861
Kevin J. Bruemmer United States	16	431 0.7×	579 1.4×	394 1.0×	39 0.2×	38 0.3×	18	1.3k
Takahiro Kohira Japan	10	592 1.0×	435 1.0×	446 1.2×	25 0.1×	32 0.2×	14	992

Countries citing papers authored by Karla M. Ramos‐Torres

Since Specialization

Citations

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

Fields of papers citing papers by Karla M. Ramos‐Torres

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karla M. Ramos‐Torres. 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 Karla M. Ramos‐Torres. The network helps show where Karla M. Ramos‐Torres may publish in the future.

Co-authorship network of co-authors of Karla M. Ramos‐Torres

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

All Works

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19 of 19 papers shown

Ramos‐Torres, Karla M., Sara Conti, Yu‐Peng Zhou, et al.. (2025). Imaging Demyelinated Axons After Spinal Cord Injuries with PET Tracer [ ¹⁸ F]3F4AP. Journal of Nuclear Medicine. 66(2). 293–301. 3 indexed citations

Ramos‐Torres, Karla M., Yang Sun, Fang Liu, et al.. (2025). First evaluation in multiple sclerosis using PET tracer [18F]3F4AP demonstrates heterogeneous binding across lesions. European Journal of Nuclear Medicine and Molecular Imaging. 53(2). 1125–1138.

Reyes, Monica, Patrick Hanna, Prem Swaroop Yadav, et al.. (2025). A mouse model of Jansen’s metaphyseal chondrodysplasia for investigating disease mechanisms and candidate therapeutics. Proceedings of the National Academy of Sciences. 122(23). e2500176122–e2500176122. 2 indexed citations

Sun, Yang, et al.. (2024). Synthesis of K+ channel radioligand [18F]5-methyl-3-fluoro-4-aminopyridine and PET imaging in mice. Bioorganic & Medicinal Chemistry Letters. 114. 129991–129991. 1 indexed citations

Ramos‐Torres, Karla M., Yang Sun, Kazue Takahashi, Yu‐Peng Zhou, & Pedro Brugarolas. (2024). Common anesthetic used in preclinical PET imaging inhibits metabolism of the PET tracer [ ¹⁸ F ] 3F4AP. Journal of Neurochemistry. 168(9). 2577–2586. 3 indexed citations

Sun, Yang, Karla M. Ramos‐Torres, & Pedro Brugarolas. (2023). Metabolic Stability of the Demyelination Positron Emission Tomography Tracer [18F]3-Fluoro-4-Aminopyridine and Identification of Its Metabolites. Journal of Pharmacology and Experimental Therapeutics. 386(1). 93–101. 5 indexed citations

Telu, Sanjay, Mohammad B. Haskali, Qunchao Zhao, et al.. (2023). Broad‐scope Syntheses of [¹¹C/¹⁸F]Trifluoromethylarenes from Aryl(mesityl)iodonium Salts. Chemistry - A European Journal. 29(24). e202204004–e202204004. 10 indexed citations

Guehl, Nicolas J., Karla M. Ramos‐Torres, Clas Linnman, et al.. (2020). Evaluation of the potassium channel tracer [ ¹⁸ F]3F4AP in rhesus macaques. Journal of Cerebral Blood Flow & Metabolism. 41(7). 1721–1733. 22 indexed citations

Ramos‐Torres, Karla M., Yu‐Peng Zhou, Nicolas J. Guehl, et al.. (2020). Syntheses of [¹¹C]2- and [¹¹C]3-trifluoromethyl-4-aminopyridine: potential PET radioligands for demyelinating diseases. RSC Medicinal Chemistry. 11(10). 1161–1167. 8 indexed citations

10.

Alpert, Nathaniel M., Matthieu Pelletier‐Galarneau, Yoann Petibon, et al.. (2020). In-vivo Imaging of Mitochondrial Depolarization of Myocardium With Positron Emission Tomography and a Proton Gradient Uncoupler. Frontiers in Physiology. 11. 491–491. 7 indexed citations

11.

Ramos‐Torres, Karla M., et al.. (2020). Structure-activity relationship studies of four novel 4-aminopyridine K+ channel blockers. Scientific Reports. 10(1). 52–52. 30 indexed citations

12.

Ramos‐Torres, Karla M., Yu‐Peng Zhou, Nicolas J. Guehl, et al.. (2020). Syntheses of [11C]2- and [11C]3-trifluoromethyl-4-aminopyridine: potential PET radioligands for imaging demyelinating diseases. 61. 619–619. 1 indexed citations

13.

Jia, Shang, Karla M. Ramos‐Torres, Safacan Kölemen, Cheri M. Ackerman, & Christopher J. Chang. (2017). Tuning the Color Palette of Fluorescent Copper Sensors through Systematic Heteroatom Substitution at Rhodol Cores. ACS Chemical Biology. 13(7). 1844–1852. 39 indexed citations

14.

Normant, Vincent, et al.. (2017). Cell-surface copper transporters and superoxide dismutase 1 are essential for outgrowth during fungal spore germination. Journal of Biological Chemistry. 292(28). 11896–11914. 18 indexed citations

15.

Torres‐Duarte, Cristina, Karla M. Ramos‐Torres, René Rahimoff, & Gary N. Cherr. (2017). Stage specific effects of soluble copper and copper oxide nanoparticles during sea urchin embryo development and their relation to intracellular copper uptake. Aquatic Toxicology. 189. 134–141. 11 indexed citations

16.

Ramos‐Torres, Karla M., Safacan Kölemen, & Christopher J. Chang. (2016). Thioether Coordination Chemistry for Molecular Imaging of Copper in Biological Systems. Israel Journal of Chemistry. 56(9-10). 724–737. 27 indexed citations

17.

Cotruvo, Joseph A., Allegra T. Aron, Karla M. Ramos‐Torres, & Christopher J. Chang. (2015). Synthetic fluorescent probes for studying copper in biological systems. Chemical Society Reviews. 44(13). 4400–4414. 488 indexed citations breakdown →

18.

Aron, Allegra T., Karla M. Ramos‐Torres, Joseph A. Cotruvo, & Christopher J. Chang. (2015). Recognition- and Reactivity-Based Fluorescent Probes for Studying Transition Metal Signaling in Living Systems. Accounts of Chemical Research. 48(8). 2434–2442. 250 indexed citations

19.

Dodani, Sheel C., Alana Firl, Jefferson Chan, et al.. (2014). Copper is an endogenous modulator of neural circuit spontaneous activity. Proceedings of the National Academy of Sciences. 111(46). 16280–16285. 124 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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