Karen E. Murphy

4.6k total citations · 2 hit papers
81 papers, 3.4k citations indexed

About

Karen E. Murphy is a scholar working on Analytical Chemistry, Materials Chemistry and Neurology. According to data from OpenAlex, Karen E. Murphy has authored 81 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Analytical Chemistry, 17 papers in Materials Chemistry and 13 papers in Neurology. Recurrent topics in Karen E. Murphy's work include Analytical chemistry methods development (17 papers), Heavy metals in environment (12 papers) and Parkinson's Disease Mechanisms and Treatments (11 papers). Karen E. Murphy is often cited by papers focused on Analytical chemistry methods development (17 papers), Heavy metals in environment (12 papers) and Parkinson's Disease Mechanisms and Treatments (11 papers). Karen E. Murphy collaborates with scholars based in United States, Australia and Japan. Karen E. Murphy's co-authors include Glenda M. Halliday, Michael R. Winchester, Sarah K. Abbott, Brett Garner, Antonio R. Montoro Bustos, Amanda M. Gysbers, Antony A. Cooper, Monique E. Johnson, José Roberto Vega‐Baudrit and R. David Holbrook and has published in prestigious journals such as ACS Nano, Journal of Applied Physics and Nature Nanotechnology.

In The Last Decade

Karen E. Murphy

80 papers receiving 3.3k 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.

Reduced glucocerebrosidase is associated with increased α-synuclein in sporadic Parkinson’s disease

2014 382 citations Karen E. Murphy, Amanda M. Gysbers et al. Brain profile →
213Bi-DOTATOC receptor-targeted alpha-radionuclide therapy induces remission in neuroendocrine tumours refractory to beta radiation: a first-in-human experience

2014 315 citations R. A. Boll, Karen E. Murphy et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Karen E. Murphy United States	30	842	703	639	394	364	81	3.4k
Wei Zheng United States	50	794 0.9×	495 0.7×	1.2k 1.9×	1.3k 3.4×	218 0.6×	165	9.3k
Dominic J. Hare Australia	48	1.2k 1.4×	394 0.6×	1.1k 1.8×	1.5k 3.9×	912 2.5×	128	7.1k
Xiaoping Zhu United States	41	209 0.2×	414 0.6×	600 0.9×	1.1k 2.8×	110 0.3×	193	5.6k
Yang‐Hsin Shih Taiwan	49	621 0.7×	1.3k 1.9×	187 0.3×	1.1k 2.7×	122 0.3×	256	8.0k
Roberta J. Ward United Kingdom	47	932 1.1×	253 0.4×	1.1k 1.8×	1.7k 4.3×	54 0.1×	174	7.6k
Milan Hájek Czechia	34	172 0.2×	495 0.7×	420 0.7×	760 1.9×	69 0.2×	214	4.5k
Christopher Exley United Kingdom	55	143 0.2×	735 1.0×	1.7k 2.6×	1.2k 3.1×	196 0.5×	164	8.8k
Shinichi Suzuki Japan	34	173 0.2×	439 0.6×	146 0.2×	696 1.8×	272 0.7×	282	4.8k
Stefano Iotti Italy	35	245 0.3×	306 0.4×	443 0.7×	1.1k 2.9×	49 0.1×	132	3.6k
José Raúl Herance Spain	26	116 0.1×	642 0.9×	395 0.6×	904 2.3×	111 0.3×	100	2.7k

Countries citing papers authored by Karen E. Murphy

Since Specialization

Citations

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

Fields of papers citing papers by Karen E. Murphy

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Karen E. Murphy. 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 Karen E. Murphy. The network helps show where Karen E. Murphy may publish in the future.

Co-authorship network of co-authors of Karen E. Murphy

This figure shows the co-authorship network connecting the top 25 collaborators of Karen E. Murphy. A scholar is included among the top collaborators of Karen E. Murphy 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 Karen E. Murphy. Karen E. Murphy 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

Murphy, Karen E., Antonio R. Montoro Bustos, Lee L. Yu, Monique E. Johnson, & Michael R. Winchester. (2024). Reply to “Comment on Comparison of direct and indirect measures of transport efficiency in single particle inductively coupled plasma mass spectrometry” by H. Goenaga-Infante. Spectrochimica Acta Part B Atomic Spectroscopy. 216. 106902–106902. 2 indexed citations

Khan, Sadia Afrin, Monique E. Johnson, Antonio R. Montoro Bustos, et al.. (2024). Characterization of nanoparticles in silicon dioxide food additive. Food Additives & Contaminants Part A. 41(1). 9–21. 11 indexed citations

Vogl, Jochen, Yong‐Hyeon Yim, Kyoung‐Seok Lee, et al.. (2018). Certification of ERM‐EB400, the First Matrix Reference Material for Lead Isotope Amount Ratios, and ERM‐AE142, a Lead Solution Providing a Lead Isotopic Composition at the Edge of Natural Variation. Geostandards and Geoanalytical Research. 43(1). 23–37. 4 indexed citations

Johnson, Monique E., et al.. (2017). Silver Nanoparticles: Technological Advances, Societal Impacts, and Metrological Challenges. Frontiers in Chemistry. 5. 6–6. 262 indexed citations

Murphy, Karen E., et al.. (2017). NanoUV-VIS: An Interactive Visualization Tool for Monitoring the Evolution of Optical Properties of Nanoparticles Throughout Synthesis Reactions. Journal of Research of the National Institute of Standards and Technology. 122. 1–10. 4 indexed citations

Schantz, Michele M., Danielle Cleveland, N. Alan Heckert, et al.. (2016). Development of two fine particulate matter standard reference materials (<4 μm and <10 μm) for the determination of organic and inorganic constituents. Analytical and Bioanalytical Chemistry. 408(16). 4257–4266. 39 indexed citations

Boll, R. A., et al.. (2016). Reactor production of Thorium-229. Applied Radiation and Isotopes. 114. 19–27. 44 indexed citations

Murphy, Karen E., Amanda M. Gysbers, Sarah K. Abbott, et al.. (2014). Reduced glucocerebrosidase is associated with increased α-synuclein in sporadic Parkinson’s disease. Brain. 137(3). 834–848. 382 indexed citations breakdown →

Murphy, Karen E. & Thomas Vetter. (2013). Recognizing and overcoming analytical error in the use of ICP-MS for the determination of cadmium in breakfast cereal and dietary supplements. Analytical and Bioanalytical Chemistry. 405(13). 4579–4588. 27 indexed citations

10.

Kragh, Christine Lund, Amanda M. Gysbers, Edward Rockenstein, et al.. (2013). Prodegenerative IκBα expression in oligodendroglial α-synuclein models of multiple system atrophy. Neurobiology of Disease. 63. 171–183. 10 indexed citations

11.

Huang, Yue, et al.. (2012). Macroautophagy in sporadic and the genetic form of Parkinson's disease with the A53T α-synuclein mutation. Translational Neurodegeneration. 1(1). 2–2. 23 indexed citations

12.

Sander, Lane C., Mary Bedner, James H. Yen, et al.. (2011). Development and certification of green tea-containing standard reference materials. Analytical and Bioanalytical Chemistry. 402(1). 473–487. 25 indexed citations

13.

Gabery, Sanaz, Karen E. Murphy, Clement T. Loy, et al.. (2010). Changes in key hypothalamic neuropeptide populations in Huntington disease revealed by neuropathological analyses. Acta Neuropathologica. 120(6). 777–788. 91 indexed citations

14.

Murphy, Karen E., Thomas Vetter, Gregory C. Turk, et al.. (2009). Comparison of Clinical Methods with Isotope Dilution ICP-MS for the New Standard Reference Material 955c Lead In Caprine Blood | NIST. Journal of Analytical Atomic Spectrometry. 1 indexed citations

15.

Halliday, Glenda M., María Trinidad Herrero, Karen E. Murphy, et al.. (2009). No Lewy pathology in monkeys with over 10 years of severe MPTP Parkinsonism. Movement Disorders. 24(10). 1519–1523. 55 indexed citations

16.

Huang, Yue, Yun Ju Christine Song, Karen E. Murphy, et al.. (2008). LRRK2 and parkin immunoreactivity in multiple system atrophy inclusions. Acta Neuropathologica. 116(6). 639–646. 36 indexed citations

17.

Schantz, Michele M., Mary Bedner, Stephen E. Long, et al.. (2008). Development of saw palmetto (Serenoa repens) fruit and extract standard reference materials. Analytical and Bioanalytical Chemistry. 392(3). 427–438. 34 indexed citations

18.

Murphy, Karen E., et al.. (2007). Excessive dopamine neuron loss in progressive supranuclear palsy. Movement Disorders. 23(4). 607–610. 27 indexed citations

19.

Murphy, Karen E., Stephen E. Long, & Robert D. Vocke. (2006). On the certification of cadmium at trace and ultratrace levels in standard reference materials using ID ICP-MS. Analytical and Bioanalytical Chemistry. 387(7). 2453–2461. 12 indexed citations

20.

Murphy, Karen E., Ellyn S. Beary, M. Rearick, & Robert D. Vocke. (2000). Isotope dilution inductively coupled plasma mass spectrometry (ID ICP-MS) for the certification of lead and cadmium in environmental standard reference materials. Fresenius Journal of Analytical Chemistry. 368(4). 362–370. 30 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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