Robert E. Apfel

6.6k total citations · 1 hit paper
150 papers, 5.1k citations indexed

About

Robert E. Apfel is a scholar working on Biomedical Engineering, Materials Chemistry and Electrical and Electronic Engineering. According to data from OpenAlex, Robert E. Apfel has authored 150 papers receiving a total of 5.1k indexed citations (citations by other indexed papers that have themselves been cited), including 76 papers in Biomedical Engineering, 48 papers in Materials Chemistry and 31 papers in Electrical and Electronic Engineering. Recurrent topics in Robert E. Apfel's work include Ultrasound and Cavitation Phenomena (40 papers), Microfluidic and Bio-sensing Technologies (33 papers) and Electrohydrodynamics and Fluid Dynamics (23 papers). Robert E. Apfel is often cited by papers focused on Ultrasound and Cavitation Phenomena (40 papers), Microfluidic and Bio-sensing Technologies (33 papers) and Electrohydrodynamics and Fluid Dynamics (23 papers). Robert E. Apfel collaborates with scholars based in United States, China and India. Robert E. Apfel's co-authors include Christy K. Holland, Yuren Tian, Boa-Teh Chu, Ronald A. Roy, Sameer I. Madanshetty, R. Glynn Holt, Jeffrey A. Ketterling, Philip L. Marston, E. H. Trinh and Yuan‐Chyuan Lo and has published in prestigious journals such as Nature, Physical Review Letters and The Journal of Chemical Physics.

In The Last Decade

Robert E. Apfel

139 papers receiving 4.9k citations

Hit Papers

Gauging the likelihood of cavitation from short-pulse, lo... 1991 2026 2002 2014 1991 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. Gauging the likelihood of cavitation from short-pulse, low-duty cycle diagnostic ultrasound
    1991 554 citations Robert E. Apfel, Christy K. Holland Ultrasound in Medicine & Biology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Robert E. Apfel United States 39 3.4k 2.2k 723 683 495 150 5.1k
Ronald A. Roy United States 34 3.6k 1.0× 2.7k 1.2× 1.0k 1.4× 226 0.3× 215 0.4× 158 4.9k
Yoichiro Matsumoto Japan 35 2.2k 0.6× 1.3k 0.6× 482 0.7× 238 0.3× 218 0.4× 331 4.1k
Sascha Hilgenfeldt United States 35 3.5k 1.0× 3.7k 1.7× 318 0.4× 394 0.6× 256 0.5× 97 5.8k
G. Müller Germany 37 771 0.2× 1.9k 0.9× 566 0.8× 1.3k 1.9× 117 0.2× 289 5.0k
Oleg A. Sapozhnikov Russia 34 3.9k 1.1× 1.6k 0.7× 2.0k 2.8× 293 0.4× 86 0.2× 303 5.3k
Charles C. Church United States 27 2.7k 0.8× 2.2k 1.0× 810 1.1× 119 0.2× 162 0.3× 82 3.7k
J. W. Hand United Kingdom 34 2.8k 0.8× 379 0.2× 2.0k 2.7× 647 0.9× 190 0.4× 130 4.6k
Robin O. Cleveland United States 35 2.3k 0.7× 1.1k 0.5× 1.2k 1.7× 150 0.2× 99 0.2× 185 4.0k
J.H. Hubbell United States 33 3.1k 0.9× 4.3k 1.9× 2.1k 2.9× 382 0.6× 4.4k 9.0× 79 8.1k
Vera A. Khokhlova Russia 33 3.9k 1.1× 1.3k 0.6× 2.2k 3.1× 218 0.3× 76 0.2× 263 4.8k

Countries citing papers authored by Robert E. Apfel

Since Specialization
Citations

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

Fields of papers citing papers by Robert E. Apfel

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Robert E. Apfel

This figure shows the co-authorship network connecting the top 25 collaborators of Robert E. Apfel. A scholar is included among the top collaborators of Robert E. Apfel 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 Robert E. Apfel. Robert E. Apfel 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.
Xu, Ning, Robert E. Apfel, Anthony Khong, Xiwei Hu, & Long Wang. (2003). Water vapor diffusion effects on gas dynamics in a sonoluminescing bubble. Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics. 68(1). 16309–16309. 13 indexed citations
2.
d’Errico, Francesco, et al.. (2001). Electronic personal neutron dosimetry with superheated drop detectors. Radiation Protection Dosimetry. 261–264. 3 indexed citations
3.
d’Errico, Francesco, et al.. (2001). Electronic Neutron Personal Dosimetry with Superheated Drop Detectors. Radiation Protection Dosimetry. 96(1). 261–264. 15 indexed citations
4.
Moran, Elaine, Robert E. Apfel, Ilene J. Busch‐Vishniac, et al.. (1998). Acoustical News—USA. The Journal of the Acoustical Society of America. 103(1). 1–3. 5 indexed citations
5.
Tian, Yuren, R. Glynn Holt, & Robert E. Apfel. (1997). Investigation of Liquid Surface Rheology of Surfactant Solutions by Droplet Shape Oscillations: Experiments. Journal of Colloid and Interface Science. 187(1). 1–10. 61 indexed citations
6.
Deng, Cheri X., et al.. (1996). In vitro measurements of inertial cavitation thresholds in human blood. Ultrasound in Medicine & Biology. 22(7). 939–948. 79 indexed citations
7.
Apfel, Robert E., et al.. (1996). Radiation force on a spherical object in an axisymmetric wave field and its application to the calibration of high-frequency transducers. The Journal of the Acoustical Society of America. 99(2). 713–724. 85 indexed citations
8.
Tian, Yuren, et al.. (1995). Direct observation of microbubble oscillations. The Journal of the Acoustical Society of America. 98(5_Supplement). 2922–2922. 30 indexed citations
9.
Holland, Christy K., et al.. (1992). In vitro detection of cavitation induced by a diagnostic ultrasound system. IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control. 39(1). 95–101. 29 indexed citations
10.
Apfel, Robert E. & Christy K. Holland. (1991). Gauging the likelihood of cavitation from short-pulse, low-duty cycle diagnostic ultrasound. Ultrasound in Medicine & Biology. 17(2). 179–185. 554 indexed citations breakdown →
11.
Jiang, Peng, E. Carr Everbach, & Robert E. Apfel. (1991). Applications of mixture laws for predicting the compositions of tissue phantoms. Ultrasound in Medicine & Biology. 17(8). 829–838. 5 indexed citations
12.
Holland, Christy K. & Robert E. Apfel. (1989). An improved theory for the prediction of microcavitation thresholds. IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control. 36(2). 204–208. 162 indexed citations
13.
Apfel, Robert E. & Yuan‐Chyuan Lo. (1989). Practical Neutron Dosimetry With Superheated Drops. Health Physics. 56(1). 79–83. 36 indexed citations
14.
Roos, Mark S., et al.. (1988). Application of 30-MHz acoustic scattering to the study of human red blood cells. The Journal of the Acoustical Society of America. 83(4). 1639–1644. 8 indexed citations
15.
Roy, S.C., Robert E. Apfel, & Yuan‐Chyuan Lo. (1987). Superheated drop detector: A potential tool in neutron research. Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment. 255(1-2). 199–206. 25 indexed citations
16.
Apfel, Robert E. & Richard L. Day. (1986). Initiating boiling with ice. Nature. 321(6071). 657–657.
17.
Hsu, Chaur‐Jian & Robert E. Apfel. (1985). A technique for measuring interfacial tension by quadrupole oscillation of drops. Journal of Colloid and Interface Science. 107(2). 467–476. 20 indexed citations
18.
Apfel, Robert E., et al.. (1985). Prediction of the minimum neutron energy to nucleate vapor bubbles in superheated liquids. Physical review. A, General physics. 31(5). 3194–3198. 46 indexed citations
19.
Apfel, Robert E., et al.. (1984). Interparticle forces on red cells in a standing wave field.. 56(2). 114–119. 96 indexed citations
20.
Apfel, Robert E.. (1969). Rôle of Impurities in Cavitation Threshold Determination. The Journal of the Acoustical Society of America. 46(1A_Supplement). 93–93. 121 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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