William Kopaciewicz

1.3k total citations · 1 hit paper
13 papers, 1.1k citations indexed

About

William Kopaciewicz is a scholar working on Molecular Biology, Spectroscopy and Biomedical Engineering. According to data from OpenAlex, William Kopaciewicz has authored 13 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Molecular Biology, 12 papers in Spectroscopy and 7 papers in Biomedical Engineering. Recurrent topics in William Kopaciewicz's work include Protein purification and stability (11 papers), Analytical Chemistry and Chromatography (11 papers) and Microfluidic and Capillary Electrophoresis Applications (7 papers). William Kopaciewicz is often cited by papers focused on Protein purification and stability (11 papers), Analytical Chemistry and Chromatography (11 papers) and Microfluidic and Capillary Electrophoresis Applications (7 papers). William Kopaciewicz collaborates with scholars based in United States. William Kopaciewicz's co-authors include Fred E. Regnier, Mary Ann Rounds, Jodi Fausnaugh, Laura Kennedy, Scott P. Fulton, G.B. Cox and Edward A. Pfannkoch and has published in prestigious journals such as Analytical Biochemistry and Journal of Chromatography A.

In The Last Decade

William Kopaciewicz

13 papers receiving 971 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.

Retention model for high-performance ion-exchange chromatography

1983 476 citations William Kopaciewicz, Mary Ann Rounds et al. Journal of Chromatography A profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
William Kopaciewicz United States	10	796	708	389	172	157	13	1.1k
Mary Ann Rounds United States	9	654 0.8×	644 0.9×	378 1.0×	179 1.0×	117 0.7×	11	1.0k
Karen M. Gooding United States	16	646 0.8×	646 0.9×	303 0.8×	177 1.0×	74 0.5×	25	1.0k
Magnus Glad Sweden	10	328 0.4×	494 0.7×	294 0.8×	490 2.8×	80 0.5×	11	920
Lars Hagel Sweden	12	426 0.5×	230 0.3×	194 0.5×	61 0.4×	107 0.7×	18	608
O. Doblhoff‐Dier Austria	13	250 0.3×	206 0.3×	339 0.9×	301 1.8×	38 0.2×	27	825
Guijie Zhu United States	29	860 1.1×	1.6k 2.2×	1.2k 3.1×	69 0.4×	74 0.5×	65	2.2k
Fu‐Yung Lin Taiwan	8	350 0.4×	189 0.3×	87 0.2×	59 0.3×	59 0.4×	8	477
Bernd Stanislawski Germany	21	220 0.3×	189 0.3×	738 1.9×	58 0.3×	37 0.2×	31	1000
Rangan Mallik United States	13	527 0.7×	347 0.5×	330 0.8×	52 0.3×	183 1.2×	14	787
Songyun Xu China	16	503 0.6×	964 1.4×	226 0.6×	327 1.9×	28 0.2×	24	1.3k

Countries citing papers authored by William Kopaciewicz

Since Specialization

Citations

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

Fields of papers citing papers by William Kopaciewicz

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by William Kopaciewicz. 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 William Kopaciewicz. The network helps show where William Kopaciewicz may publish in the future.

Co-authorship network of co-authors of William Kopaciewicz

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

All Works

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13 of 13 papers shown

Kopaciewicz, William, et al.. (1995). High velocity reversed-phase chromatography of proteins and peptides: use of conventional C18, 300 Å, 15 μm particles. Journal of Chromatography A. 690(1). 9–19. 8 indexed citations

Pfannkoch, Edward A., et al.. (1990). Aluminum ion mediated stabilization of silica-based anion-exchange packings to caustic regenerants. Journal of Chromatography A. 503. 385–401. 5 indexed citations

Kennedy, Laura, et al.. (1988). Chromatography of proteins on hydrophobic interaction and ion-exchange chromatographic matrices: mobile phase contributions to selectivity. Journal of Chromatography A. 443. 173–182. 48 indexed citations

Kopaciewicz, William, et al.. (1987). Influence of pore and particle size on the frontal uptake of proteins. Journal of Chromatography A. 409. 111–124. 40 indexed citations

Kopaciewicz, William & Fred E. Regnier. (1986). Synthesis of an adsorb reversed-phase packing material for the separation of proteins and peptides. Journal of Chromatography A. 358(1). 119–128. 8 indexed citations

Kopaciewicz, William & Fred E. Regnier. (1986). Synthesis of cation-exchange stationary phases using an adsorbed polymeric coating. Journal of Chromatography A. 358(1). 107–117. 24 indexed citations

Rounds, Mary Ann, William Kopaciewicz, & Fred E. Regnier. (1986). Factors contributing to intrinsic loading capacity in silica-based packing materials for preparative anion-exchange protein chromatography. Journal of Chromatography A. 362(2). 187–196. 28 indexed citations

Kennedy, Laura, William Kopaciewicz, & Fred E. Regnier. (1986). Multimodal liquid chromatography columns for the separation of proteins in either the anion-exchange or hydrophobic-interaction mode. Journal of Chromatography A. 359. 73–84. 107 indexed citations

Kopaciewicz, William, Mary Ann Rounds, & Fred E. Regnier. (1985). Stationary phase contributions to retention in high-performance anion-exchange protein chromatography: ligand density and mixed mode effects. Journal of Chromatography A. 318(2). 157–172. 89 indexed citations

10.

Kopaciewicz, William & Fred E. Regnier. (1983). A system for coupled multiple-column separation of proteins. Analytical Biochemistry. 129(2). 472–482. 13 indexed citations

11.

Kopaciewicz, William & Fred E. Regnier. (1983). Mobile phase selection for the high-performance ion-exchange chromatography of proteins. Analytical Biochemistry. 133(1). 251–259. 89 indexed citations

12.

Kopaciewicz, William, Mary Ann Rounds, Jodi Fausnaugh, & Fred E. Regnier. (1983). Retention model for high-performance ion-exchange chromatography. Journal of Chromatography A. 266. 3–21. 476 indexed citations breakdown →

13.

Kopaciewicz, William & Fred E. Regnier. (1982). Nonideal size-exclusion chromatography of proteins: Effects of pH at low ionic strength. Analytical Biochemistry. 126(1). 8–16. 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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