Udo H. Verkerk

2.1k total citations · 1 hit paper
38 papers, 1.7k citations indexed

About

Udo H. Verkerk is a scholar working on Spectroscopy, Atomic and Molecular Physics, and Optics and Organic Chemistry. According to data from OpenAlex, Udo H. Verkerk has authored 38 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 29 papers in Spectroscopy, 9 papers in Atomic and Molecular Physics, and Optics and 8 papers in Organic Chemistry. Recurrent topics in Udo H. Verkerk's work include Mass Spectrometry Techniques and Applications (27 papers), Analytical Chemistry and Chromatography (16 papers) and Molecular Sensors and Ion Detection (6 papers). Udo H. Verkerk is often cited by papers focused on Mass Spectrometry Techniques and Applications (27 papers), Analytical Chemistry and Chromatography (16 papers) and Molecular Sensors and Ion Detection (6 papers). Udo H. Verkerk collaborates with scholars based in Canada, Netherlands and United States. Udo H. Verkerk's co-authors include P. Kebarle, Michael Peschke, K. W. Michael Siu, Alan C. Hopkinson, Junfang Zhao, Jos Oomens, Chi‐Kit Siu, David N. Reinhoudt, Jeffrey D. Steill and Zbigniew Brzózka and has published in prestigious journals such as Journal of the American Chemical Society, Angewandte Chemie International Edition and Analytical Chemistry.

In The Last Decade

Udo H. Verkerk

38 papers receiving 1.7k citations

Hit Papers

Electrospray: From ions in solution to ions in the gas ph... 2009 2026 2014 2020 2009 200 400 600
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. Electrospray: From ions in solution to ions in the gas phase, what we know now
    2009 661 citations P. Kebarle, Udo H. Verkerk Mass Spectrometry Reviews profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Udo H. Verkerk Canada 20 1.2k 462 384 263 195 38 1.7k
Talat Yalçın Canada 23 1.6k 1.3× 564 1.2× 163 0.4× 157 0.6× 188 1.0× 49 2.1k
Laura M. Matz United States 17 1.6k 1.3× 543 1.2× 152 0.4× 377 1.4× 58 0.3× 24 2.0k
Abraham K. Badu‐Tawiah United States 30 1.7k 1.4× 661 1.4× 296 0.8× 1.1k 4.1× 60 0.3× 95 2.6k
Ute Pyell Germany 26 973 0.8× 230 0.5× 119 0.3× 1.4k 5.2× 62 0.3× 92 1.9k
Roel H. Fokkens Netherlands 24 752 0.6× 420 0.9× 88 0.2× 140 0.5× 196 1.0× 81 1.7k
S. A. Pshenichnyuk Russia 21 409 0.3× 115 0.2× 228 0.6× 59 0.2× 454 2.3× 116 1.2k
C. H. Lochmüller United States 26 1.7k 1.4× 351 0.8× 101 0.3× 850 3.2× 81 0.4× 94 2.2k

Countries citing papers authored by Udo H. Verkerk

Since Specialization
Citations

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

Fields of papers citing papers by Udo H. Verkerk

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Udo H. Verkerk. 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 Udo H. Verkerk. The network helps show where Udo H. Verkerk may publish in the future.

Co-authorship network of co-authors of Udo H. Verkerk

This figure shows the co-authorship network connecting the top 25 collaborators of Udo H. Verkerk. A scholar is included among the top collaborators of Udo H. Verkerk 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 Udo H. Verkerk. Udo H. Verkerk 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.
Dunbar, Robert C., Jos Oomens, Giel Berden, et al.. (2013). Metal Ion Complexes with HisGly: Comparison with PhePhe and PheGly. The Journal of Physical Chemistry A. 117(25). 5335–5343. 32 indexed citations
2.
Zhao, Junfang, Justin Kai‐Chi Lau, Udo H. Verkerk, et al.. (2013). Structures of an* Ions Derived from Protonated Pentaglycine and Pentaalanine: Results from IRMPD Spectroscopy and DFT Calculations. Journal of the American Society for Mass Spectrometry. 24(12). 1957–1968. 12 indexed citations
3.
Lau, Justin Kai‐Chi, Junfang Zhao, Udo H. Verkerk, et al.. (2012). Fragmentations of protonated cyclic-glycylglycine and cyclic-alanylalanine. International Journal of Mass Spectrometry. 316-318. 199–205. 14 indexed citations
4.
Campbell, J. Larry, et al.. (2011). Performance and Attributes of Liquid Chromatography–Mass Spectrometry with Targeted Charge Separation in Quantitative Analysis of Therapeutic Peptides. Journal of the American Society for Mass Spectrometry. 22(1). 67–74. 7 indexed citations
5.
Verkerk, Udo H., Chi‐Kit Siu, Jeffrey D. Steill, et al.. (2010). a2 Ion Derived from Triglycine: An N1-Protonated 4-Imidazolidinone. The Journal of Physical Chemistry Letters. 1(5). 868–872. 40 indexed citations
6.
7.
Blanc, J. C. Yves Le, et al.. (2010). Ultraviolet photodissociation of protonated pharmaceuticals in a pressurized linear quadrupole ion trap. Rapid Communications in Mass Spectrometry. 24(15). 2262–2268. 5 indexed citations
8.
Siu, Chi‐Kit, et al.. (2010). Bond Dissociation Energies of Solvated Silver(I)−Amide Complexes: Competitive Threshold Collision-Induced Dissociations and Calculations. The Journal of Physical Chemistry A. 114(26). 6964–6971. 19 indexed citations
9.
Kebarle, P. & Udo H. Verkerk. (2009). Electrospray: From ions in solution to ions in the gas phase, what we know now. Mass Spectrometry Reviews. 28(6). 898–917. 661 indexed citations breakdown →
10.
Verkerk, Udo H., et al.. (2009). Threshold Collision-Induced Dissociation Measurements Using a Ring Ion Guide as the Collision Cell in a Triple-Quadrupole Mass Spectrometer. Analytical Chemistry. 81(16). 6805–6812. 7 indexed citations
11.
Dunbar, Robert C., Alan C. Hopkinson, Jos Oomens, et al.. (2009). Conformation Switching in Gas-Phase Complexes of Histidine with Alkaline Earth Ions. The Journal of Physical Chemistry B. 113(30). 10403–10408. 62 indexed citations
12.
Steill, Jeffrey D., Junfang Zhao, Chi‐Kit Siu, et al.. (2008). Structure of the Observable Histidine Radical Cation in the Gas Phase: A Captodative α‐Radical Ion. Angewandte Chemie International Edition. 47(50). 9666–9668. 55 indexed citations
13.
Risoli, Antonella, Udo H. Verkerk, Junfang Zhao, et al.. (2007). Gas‐phase fragmentation of protonated benzodiazepines. Rapid Communications in Mass Spectrometry. 21(14). 2273–2281. 16 indexed citations
14.
Ke, Yuyong, Junfang Zhao, Udo H. Verkerk, Alan C. Hopkinson, & K. W. Michael Siu. (2007). Histidine, Lysine, and Arginine Radical Cations:  Isomer Control via the Choice of Auxiliary Ligand (L) in the Dissociation of [CuII(L)(amino acid)]•2+ Complexes. The Journal of Physical Chemistry B. 111(51). 14318–14328. 36 indexed citations
15.
Peschke, Michael, Udo H. Verkerk, & P. Kebarle. (2004). Prediction of the Charge States of Folded Proteins in Electrospray Ionization. European Journal of Mass Spectrometry. 10(6). 993–1002. 14 indexed citations
16.
17.
Verkerk, Udo H., Michael Peschke, & P. Kebarle. (2003). Effect of buffer cations and of H3O+ on the charge states of native proteins. Significance to determinations of stability constants of protein complexes. Journal of Mass Spectrometry. 38(6). 618–631. 53 indexed citations
18.
Verkerk, Udo H., M. Fujita, Trevor L. Dzwiniel, Robert McDonald, & Jeffrey M. Stryker. (2002). Tetrakis(2-hydroxyphenyl)ethene and Derivatives. A Structurally Preorganized Tetradentate Ligand System for Polymetallic Coordination Chemistry and Catalysis. Journal of the American Chemical Society. 124(34). 9988–9989. 25 indexed citations
19.
Verkerk, Udo H., et al.. (1993). Development of chemically modified ISFETs as durable sensors for continuous flow measurements. Sensors and Actuators B Chemical. 13(1-3). 221–225. 8 indexed citations
20.
Maanen, J.M.S. van, Udo H. Verkerk, M.V.M. Lafleur, et al.. (1988). Semi-Quinone Formation from the Catechol and Ortho-Quinone Metabolites of the Antitumor Agent VP-16–213. Free Radical Research Communications. 4(6). 371–384. 26 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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