Geert‐Jan Witkamp

18.5k total citations · 7 hit papers
263 papers, 15.3k citations indexed

About

Geert‐Jan Witkamp is a scholar working on Biomedical Engineering, Water Science and Technology and Biomaterials. According to data from OpenAlex, Geert‐Jan Witkamp has authored 263 papers receiving a total of 15.3k indexed citations (citations by other indexed papers that have themselves been cited), including 75 papers in Biomedical Engineering, 52 papers in Water Science and Technology and 47 papers in Biomaterials. Recurrent topics in Geert‐Jan Witkamp's work include Calcium Carbonate Crystallization and Inhibition (41 papers), Phase Equilibria and Thermodynamics (39 papers) and Freezing and Crystallization Processes (39 papers). Geert‐Jan Witkamp is often cited by papers focused on Calcium Carbonate Crystallization and Inhibition (41 papers), Phase Equilibria and Thermodynamics (39 papers) and Freezing and Crystallization Processes (39 papers). Geert‐Jan Witkamp collaborates with scholars based in Netherlands, Saudi Arabia and Australia. Geert‐Jan Witkamp's co-authors include Robert Verpoorte, Young Hae Choi, Yuntao Dai, Jaap van Spronsen, Rob N.J. Comans, W.J.J. Huijgen, Mark C.M. van Loosdrecht, Leon Korving, Cor J. Peters and Prashanth Suresh Kumar and has published in prestigious journals such as SHILAP Revista de lepidopterología, Environmental Science & Technology and Analytical Chemistry.

In The Last Decade

Geert‐Jan Witkamp

262 papers receiving 15.0k citations

Hit Papers

Natural deep eutectic solvents as new potential media... 2005 2026 2012 2019 2013 2015 2011 2005 2013 500 1000 1.5k 2.0k
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. Natural deep eutectic solvents as new potential media for green technology
    2013 2.1k citations Yuntao Dai, Jaap van Spronsen et al. Analytica Chimica Acta profile →
  2. Tailoring properties of natural deep eutectic solvents with water to facilitate their applications
    2015 1.1k citations Yuntao Dai, Geert‐Jan Witkamp et al. profile →
  3. Are Natural Deep Eutectic Solvents the Missing Link in Understanding Cellular Metabolism and Physiology?
    2011 1.0k citations Young Hae Choi, Jaap van Spronsen et al. PLANT PHYSIOLOGY profile →
  4. Mineral CO2Sequestration by Steel Slag Carbonation
    2005 683 citations Geert‐Jan Witkamp et al. profile →
  5. Natural Deep Eutectic Solvents as a New Extraction Media for Phenolic Metabolites in Carthamus tinctorius L.
    2013 565 citations Yuntao Dai, Geert‐Jan Witkamp et al. profile →
  6. The Relevance of Phosphorus and Iron Chemistry to the Recovery of Phosphorus from Wastewater: A Review
    2015 471 citations Philipp Wilfert, Prashanth Suresh Kumar et al. profile →
  7. Ionic Liquids and Deep Eutectic Solvents in Natural Products Research: Mixtures of Solids as Extraction Solvents
    2013 403 citations Yuntao Dai, Jaap van Spronsen et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Geert‐Jan Witkamp Netherlands 54 4.8k 3.5k 2.2k 2.2k 2.1k 263 15.3k
Mohd Ali Hashim Malaysia 70 8.2k 1.7× 4.4k 1.3× 3.5k 1.6× 3.6k 1.7× 2.2k 1.0× 316 18.8k
Huizhou Liu China 66 1.4k 0.3× 3.7k 1.0× 3.4k 1.5× 3.5k 1.6× 1.3k 0.6× 464 16.5k
João G. Crespo Portugal 57 2.3k 0.5× 3.6k 1.0× 1.1k 0.5× 2.6k 1.2× 3.0k 1.4× 340 10.4k
Yeoung‐Sang Yun South Korea 65 1.9k 0.4× 3.2k 0.9× 4.1k 1.8× 3.0k 1.4× 8.1k 3.8× 260 18.0k
Mohamed Kheireddine Aroua Malaysia 69 1.8k 0.4× 9.8k 2.8× 2.5k 1.1× 6.3k 2.9× 3.9k 1.8× 328 18.8k
Mustafa Soylak Türkiye 105 1.6k 0.3× 3.2k 0.9× 3.3k 1.5× 4.3k 1.9× 7.2k 3.3× 862 36.5k
Grzegorz Boczkaj Poland 58 1.3k 0.3× 2.4k 0.7× 3.4k 1.5× 1.5k 0.7× 4.8k 2.3× 235 11.8k
Jingfu Liu China 70 1.6k 0.3× 4.0k 1.1× 6.2k 2.8× 901 0.4× 1.9k 0.9× 460 20.1k
Jianji Wang China 80 10.5k 2.2× 5.8k 1.7× 7.0k 3.2× 3.9k 1.8× 1.1k 0.5× 706 28.0k
Juan J. Rodrı́guez Spain 74 2.3k 0.5× 7.3k 2.1× 6.4k 2.9× 2.5k 1.1× 7.3k 3.4× 372 19.4k

Countries citing papers authored by Geert‐Jan Witkamp

Since Specialization
Citations

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

Fields of papers citing papers by Geert‐Jan Witkamp

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Geert‐Jan Witkamp. 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 Geert‐Jan Witkamp. The network helps show where Geert‐Jan Witkamp may publish in the future.

Co-authorship network of co-authors of Geert‐Jan Witkamp

This figure shows the co-authorship network connecting the top 25 collaborators of Geert‐Jan Witkamp. A scholar is included among the top collaborators of Geert‐Jan Witkamp 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 Geert‐Jan Witkamp. Geert‐Jan Witkamp 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.
Farinha, Andreia S.F., et al.. (2025). Optical coherence tomography for early detection, visualization and characterization of growth and deposition-driven scaling in reverse osmosis. Separation and Purification Technology. 378. 134664–134664. 1 indexed citations
2.
Wellman, Gordon B., Najeh M. Kharbatia, Andreia S.F. Farinha, et al.. (2024). Green extraction of pigment from astaxanthin-producing algae using natural deep eutectic solvents. Algal Research. 82. 103668–103668. 7 indexed citations
3.
Farinha, Andreia S.F., Yasser Al Wahedi, Ali Al Alili, et al.. (2024). A Super‐Hygroscopic Solar‐Regenerated Alginate‐Based Composite for Atmospheric Water Harvesting. Small. 20(37). e2400420–e2400420. 21 indexed citations
4.
Kumari, Priyanka, Ying Shi Chang, Geert‐Jan Witkamp, et al.. (2024). Brine valorization through resource mining and CO2 utilization in the Middle East – A perspective. Desalination. 582. 117598–117598. 10 indexed citations
5.
Prot, Thomas, Vivi Nguyen, Philipp Wilfert, et al.. (2019). Magnetic separation and characterization of vivianite from digested sewage sludge. Separation and Purification Technology. 224. 564–579. 85 indexed citations
6.
Yu, Miao, Stefan Romeijn, Hayley A. Every, et al.. (2019). The Investigation of Protein Diffusion via H-Cell Microfluidics. Biophysical Journal. 116(4). 595–609. 23 indexed citations
7.
Kumar, Prashanth Suresh, Leon Korving, A. Iulian Dugulan, et al.. (2018). Understanding and improving the reusability of phosphate adsorbents for wastewater effluent polishing. Water Research. 145. 365–374. 69 indexed citations
8.
Ogundiran, Mary B., Henk Nugteren, & Geert‐Jan Witkamp. (2016). Geopolymerisation of fly ashes with waste aluminium anodising etching solutions. Journal of Environmental Management. 181. 118–123. 22 indexed citations
9.
Dai, Yuntao, Jaap van Spronsen, Geert‐Jan Witkamp, Robert Verpoorte, & Young Hae Choi. (2013). Natural deep eutectic solvents as new potential media for green technology. Analytica Chimica Acta. 766. 61–68. 2072 indexed citations breakdown →
10.
Kleerebezem, Robbert, et al.. (2013). Mineral CO2 sequestration by environmental biotechnological processes. Trends in biotechnology. 31(3). 139–146. 41 indexed citations
11.
Kennedy, Maria D., et al.. (2012). On the induction time of CaCO3: effect of ionic strength. Desalination and Water Treatment. 39(1-3). 55–69. 2 indexed citations
12.
Choi, Young Hae, Jaap van Spronsen, Yuntao Dai, et al.. (2011). Are Natural Deep Eutectic Solvents the Missing Link in Understanding Cellular Metabolism and Physiology?. PLANT PHYSIOLOGY. 156(4). 1701–1705. 1027 indexed citations breakdown →
13.
Boels, L., Taina Tervahauta, & Geert‐Jan Witkamp. (2010). Adsorptive removal of nitrilotris(methylenephosphonic acid) antiscalant from membrane concentrates by iron-coated waste filtration sand. Journal of Hazardous Materials. 182(1-3). 855–862. 36 indexed citations
14.
Fratila‐Apachitei, Lidy E., et al.. (2009). Release of PLGA–encapsulated dexamethasone from microsphere loaded porous surfaces. Journal of Materials Science Materials in Medicine. 21(1). 215–221. 25 indexed citations
15.
Bouchard, Andréanne, Nataša Jovanović, Arthur DeBoer, et al.. (2008). Effect of the spraying conditions and nozzle design on the shape and size distribution of particles obtained with supercritical fluid drying. European Journal of Pharmaceutics and Biopharmaceutics. 70(1). 389–401. 16 indexed citations
16.
Ottens, Marcel, et al.. (2007). A method for lipase co-precipitation in a biodegradable protein matrix. Biotechnology and Bioengineering. 98(6). 1209–1218. 5 indexed citations
17.
Roosmalen, M.J.E. van, et al.. (2000). Extraktion von Schwermetallen aus sandigen Böden und Flugaschen mit überkritischem CO2 und organischen Extraktanten. Chemie Ingenieur Technik. 72(9). 1122–1123. 1 indexed citations
18.
Hofland, Gerard W., et al.. (2000). Isoelectric precipitation of soybean protein using carbon dioxide as a volatile acid. Journal of Chromatography B Biomedical Sciences and Applications. 743(1-2). 357–368. 46 indexed citations
19.
Kralj, Damir, et al.. (1996). SELECTIVE DISSOLUTION OF COPPER OXALATE USING SUPPORTED LIQUID MEMBRANES. Solvent Extraction and Ion Exchange. 14(4). 705–720. 9 indexed citations
20.
Witkamp, Geert‐Jan, et al.. (1994). DISSOLUTION KINETICS OF PHOSPHATE ORE IN ACIDIC SOLUTIONS. Chinese Journal of Chemical Engineering. 2(2). 72–81. 1 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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