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Dr. B.W.J. (Bob) Pirok

Faculteit der Natuurwetenschappen, Wiskunde en Informatica
Van 't Hoff Institute for Molecular Sciences
Fotograaf: Yunfu Duan

  • Science Park 904
  • Kamernummer: C2.258
  • Postbus 94157
    1090 GD Amsterdam
  • Publicaties


    • den Uijl, M. J., Lokker, A., van Dooren, B., Schoenmakers, P. J., Pirok, B. W. J., & van Bommel, M. R. (2022). Comparing different light-degradation approaches for the degradation of crystal violet and eosin Y. Dyes and Pigments, 197, [109882]. https://doi.org/10.1016/j.dyepig.2021.109882


    • Bos, T. S., Niezen, L. E., den Uijl, M. J., Molenaar, S. R. A., Lege, S., Schoenmakers, P. J., Somsen, G. W., & Pirok, B. W. J. (2021). Reducing the influence of geometry-induced gradient deformation in liquid chromatographic retention modelling. Journal of Chromatography A, 1635, [461714]. https://doi.org/10.1016/j.chroma.2020.461714 [details]
    • Knol, W. C., Pirok, B. W. J., & Peters, R. A. H. (2021). Detection challenges in quantitative polymer analysis by liquid chromatography. Journal of Separation Science, 44(1), 63-87. https://doi.org/10.1002/jssc.202000768 [details]
    • Lazaridi, E., Janssen, H-G., Vincken, J-P., Pirok, B., & Hennebelle, M. (2021). A comprehensive two-dimensional liquid chromatography method for the simultaneous separation of lipid species and their oxidation products. Journal of Chromatography A, 1644. https://doi.org/10.1016/j.chroma.2021.462106
    • Molenaar, S. R. A., Dahlseid, T. A., Leme, G. M., Stoll, D. R., Schoenmakers, P. J., & Pirok, B. W. J. (2021). Peak-tracking algorithm for use in comprehensive two-dimensional liquid chromatography-Application to monoclonal-antibody peptides. Journal of Chromatography A, 1639. https://doi.org/10.1016/j.chroma.2021.461922
    • Pirok, B. W. J., Mengerink, Y., & Peters, R. A. H. (2021). Molecular Correlative Material Characterization: Advantages for Polymer Analysis Using Liquid Chromatography. LC GC Europe, 34(5), 172-180.
    • Samanipour, S., Choi, P., O'Brien, J. W., Pirok, B. W. J., Reid, M. J., & Thomas V, K. (2021). From Centroided to Profile Mode: Machine Learning for Prediction of Peak Width in HRMS Data. Analytical Chemistry. https://pubs.acs.org/doi/pdf/10.1021/acs.analchem.1c03755
    • den Uijl, M. J., Schoenmakers, P. J., Pirok, B. W. J., & van Bommel, M. R. (2021). Recent applications of retention modelling in liquid chromatography. Journal of Separation Science, 44(1), 88-114. https://doi.org/10.1002/jssc.202000905 [details]
    • den Uijl, M. J., Schoenmakers, P. J., Schulte, G., Stoll, D. R., van Bommel, M. R., & Pirok, B. W. J. (2021). Measuring and using scanning-gradient data for use in method optimization for liquid chromatography. Journal of Chromatography A, 1636, [461780]. https://doi.org/10.1016/j.chroma.2020.461780


    • Aly, A. A., Muller, M., de Villiers, A., Pirok, B. W. J., & Górecki, T. (2020). Parallel gradients in comprehensive multidimensional liquid chromatography enhance utilization of the separation space and the degree of orthogonality when the separation mechanisms are correlated. Journal of Chromatography A, 1628, [461452]. https://doi.org/10.1016/j.chroma.2020.461452 [details]
    • Bos, T. S., Knol, W. C., Molenaar, S. R. A., Niezen, L. E., Schoenmakers, P. J., Somsen, G. W., & Pirok, B. W. J. (2020). Recent applications of chemometrics in one- and two-dimensional chromatography. Journal of Separation Science, 43(9-10), 1678-1727. https://doi.org/10.1002/jssc.202000011 [details]
    • van Herwerden, D., Pirok, B. W. J., & Schoenmakers, P. J. (2020). Liquid Chromatography: Applications for the Oil and Gas Industry. In M. N. Dunkle, & W. L. Winniford (Eds.), Analytical Techniques in the Oil and Gas Industry for Environmental Monitoring (pp. 225-258). Wiley. https://doi.org/10.1002/9781119523314.ch5 [details]




    • Pirok, B. W. J., Abdulhussain, N., Aalbers, T., Wouters, B., Peters, R. A. H., & Schoenmakers, P. J. (2017). Nanoparticle Analysis by Online Comprehensive Two-Dimensional Liquid Chromatography combining Hydrodynamic Chromatography and Size-Exclusion Chromatography with Intermediate Sample Transformation. Analytical Chemistry, 89(17), 9167-9174. https://doi.org/10.1021/acs.analchem.7b01906 [details]
    • Pirok, B. W. J., Breuer, P., Hoppe, S. J. M., Chitty, M., Welch, E., Farkas, T., van der Wal, S., Peters, R., & Schoenmakers, P. J. (2017). Size-exclusion chromatography using core-shell particles. Journal of Chromatography A, 1486, 96-102. https://doi.org/10.1016/j.chroma.2016.12.015 [details]
    • Pirok, B. W. J., Molenaar, S. R. A., van Outersterp, R. E., & Schoenmakers, P. J. (2017). Applicability of retention modelling in hydrophilic-interaction liquid chromatography for algorithmic optimization programs with gradient-scanning techniques. Journal of Chromatography A, 1530, 104-111. https://doi.org/10.1016/j.chroma.2017.11.017 [details]



    • den Uijl, M. J., Mai, D. X., Eskildsen, C. E. A., de Voogt, P., Pirok, B. W. J., Schoenmakers, P. J., & van Bommel, M. R. (2020). Mapping degradation pathways of pharmaceuticals in advanced oxidation with liquid chromatography - UV/MS. Poster session presented at SETAC SciCon, .
    • den Uijl, M. J., Schoenmakers, P. J., Schulte, G. K., Stoll, D. R., van Bommel, M. R., & Pirok, B. W. J. (2020). Measuring and using scanning-gradient data for LC. Poster session presented at CHAINS 2020, .


    • den Uijl, M. J., Groeneveld, I., Pirok, B. W. J., Ariese, F., Somsen, G. W., Schoenmakers, P. J., & van Bommel, M. R. (2019). Toolbox for studying the chemistry of light induced degradation (TOOCOLD): towards an online degradation system. Poster session presented at HPLC 2019, Milan, Italy.
    • den Uijl, M. J., Pirok, B. W. J., de Voogt, W. P., Schoenmakers, P. J., & van Bommel, M. R. (2019). Mapping degradation pathways in advanced oxidation processes with two-dimensional liquid chromatography with an online light-degradation system. Poster session presented at SETAC Europe 29th annual meeting, Helsinki, Finland.


    • Berbers, S., Pirok, B. W. J., Moro, G., Croes, C., Knip, J., Meekel, N., ... Schoenmakers, P. J. (2018). Natural and Synthetic Dye Characterization by Comprehensive Two Dimensional Liquid Chromatography. Poster session presented at Gordon Research Conference on Scientific Methods in Cultural Heritage Research, Barcelona, Spain.


    • van Asten, A., Peters, R., Schoenmakers, P. & Pirok, B. (2020). NWO funding for PARADISE.
    • Pirok, B. (2019). Tenure track position for analytical chemist Bob Pirok.
    • Pirok, B. W. J. (2018). Journal of Chromatography A Young Scientist Award.
    • Pirok, B. (2017). Csaba Horváth Award.
    • Pirok, B. (2015). Shimadzu Young Scientist Award.



    • Pirok, B. (speaker) (7-11-2019). Using 2D-LC: from small molecules to large particles, Discussiegroep Scheidingsmethoden voor Polymeren Symposium Herfst 2019, Breda.
    • Pirok, B. (speaker) (29-10-2019). Opportunities for Robust Application of Two-dimensional Liquid Chromatography, Chromatographic Society Multi-dimensional Chromatography Symposium, Bracknell.
    • Pirok, B. (speaker) (26-6-2019). Opportunities in Two-dimensional Liquid Chromatography through PARADISE, Agilent University Relations Fair 2019, Waldbronn.
    • Pirok, B. (speaker) (21-5-2019). 2D-LC: From data analysis to method development, Forum for Analytical Science and Technology, Veldhoven.
    • Pirok, B. (speaker) (2019). Computer-optimized LC×LC-MS for the Characterization of 17th-century Cultural Heritage Objects, 48th International Symposium on High-Performance-Liquid-Phase Separations and Related Techniques, Milan.
    • Pirok, B. (speaker) (2019). Peak Tracking for Multi-dimensional Chromatography, 12th Balaton Symposium on High-Performance Separation Methods, Balaton.
    • Pirok, B. (speaker) (2019). Analysis of Polymeric Particles, 9th International Symposium on the Separation and Characterization of Natural and Synthetic Macromolecules, Amsterdam.
    • Pirok, B. (speaker) (2019). Enhancing method development using peak-tracking algorithms to rapidly interpret data, 49th International Symposium on High Performance Liquid Phase Separations and Related Techniques, Kyoto.
    • Pirok, B. (speaker) (2019). Rapid and Effective Implementation of Comprehensive 2D-LC for 'Impossible' Separations, The Pittsburgh Conference on Analytical Chemistry and Applied Spectroscopy, Philadelphia.
    • Groeneveld, I. (speaker), Pirok, B. (speaker), Schoenmakers, P. (speaker) & van Bommel, M. (speaker) (25-10-2018). One size fits all – one method for the simultaneous analysis of natural and synthetic dyes by UHPLC-PDA (optimised by PIOTR), Dyes in History and Archaeology, Lisbon.
    • Pirok, B. (speaker), Moro, G. (speaker), Meekel, N. (speaker), Berbers, S. (speaker), Schoenmakers, P. (speaker) & van Bommel, M. (speaker) (25-10-2018). Mapping degradation pathways of natural and synthetic dyes with LC-MS: influence of solvent on the degradation of eosin and carminic acid, Dyes in History and Archaeology, Lisbon.
    • Pirok, B. W. J. (speaker) (3-10-2017). Nanoparticle Analysis by Actively Modulated HDC×SEC with Intermediate Sample Transformation, Labtechnology Conference 2017, Utrecht.


    • Pirok, B. W. J. (2019). Making ANalytically Incompatible Approaches Compatible. [details]
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  • Nevenwerkzaamheden
    • Gustavus Adolphus College
      Visiting Research Professor