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R. (Rick) Helmus MSc

Laboratory Technician
Faculteit der Natuurwetenschappen, Wiskunde en Informatica
Institute for Biodiversity and Ecosystem Dynamics
Fotograaf: Jan van Arkel

Bezoekadres
  • Science Park 904
  • Kamernummer: C3.222
Postadres
  • Postbus 94240
    1090 GE Amsterdam
  • Publicaties

    2022

    • Helmus, R., van de Velde, B., Brunner, A. M., ter Laak, T. L., van Wezel, A. P., & Schymanski, E. L. (2022). patRoon 2.0: Improved non-target analysis workflows including automated transformation product screening. The Journal of Open Source Software, 7(71), [4029]. https://doi.org/10.21105/joss.04029 [details]

    2021

    2020

    • Albergamo, V., Escher, B. I., Schymanski, E. L., Helmus, R., Dingemans, M. M. L., Cornelissen, E. R., Kraak, M. H. S., Hollender, J., & de Voogt, P. (2020). Evaluation of reverse osmosis drinking water treatment of riverbank filtrate using bioanalytical tools and non-target screening. Environmental Science: Water Research and Technology, 6(1), 103-116. https://doi.org/10.1039/c9ew00741e [details]
    • Brock, O., Helmus, R., Kalbitz, K., & Jansen, B. (2020). Non-target screening of leaf litter-derived dissolved organic matter using liquid chromatography coupled to high-resolution mass spectrometry (LC-QTOF-MS). European Journal of Soil Science, 71(3), 420-432. https://doi.org/10.1111/ejss.12894 [details]
    • Collet, B., van Vugt-Lussenburg, B. M. A., Swart, K., Helmus, R., Naderman, M., de Rijke, E., Eggesbø, M., Brouwer, A., & van der Burg, B. (2020). Antagonistic activity towards the androgen receptor independent from natural sex hormones in human milk samples from the Norwegian HUMIS cohort. Environment International, 143, [105948]. https://doi.org/10.1016/j.envint.2020.105948 [details]
    • García-Jaramillo, M., Trippe, K. M., Helmus, R., Knicker, H. E., Cox, L., Hermosín, M. C., Parsons, J. R., & Kalbitz, K. (2020). An examination of the role of biochar and biochar water-extractable substances on the sorption of ionizable herbicides in rice paddy soils. Science of the Total Environment, 706, [135682]. https://doi.org/10.1016/j.scitotenv.2019.135682 [details]
    • Poursat, B. A. J., van Spanning, R. J. M., Braster, M., Helmus, R., de Voogt, P., & Parsons, J. R. (2020). Long-term exposure of activated sludge in chemostats leads to changes in microbial communities composition and enhanced biodegradation of 4-chloroaniline and N-methylpiperazine. Chemosphere, 242, [125102]. https://doi.org/10.1016/j.chemosphere.2019.125102 [details]
    • Van Leeuwen, J. A., Hartog, N., Gerritse, J., Gallacher, C., Helmus, R., Brock, O., Parsons, J. R., & Hassanizadeh, S. M. (2020). The dissolution and microbial degradation of mobile aromatic hydrocarbons from a Pintsch gas tar DNAPL source zone. Science of the Total Environment, 722, [137797]. https://doi.org/10.1016/j.scitotenv.2020.137797 [details]
    • Wagner, T. V., Helmus, R., Becker, E., Rijnaarts, H. H. M., de Voogt, P., Langenhoff, A. A. M., & Parsons, J. R. (2020). Impact of transformation, photodegradation and interaction with glutaraldehyde on the acute toxicity of the biocide DBNPA in cooling tower water. Environmental Science: Water Research and Technology, 6(4), 1058-1068. https://doi.org/10.1039/c9ew01018a [details]
    • Wagner, T. V., Helmus, R., Quiton Tapia, S., Rijnaarts, H. H. M., de Voogt, P., Langenhoff, A. A. M., & Parsons, J. R. (2020). Non-target screening reveals the mechanisms responsible for the antagonistic inhibiting effect of the biocides DBNPA and glutaraldehyde on benzoic acid degradation. Journal of Hazardous Materials, 386, [121661]. https://doi.org/10.1016/j.jhazmat.2019.121661 [details]

    2019

    2018

    2017

    • Ballesteros-Gómez, A., Ballesteros, J., Ortiz, X., Jonker, W., Helmus, R., Jobst, K. J., Parsons, J. R., & Reiner, E. J. (2017). Identification of Novel Brominated Compounds in Flame Retarded Plastics Containing TBBPA by Combining Isotope Pattern and Mass Defect Cluster Analysis. Environmental Science and Technology, 51(3), 1518–1526. https://doi.org/10.1021/acs.est.6b03294 [details]
    • Carboni, A., Helmus, R., Parsons, J. R., Kalbitz, K., & de Voogt, P. (2017). Incubation of solid state C60 fullerene under UV irradiation mimicking environmentally relevant conditions. Chemosphere, 175, 1-7. https://doi.org/10.1016/j.chemosphere.2017.01.149 [details]
    • Egea, T. C., da Silva, R., Boscolo, M., Rigonato, J., Monteiro, D. A., Grünig, D., da Silva, H., van der Wielen, F., Helmus, R., Parsons, J. R., & Gomes, E. (2017). Diuron degradation by bacteria from soil of sugarcane crops. Heliyon, 3(12), [e00471]. https://doi.org/10.1016/j.heliyon.2017.e00471 [details]
    • Gao, J., Jansen, B., Cerli, C., Helmus, R., Mikutta, R., Dultz, S., Guggenberger, G., & Kalbitz, K. (2017). Competition and surface conditioning alter the adsorption of phenolic and amino acids on soil minerals. European Journal of Soil Science, 68(5), 667-677. https://doi.org/10.1111/ejss.12459 [details]
    • Sammut, G., Sinagra, E., Helmus, R., & de Voogt, P. (2017). Perfluoroalkyl substances in the Maltese Environment - (I) Surface water and rain water. Science of the Total Environment, 589, 182-190. https://doi.org/10.1016/j.scitotenv.2017.02.128 [details]

    2016

    2015

    • Lavtižar, V., Helmus, R., Kools, S. A. E., Dolenc, D., van Gestel, C. A. M., Trebše, P., Waaijers, S. L., & Kraak, M. H. S. (2015). Daphnid life cycle responses to the insecticide chlorantraniliprole and its transformation products. Environmental Science and Technology, 49(6), 3922-3929. https://doi.org/10.1021/es506007q [details]

    2014

    • Jurgens, S. S., Helmus, R., Waaijers, S. L., Uittenbogaard, D., Dunnebier, D., Vleugel, M., Kraak, M. H. S., de Voogt, P., & Parsons, J. R. (2014). Mineralisation and primary biodegradation of aromatic organophosphorus flame retardants in activated sludge. Chemosphere, 111, 238-242. https://doi.org/10.1016/j.chemosphere.2014.04.016 [details]

    2013

    • Waaijers, S. L., Hartmann, J., Soeter, A. M., Helmus, R., Kools, S. A. E., de Voogt, P., Admiraal, W., Parsons, J. R., & Kraak, M. H. S. (2013). Toxicity of new generation flame retardants to Daphnia magna. Science of the Total Environment, 463-464, 1042-1048. https://doi.org/10.1016/j.scitotenv.2013.06.110 [details]

    2018

    • Albergamo, V., Schollee, J., Schymanski, E., Helmus, R., Hollender, J., & de Voogt, P. (2018). Detecting polar micropollutants in a river-riverbank filtrate using non-target screening. Abstracts of papers of the American Chemical Society, 255.
    • Carboni, A., Helmus, R., de Voogt, P., Kalbitz, K., & Parsons, J. (2018). Degradation of solid state C60 fullerene by UV irradiation under environmentally relevant conditions. Abstracts of papers of the American Chemical Society, 255.
    • Poursat, B., Braster, M., Helmus, R., van Spanning, R., de Voogt, P., & Parsons, J. (2018). Adaptation of microbial communities to emerging pollutants in chemostat systems. Abstracts of papers of the American Chemical Society, 255.

    2011

    • de Voogt, P., Emke, E., Helmus, R., Panteliadis, P., & van Leerdam, J. A. (2011). Determination of illicit drugs in the water cycle by LC-Orbitrap MS. In S. Castiglioni, E. Zuccato, & R. Fanelli (Eds.), Illicit drugs in the environment: occurrence, analysis, and fate using mass spectrometry (pp. 87-114). (Wiley-Interscience Series on Mass Spectrometry). Wiley. https://doi.org/10.1002/9781118000816.ch5 [details]

    2011

    2021

    • Helmus, R., van de Velde, B., ter Laak, T. L., & Schymanski, E. L. (2021). patRoon 2.0: Comprehensive non-target screening workflows including automated transformation product screening and other major improvements. Abstract from International Conference on Non-Target Screening, Erding, Bavaria, Germany.

    2019

    • Helmus, R., Schymanski, E. L., ter Laak, T. L., & de Voogt, W. P. (2019). Open source software platform for mass spectrometry based non-target screening in the environment. Poster session presented at Metabolomics 2019, Den Haag, Netherlands.

    2014

    • Jurgens, S., Waaijers, S. L., Helmus, R., Kraak, M. H. S., Admiraal, W., de Voogt, P., & Parsons, J. R. (2014). Mineralisation and biodegradation of aromatic organophosphorus flame retardants. Poster session presented at SETAC Europe 24th Annual Meeting, 11-15 May 2014, Basel.

    2013

    2012

    Spreker

    • Helmus, R. (speaker) (4-10-2021). patRoon 2.0: Comprehensive NTA workflows with automated transformation product screening and other major improvements, International Conference on Non-Target Screening, Erding.
    • Helmus, R. (speaker) (21-4-2021). patRoon: open source software platform for mass spectrometry based non-target screening in the environment, Oregon State University.
    • Helmus, R. (speaker) (3-5-2020). patRoon: Open-Source Software Platform for Environmental Non-Target Studies, SETAC SciCon.

    2022

    • Narain-Ford, D., van Wezel, A., Helmus, R. , Dekker, S. & Bartholomeus, R. (3-5-2022). Data for "Soil self-cleaning capacity: Removal of organic compounds during sub-surface irrigation". Mendeley Data. https://doi.org/10.17632/4x77nynfnx.1

    2021

    • Helmus, R. , van de Velde, B., Brunner, A. M., ter Laak, T., van Wezel, A. & Schymanski, E. L. (3-12-2021). patRoon 2.0. Zenodo. https://doi.org/10.5281/zenodo.5752071
    • Helmus, R. , Absalah, S. & Narain-Ford, D. (23-11-2021). patRoonData 2.0. Zenodo. https://doi.org/10.5281/zenodo.5721322
    • van Wezel, A. P., ter Laak, T. L., Helmus, R., Schymanski, E. L. & de Voogt, P. (1-1-2021). Additional file 1 of patRoon: open source software platform for environmental mass spectrometry based non-target screening. figshare Academic Research System. https://doi.org/10.6084/m9.figshare.13535189.v1
    • ter Laak, T. L., de Voogt, P., Helmus, R., Schymanski, E. L. & van Wezel, A. P. (1-1-2021). Additional file 3 of patRoon: open source software platform for environmental mass spectrometry based non-target screening. figshare Academic Research System. https://doi.org/10.6084/m9.figshare.13535195.v1
    • de Voogt, P., Schymanski, E. L., van Wezel, A. P., Helmus, R. & ter Laak, T. L. (1-1-2021). Additional file 2 of patRoon: open source software platform for environmental mass spectrometry based non-target screening. figshare Academic Research System. https://doi.org/10.6084/m9.figshare.13535192.v1
    • van Wezel, A. P., Helmus, R., Schymanski, E. L., de Voogt, P. & ter Laak, T. L. (1-1-2021). Additional file 6 of patRoon: open source software platform for environmental mass spectrometry based non-target screening. figshare Academic Research System. https://doi.org/10.6084/m9.figshare.13535204.v1
    • van Wezel, A. P., ter Laak, T. L., Helmus, R., de Voogt, P. & Schymanski, E. L. (1-1-2021). patRoon: open source software platform for environmental mass spectrometry based non-target screening. figshare Academic Research System. https://doi.org/10.6084/m9.figshare.c.5259674.v1
    • ter Laak, T. L., Helmus, R., de Voogt, P., van Wezel, A. P. & Schymanski, E. L. (1-1-2021). Additional file 4 of patRoon: open source software platform for environmental mass spectrometry based non-target screening. figshare Academic Research System. https://doi.org/10.6084/m9.figshare.13535198.v1
    • de Voogt, P., ter Laak, T. L., van Wezel, A. P., Schymanski, E. L. & Helmus, R. (1-1-2021). Additional file 5 of patRoon: open source software platform for environmental mass spectrometry based non-target screening. figshare Academic Research System. https://doi.org/10.6084/m9.figshare.13535201.v1

    2020

    2019

    • Albergamo, V., De Voogt, P., Hollender, J., Schymanski, E. L., Timmer, H., Helmus, R. & Scholl?e, J. E. (1-1-2019). List of (tentatively) identified non-target structures. Zenodo. https://doi.org/10.5281/zenodo.3246770
    This list of publications is extracted from the UvA-Current Research Information System. Questions? Ask the library or the Pure staff of your faculty / institute. Log in to Pure to edit your publications. Log in to Personal Page Publication Selection tool to manage the visibility of your publications on this list.
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