Rick Helmus
Rick Helmus
Research technician and PhD candidate, University of Amsterdam
E-mail confirmado em uva.nl - Página inicial
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Toxicity of new generation flame retardants to Daphnia magna
SL Waaijers, J Hartmann, AM Soeter, R Helmus, SAE Kools, P de Voogt, ...
Science of the Total Environment 463, 1042-1048, 2013
622013
High resolution mass spectrometry of polyfluorinated polyether-based formulation
IK Dimzon, X Trier, T Frömel, R Helmus, TP Knepper, P de Voogt
Journal of the American Society for Mass Spectrometry 27 (2), 309-318, 2015
382015
Nontarget Screening Reveals Time Trends of Polar Micropollutants in a Riverbank Filtration System
V Albergamo, JE Schollée, EL Schymanski, R Helmus, H Timmer, ...
Environmental science & technology 53 (13), 7584-7594, 2019
332019
The metaRbolomics Toolbox in Bioconductor and beyond
J Stanstrup, CD Broeckling, R Helmus, N Hoffmann, E Mathé, T Naake, ...
Metabolites 9 (10), 200, 2019
322019
Robust analysis of underivatized free amino acids in soil by hydrophilic interaction liquid chromatography coupled with electrospray tandem mass spectrometry
J Gao, R Helmus, C Cerli, B Jansen, X Wang, K Kalbitz
Journal of Chromatography A 1449, 78-88, 2016
322016
Mineralisation and primary biodegradation of aromatic organophosphorus flame retardants in activated sludge
SS Jurgens, R Helmus, SL Waaijers, D Uittenbogaard, D Dunnebier, ...
Chemosphere 111, 238-242, 2014
312014
Perfluoroalkyl substances in the Maltese environment–(I) surface water and rain water
G Sammut, E Sinagra, R Helmus, P De Voogt
Science of the Total Environment 589, 182-190, 2017
222017
Biodegradation of metformin and its transformation product, guanylurea, by natural and exposed microbial communities
BAJ Poursat, RJM van Spanning, M Braster, R Helmus, P de Voogt, ...
Ecotoxicology and Environmental Safety 182, 109414, 2019
212019
Diuron degradation by bacteria from soil of sugarcane crops
TC Egea, R da Silva, M Boscolo, J Rigonato, DA Monteiro, D Grünig, ...
Heliyon 3 (12), e00471, 2017
212017
Identification of novel brominated compounds in flame retarded plastics containing TBBPA by combining isotope pattern and mass defect cluster analysis
A Ballesteros-Gómez, J Ballesteros, X Ortiz, W Jonker, R Helmus, ...
Environmental science & technology 51 (3), 1518-1526, 2017
182017
patRoon: open source software platform for environmental mass spectrometry based non-target screening
R Helmus, TL Ter Laak, AP van Wezel, P de Voogt, EL Schymanski
Journal of Cheminformatics 13 (1), 1-25, 2021
172021
Direct injection analysis of polar micropollutants in natural drinking water sources with biphenyl liquid chromatography coupled to high-resolution time-of-flight mass spectrometry
V Albergamo, R Helmus, P de Voogt
Journal of Chromatography A 1569, 53-61, 2018
172018
Daphnid life cycle responses to the insecticide chlorantraniliprole and its transformation products
V Lavtižar, R Helmus, SAE Kools, D Dolenc, CAM van Gestel, ...
Environmental science & technology 49 (6), 3922-3929, 2015
162015
Evaluation of reverse osmosis drinking water treatment of riverbank filtrate using bioanalytical tools and non-target screening
V Albergamo, BI Escher, EL Schymanski, R Helmus, MML Dingemans, ...
Environmental Science: Water Research & Technology 6 (1), 103-116, 2020
122020
Competition and surface conditioning alter the adsorption of phenolic and amino acids on soil minerals
J Gao, B Jansen, C Cerli, R Helmus, R Mikutta, S Dultz, G Guggenberger, ...
European Journal of Soil Science 68 (5), 667-677, 2017
122017
Determination of illicit drugs in the water cycle by LC–Orbitrap MS
P de Voogt, E Emke, R Helmus, P Panteliadis, JA van Leerdam
Illicit Drugs in the Environment: Occurrence, Analysis, and Fate Using Mass …, 2011
122011
Non-target screening reveals the mechanisms responsible for the antagonistic inhibiting effect of the biocides DBNPA and glutaraldehyde on benzoic acid biodegradation
TV Wagner, R Helmus, SQ Tapia, HHM Rijnaarts, P de Voogt, ...
Journal of hazardous materials 386, 121661, 2020
112020
Analysis of fullerenes in soils samples collected in The Netherlands
A Carboni, R Helmus, E Emke, N van den Brink, JR Parsons, K Kalbitz, ...
Environmental pollution 219, 47-55, 2016
112016
Perfluoroalkyl substances in the Maltese environment–(II) sediments, soils and groundwater
G Sammut, E Sinagra, M Sapiano, R Helmus, P de Voogt
Science of The Total Environment 682, 180-189, 2019
92019
Organic matter coatings of soil minerals affect adsorptive interactions with phenolic and amino acids
J Gao, B Jansen, C Cerli, R Helmus, R Mikutta, S Dultz, G Guggenberger, ...
European journal of soil science 69 (4), 613-624, 2018
92018
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