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AboutEmployees
Estela Reinoso Maset

Estela Reinoso Maset

Researcher

  • Soil and Water Science Section

My scientific interest encompasses the geochemical behaviour of radionuclides and co-contaminants in surface and subsurface environments, with additional interest on analytical methodology for radionuclide determination. 

With expertise in advanced analytical, radioanalytical, and spectroscopic techniques to address environmental radioactivity and radiochemistry problems, I am currently studying weathering behaviour, geochemical characteristics and reactivity, and optimal storage strategies for alum shale waste rock and the associated acid rock drainage contaminated areas (RadoNorm and earthresQue projects). 

As part of Centre for Environmental Radioactivity, I have contributed to projects studying the uranium biodistribution in model organisms (C. elegans nematodes and Daphia manga freshwater crustacean), characterizing nuclear fuel particles in contaminated soils and sediments from the Chernobyl and Fukushima exclusion zones, and optimising analytical methods for the measurement of Ra-226, Sr-90 and Cs-135 by inductively coupled plasma mass spectrometry (ICP-MS). And in previous years, I carried out mechanistic studies on the dissolution of uranium minerals in a contaminated subsurface context (UC Merced), on the interactions of uranium and radium with clay minerals in a mining context (CEA), and on the interactions of radionuclide with co-contaminants such as organic complexing agents in a nuclear waste repository context (Plymouth University). 

Other recent work includes optimizing analytical methods for selenium and arsenic speciation in biological and plant samples (SeGris and SafeKelp projects), and a current collaboration is on assessing microbial activity in soils under varying salinity regimes using H-3 leucine as marker (SeaSoilAdapt project). 

  • Areas of Work

    • Analytical Chemistry
    • Environmental Chemistry
    • Radiokjemi
    • Environmental geochemistry and mineralogy

  • Publications

    Academic profile and publications

    Full research papers (published)

    20. Pelkonen M.K. *, Reinoso-Maset E., Law G.T.W., Lind O.C., Skipperud L. (2025) “Environmental impact of an acid-forming alum shale waste rock legacy site in Norway”. Enviromental Science: Processes & Impacts, 27, 225-243.
    https://doi.org/10.1039/D4EM00298A

    19. Wærsted F.M. *, Reinoso-Maset E., Salbu B., Skipperud L. (2023) “Limited access to oxygen reduces the release of harmful trace elements from submerged alum shale debris”. Science of the Total Environment, 880, 163035.
    https://doi.org/10.1016/j.scitotenv.2023.163035

    18. Byrnes I.T., Rossbach L.M., Brede D.A., Grolimund D., Ferreira Sanchez D., Nuyts G., Cuba V., Reinoso-Maset E., Salbu B., Janssens K., Oughton D., Scheibener S., Teien H.-C., Lind O.C. (2023) “Synchrotron-based X-ray fluorescence imaging elucidates uranium toxicokinetics in Daphnia magna”. ACS Nano, 17, 6, 5296-5305. 
    https://doi.org/10.1021/acsnano.2c06111

    17. Byrnes I.T.*, Rossbach L.M., Jaroszewicz J., Grolimund D., Ferreira Sanchez D., Gomez-Gonzalez M., Nuyts G., Reinoso-Maset E., Janssens K., Salbu B., Brede D.A., Lind O.C.* (2023) “Synchrotron XRF and histological analyses identify damage to digestive tract of uranium NP-exposed Daphnia magna”. Environmental Science and Technology, 52 (2), 1071-1079.
    https://doi.org/10.1021/acs.est.2c07174

    16. Reinoso-Maset E.*, Falk M., Bernhoft A., Ersdal C., Framstad T., Fuhrmann H., Salbu B., Oropeza-Moe M. (2023) “Selenium speciation analysis reveals improved antioxidant status in finisher pigs fed L-selenomethionine, alone or combined with sodium selenite, and vitamin E”. Biological Trace Element Research, 201, 4400–4418. 
    https://doi.org/10.1007/s12011-022-03516-9

    15. Perdrial N.*, Vazquez-Ortega A., Reinoso-Maset E., O’Day P.A., Chorover J. (2022) “Effects of flow on uranium speciation in soils impacted by acidic waste fluids”. Journal of Environmental Radioactivity, 251-252, 106955.
    https://doi.org/10.1016/j.jenvrad.2022.106955

    14. Vazquez-Ortega A.*, Perdrial N., Reinoso-Maset E., O’Day P.A., Root R., Chorover J. (2021). “Phosphate controls uranium release from acidic waste-weathered Hanford sediments”, Journal of Hazardous Materials, 416, 126240. 
    https://doi.org/10.1016/j.jhazmat.2021.126240

    13. Kaspharov V.*, Salbu B., Simonucci C., Levchuk S., Reinoso-Maset E., Lind O.C., Maloshtan I., Protsak V., Courbet C., Nguyen H. (2020) “Validation of a fuel particle dissolution model with samples from the Red Forest within the Chernobyl exclusion zone", Journal of Environmental Radioactivity, 223-224, 106387
    https://doi.org/10.1016/j.jenvrad.2020.106387

    12. Reinoso-Maset E.*, Perdrial N., Steefel C.I., Um W., Chorover J., O’Day P.A. (2020) “Dissolved carbonate and pH control the dissolution of uranyl phosphate minerals in flow-through porous media", Environmental Science and Technology, 54(10), 6031-6042
    https://doi.org/10.1021/acs.est.9b06448

    11. Falk M.*, Bernhoft A., Reinoso-Maset E., Salbu B., Lebed P.J., Framstad T., Fuhrmann H., Oropeza-Moe M. (2020) “Beneficial antioxidant status of piglets from sows fed organic selenomethionine compared with piglets from sows fed sodium selenite", Journal of Trace Elements in Medicine and Biology, 58, 126439
    https://doi.org/10.1016/j.jtemb.2019.126439

    10. Reinoso-Maset E.*, Brown J., Pettersen M.N., Steenhuisen F., Tetteh A., Wada T., Hinton T.G., Salbu B., Lind O.C. (2020) “Linking heterogenous distribution of radiocaesium in soils and pond sediments in the Fukushima Daiichi exclusion zone to mobility and potential bioavailability", Journal of Environmental Radioactivity, 211, 106080
    https://doi.org/10.1016/j.jenvrad.2019.106080

    9. Wærsted F.M.*, Jensen K.A., Reinoso-Maset E., Skipperud L. (2018) “High throughput, direct determination of 226Ra in water and digested geological samples”, Analytical Chemistry, 90(20), 12246-12252
    https://doi.org/10.1021/acs.analchem.8b03494

    8. Wang G., Um W.*, Wang Z., Reinoso-Maset E., Washton N., Mueller K.T., Perdrial N., O'Day P.A., Chorover J. (2017) “Uranium release from acidic weathered Hanford sediments: single-pass flow-through and column experiments”, Environmental Science & Technology, 51(19), 11011-11019
    https://doi.org/10.1021/acs.est.7b03475

    7. Reinoso-Maset E.*, Steefel C.I., Um W., Chorover J., O’Day P.A. (2017) “Rates and mechanisms of uranyl oxyhydroxide mineral dissolution”, Geochimica et Cosmochimica Acta, 207, 298-321
    https://doi.org/10.1016/j.gca.2017.03.009

    6. Reinoso-Maset E.*, Ly J. (2016) “Study of trace level uranium(VI) and radium(II) sorption on kaolinite using a multisite ion exchange model”, Journal of Environmental Radioactivity, 157, 136-148
    https://doi.org/10.1016/j.jenvrad.2016.03.014

    5. Reinoso-Maset E.*, Ly J. (2014) “Study of major ions sorption equilibria to characterize the ion exchange properties of kaolinite”, Journal of Chemical and Engineering Data, 59(12), 4000-4009
    https://doi.org/10.1021/je5005438

    4. Reinoso-Maset E.*, Worsfold P.J., Keith-Roach M.J. (2013) “Effect of organic complexing agents on the interactions of U(VI), Sr(II) and Cs(I) with natural sand”, Chemosphere, 91(7), 948-954
    https://doi.org/10.1016/j.chemosphere.2013.01.105

    3. Reinoso-Maset E.*, Worsfold P.J., Keith-Roach M.J. (2012) “Evaluation of electrospray ionisation mass spectrometry as a technique for the investigation of competitive interactions: A case study of the ternary Th-Mn-EDTA system”, Rapid Communications in Mass Spectrometry, 26(23), 2755–2762
    https://doi.org/10.1002/rcm.6404

    2. Reinoso-Maset E.*, Worsfold P.J., Keith-Roach M.J. (2012) “The effect of EDTA, NTA and picolinic acid on Th(IV) mobility in a ternary system with natural sand”, Environmental Pollution, 162, 399–405
    https://doi.org/10.1016/j.envpol.2011.11.038

    1. Reinoso Maset E., Handley S., Fisher A., Heydon A., Worsfold P.J., Cartwright A.J., Keith-Roach M.J.* (2006), “Effect of organic co-contaminants on technetium and rhenium speciation and solubility under reducing conditions”, Environmental Science & Technology, 40(17), 5472-5477
    https://doi.org/10.1021/es061157f

    Conference papers

    3. Reinoso-Maset E.*, Hainos D., Ly J. (2012) “Sorption of uranium(VI) and radium(II) at trace level onto kaolinite and montmorillonite”, Mineralogical Magazine, 76(6), 2275.
    https://goldschmidtabstracts.info/2012/2275.pdf

    2. Keith-Roach M.J.*, Reinoso-Maset E., May C.C., Young L., Worsfold P.J., (2011) “The influence of co-contaminant complexing agents on radionuclide environmental behaviour”, Mineralogical Magazine, 75(3), 1165.
    https://goldschmidtabstracts.info/2011/1165.pdf

    1. Reinoso-Maset E.*, Worsfold P.J., Keith-Roach M.J. (2008) “Radionuclides, organic complexing agents and solid phases: Exploring their interactions”, Geochimica et Cosmochimica Acta, 72 (12 Suplement), 785.
    https://goldschmidtabstracts.info/2008/785.pdf

    Ph.D. research thesis

    Reinoso-Maset, Estela (2010) "Aqueous and solid phase interactions of radionuclides with organic complexing agents", Faculty of Science and Technology, University of Plymouth, UK
    https://pearl.plymouth.ac.uk/handle/10026.1/300

  • Teaching

    Analytical chemistry

    Radiochemistry

  • Misc and CV

    01/2023 – present
    Research scientist; Environmental Chemistry Section, Faculty of Environmental Sciences and Natural Resource Management (MINA), Norwegian University of Life Sciences (NMBU), Aas, Norway

    04/2017 – 12/2022 
    Research scientist; Centre for Environmental Radioactivity, Norwegian University of Life Sciences (NMBU), Aas, Norway

    04/2013 – 12/2015 
    Postdoctoral researcher; University of California Merced, Merced, CA, USA

    01/2011 – 01/2013 
    Postdoctoral researcher; Commissariat à l’énergie atomique et aux énergies alternatives (CEA), Centre de Saclay, France

    10/2007 – 12/2010
    Laboratory teaching demonstrator and marker; University of Plymouth, UK

    09/2006 – 11/2010 
    Ph.D. in Environmental Radiochemistry; University of Plymouth, UK

    01/2005 – 07/2005 
    Erasmus post-graduate exchange student; University of Plymouth, UK, and Universidade de Vigo, Spain

    09/1998 – 06/2004
    Licenciatura en Ciencias Químicas (Química Fundamental – Química Analítica); Universidade de Vigo, Spain