Aquatic live animal radiotracing studies for ecotoxicological applications: addressing fundamental methodological deficiencies

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dc.contributor.authorCresswell, Ten_AU
dc.contributor.authorMetian, Men_AU
dc.contributor.authorGolding, LAen_AU
dc.contributor.authorWood, MDen_AU
dc.date.accessioned2021-12-10T00:15:25Zen_AU
dc.date.available2021-12-10T00:15:25Zen_AU
dc.date.issued2017-11en_AU
dc.date.statistics2021-11-22en_AU
dc.description.en_AU
dc.description.abstractThe use of live animal gamma radioisotope tracer techniques in the field of ecotoxicology allows laboratory studies to accurately monitor contaminant biokinetics in real time for an individual organism. However, methods used in published studies for aquatic organisms are rarely described in sufficient detail to allow for study replication or an assessment of the errors associated with live animal radioanalysis to be identified. We evaluate the influence of some important methodological deficiencies through an overview of the literature on live aquatic animal radiotracer techniques and through the results obtained from our radiotracer studies on four aquatic invertebrate species. The main factors discussed are animal rinsing, radioanalysis and geometry corrections. We provide examples of three main techniques in live aquatic animal radiotracer studies to improve data quality control and demonstrate why each technique is crucial in interpreting the data from such studies. The animal rinsing technique is also relevant to non-radioisotope tracer studies, especially those involving nanoparticles. We present clear guidance on how to perform each technique and explain the importance of proper reporting of the validation of each technique for individual studies. In this paper we describe methods that are often used in lab-based radioecology studies but are rarely described in great detail. We hope that this paper will act as the basis for standard operating procedures for future radioecology studies to improve study replication and data quality control. © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).en_AU
dc.description.sponsorshipThe contributions of M. D. Wood were supported by the TREE project (www.ceh.ac.uk/TREE), which is funded by the Natural Environment Research Council, the Environment Agency and Radioactive Waste Management Ltd. The contributions of L. A. Golding were supported by an Australian Institute of Nuclear Science and Engineering (AINSE) Research Award (ALNGRA13055).en_AU
dc.identifier.citationCresswell, T., Metian, M., Golding, L. A., & Wood, M. D. (2017). Aquatic live animal radiotracing studies for ecotoxicological applications: addressing fundamental methodological deficiencies. Journal of Environmental Radioactivity, 178, 453-460. doi:10.1016/j.jenvrad.2017.05.017en_AU
dc.identifier.issn0265-931Xen_AU
dc.identifier.journaltitleJournal of Environmental Radioactivityen_AU
dc.identifier.pagination453-460en_AU
dc.identifier.urihttps://doi.org/10.1016/j.jenvrad.2017.05.017en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/12420en_AU
dc.identifier.volume178en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectMetalsen_AU
dc.subjectNanomaterialsen_AU
dc.subjectTracer techniquesen_AU
dc.subjectInvertebratesen_AU
dc.subjectVertebratesen_AU
dc.subjectAquatic organismsen_AU
dc.titleAquatic live animal radiotracing studies for ecotoxicological applications: addressing fundamental methodological deficienciesen_AU
dc.typeJournal Articleen_AU
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