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Dynamic Flow Approaches for Automated Radiochemical Analysis in Environmental, Nuclear and Medical Applications

Department of Environmental Engineering, Technical University of Denmark, DTU Risø Campus, 4000 Roskilde, Denmark
Molecules 2020, 25(6), 1462; https://doi.org/10.3390/molecules25061462 (registering DOI)
Received: 27 February 2020 / Revised: 19 March 2020 / Accepted: 22 March 2020 / Published: 24 March 2020
(This article belongs to the Special Issue Modern Flow Analysis)
Automated sample processing techniques are desirable in radiochemical analysis for environmental radioactivity monitoring, nuclear emergency preparedness, nuclear waste characterization and management during operation and decommissioning of nuclear facilities, as well as medical isotope production, to achieve fast and cost-effective analysis. Dynamic flow based approaches including flow injection (FI), sequential injection (SI), multi-commuted flow injection (MCFI), multi-syringe flow injection (MSFI), multi-pumping flow system (MPFS), lab-on-valve (LOV) and lab-in-syringe (LIS) techniques have been developed and applied to meet the analytical criteria under different situations. Herein an overall review and discussion on these techniques and methodologies developed for radiochemical separation and measurement of various radionuclides is presented. Different designs of flow systems with combinations of radiochemical separation techniques, such as liquid–liquid extraction (LLE), liquid–liquid microextraction (LLME), solid phase extraction chromatography (SPEC), ion exchange chromatography (IEC), electrochemically modulated separations (EMS), capillary electrophoresis (CE), molecularly imprinted polymer (MIP) separation and online sensing and detection systems, are summarized and reviewed systematically. View Full-Text
Keywords: flow techniques; radionuclides; automation; radiochemical separation; environmental monitoring; nuclear emergency preparedness; radioactive waste characterization; medical isotope production flow techniques; radionuclides; automation; radiochemical separation; environmental monitoring; nuclear emergency preparedness; radioactive waste characterization; medical isotope production
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Qiao, J. Dynamic Flow Approaches for Automated Radiochemical Analysis in Environmental, Nuclear and Medical Applications. Molecules 2020, 25, 1462.

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