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Highly Efficient Separation of Ultratrace Radioactive Copper Using a Flow Electrolysis Cell. | LitMetric

AI Article Synopsis

  • Research focuses on improving the separation of copper (Cu) radioisotopes for cancer diagnostics using positron emission tomography (PET).
  • A new method using a flow electrolysis cell (FE) effectively isolates Cu from nickel (Ni) targets by applying specific reduction and oxidation potentials in a solution with hydrochloric acid (HCl) and nitric acid (HNO).
  • The system successfully recovers Cu at a flow rate of 0.5 mL/min, outperforming traditional column chromatography by separating ultra-trace levels of radioisotopes from larger metal quantities.

Article Abstract

Preparing compounds containing the radioisotope Cu for use in positron emission tomography cancer diagnostics is an ongoing area of research. In this study, a highly efficient separation method to recover Cu generated by irradiating the target Ni with a proton beam was developed by employing a flow electrolysis cell (FE). This system consists of (1) applying a reduction potential for the selective adsorption of Cu from the target solution when dissolved in HCl and (2) recovering the Cu deposited onto the carbon working electrode by desorbing it from the FE during elution with 10 mmol/L HNO, which applies an oxidation potential. The Cu was selectively eluted at approximately 30 min under a flow rate of 0.5 mL/min from the injection to recovery. The newly developed flow electrolysis system can separate the femtomolar level of ultratrace radioisotopes from the larger amount of target metals as an alternative to conventional column chromatography.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9096931PMC
http://dx.doi.org/10.1021/acsomega.2c00828DOI Listing

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