Probing the biogeochemical behavior of technetium using a novel nuclear imaging approach.

  title={Probing the biogeochemical behavior of technetium using a novel nuclear imaging approach.},
  author={Gavin Lear and Joyce M. McBeth and Christopher Boothman and Darren Gunning and Beverly L Ellis and Richard S. Lawson and Katherine Morris and Ian T Burke and Nicholas D. Bryan and Andrew P See Brown and Francis R. Livens and Jonathan R. Lloyd},
  journal={Environmental science & technology},
  volume={44 1},
Dynamic gamma-camera imaging of radiotracer technetium ((99m)Tc) was used to assess the impact of biostimulation of metal-reducing bacteria on technetium mobility at 10(-12) mol L(-1) concentrations in sediments. Addition of the electron donor acetate was used to stimulate a redox profile in sediment columns, from oxic to Fe(III)-reducing conditions. When (99m)Tc was pumped through the columns, real-time gamma-camera imaging combined with geochemical analyses showed technetium was localized in… CONTINUE READING

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