Radiotracer Imaging Technologies for Microbial Systems Uptake of 11 C-CO 2 in Moab Desert Biological Soil Crust June 10, 2013 Nick Vandehey Lawrence Berkeley National Laboratory Berkeley, California, USA ANTFARMS : A pplying N oninvasive T echnologies F or A nalyzing R adiotracers In M icrobial S ystems
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Radiotracer Imaging Technologies for Microbial Systems
Uptake of 11C-CO2 in Moab Desert Biological Soil Crust
June 10, 2013
Nick VandeheyLawrence Berkeley National Laboratory
Berkeley, California, USA
ANTFARMS: Applying Noninvasive Technologies For Analyzing Radiotracers In Microbial Systems
Radiotracer Imaging Technologies for Microbial Systems
BSCs Soil
Imaging Carbon Fixation
First use of nuclear imaging for Biological Soil Crusts?
Radiotracer Imaging Technologies for Microbial Systems
Carbon-11
Page 39
• Radioactive isotope of carbon, neutron deficient
• Produced with proton-beam accelerator
• Decays by postitron emission• Half-life: 20.4 minutes!• Decay characteristics allow for non-invasive
imaging with radiological instruments
Radiotracer Imaging Technologies for Microbial Systems