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[FZJ-2026-00462]
Poster (After Call)
Chlubek, A. ; Breuer, E. ; Dautzenberg, M. ; et al
Uncovering Plant Carbon Dynamics with PET and Complementary Sensors
20253rd Workshop Carbon Allocation in Plants, VersaillesVersailles, France, 27 Oct 2025 - 29 Oct 20252025-10-272025-10-29
Positron Emission Tomography (PET) is a powerful technique in plant sciences for studying allocation and transport processes in vivo. Of particular interest is the radioisotope Carbon-11, which can be applied as ¹¹CO₂ to leaves and used as a tracer to monitor the movement of photoassimilates within complex three-dimensional structures such as root systems.We employ a fully characterized and calibrated, plant-dedicated PET scanner -the phenoPET- which is housed in a climate-controlled chamber, enabling us to perform routine PET measurements on plants under stable environmental conditions.The ¹¹CO₂ is produced using a cyclotron, trapped in a CO₂ capture unit, and delivered to the plants via a custom-built gas exchange system. [...]
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