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001     1050717
005     20260116161120.0
037 _ _ |a FZJ-2026-00462
041 _ _ |a English
100 1 _ |a Chlubek, Antonia
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111 2 _ |a 3rd Workshop Carbon Allocation in Plants
|c Versailles
|d 2025-10-27 - 2025-10-29
|w France
245 _ _ |a Uncovering Plant Carbon Dynamics with PET and Complementary Sensors
260 _ _ |c 2025
336 7 _ |a Conference Paper
|0 33
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336 7 _ |a INPROCEEDINGS
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336 7 _ |a CONFERENCE_POSTER
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520 _ _ |a 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. This setup also allows continuous monitoring of ¹²CO₂ uptake before, during, and after the ¹¹CO₂ pulse labelling, using two infrared gas analyzers. In parallel, radioactivity detectors measure the amount of ¹¹CO₂ applied to the plant and the amount left-over after labelling, allowing us to quantify the exact amount of radiotracer being taken up the plant.In this poster, we present representative data from peripheral systems operating during a PET scan, demonstrating how this additional information can contribute valuable insights into plant physiology and the effects of applied treatments.
536 _ _ |a 2171 - Biological and environmental resources for sustainable use (POF4-217)
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700 1 _ |a Breuer, Esther
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700 1 _ |a Dautzenberg, Marco
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700 1 _ |a Pflugfelder, Daniel
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700 1 _ |a Huber, Gregor
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700 1 _ |a Koller, Robert
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700 1 _ |a Metzner, Ralf
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913 1 _ |a DE-HGF
|b Forschungsbereich Erde und Umwelt
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920 _ _ |l yes
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