The 3‐D Imaging of Roots Growing in Soil

Blaser, Sebastian R. G. A.; Koebernick, Nicolai; Schlüter, Steffen; Vetterlein, Doris

doi:10.1002/9781119525417.ch13

Cited by 3 publications

(1 citation statement)

References 142 publications

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“…For instance, the calculator only accounts for radiation attenuation in air, completely disregarding the attenuation within soil. The input parameters for the calculator of voltage, current, distance between source and sample, and lter material and thickness apply more to benchtop, industrial, or medical XCT systems and less to synchrotron-based XCT that has become widely used in rhizosphere related investigations [9][10][11][12] . Later, Lippold et al 7 also showed that the Rad Pro Calculator substantially underestimated the radiation dose measured directly using dosimeters.…”

Section: Introductionmentioning

confidence: 99%

Monte Carlo simulations of synchrotron X-ray dose effects on root growth during in-vivo tomographic imaging

Moraes

Hesterberg

Neto

et al. 2022

Preprint

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Synchrotron X-ray computed tomography (XCT) has been increasingly applied to study the in-vivo dynamics of root growth and rhizosphere processes. However, minimizing radiation-induced damage to root growth warrants further investigation. Our objective was to develop a robust approach for modeling and evaluating ways to reduce synchrotron X-ray dose effects on root growth during in-vivo imaging. Wheat roots growing in soil were exposed to X-rays during XCT experiments resolved in space (3-D) plus time (4-D). The dose rate and cumulative absorbed dose in roots were modelled with the Monte Carlo code FLUKA considering different experimental conditions using polychromatic and quasi-monochromatic X-ray beam configurations. The most impactful factors affecting damage to roots were incident X-ray energy spectrum, stored current in the accelerator machine, position of the root in the soil, and possibly the number of exposures during the 4-D XCT experiments. Our results imply that radiation dose during in-vivo imaging of plant roots can be diminished by using monochromatic radiation at the highest energy suitable for a given sample thickness and field of view, and by controlling the rotation axis of off-centered roots to increase radiation protection by soil.

show abstract

Section: Introductionmentioning

confidence: 99%

Monte Carlo simulations of synchrotron X-ray dose effects on root growth during in-vivo tomographic imaging

Moraes

Hesterberg

Neto

et al. 2022

Preprint

View full text Add to dashboard Cite

show abstract

4D X-Ray Computed Tomography in Soil Science: an Overview and Future Perspectives at Mogno/Sirius

Ferreira

Pires

Reichardt³

2022

Braz J Phys

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Monte Carlo simulations of synchrotron X-ray dose affecting root growth during in vivo tomographic imaging

Moraes

Hesterberg

Neto

et al. 2023

Sci Rep

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Synchrotron X-ray computed tomography (XCT) has been increasingly applied to study the in vivo dynamics of root growth and rhizosphere processes. However, minimizing radiation-induced damage to root growth warrants further investigation. Our objective was to develop a robust approach for modeling and evaluating ways to reduce synchrotron X-ray dose effects on root growth during in vivo imaging. Wheat roots growing in soil were exposed to X-rays during XCT experiments resolved in space (3D) plus time (4D). The dose rate and cumulative absorbed dose in roots were modelled using the Monte Carlo code FLUKA for different experimental conditions of polychromatic and quasi-monochromatic X-ray beam configurations. The most impactful factors affecting damage to roots were incident X-ray energy spectrum, stored current in the accelerator machine, position of the root in the soil, and possibly the number of exposures during the 4D XCT experiments. Our results imply that radiation dose during in vivo imaging of plant roots can be diminished by using monochromatic radiation at the highest energy suitable for a given sample thickness and field of view, and by controlling the rotation axis of off-centered roots to increase attenuation of radiation by the soil matrix.

show abstract

The 3‐D Imaging of Roots Growing in Soil

Cited by 3 publications

References 142 publications

Monte Carlo simulations of synchrotron X-ray dose effects on root growth during in-vivo tomographic imaging

Monte Carlo simulations of synchrotron X-ray dose effects on root growth during in-vivo tomographic imaging

4D X-Ray Computed Tomography in Soil Science: an Overview and Future Perspectives at Mogno/Sirius

Monte Carlo simulations of synchrotron X-ray dose affecting root growth during in vivo tomographic imaging

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