Imbibition in plant seeds

Research output: Contribution to journalJournal article – Annual report year: 2018Researchpeer-review

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Imbibition in plant seeds. / Louf, Jean-Francois; Zheng, Yi; Kumar, Aradhana; Bohr, Tomas; Gundlach, Carsten; Harholt, Jesper; Poulsen, Henning Friis; Jensen, Kaare Hartvig.

In: Physical Review E, Vol. 98, No. 4, 042403, 2018.

Research output: Contribution to journalJournal article – Annual report year: 2018Researchpeer-review

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@article{44186a5f27a742f08b05c26b2099ab77,
title = "Imbibition in plant seeds",
abstract = "We describe imbibition in real and artificial plant seeds, using a combination of experiments and theory. In both systems, our experiments demonstrate that liquid permeates the substrate at a rate which decreases gradually over time. Tomographic imaging of soy seeds is used to confirmed this by observation of the permeating liquid using an iodine stain. To rationalize the experimental data, we propose a model based on capillary action which predicts the temporal evolution of the radius of the wet front and the seed mass. The depth of the wetting front initially evolves as t1/2 in accord with the Lucas-Washburn law. At later times, when the sphere is almost completely filled, the front radius scales as (1 - t/tmax)1/2 where tmax is the time required to complete imbibition. The data obtained on both natural and artificial seeds collapse onto a single curve that agrees well with our model, suggesting that capillary phenomena contribute to moisture uptake in soy seeds.",
author = "Jean-Francois Louf and Yi Zheng and Aradhana Kumar and Tomas Bohr and Carsten Gundlach and Jesper Harholt and Poulsen, {Henning Friis} and Jensen, {Kaare Hartvig}",
year = "2018",
doi = "10.1103/PhysRevE.98.042403",
language = "English",
volume = "98",
journal = "Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)",
issn = "2470-0045",
publisher = "American Physical Society",
number = "4",

}

RIS

TY - JOUR

T1 - Imbibition in plant seeds

AU - Louf, Jean-Francois

AU - Zheng, Yi

AU - Kumar, Aradhana

AU - Bohr, Tomas

AU - Gundlach, Carsten

AU - Harholt, Jesper

AU - Poulsen, Henning Friis

AU - Jensen, Kaare Hartvig

PY - 2018

Y1 - 2018

N2 - We describe imbibition in real and artificial plant seeds, using a combination of experiments and theory. In both systems, our experiments demonstrate that liquid permeates the substrate at a rate which decreases gradually over time. Tomographic imaging of soy seeds is used to confirmed this by observation of the permeating liquid using an iodine stain. To rationalize the experimental data, we propose a model based on capillary action which predicts the temporal evolution of the radius of the wet front and the seed mass. The depth of the wetting front initially evolves as t1/2 in accord with the Lucas-Washburn law. At later times, when the sphere is almost completely filled, the front radius scales as (1 - t/tmax)1/2 where tmax is the time required to complete imbibition. The data obtained on both natural and artificial seeds collapse onto a single curve that agrees well with our model, suggesting that capillary phenomena contribute to moisture uptake in soy seeds.

AB - We describe imbibition in real and artificial plant seeds, using a combination of experiments and theory. In both systems, our experiments demonstrate that liquid permeates the substrate at a rate which decreases gradually over time. Tomographic imaging of soy seeds is used to confirmed this by observation of the permeating liquid using an iodine stain. To rationalize the experimental data, we propose a model based on capillary action which predicts the temporal evolution of the radius of the wet front and the seed mass. The depth of the wetting front initially evolves as t1/2 in accord with the Lucas-Washburn law. At later times, when the sphere is almost completely filled, the front radius scales as (1 - t/tmax)1/2 where tmax is the time required to complete imbibition. The data obtained on both natural and artificial seeds collapse onto a single curve that agrees well with our model, suggesting that capillary phenomena contribute to moisture uptake in soy seeds.

U2 - 10.1103/PhysRevE.98.042403

DO - 10.1103/PhysRevE.98.042403

M3 - Journal article

VL - 98

JO - Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)

JF - Physical Review E (Statistical, Nonlinear, and Soft Matter Physics)

SN - 2470-0045

IS - 4

M1 - 042403

ER -