Morphological evolution of embryonic cells of wheat seeds upon low-energy ions

Zhang, D.M; Lin, Y.B.; Cui, Fuzhai; Tian, M. B.

doi:10.1016/s0928-4931(00)00139-9

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“…For simplicity assuming spherical cells, the diffusion measurements indicate the presence of cells with an average length of approximately 9 µm. Optical microscopy of wheat embryos showed cells with dimensions smaller than 10 µm . The value reported in this work is in line with the optical microscopy data on isolated embryos.…”

Section: Resultssupporting

confidence: 91%

On the Diffusion Constant of Water in Wheat

Gruwel

Ghosh

Latta

et al. 2007

J. Agric. Food Chem.

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Diffusion-weighted magnetic resonance imaging (MRI) was used to obtain diffusion constants for water in the embryo and endosperm of wheat. Our experiments showed a significant difference between the diffusion constant for the two components. It was also shown that water diffusion in both the endosperm and embryo deviates from the typically observed Gaussian behavior in bulk fluids, showing a time-dependent diffusion constant. Diffusion constants for the embryo and endosperm were shown to differ by an order of magnitude. Using a model for restricted diffusion, information on the endosperm pore size and the embryo cell dimensions could be obtained.

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Section: Resultssupporting

confidence: 91%