Quantitative permeability imaging of plant tissues.

European Biophysics Journal : EBJ
Timur A SibgatullinH Van As

Abstract

A method for mapping tissue permeability based on time-dependent diffusion measurements is presented. A pulsed field gradient sequence to measure the diffusion encoding time dependence of the diffusion coefficients based on the detection of stimulated spin echoes to enable long diffusion times is combined with a turbo spin echo sequence for fast NMR imaging (MRI). A fitting function is suggested to describe the time dependence of the apparent diffusion constant in porous (bio-)materials, even if the time range of the apparent diffusion coefficient is limited due to relaxation of the magnetization. The method is demonstrated by characterizing anisotropic cell dimensions and permeability on a subpixel level of different tissues of a carrot (Daucus carota) taproot in the radial and axial directions.

References

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Citations

Jan 19, 2011·Plant, Cell & Environment·Sanna SevantoN Michele Holbrook
Feb 2, 2013·Journal of Magnetic Resonance·Henk Van As, John van Duynhoven
Oct 30, 2015·International Journal of Molecular Sciences·Anthea Johnson, Naresh Singhal
May 28, 2019·Protoplasma·A V AnisimovMaksim A Suslov
Oct 7, 2019·Biometals : an International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine·Vladimir N Vorob'evVladimir V Chevela
Feb 2, 2021·Journal of Magnetic Resonance·Luiz Alberto ColnagoCorinne Rondeau-Mouro

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Methods Mentioned

BETA
nuclear magnetic resonance
NMR
electron microscopy

Software Mentioned

MATLAB

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