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@ARTICLE{Scheenen:280607,
author = {Scheenen, T. W. J. and Vergeldt, F. J. and Windt, Carel and
de Jager, P. A. and Van As, H.},
title = {{M}icroscopic {I}maging of {S}low {F}low and {D}iffusion:
{A} {P}ulsed {F}ield {G}radient {S}timulated {E}cho
{S}equence {C}ombined with {T}urbo {S}pin {E}cho {I}maging},
journal = {Journal of magnetic resonance},
volume = {151},
number = {1},
issn = {1090-7807},
address = {Amsterdam [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2016-00375},
pages = {94 - 100},
year = {2001},
abstract = {In this paper we present a pulse sequence that combines a
displacement-encoded stimulated echo with rapid sampling of
k-space by means of turbo spin echo imaging. The stimulated
echo enables the use of long observation times between the
two pulsed field gradients that sample q-space completely.
Propagators, constructed with long observation times, could
discriminate slowly flowing protons from diffusing protons,
as shown in a phantom in which a plug flow with linear
velocity of $50\&mgr;m/s$ could clearly be distinguished
from stationary water. As a biological application the
apparent diffusion constant in longitudinal direction of a
transverse image of a maize plant stem had been measured as
a function of observation time. Increasing contrast in the
apparent diffusion constant image with increasing
observation times were caused by differences in plant
tissue: although the plant stem did not take up any water,
the vascular bundles, concentrated in the outer ring of the
stem, could still be discerned because of their longer
unrestricted diffusional pathways for water in the
longitudinal direction compared to cells in the parenchymal
tissue. In the xylem region of a tomato pedicel flowing
water could be distinguished from a large amount of
stationary water. Linear flow velocities up to 0.67 mm/s
were measured with an observation time of 180 ms.},
cin = {IBG-2},
ddc = {550},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000169823900012},
doi = {10.1006/jmre.2001.2362},
url = {https://juser.fz-juelich.de/record/280607},
}