Tallarek, U., Rapp, E., Seidel-Morgenstern, A., Van As,
H. 2002. Electroosmotic flow phenomena in packed capillaries: from the
interstitial velocities to intraparticle and boundary layer mass transfer. J.
Phys. Chem. B 106:
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Van der Weerd, L., Claessens, M.M.A.E., Efdé, C., Van As, H. 2002. Nuclear
Magnetic Resonance imaging of membrane permeability changes in plants during
osmotic stress. Plant Cell Environ. 25:
1538-1549.
Van der Weerd, L., Melnikov, S.M., Vergeldt, F.J.,
Novikov, E.G., Van As, H. 2002. Modelling of Self-Diffusion and
Relaxation Time NMR in Multi-Compartment Systems with Cylindrical Geometry .
J.
Magn. Reson. 156:
213-221.
Nagel. F-J., Van As, H., Tramper, J., Rinzema, A. 2002. Water
and glucose gradients in the substrate measured with NMR imaging during
solid state fermentation with Aspergillus oryzae. Biotechnol.
Bioeng.
19: 653-663.
Kandhai, D., Hlushkou, D., Hoekstra, A., Sloot, P.M.A., Van As, H.,
Tallarek, U. 2002. Influence of stagnant zones on transient and
asymptotic dispersion in macroscopically homogeneous porous media. Phys.
Rev. Lett. 88: 234501
Wolters-Arts, M., van der Weerd, L., van Aelst, A.C., van
der Weerd, J., Van As, H., Mariani, C. 2002. Water-conducting
properties of lipids during pollen hydration. Plant Cell Environ. 25:
513-519.
Kandhai, D., Tallarek, U., Hlushkou, D., Hoekstra, A.,
Sloot, P.M.A., Van As, H. 2002. Numerical simulation and measurement of
liquid hold-up in biporous media containing discrete stagnant zones. Philos.
Trans. R. Soc. Lond. Ser. A-Math. Phys. Eng. Sci. 360: 521-534
Scheenen, T.W.J., Heemskerk, A., de
Jager, P.A., Vergeldt, F, Van As, H. 2002. Functional imaging of
plants: a NMR study of a cucumber plant. Biophys. J. 82: 481-492
Heibel, A.K., Scheenen, T.W.J.,
Heiszwolf, J.J., Van As, H., Kapteijn, F., Moulijn,
J.A., 2001. Gas and liquid phase distribution and
their effect on reactor performance in the monolith film flow reactor. Chem.
Eng. Science 56:
5935-5944.
Van der Weerd, L., Claessens, M.A.E., Ruttink, T.,
Vergeldt, F.J., Schaafsma, T.J., Van As, H., 2001. Quantitative NMR
microscopy of osmotic stress responses in maize and pearl millet. J. Exp.
Bot. 52:
2333-2343.
Tallarek, U., Scheenen, T.W.J., Van As, H., 2001. Macroscopic
flow heterogeneity in electro-osmotic and pressure-driven flows through
fixed beds at low column-to-particle diameter ratio. J. Phys. Chem. B.
105: 8591-8599.
Gonzalez-Gil, G., Lens, P., Van Aelst, A., Van As, H.,
Versprille, A.I., Lettinga, G. 2001. Inhomogenic architecture of
anaerobic aggregates of an expanded granular sludge reactor. Appl.
Environ. Microbiol. 67:
3683-3692.
Nagarajan, S., Dijkema, C, Van As, H. 2001.
Metabolic response of roots to osmotic stress in sensitive and tolerant
cereals - Qualitative in vivo 31P nuclear magnetic resonance study. Indian.
J. Biochem. Biophys. 38: 149-152.
Bendel, P., Zemah, H., Kamenetsky, R., Vergeldt, F.,
Van As, H. 2001. Magnetization transfer and double-quantum filtered
imaging as probes for motional restricted water in tulip bulbs. Magn.
Reson. Imaging 19:
857-865.
Hoogschagen, M., Zhu, Y., Van As, H.,
Tramper, J., Rinzema, A., 2001. Influence of wheat type and
pretreatment on fungal growth in solid-state fermentation. Biotechnol.
Lett. 23:
1183-1187.
Scheenen, TWJ, Vergeldt, F.J.,
Windt, C.W., de Jager, P.A., and Van As, H. 2001. Microscopic
imaging of slow flow and diffusion: a pulsed field gradient stimulated echo
sequence combined with turbo spin echo imaging. J.
Magn. Reson. 151:
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Tallarek, U., Rapp, E., Van As, H., Bayer, E. 2001. On
the electrokinetics in fixed beds: experimental demonstration of
electro-osmotic perfusion. Angew. Chem. Int. Ed.
40:1684-1687.
Tallarek, U., Scheenen, T., de Jager, P.A., Van As, H.
2001. Using NMR displacement imaging to characterize electro-osmotic flow in
porous media. Magn.
Reson. Imaging 19:
453-456.
van Meeteren, U., van Ieperen, W., Nijsse, J.,
Scheenen, T.W.J., Van As, H., Keijzer, C.J., 2001. Processes and xylem
anatomical properties involved in rehydration dynamics of cut flowers. Acta
Hort. 543: 207-215.
Van As, H. and Lens, P. 2001. Use of 1H NMR to
study transport processes in porous biosystems. J. Industr. Microbiol.
Biotechnol. 26: 43-52.
Wieland, A., van Dusschoten, D., Damgaard, LR., de
Beer, D., Kuhl, M. and Van As, H. 2001. Fine-scale measurements of
diffusivity in a microbial mat with NMR imaging. Limnol. Oceanography
46: 248-259.
Van der Weerd, L., Vergeldt, F.J., de Jager, P.A. and
Van As, H. 2000. Evaluation of algorithms for analysis of NMR relaxation
decay curves. Magn.
Reson. Imag. 18:
1151-1158.
Scheenen, T, de Jager, PA. van Dusschoten, D. and Van
As, H. 2000. Microscopic displacement imaging with pulsed field
gradient turbo spin-echo NMR. J.
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207-215.
Scheenen, T., de Jager, PA. van Dusschoten, D. and Van
As, H. 2000. A model-free quantification of water transport in intact
plants with NMR imaging. J. Exp.
Bot. 51:
1751-1759.
Van der Toorn, A., Zemah, H., Van As, H., Bendel, P.
and Kamenetsky, R. 2000. Morphological structure and water status in
tulip bulbs from dormancy to active growth: visualization by NMR imaging. J.
Exp. Bot. 51:
1277-1287.
Tallarek, U., Rapp, E., Scheenen, T., Bayer, E. and
Van As, H., 2000. Electroosmotic and pressure-driven flow in open and packed
capillaries: velocity distributions and fluid dispersion. Anal. Chem. 72:
2292-2301
Kamenetsky, R., Zemah, H., van der Toorn, A.,
Rabinowitch, HD., Van As, H. and Bendel, P. 2000. Morphological
structure and water status in tulip bulbs during their transition from dormancy to
active growth: visualization by NMR imaging. In: Dormancy in Plants, from
whole plant behaviour to cellular control, J.-D. Viemont and J. Crabbe, eds.
CABI Publishing, New York. Pp. 121-138.
Lens, P., Vergeldt, F., Lettinga, G., Van As. H.
1999. H-1 NMR characterisation of the diffusional properties of methanogenic
granular sludge. Water
Sci. Technol. 39: 187-194
Donker, HCW, Van-As, H., 1999. Cell water balance
of while button mushrooms (Agaricus bisporus) during its post-harvest
lifetime studied by quantitative magnetic resonance imaging. Biophys.
Biochem. Acta 1427: 287-297
Tallarek-U; Vergeldt-FJ; Van-As-H, 1999. Stagnant
mobile phase mass transfer in chromatographic media: Intraparticle diffusion
and exchange kinetics. J. Phys. Chem. B. 103: 7654-7664
Beuling, E. E., D. van Dusschoten, P. Lens, J. C. van den Heuvel, H.
Van As, and S. P. P. Ottengraf. 1998. Characterization of the diffusive
properties of biofilms using pulsed field gradient-nuclear magnetic
resonance. Biotechnol.
Bioeng.
60:283-291.
Edzes, H. T., D. van Dusschoten, and H. Van As. 1998. Quantitative
T-2 imaging of plant tissues by means of multi-echo MRI microscopy. Magn.
Reson. Imag. 16:185-196.
Roudaut, G., D. van Dusschoten, H. Van As, M. A. Hemminga, and M.
LeMeste. 1998. Mobility of lipids in low moisture bread as studied by
NMR. J. Cereal
Sci.
28:147-155.
Scheenen, T. W. J., D. van Dusschoten, P. A. de Jager, and H. Van As.
1998. Fast spatially resolved displacement imaging in (bio)systems. In
Spatially resolved magnetic resonance: methods, materials, medicine,
biology, rheology, geology, ecology, hardware. P. Blumler, B. Blumich, R.
Botto, and E. Fukushima, editors. Wiley-VCH, Weinheim. 481 - 486.
Tallarek, U., E. Bayer, D. van Dusschoten, T. Scheenen, H. Van As, G.
Guiochon, and U. D. Neue. 1998. Dynamic NMR microscopy of
chromatographic columns. AIChE J. 44:1962-1975.
Tallarek, U., D. van Dusschoten, H. Van As, E. Bayer, and G. Guiochon.
1998. Study of transport phenomena in chromatographic columns by pulsed
field gradient NMR. J. Phys. Chem. B.
102:3486-3497.
Tallarek, U., D. van Dusschoten, H. Van As, G. Guiochon, and E. Bayer.
1998. Direct observation of fluid mass transfer resistance in porous
media by NMR spectroscopy. Angew. Chem., Int. Ed.
37:1882-1885.
Tallarek, U., D. van Dusschoten, H. Van As, G. Guiochon, and E. Bayer.
1998. Mass transfer in chromatographic columns studied by PFG NMR. Magn.
Reson. Imag.
16:699-702.
Van As, H., W. Palstra, U. Tallarek, and D. van Dusschoten. 1998.
Flow and transport studies in (non)consolidated porous (bio)systems
consisting of solid or porous beads by PFG NMR. Magn.
Reson. Imag.
16:569-573.
van der Weerd, L., T. Ruttink, D. van Dusschoten, F. J. Vergeldt, P.
A. de Jager, and H. Van As. 1998. Plant growth studies using low field
NMR. In Spatially resolved magnetic resonance: methods, materials, medicine,
biology, rheology, geology, ecology, hardware. P. Blumler, B. Blumich, R.
Botto, and E. Fukushima, editors. Wiley-VCH, Weinheim. 473 - 479.
Van Dusschoten, D., U. Tallarek, T. Scheenen, U. D. Neue, and H. Van
As. 1998. Spatially resolved transport properties in radially compressed
bead packings studies by PFG NMR. Magn.
Reson. Imag.
16:703-706.
Novikov, E. G., D. van Dusschoten, H. Van As.
1998. Modeling of self-diffusion and relaxation time NMR in
multi-compartment systems. J.
Magn. Reson.
135:522-528.
Van As, H., 1997. In situ plant water balance
studies using low field NMR techniques. Proceedings Jahrestagung Deutsche
Fysikalische Gesellschaft, Munster.
Lens, P., Pol, LH., Lettinga, G and Van As, H.,
1997. Use of H-1 NMR to study transport processes in sulfidogenic granular
sludge. Water
Sci. Technol. 36: 157-163
Van As, H. and van Dusschoten, D., 1997. NMR
methods for imaging of transport processes in microporous systems, Geoderma
80: 389-403.
van Dusschoten, D., van Noort, J., Van As, H,
1997. Displacement imaging in porous media using the line scan NMR
technique. Geoderma 80:
405-416.
Donker, H.C.W., Van As, H., Snijder, H.J. and Edzes,
H.T., 1997. Quantitative 1H-NMR imaging of water in white button
mushrooms (Agaricus bisporus). Magn.
Reson. Imag. 15:
113-121.
van Dusschoten, D., C.T.W. Moonen, P.A. de Jager, H.
Van As, 1996. Unraveling diffusion constants in biological tissue by
combining Carr-Purcell-Meiboom-Gill imaging and Pulsed Field Gradient NMR, Magn.
Reson. Med. 36: 907-913.
Donker, H.C.W., H. Van As, H.T. Edzes, A.H.W. Jans,
1996. NMR imaging of white button mushroom (Agaricus bisporus) at
various magnetic fields, Magn.
Reson. Imag. 14,
1205-1215.
MacFall, J., H. Van As, 1996. Magnetic Resonance
Imaging of Plants. In "Nuclear Magnetic Resonance in Plant
Biology", Y. Shachar-Hill, P.E. Pfeffer, Eds., Current Topics in Plant
Physiology 16, 33-76, ASPP, Rockville.
van Dusschoten, D., P.A. de Jager, H. Van As,
1995. Flexible PFG NMR desensitezed for susceptibility artifacts using the
PFG-multiple-spin-echo sequence, J.
Magn. Reson. A 112,
237-240.
van Dusschoten, D., de Jager, P.A., Van As, H.,
1995. Extracting diffusion constants from echo-time-dependent PFG NMR data
using relaxation-time information, J.
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Van As, H., J.E.A. Reinders, P.A. de Jager,
P.A.C.M. van de Sanden, T.J. Schaafsma, 1994. In situ plant water
balance studies using a portable NMR spectrometer, J. Exp. Bot. 45,
61-67.
Snaar, J.E.M. and H. Van As, 1993. NMR
self-diffusion measurements in a bounded system with loss of magnetization
at the walls, J. Magn. Reson. A 102, 318-326.
Snaar, J. E. M., and Van As, H., 1992. A
method for the simultaneous measurement of NMR spin-lattice and spin-spin
relaxation times in compartmentalized systems. J. Magn. Reson. 99,
139-148.
Snaar, J.E.M., Van As, H., 1992. Probing
water compartments and membrane permeability by 1H NMR relaxation
measurements in plant cells. Biophys. J. 63, 1654-1658.
Schaafsma, T.J., H. Van As, W.D. Palstra,
J.E.M. Snaar, P.A. de Jager, 1992. Quantitative measurement and imaging
of transport processes in plants and porous media by 1H NMR. Magn. Reson.
Imag. 10, 827-836.
Van As, H., 1992. NMR in horticulture: in
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