@article {378,
	title = {Visualization of gas flow and diffusion in porous media},
	journal = {Proceedings of the National Academy of Sciences of the United States of America},
	volume = {97},
	year = {2000},
	note = {P Natl Acad Sci USA294ZRTimes Cited:29Cited References Count:18},
	month = {Mar 14},
	pages = {2414-2418},
	abstract = {<p>The transport of gases in porous materials is a crucial component of many important processes in science and technology. In the present work, we demonstrate how magnetic resonance microscopy with continuous flow laser-polarized noble gases makes it possible to \&quot;light up\&quot; and thereby visualize, with unprecedented sensitivity and resolution, the dynamics of gases in samples of silica aerogels and zeolite molecular sieve particles. The \&quot;polarization-weighted\&quot; images of gas transport in aerogel fragments are correlated to the diffusion coefficient of xenon obtained from NMR pulsed-field gradient experiments. The technique provides a unique means of studying the combined effects of flow and diffusion in systems with macroscopic dimensions and microscopic internal pore structure.</p>
},
	keywords = {xenon},
	isbn = {0027-8424},
	doi = {Doi 10.1073/Pnas.050012497},
	url = {<Go to ISI>://WOS:000085941400005},
	author = {Kaiser, L. G. and Meersmann, T. and Logan, J. W. and Pines, A.}
}
