Tortuosity of Aligned Channels in Alumina Membranes Produced by Vacuum-Induced Surface Directional Freezing.

Materials (Basel) · 2017 · PMC5506942 · PMID 28772769

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a slight trendno p-value reported

There is also a slight trend to higher amounts of dye in the membrane as the volume fraction decreases which would be the case for higher porosity.

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