I guess there was a mistake in the last permeability plot. The real data for the 4 bar plot should look like this:
Unfortunately that doesn’t look so good anymore. The third bar though is the one that I originally processed to have many more pores (w705). The reprocessing gets it down in the 8% range and the new plot looks like this:
This is more reasonable. Removing data from retests (which has been done here) doesn’t affect the overall chart much.
[latexpage] In Episode 3 of this series, I have begun working towards improving my COMSOL modeling for particle capture. In addition to running simulations, I need to run experiments to try and correlate real world solutions with simulated results. One of the major focus points of my work has been trying to explain the shape…
This week, Christine and I have been trying to figure out if we can measure transport in the Tecan with the transwell inserts remaining within the 24-well plates. Here is a schematic of our idea (with sodium fluorescein, Na-F, as the model fluorescent molecule for transport studies): The left image is a side view, the…
Maria Lynch will review this article by Jeffrey Borenstein and colleagues … Borenstein – 2010 – Liver Assist Device
In my previous post, I mentioned that the EA treated chips showed decreasing contact angles after their storage in water in contrast to gel-pack or vacuum container. However the EA treatment was 4 days old, and I lacked adequate controls. So this time, I chose smaller time durations to understand if this phenomenon can be…
The Gaborski lab has been working with Blanca’s lab performing some scoping tests w/ SiN and SiOx microporous membranes. The aim is obtain proof of concept results regarding the efficacy of using a microporous membrane to trap sub-micron particles with DEP. Last week, we tested w/ our 200 nm polycarbonate beads. We were able to…
In this post, I will present my thoughts on the possible mechanisms of pore formation based on our most recent observations with the substrate bias experiments. As a precursor, I will discuss silicon crystallization since it is intimately related to the pore formation process. I will try to show that pore nucleation is driven by…
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Three bars then.
What is the message here? I look at these graphs and conclude that more porosity increases flow rate in a non-linear fashion. If this is the message, I think this is fine. However, are the pore sizes the same at each porosity? Will this be included in the caption?
Right there’s some dependence on pore size too. I haven’t had much luck with a 3-D figure to illustrate this. We’re trying to use this as a comparisons to Maryna’s porosity vs. permeability figure.