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shear stress reduction via pnc-Si: analytical solution
ByHenryHello everyone, presented here is a theoretical perspective on the shear stress reduction enabled by our shear-free microfluidic system. Briefly speaking, the shear-free microfluidic system consists of three main components: a flow compartment, the pnc-Si membrane, and a shear-free compartment. The membrane attenuates the fluid flow from the flow compartment to the shear-free compartment while permits…
PETL’s SEM pictures
ByFernandoJust wanted to show the detail of PETL channels. A couple of interesting things: The adhesive layer(s) are pretty thick, and look pretty smooth after heat curation. Also, the channels are slightly beveled, probably due to craft cutter blade.
Imidazole functionalized graphene oxide/PEBAX mixed matrix membranes for efficient CO2 capture
ByJimSEPPUR-D-16-00198 Abstract Mixed matrix membranes (MMMs) were composed of imidazole functionalized graphene oxide (ImGO), a CO2-philic nano-sheet inorganic material, and poly(ether-b-amide) (PEBAX) for CO2 capture. MMM doped with 0.8 wt.% ImGO exhibits the best CO2 separation performance, which shows the CO2/N2 selectivity up to 105.5 combined with CO2 permeability of 76.2 Barrer (1 Barrer=10-10∙cm3(STP)∙cm-1∙cm-2∙s-1∙cmHg-1), surpassing…
Cell-Basement Membrane vs Basement Membrane-SiO2 Interactions in a Shear Influenced Device
ByAlecIntroduction When concerning the issue of adherence on any substrate, the main two interactions that matter most are that of the cell interacting with the basement membrane (whether cell produced or artificially added) or the interaction between the protein based basement membrane and the substrate providing structure for cell culture; in our case SiO2 membranes….
Sepcon Macro Update
The older sepcon macro has been update to fix previous issues and yield more meaningful results. These updates are being brought up to get feedback from the group and from there implement them and make these changes to the newer sepcon patterns and eventually the TEM patterns. Gathering and analyzing statistical data is standard practice…
Water Permeability and Pore Comparisons
Previous Post on Water Permeability Figure We decided at the last meeting to show water permeability for each membrane used rather than plot for a specific characteristic like porosity. I did this but there were a few samples that still had a noticeable deviation between experimental and calculated permeabilities. I asked Dave to reprocess the…