Sensor presentation
I attached a presentation here for tomorrow’s meeting.
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I have been working on developing a microvessel mimetic using our silicon membranes. Just as a recap of vascular biology, the basic components of a microvessel are endothelial cells, the basement membrane secreted by them (presence of perciytes is a plus), and extracellular matrix (ECM) on the abluminal side. This ECM is predominantly composed of…
Sepcon vs Polished samples
In an effort to imitate Sepcon, I applied nail polish on two samples covering the edges and the back side (well side) and compared its discoloration to Sepcon format and w/o polish sample in 2D format. I used two polished samples in which I covered the edges in both but the back side was not…
EO Pressure/Flow Relationship
ByJimWhen we submitted the EO paper way back one of the reviewers made the following comment … What is the “head pressure” P_max, i.e. the maximum back pressure that would stop the pump? For any linear electrokinetic phenomenon such as EO pumping, the flow rate decreases linearly with backpressure until a certain point (“head pressure”)…
First attempts at SepCon on 6-inch wafers
SiMPore has been collaborating with the Infotonics Center to scale our SepCon production to a 6-inch wafer. The wafers are patterned and deposited at their facility and then brought back to UR where we anneal and etch. This week, we etched several wafers and the initial results look promising. The big news is that we…
Nanoporous Wallpaper
In my recent tenting posts, the membrane has shown that it can deform and wrap around edges. I wanted to follow up on this phenomenon and see if we could get a contiguous sheet of membrane around a PDMS edge (not completely sharp). If we can get some membranes around a ~90 sidewall, we could have…