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Devices for Geldbard Group Initial Ideas
Sealing Patch Clamp Chips Canadian Patch Clamp Chip I have been thinking about Handy Geldbard’s group and what would enable them to study groups of synapses. Currently, I am in discussion with Jennetta Hammond and Pat Lu trying to understand some of their needs and wants. First, I considered their use of small microchannels…
Soluble GO Hemolysis and NTA
For this post, Henry and I collected data for hemolysis and NTA sizing of soluble graphene oxide (GO). Hemolysis– prior work on the hemolysis testing of immobilized GO The purpose of the hemolysis experiment was to confirm that immobilized GO is the preferred from of GO for use in a portable hemodialysis machine. It…
High temperature deposition of NSN and OSO stacks
ByJoe QiIn this post, we’ll discuss a little bit about how would the deposition temperature affect the pore formation and pore morphology. I first show some previous results of the effect of deposition temperature on the porosity and pore size from Dave. From this plot, it shows that the relative low deposition temperature barely affects the…
Optimizing Tangential Flow Exosome Capture: A Peclet Number Analysis
ByKileanHi all, So this is slightly different from my previous post, but is perhaps much more important for the work that I am doing. This analysis is important because it allows us to determine the appropriate conditions at which to operate the system. Currently, I operate the device at a flow rate of 10 microliters/minute…
Gold filtration with alumina coated pnc-Si
With some of the recent high porosity membranes being produced, I wanted to demonstrate that we can use ALD to create a movable cut-off without sacrificing too much in permeability. I took sc713 and coated it with 5 nm and 10 nm of Al2O3 i.e. I shrank the pore diameter by 5 and 10 nm….
Chemical Stability of W613
W613, the wafer with 30 nm thick pnc-Si was tested for chemical stability. This wafer was shown to be very weak mechanically, with burst pressures less than 1 PSI. I tested this wafer for chemical stability with cells (fibroblasts, P26) in DMEM +10% FBS (n=5). I also monitored discoloration in DMEM +10% FBS w/o cells…
