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The Long Road to Wearable Dialysis
Directory containing article and presentation Nature Article about Willem Kolff
Burst Pressures w391,w392
I measured burst pressures on two non-unifrom wafers w391, w393. They have lots of pinholes (especially w391) but the pressure they withstand is pretty high. I expected it to be much lower after looking at the membranes in the microscope.
Burst Pressure III
This is a follow up to my previous post, “Burst Pressure Probability II”. I burst 111, 30nm thick single window pnc-SI TEM chips of ten different window sizes, to measure the burst pressure of chips with varying dimensions. Although area is a major determining factor in the pressure at which the windows break, two different windows of…
More Negative Data for the Nanofluidic Transistor
I don’t think I ever posted it on the blog, but two years ago I discovered something neat. At the time, I was trying to make my nanofluidic transistor, and I was reading Marina’s thesis. She tried to improve the efficiency of our EO pumps by putting silver films directly on the front and back…
Detergent Micelle Sizing and Zeta Potential
ByMike HThis is the first post I have made with respect to the project proposed by Mark Dumont of the department of Biochemistry and Biophysics. As a reminder of the scope of the project Mark has shown an interest in using our pnc-Si membranes to separate detergent from trans-membrane proteins during the process of preparing samples…
Protein Adsorption on silanized NPN Chip
ByHenryWe are working with the Shestopalov group to silanize the nanoporous silicon nitride (NPN) membrane chip. In an ideal scenario, the silane would then be conjugated to PEG to ward off protein adsorption. In the presented work, we study protein adsorption on both the untreated and the silanized NPN chips using epifluorescence as the imaging modality….