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Modification of parylene C/N membranes for altered cell-substrate interactions
The motivation of this work by Daniela Lincoln (master’s student) was to investigate the feasibility of using different variants of parylene (C and N) for barrier studies and to look deeper into the implications of plasma surface modification for cell-substrate interactions. For this purpose, we used and tested a variety of device designs, which led…
Top SiO2 Thickness Experiment (3)
ByJoe QiLast few weeks, I deposited a couples of wafers to test the effect of oxide thickness on pores. In addition to previous data, I deposited another two wafers, one with 1nm top oxide and the other with 100nm top oxide. I summed up all data from the top oxide experiments. The first image is the…
Vapor Condensation Inside a Nanocavity
My recent work has focused on wetting the inner portion of an attocavity with isobaric cooling to create condensation. We are trying to attack the problem of wetting through the nanomembrane without breaking the membrane. A perfectly dry membrane will always rupture before the critical radius for wetting the backside of the membrane is achieved. To…
Membrane collapse in culture media
Above video shows the disruption of the membrane from W404 after around 12 hours in the DMEM media (benchtop). The membrane was not treated with UV-Ozone and degraded pretty early as compared to that from W336 which broke at ~28 hrs. The membranes were loaded with 15um beads to check if they were intact and…
Journal Club for June 26
ByJimVery last minute but here goes … Voting closes at 7 pm tonight. Vote for 2! [yop_poll id=”4″]
Adsorption Studies
The following changes were made in this adsorption study: The MicroCons/NanoSeps were not spun. We will just characterize the differences between the materials. The pnc-Si membranes were assembled into SepCons because of the potential adsorption to the plastic surfaces. Mass standards were run on the gel in order to allow the measurement of protein concentration….