PhD Committee Meeting and Internship with Sartorius

We used chips from the latest 5 slot SepCon NPN wafer 1142 (14%, 36nm) to test our ability to separate 20 nm  “blue  fluorescent” polystyrene NPs from Invitrogen from IgG. We used a concentration of 10^14 particles/ml NPs and 1 mg/ml IgG.  (This is a mixture of fluorescent and unlabeled IgG) We compared forward vs…

After several months of modeling, experimenting, thinking and rethinking, it’s finally time to talk about the conclusions we can draw about nanomembrane ECMO. These conclusions take into account only blood oxygenation, and not blood decarboxylation, which is a different therapy that I have not modeled. You can find my description of the model here, and…

I have been using MatLab to analyze the pores in the SC wafers. Here are the results from my analyses: To take a first look, I simply plotted four characteristics: average pore size, porosity, cut-off pore size, and mean roundness against the wafer number. Notice that the blue dots are the b wafers. Excel would…

I went over to RIT to work with JP on measuring the deflection of NPN and pnc-Si membranes as a function of pressure.  JP and Dave Fang did this work years ago, and we want to pick it up again to correlate with Sarah’s burst pressure data. We used the Veeco Wyko (white light interferometer)…

I derived the governing equation for the volume transfer from SepCon devices in the wet/wet (EQ) format. It is … where the equilibrium volume for the cup can be calculated apriori using the cross sectional areas of the cup and the surrounding annulus … with the total volume of interest given by and the time…