Here is an aggregate of the recent posts/data on the Hemodialysis Project … Device Design/Demo Design idea for assembling multiple chips Gasket design for counter flow dialysis chip Peclet chip demo – > Dialysis Membrane modifications to prevent protein binding (HD…

Hi all, A while back (in the link below) I have posted the analytical solution that allows us to solve the flow rate distribution in our shear-free system. shear stress reduction via pnc-Si: analytical solution However we do not have…

If you know me at all, you know I enjoy nothing more than ultrafiltration and Parylene-C deposition. Now these activities are combined into one device to improve the biocompatibility (platelet activation and adhesion) of nanoporous membranes. In this letter, polyethersulfone…

We deposited a 20/60/20 nm OSO stack for an ellipsometry test.  We decided to try annealing the un-patterned wafer in the RTP at 1050 C with no susceptor with a 100 C/s ramp for 60 s. The attached SEM images…

In collaboration with Alex Shestopalov’s lab, I started working on liquid based PEG treatment on windowed sepcon chips. The treatment is a 3-day long protocol and involves multiple washing and drying steps with different reagents. Most of our sepcon chips broke…

  These Adarza chips were pre wetted with PBS then incubated with fetal bovine serum (FBS) overnight in the refrigerator then rinsed. TRITC (2 mg/mL) added to  chips and incubated at room temperature for one hour. Then rinsed once with…

Josh and I are taking a closer look at how the samples burst and what different factors can affect the strength of the membrane. We are specifically looking at minimum dimension, area, and perimeter. A wafer was designed that contained…

In a previous post, we showed that both Cytochrome C and BSA at concentrations of ~1mg/mL through 20nm cutoff Sepcons with about the same filtrate concentration (~60% of the feed concentration). Yesterday (1/14/13) we repeated these experiments with 10 and 15nm…