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In previous experiments attempting to culture ADSC on non-porous and porous (0.5 µm, 3.0 µm) SiO2 membranes, we were having difficulty getting the ADSC to attach to the membranes. A majority of the ADSC did not appear well-spread. While in culture or staining, ADSC would detach from the membrane with little to no agitation. Changes…

We’ve completed two successful 4-hour small animal hemodialysis experiments. I’ve also analysed the serum from all previous experiments. This graph shows only the recently analysed serum and doesn’t include the previously analyzed data. I’ll give a more detailed analysis of these results when we finish the next two animals, mid April. I’m in the midst of  submitting…

As a continuation of the substrate bias series, I deposited a 15 nm film with 05 W substrate bias and annealed at 1000 C. TEM shows that this condition generates a 13.4% porosity and a max pore size of ~40 nm! Here is a comparison of all the bias conditions tested thus far: I believe…

Hybrid silica studies the size of their particles by fluorescence correlation spectroscopy. I used our dynamic light scattering instrument to see what sizes it would get from these particles. Their 45nm particles: Avg center of peak = 46.2 nm Avg width = 15.6 Their 22nm particles: Avg peak center = 27.8nm Avg width = 7.5nm…

The overall goal was to see is if it was possible to create a reliable low resolution mask that can be used for crosslinking PEG structures using a laser printer and transparencies sheets. With these masks, I explored to see if there is an effect on the PEG structures when dimensions such as the spacings…