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Kidney Week!
I went to Kidney Week in Philly, Nov 13-15. American Society of Nephrology. I spent most of my time in the Bioengineering talks and posters. Here are some highlights. I put the Abstracts pdf on the cloud. Recellularization of Vascular and Tubular Compartments of Rat Kidney Scaffolds with Embryonic Stem Cells Basically, they perfused…
Comparison of Treated and Untreated Diffusion
ByMike HIn preparation for Tuesdays meeting Jim asked me to prepare this chart to compare the results of the treated and untreated diffusion experiments from this summer. The chart values given are the percent concentration of the sample filtrate in comparison to the original “feed” solution. For instance in all of my experiments the initial “feed”…
Beta-2 Microglobulin protein, and its surrogate Cytochrome c
Introduction: Kidney failure, also called ESRD, is the last stage of chronic kidney disease (CKD) where kidneys function below 10 to 15 percent of their normal levels. In the United States, there are over 660,000 ESRD patients from all ages, genders, and backgrounds. ESRD causes reduced urination in the body and subsequently, waste products and…
TEOS and pnc-Si Discoloration Assay
Over the last week, I’ve run a discoloration assay similar to one run a while back (Barrett’s post here). It was demonstrated in a subsequent paper (Agrawal2010) that annealing the pnc-Si films prevents discoloration of the membrane, which he tied to the nanomembrane remaining intact. I was given a few chips from the recent TEOS lot,…
Pore control… on a wafer scale?
Last week the rotation stage broke in the middle of a deposition. The wafer came out looking very non-uniform, and judging by the color of the film there was at least a 10 nm gradient. Since I’m not sure when the motor stopped, it’s hard to say if the underlying oxide is non-uniform as well,…
Nanopore Battery Review
Nanobattery Paper Nanobattery Supplement I have long desired to make energy storage devices with our nanomembranes (supercapacitor post), mainly because they would be really great separators, having both excellent charge conduction and physical barrier resistance due to the porosity and material properties of silicon. Other groups have begun to take advantage of the increased…