R6G diffusion observed through the plastic substrate

Recently I tested track etched membranes and crystalline silicon (basically the backside of the membrane chips) following the sample buffer adsorption assay. This new data comprises the last two bars on the following chart. I’m surprised to see that crystalline silicon is so low in comparison to pnc-Si. This is something I’d like to test…

http://phys.org/news/2013-03-temp-controlled-nanopores-blood-analysis.html

Two simple diffusion separations were performed before break using membranes from wafers 205 and 213 (locations unknown as these were salvaged/misplaced chips). I ran the samples I collected on a 10% SDS-PAGE gel today. It seems that the membranes were able to separate the standards at two different cutoffs. The missing band in the middle…

I was not entirely satisfied with the amount of data that I received from my last burst pressure wafer, so I processed another wafer. This wafer had some yield loss initially, as well as window sizes that were slightly smaller than expected (by about 50 microns). We expect the mechanical strength of the windows to…

Last week, we wondered whether the wells of pncSi chips created an unstirred volume in which an extreme environment could form (pH, byproducts), thus accelerating discoloration.  To investigate this, I placed one chip flat on the bottom of a plate and another chip balanced upright on the sidewall of a well.  I rotated the plate…