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Lift-Off Grant Update 01.12.16
160112 LO Grant Update
Fabricating 500 nm Channels in Silicon Wafers
Summary This post complements Fabricating 0.5 um Channels in Microscope Slides for Staph Invasion Assays. Challenges in the etch transfer process necessitated switching to a different substrate that had stronger selectivity. With that in mind, we set out to create 500×500 nm channels in silicon wafers for the bone invasion study. We had partial success (micron-sized…
BMES 18 – Exosomes: separation and sensing
Hello everyone, Aslan and I attended talks regarding EVs enrichment which can be divided into two broad categories depending on their ability to recover and reuse the EVS or not. There is a recent review called “New technologies for analysis of extracellular vesicles” published this year on Chemical Reviews. Their breakdown of the different methods…
Adsorption of F-BSA on PEGylated pnc-Si, PEGylated Glass, Glass
This study was run to test test the efficacy of PEGylation in blocking BSA adsorption. Three surface types were used, glass, PEGylated glass, and PEGylated pnc-SI. The glass was cleaned in Ethyl Alcohol, dried and UV treated, PEGylated glass was procured from Microsurfaces Inc. who also PEGylated our samples of pnc-Si, which did not have…
High temperature deposition of NSN and OSO stacks
ByJoe QiIn this post, we’ll discuss a little bit about how would the deposition temperature affect the pore formation and pore morphology. I first show some previous results of the effect of deposition temperature on the porosity and pore size from Dave. From this plot, it shows that the relative low deposition temperature barely affects the…
Zetapotential of Uncharged Nanofluidic Transistor Devices
Last week Sarah and I made several standard nanofluidic transistor (NFT) stacks (3 nm Ti, 12 nm Ag over a 3-slot SiN membrane – wafer # 1024) in the cleanroom. I then measured the zetapotential of these devices at pH 7.43, and we thought that because the outer layer of the chip was Al2O3 that the…