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Review paper: Fabrication Techniques Enabling Ultrathin Nanostructured Membranes for Separations
As you may already know, we are writing a review article for the Electrophoresis journal on nanofabrication methods. This post is to request your feedback on the figures included in the manuscript. The main objective of figure 1 is to compare top-down and bottom-up processes to justify the use of the methods reviewed in the…
w685 diffusion
I attempted a diffusion study with w685 three days ago. If you were following the comments on the w685 page, you’ll know I had some difficulty pipetting the protein solution into the well. I haven’t had this problem recently, and when I used to encounter this problem I would etch the remaining backside oxide with…
Dye transport through 501
It took me a little while to figure out how to turn the .avi file into a .gif, but here is an image of the diffusion through 501. Due to a problem with MatLab, it took about 5min before I started taking images of the diffusion. So this starts at ~5 min after the 100mM…
Fluorosphere wash and measurement with Tecan and Fluorescent microscope
Karl and I have been working to measure separations using SEPCONs with particles ranging in size from 20 nm to 1 µm. We started out naively enough by slightly diluting some flourospheres we found in the refrigerator, putting them in the TECAN’s nanoquant plate and pressing run. I know. Ha ha. The first point we should…
Polycarbonate track-etch membrane with high pore length-to-diameter aspect ratio
ByJirachaiI would like to share a collection of high resolution SEM images of nanopores of polycarbonate track-etch (PCTE) membrane. These nanopores have very high pore length-to-diameter aspect ratio of 6000 nm / 25 nm. I hope you find them useful. Cross-section of PCTE membrane Cross-sectional view of long and straight nanopores with a close-up at…
Web Dev 2.0
ByJimCloud based storage and calendaring functions are up and running. Log-in and password When you reset your password using this link, you will be reseting your password for all aspects of the web site: authoring, cloud, calendar, and wikis. If you have trouble, try a password with at least 8 characters and make it more complex than…