Hello everyone! I’d like to show you some recent result about pnc-Ge membrane. We have been thinking to replace Si with Ge for a long time to see whether we can transfer pore formation to another materials other than silicon.…

Update 8/15/14: Replaced the plots with updated versions including more data for NPN (now n = 3) and cellulose (n = 4,) as well as new high-flux polyethersulfone membrane data (n = 3.) I also dropped one clearly erroneous datapoint from…

Kevin was kind enough to share his presentation with us from his visit this July:   Here is the link on Owncloud:   http://drive.bbe.23a.myftpupload.com/public.php?service=files&t=c3eceae62439a478b4d1b676924e45ee

We’ve been doing a lot of work characterizing SEPCON performance in forward and reverse configuration.  One lesson we’ve learned is that a vertical orientation might be best for high particle concentrations.  I discussed this with Greg and he graciously came…

I posted previously about an issue we have with needing to strip the native oxide from the sacrificial silicon layer prior to performing the through-pore etch with XeF2 that enables separation of the oxide membrane from the wafer substrate.  The…

This is a followup to my previous post, found here. Some of the data in that post is now outdated and will be replaced with newer data here. I’ve added to the comparison the diffusion of cytochrome C and urea…

We borrowed a method first published by Jahn et alii about 7 years ago, in which lipid dissolved in ethanol are streamed through a central channel and compressed by 2 streams of  buffer (we used PBS).  This hydrodynamic focusing results…

In this post I address every objective we started with and summarize our results: a) Building of research capacity at Fisher. —–> We would like to to produce our lipid-based nano particles in a cheaper and more reproducible way. For the…

Overview: After trying an initial experiment of growing ADSCs on TCP and 3um translucent (TE) membranes and then placing them onto TCP or 3lp SiO2 membranes, it was determined that further studies should be conducted. For this experiment we grew…

Overview: Bob etched 4 non-porous membranes, on the backside of the membrane. HUVECs were to be grown on these etched non-porous SiO2 membranes and compared to unetched non-porous membranes. Below Bob describes how the membranes were etched: “Four of the non-porous SiO2…