As a follow-up to the question below (silanizing PDMS): Does anyone have any advice for silanizing a glass microchannel? All that matters for me is contact angle (the higher the better), so other suggestions are appreciated as well. Any specific protocol details would be useful. Thanks, Kevin Paul Nichols MESA+ Institute for Nanotechnology Mesoscale Chemical Systems Meander 151 University of Twente Postbus 217 7500 AE Enschede The Netherlands Office: +31 (0)53 489 26 31 Mobile: +31 (0)6 49 312 471 Fax : +31 (0)53 489 35 95 Email : k.p.nichols@utwente.nl Web : http://mcs.tnw.utwente.nl/ > From: Bill Moffat> Reply-To: General MEMS discussion > Date: Tue, 19 Aug 2008 08:22:00 -0700 > To: Jian Wang , General MEMS discussion > > Subject: Re: [mems-talk] Gas Phase Lubricant > > If you pull a vacuum in the micro channel, then pull in the vapor of > heptadecafluoro silane. There are a variety of hepta deca's, get back > to me for complete information. This should give you a contact angle of > 130 degrees compared to Teflon's 120 degrees. > > Bill Moffat > > -----Original Message----- > From: mems-talk-bounces@memsnet.org > [mailto:mems-talk-bounces@memsnet.org] On Behalf Of Jian Wang > Sent: Tuesday, August 19, 2008 7:10 AM > To: 'General MEMS discussion' > Subject: [mems-talk] Gas Phase Lubricant > > Dear all, > > I am working on PDMS microdevice. I need to lubricate the moving parts > in the microchannels (200 um). Any suggestion about gas phase lubricant > for microchannels? > > Appreciate your help.