Wider/deeper should increase flow.

O2 plasma will not last indefinitely.

Marco
==============================================
Marc Reinig                           Phone: (831) 459-4362
Laboratory for Adaptive Optics        Fax:   (831) 459-5717
UCO/Lick Observatory                  Email: [email protected]
University of California, Santa Cruz
1156 High Street
Santa Cruz, CA 95064


> -----Original Message-----
> From: [email protected] [mailto:mems-talk-
> [email protected]] On Behalf Of Shane GUO
> Sent: Saturday, March 03, 2012 12:40 PM
> To: [email protected]
> Subject: [mems-talk] high resistance of PDMS channels
>
> Hi all,
>
> I am making microchannels with PDMS for guiding flow. The liquid is driven
by
> electroosmosis. Without the channel I can see the liquid moving using
latex
> particles, while nothing could be seen with channels on. I reckon this is
due
> to the high hydraulic resistance. Will it be better if PDMS is treated by
O2
> plasma and becomes hydrophilic? I will also increase the channel height.
Will
> this also help?


_______________________________________________
Hosted by the MEMS and Nanotechnology Exchange, the country's leading
provider of MEMS and Nanotechnology design and fabrication services.
Visit us at http://www.mems-exchange.org

Want to advertise to this community?  See http://www.memsnet.org

To unsubscribe:
http://mail.mems-exchange.org/mailman/listinfo/mems-talk