On Thu, Feb 19, 2015 at 8:43 AM, John Griessen <john@industromatic.com> wrote:
On 02/19/2015 01:59 AM, Nathan McCorkle wrote:
I'm up to work on microfluidic gel electrophoresis capillaries, if other folks were willing to help with choosing things like what
port/connector to use on the microfluidic portion of the system and other parts of the system too.
What do you think of that polyamide pcb I sent you as microchannel fabbing tech?
It's a material that
can be bonded, and I think it is fairly inert for chemistry reactions and purity...
I haven't looked into the chemical compatibility yet, but I do wonder if they sell them without being sandwiched together, or what other options they might provide. Would the channel walls be metal or polyimide? How would the void/channel space be realized, etc. Also, if 50 microns is the lower limit, I wonder what the cost of these in small-volumes is compared to fabbing a master impression stamp, then stamping some silicone.
For something like gel electrophoresis, the chemicals aren't too harsh generally, so chemical compatibility seems like it would probably be fine.
Connecting the end of a sandwich might be somewhat challenging (since the connection would have to support some pressure to pump in the agarose), but grabbing the end and pulling it into a silicone slab with a hole in it might work for connecting the capillary up to a macro-connector.
and its a fine insulator
if thinking of applying Volts. The channel size seems like around 50 micron, but I did not put a ruler to it yet.
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