Re: [DIYbio] Re: Paper electrophoresis... super available molecule separation?

On 01/30/2013 07:48 AM, Dakota Hamill wrote:
>
> Trying to think of other ways to seal off a narrow channel, to control the
> initial dispersion as you said, but keep open a running
> lane for the DNA or dye to migrate.

Dakota, not too far off from what this paper did:
Electrochemical Detection for Paper-Based Microfluidics
http://diyhpl.us/~bryan/papers2/paperbot/Electrochemical%20Detection%20for%20Paper-Based%20Microfluidics.pdf

"
Preparation of Paper-Based Microfluidic Devices. Photolithography was
used to pattern Whatman filter paper 1 according
to previously reported methods.
8,12
Briefly, SU-8 3025 photoresist
was poured on the center of the paper and spread over the paper
using a spin-coater. The photoresist-covered paper was baked at
95 °C for ∼10 min. The paper was then covered with transparency
film photomask generated using a standard laser printer and
irradiated with a UV lamp.
"


--
-Nathan

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