Re: [DIYbio] 6 minute electrophoresis without buffer

On Thu, Mar 7, 2013 at 4:57 PM, Simon Quellen Field <sfield@scitoys.com> wrote:
> How about using activated charcoal for the electrodes?
> They can adsorb thousands of times as much gas as aluminum and palladium.
> You could probably just cast the powder right into the gel.
> Then use any kind of wire on top of the powder to attach the power.
>
> Increased resistance should not be a worry. The gel itself has a higher

I think the reference meant the gas would form an insulator
eventually, resistance that high means you DNA isn't moving anymore.

I've been reading about HCl, and learned that it is synthesized first
by electrolysis of brine (2 NaCl + 2 H2O) to (2 NaOH + H2 + Cl2) and
then the gas is exposed to UV to form HCl. So maybe adding a row of UV
LEDs at the electrodes would reduce gas evolution or stop it. The
trade-off is more watts electricity and UV leds/lights.

--
-Nathan

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