Re: [DIYbio] open source BLM amplifier

> A quick Google search shows Polysporin Pink Eye drops to contain at least Gramacidin... do you think these would work for a quick and dirty signal to noise comparison... an even cheaper and more accessible baseline/standard?

To be able to resolve single channel openings, you need a tight control on the quantity of molecules inserted in the lipid bilayer (final concentration should be in the pM range). By using a solution like the one you mention, you probably won't be able to obtain such precise conditions. In addition, the other chemicals present in the solution may perturb the bilayer formation. So I would advice to find a source of rather pure gramicidin A (and you actually very little of it and its pretty stable for years)

> I would like to upload the electronic and protocol files to github and convert the board to KiCad. Is this acceptable to you?

This is open hardware project so, of course, the answer is yes. The electronics design is licensed under a Creative Commons Attribution Share-Alike license, which allows for both personal and commercial derivative works, as long as the original paper is credited and the derivative designs are released under the same license.

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