Electrodes

As I understand it, it's an art to pull your own electrodes--and get them to work, anyway. I think there are machines now that can make them somewhat automatically.

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... Chloride ions are present in the buffer this effect is diminished. 2)The buffer is electrolysed at cathode and anode (remebmber the bubbles at the electrodes?) which changes the pH of the buffer. So never reuse the buffer in SDS-gel electrophoresis. If you don't trust your buffer ( or the one who ...

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The electrodes they'll use will just detect electrical activity of your brain - it won't add any.

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A lesser, but potentially hazardous effect might be the concentration of gasses and ions near the points of contact with the electrodes. These might result in blood clots or poisoning, and if in the wrong area of the body, could be serious. (all hypothetically, i'm no MD)

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... of contact printing and vapour growth to selectively deposit single crystals of organic molecules directly between the source and drain electrodes of transistors on both rigid and flexible substrates. Initially, films of hydrophobic organic molecules (octadecyltriethoxysilane) were patterned ...

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