Hm, that's interesting. Thanks, Brian! I do think that the DIY plant bio community would already have a nice amount of research to do with the (experimentally) simpler and more macroscopic surface electrode recordings. Nonetheless, single cells would be cool!
On Wednesday, May 9, 2012 1:07:58 PM UTC-4, PatrickG wrote:
So I was browsing scholarly articles, and came across a number of studies on plant electrophysiology, and the role of action potentials as well as the much-slower variation potentials in plant signaling. Sounds cool, I thought, but of course playing with intracellular electrodes or patch clamps are beyond the ability of most DIY Bio folks (especially this one). However, I noticed that numerous studies had used Ag/AgCl electrodes placed on the surface of the plant with conductive gel (similar to an ECG I assume?) or inserted into the plant and connected to a data acquisition device to obtain interesting whole-plant electrophysiology results. For instance, this paper describes some possible methods for measuring electrical signals. I'm most interested in the surface recordings, as they seem the most accessible for us DIYers. Anyone else interested? It seems like a fascinating, under-researched topic that is decently accessible to the home experimenter, and a decent number of experimenters could enable additional interesting investigation, such as possible correlation between stimulus and the nature of the response waveform.--What does everyone think?PS if the link is broken for anyone (it works for me) the article is titled "Electrical signals and their physiological significance in plants" by Fromm and Lautner.
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