How can neurons respond to optical stimulation without genetic or structural alterations? Turns out that a thin-layer carbon sheet might do the trick.



Summary

Neurons can be stimulated with light without genetic modifications or structural changes using a thin layer of carbon material. This carbon sheet interacts with light in a way that triggers neuronal activity. Essentially, the light’s energy is converted into electrical signals that the neurons can recognize and respond to, effectively bypassing the need for traditional optogenetic methods that require genetic manipulation to express light-sensitive proteins. This provides a non-invasive and potentially more straightforward approach to controlling neuronal function with light.

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