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Culture preparation. (A) A circuit of locust neurons cultured and stabilized using 20 μm CNT islands. The cells position themselves according to the spatial distribution of the islands. The topography of the substrata also dictates the neuronal interconnections. Scale bar, 50 μm. (B) A high-resolution scanning electron microscope image of a single locust neuron adhering to an array of CNT islands; also shown are the taut neurites connecting it to neighboring islands. Scale bar, 10 μm.
