Home > Publications database > High‐Aspect‐Ratio Nanoelectrodes Enable Long‐Term Recordings of Neuronal Signals with Subthreshold Resolution > print

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100 1 _ |a Shokoohimehr, Pegah
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245 _ _ |a High‐Aspect‐Ratio Nanoelectrodes Enable Long‐Term Recordings of Neuronal Signals with Subthreshold Resolution
260 _ _ |a Weinheim
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520 _ _ |a The further development of neurochips requires high-density and high-resolution recordings that also allow neuronal signals to be observed over a long period of time. Expanding fields of network neuroscience and neuromorphic engineering demand the multiparallel and direct estimations of synaptic weights, and the key objective is to construct a device that also records subthreshold events. Recently, 3D nanostructures with a high aspect ratio have become a particularly suitable interface between neurons and electronic devices, since the excellent mechanical coupling to the neuronal cell membrane allows very high signal-to-noise ratio recordings. In the light of an increasing demand for a stable, noninvasive and long-term recording at subthreshold resolution, a combination of vertical nanostraws with nanocavities is presented. These structures provide a spontaneous tight coupling with rat cortical neurons, resulting in high amplitude sensitivity and postsynaptic resolution capability, as directly confirmed by combined patch-clamp and microelectrode array measurements.
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700 1 _ |a Cepkenovic, Bogdana
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700 1 _ |a Milos, Frano
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700 1 _ |a Bednár, Justus
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700 1 _ |a Hassani, Hossein
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700 1 _ |a Maybeck, Vanessa
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700 1 _ |a Offenhäusser, Andreas
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773 _ _ |a 10.1002/smll.202200053
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