Self-Aligned Functionalization Approach to Order Neuronal Networks at the Single-Cell Level

Langmuir : the ACS Journal of Surfaces and Colloids
Adrien CasanovaGuilhem Larrieu

Abstract

Despite significant progress, our knowledge of the functioning of the central nervous system still remains scarce to date. A better understanding of its behavior, in either normal or diseased conditions, goes through an increased knowledge of basic mechanisms involved in neuronal function, including at the single-cell level. This has motivated significant efforts for the development of miniaturized sensing devices to monitor neuronal activity with high spatial and signal resolution. One of the main challenges remaining to be addressed in this domain is, however, the ability to create in vitro spatially ordered neuronal networks at low density with a precise control of the cell location to ensure proper monitoring of the activity of a defined set of neurons. Here, we present a novel self-aligned chemical functionalization method, based on a repellant surface with patterned attractive areas, which permits the elaboration of low-density neuronal network down to individual cells with a high control of the soma location and axonal growth. This approach is compatible with complementary metal-oxide-semiconductor line technology at a wafer scale and allows performing the cell culture on packaged chip outside microelectronics facilities...Continue Reading

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Citations

Jan 17, 2020·Advanced Materials·Stuart G HigginsMolly M Stevens
Oct 3, 2018·Journal of Physics. Condensed Matter : an Institute of Physics Journal·A CasanovaG Larrieu
Sep 29, 2020·Frontiers in Computational Neuroscience·Adriaan-Alexander Ludl, Jordi Soriano
Sep 17, 2018·Biosensors & Bioelectronics·Dipali R Bagal-KestwalBeen-Huang Chiang
Aug 25, 2020·ACS Applied Bio Materials·Akihiro NishiguchiMartin Moeller
Jan 19, 2021·ACS Biomaterials Science & Engineering·Yue ShiPeng-Yuan Wang

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