Enhancement of electrical signaling in neural networks on graphene films.

Abstract:

:One of the key challenges for neural tissue engineering is to exploit supporting materials with robust functionalities not only to govern cell-specific behaviors, but also to form functional neural network. The unique electrical and mechanical properties of graphene imply it as a promising candidate for neural interfaces, but little is known about the details of neural network formation on graphene as a scaffold material for tissue engineering. Therapeutic regenerative strategies aim to guide and enhance the intrinsic capacity of the neurons to reorganize by promoting plasticity mechanisms in a controllable manner. Here, we investigated the impact of graphene on the formation and performance in the assembly of neural networks in neural stem cell (NSC) culture. Using calcium imaging and electrophysiological recordings, we demonstrate the capabilities of graphene to support the growth of functional neural circuits, and improve neural performance and electrical signaling in the network. These results offer a better understanding of interactions between graphene and NSCs, also they clearly present the great potentials of graphene as neural interface in tissue engineering.

journal_name

Biomaterials

journal_title

Biomaterials

authors

Tang M,Song Q,Li N,Jiang Z,Huang R,Cheng G

doi

10.1016/j.biomaterials.2013.05.024

subject

Has Abstract

pub_date

2013-09-01 00:00:00

pages

6402-11

issue

27

eissn

0142-9612

issn

1878-5905

pii

S0142-9612(13)00589-9

journal_volume

34

pub_type

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