CUED Publications database

Nanostructured conducting polymers for stiffness controlled cell adhesion.

Moyen, E and Hama, A and Ismailova, E and Assaud, L and Malliaras, G and Hanbücken, M and Owens, RM (2016) Nanostructured conducting polymers for stiffness controlled cell adhesion. Nanotechnology, 27. 074001-.

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UNLABELLED: We propose a facile and reproducible method, based on ultra thin porous alumina membranes, to produce cm(2) ordered arrays of nano-pores and nano-pillars on any kind of substrates. In particular our method enables the fabrication of conducting polymers nano-structures, such as poly[3,4-ethylenedioxythiophene]:poly[styrene sulfonate] ( PEDOT: PSS). Here, we demonstrate the potential interest of those templates with controlled cell adhesion studies. The triggering of the eventual fate of the cell (proliferation, death, differentiation or migration) is mediated through chemical cues from the adsorbed proteins and physical cues such as surface energy, stiffness and topography. Interestingly, as well as through material properties, stiffness modifications can be induced by nano-topography, the ability of nano-pillars to bend defining an effective stiffness. By controlling the diameter, length, depth and material of the nano-structures, one can possibly tune the effective stiffness of a (nano) structured substrate. First results indicate a possible change in the fate of living cells on such nano-patterned devices, whether they are made of conducting polymer (soft material) or silicon (hard material).

Item Type: Article
Depositing User: Cron Job
Date Deposited: 10 Sep 2017 20:11
Last Modified: 19 Jul 2018 06:44