Carbon microelectromechanical systems as a substratum for cell growth

Biomedical Materials
G Turon TeixidorM Madou

Abstract

The study of the biocompatible properties of carbon microelectromechanical systems (carbon-MEMS) shows that this new microfabrication technique is a promising approach to create novel platforms for the study of cell physiology. Four different types of substrates were tested, namely, carbon-MEMS on silicon and quartz wafers, indium tin oxide (ITO) coated glass and oxygen-plasma-treated carbon thin films. Two cell lines, murine dermal fibroblasts and neuroblastoma spinal cord hybrid cells (NSC-34) were plated onto the substrates. Both cell lines showed preferential adhesion to the selectively plasma-treated regions in carbon films. Atomic force microscopy and Fourier transform infrared spectroscopy analyses demonstrated that the oxygen-plasma treatment modifies the physical and chemical properties of carbon, thereby enhancing the adsorption of extracellular matrix-forming proteins on its surface. This accounts for the differential adhesion of cells on the plasma-treated areas. As compared to the methods reported to date, this technique achieves alignment of the cells on the carbon electrodes without relying on direct patterning of surface molecules. The results will be used in the future design of novel biochemical sensors, drug ...Continue Reading

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Citations

Jan 28, 2012·Lab on a Chip·Ioana DumitrescuRichard M Crooks
Sep 6, 2012·Langmuir : the ACS Journal of Surfaces and Colloids·Gobind S BishtMarc Madou
Feb 11, 2010·Acta Biomaterialia·Vicki L ChavezBryan D Vogt
Sep 4, 2012·Electrophoresis·Rodrigo Martinez-Duarte
Jul 28, 2011·Electrophoresis·Rodrigo Martinez-DuarteMarc J Madou
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Aug 5, 2010·ACS Applied Materials & Interfaces·Chandra S SharmaAshutosh Sharma
Feb 25, 2011·Analytical Chemistry·Andrew J Gross, Alison J Downard

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