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|Title: ||Nanocomposite flexible pressure sensor for biomedical applications|
|Authors: ||Sepúlveda, A. T.|
Guzmán de Villoria, R.
Wardle, B. L.
Viana, J. C.
Pontes, A. J.
Rocha, Luís A.
|Keywords: ||Flexible pressure sensor|
Pressure sensor design
|Issue date: ||2011|
|Abstract: ||A new approach for the fabrication of flexible pressure sensors based on aligned carbon nanotubes (A-CNTs) is described in this paper. The technology is suitable for blood pressure sensors that can be attached to a stent-graft and
deployed during an endovascular aneurysm repair (EVAR) procedure. Given the specifications of EVAR, the device should be foldable (extremely flexible) and characterized by a (very small) profile that integrates with the stent-graft
cross section. A-CNTs embedded in a flexible substrate of polydimethylsiloxane (PDMS), a transparent, nontoxic and biocompatible silicone elastomer, are used to fabricate elements of the capacitive sensors. Fabricated prototypes
validate our approach and show that CNTs/PDMS layered composites can be used to create highly flexible pressure sensors.|
|Publisher version: ||http://www.elsevier.com|
|Appears in Collections:||IPC - Artigos em revistas científicas internacionais com arbitragem|
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