http://www.cnr.it/ontology/cnr/individuo/prodotto/ID202540

Novel biodegradable, biomimetic and functionalised polymer scaffolds to prevent expansion of post-infarct left ventricular remodelling (Articolo in rivista)

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Novel biodegradable, biomimetic and functionalised polymer scaffolds to prevent expansion of post-infarct left ventricular remodelling (Articolo in rivista) (literal)

Anno

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Alternative label

Cristallini, Caterina [ 1 ];Gagliardi, Mariacristina [ 2 ]; Barbani, Niccoletta[ 2 ]; Giannessi, Daniela [ 3 ] Guerra, Giulio D. [ 1 ] (2012)
Novel biodegradable, biomimetic and functionalised polymer scaffolds to prevent expansion of post-infarct left ventricular remodelling
in Journal of materials science. Materials in medicine
(literal)

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Cristallini, Caterina [ 1 ];Gagliardi, Mariacristina [ 2 ]; Barbani, Niccoletta[ 2 ]; Giannessi, Daniela [ 3 ] Guerra, Giulio D. [ 1 ] (literal)

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ID_PUMA: cnr.ifc/2011-A0-138. - Received: 30 July 2011 / Accepted: 16 November 2011 / Published online: 6 December 2011 (literal)

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Rivista

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[ 1 ] UOS Pisa, Inst Composite & Biomed Mat, CNR, I-56122 Pisa, Italy; [ 2 ] Univ Pisa, Dept Chem Engn Ind Chem & Mat Sci, I-56122 Pisa, Italy; [ 3 ] CNR, Inst Clin Physiol, I-56124 Pisa, Italy (literal)

Titolo

Novel biodegradable, biomimetic and functionalised polymer scaffolds to prevent expansion of post-infarct left ventricular remodelling (literal)

Abstract

Abstract Over the past decade, a large number of strategies and technologies have been developed to reduce heart failure progression. Among these, cardiac tissue engineering is one of the most promising. Aim of this study is to develop a 3D scaffold to treat cardiac failure. A new three-block copolymer, obtained from ?-valerolactone and polyoxyethylene, was synthesised under high vacuum without catalyst. Copolymer/gelatine blends were microfabricated to obtain a ECM-like geometry. Structures were studied under morphological, mechanical, degradation and biological aspects. To prevent left ventricular remodelling, constructs were biofunctionalises with molecularly imprinted nanoparticles towards the matrix metalloproteinase MMP-9. Results showed that materials are able to reproduce the ECM structure with high resolution, mechanical properties were in the order of MPa similar to those of the native myocardium and cell viability was verified. Nanoparticles showed the capability to rebind MMP-9 (specific rebinding 18.67) and to be permanently immobilised on the scaffold surface. (literal)

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