Training School COST Action NAMABIO MP1005 4th Course – 14th-17th October 2014 Cyprus Student Presentation: Nicola Contessi 2 About Me My Hometown ü 2008 - 2011: BSc in Biomedical Engineering – Politecnico di Milano, Italy ü 2011 - 2013: MSc in Biomedical Engineering (Track in Engineering for Cells, Tissues and Biotechnologies) – Politecnico di Milano, Italy (Master thesis stage at University of Brighton, UK) ü Starting November 1st 2014: PhD Student in Biomedical Engineering – Politecnico di Milano, Italy Nome relatore 3 Research Group and Contacts Politecnico di Milano, Milan, Italy http://www.polimi.it BioMatLab Department of Chemistry, Materials and Chemical Engineering “G. Natta” • 1 Full Professor • 1 Associated Professor • 2 Assistant Professors • 3 Research Fellows • 2 PhD Students • 10 Master Students • Silvia FARE’ – Assistant Professor: [email protected] • Serena BERTOLDI – Research Fellow (COST): [email protected] • Nicola CONTESSI – PhD Student: [email protected] Nome relatore Activities and Topics 4 • Synthesis, production and optimisation of innovative synthetic and natural polymers as biomaterials for scaffolds production • Particular interest in cardiovascular and bone tissue regeneration • Morphological, chemico-physical and mechanical characterisation • Surface treatments and biomimetic approaches to improve and control cell-biomaterial interactions • Study of biomolecules and drugdelivery systems • In vitro studies of biomaterials cells interactions Nome relatore 5 Some Collaborations of Ours University of Oslo (N) Ecole Polytechnique de Montreal (CDN) University of Queensland (AUS) Politecnico di Milano (IT) Universitè Laval (CDN) University of Brighton (UK) University of Twente (NL) Nome relatore Università del Piemonte Orientale (IT) Research Experience 6 1) Introduction Stem Cell Potency: unique capability of differentiation in several cell phenotypes great interest for biomedical applications (e.g. regenerative medicine) Applicative limitation: • In vitro formation of “colony forming unit - fibroblasts” • Loss of stem cell potency è Lack of culture substrates that allow the stem cell potency maintenance Nome relatore Research Experience 7 2) Materials and Methods • Production and optimisation of polyurethane bi-dimensional films (macro/microscopic observation, chemical and mechanical characterisation) • Films surface activation (plasma + chemical treatments) and functionalisation by dendrons synthesised on purpose (surface characterisation by titration curves, ATR/FT-IR and static contact angle) • In vitro tests to investigate substrate – cells interactions (cell morphological analysis by SEM, DAPI and CellTracker) Nome relatore 8 Research Experience 3) Results • Standardised and optimised PU production process • ATR/FT-IR and static contact angle surface characterisation • S p h e r o i d a l a g g r e g a t e s o n functionalised polyurethane films Homogeneous, reproducible and transparent films Verified functionalisation of polyurethane films with the synthesised dendrons PU films +dendrons VS fibroblast-like morphology on TCP TCP Nome relatore Stem cell potency maintenance on functionalised films Training School COST Action NAMABIO MP1005 4th Course – 14th-17th October 2014 Cyprus
© Copyright 2024 ExpyDoc