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Polish Academy of Sciences

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L. Zorzetto

University of Liège (BE)

Recent publications
1.  Sardelli L., Pacheco D.P., Zorzetto L., Rinoldi C., Święszkowski W., Petrini P., Engineering biological gradients, Journal of Applied Biomaterials & Functional Materials, ISSN: 2280-8000, DOI: 10.1177/2280800019829023, Vol.17, No.1, pp.2280800019829023-1-15, 2019

Abstract:
Biological gradients profoundly influence many cellular activities, such as adhesion, migration, and differentiation, which are the key to biological processes, such as inflammation, remodeling, and tissue regeneration. Thus, engineered structures containing bioinspired gradients can not only support a better understanding of these phenomena, but also guide and improve the current limits of regenerative medicine. In this review, we outline the challenges behind the engineering of devices containing chemical-physical and biomolecular gradients, classifying them according to gradient-making methods and the finalities of the systems. Different manufacturing processes can generate gradients in either in-vitro systems or scaffolds, which are suitable tools for the study of cellular behavior and for regenerative medicine; within these, rapid prototyping techniques may have a huge impact on the controlled production of gradients. The parallel need to develop characterization techniques is addressed, underlining advantages and weaknesses in the analysis of both chemical and physical gradients.

Keywords:
graded scaffolds, rapid prototyping, bioinspired, microfluidic, gradient characterization, cartilage, bone

Affiliations:
Sardelli L. - Politecnico di Milano (IT)
Pacheco D.P. - Politecnico di Milano (IT)
Zorzetto L. - University of Liège (BE)
Rinoldi C. - other affiliation
Święszkowski W. - other affiliation
Petrini P. - Politecnico di Milano (IT)

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