Urban renewal: strategies for high density residential suburbs regeneration
This article summarizes the main results of a research conducted by the University of Bologna, Department of Architecture, within the framework of the Research Program PRIN 2008, «Renovation, regeneration and valorisation of social housing settlements built in the suburban areas in the second half of last century». Once quantified the residential stock, a methodology for multidisciplinary analysis, applied to a specific case study (the district of Pilastro in Bologna), aimed at evaluating the different complementary aspects of building quality (social, functional, technical and environmental ones) was developed with the objective of formulating strategies of intervention and models aimed at reducing the problems detected.
Real Estate Investment: A Capital Market Approach
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Rational Design, Synthesis and Evaluation of γ-CD-Containing Cross-Linked Polyvinyl Alcohol Hydrogel as a Prednisone Delivery Platform
This study describes the in-silico rational design, synthesis and evaluation of cross-linked polyvinyl alcohol hydrogels containing γ-cyclodextrin (γ-CDHSAs) as platforms for the sustained release of prednisone (PDN). Through in-silico studies using semi-empirical quantum mechanical calculations, the effectiveness of 20 dicarboxylic acids to generate a specific cross-linked hydrogel capable of supporting different amounts of γ-cyclodextrin (γ-CD) was evaluated. According to the interaction energies calculated with the in-silico studies, the hydrogel made from PVA cross-linked with succinic acids (SA) was shown to be the best candidate for containing γ-CD. Later, molecular dynamics simulation studies were performed in order to evaluate the intermolecular interactions between PDN and three cross-linked hydrogel formulations with different proportions of γ-CD (2.44%, 4.76% and 9.1%). These three cross-linked hydrogels were synthesized and characterized. The loading and the subsequent release of PDN from the hydrogels were investigated. The in-silico and experimental results showed that the interaction between PDN and γ-CDHSA was mainly produced with the γ-CDs linked to the hydrogels. Thus, the unique structures and properties of γ-CDHSA demonstrated an interesting multiphasic profile that could be utilized as a promising drug carrier for controlled, sustained and localized release of PDN.