Application of Essential Oils to Control the Biodeteriogenic Microorganisms in Archives and Libraries
Author(s): Francesca Bosco, Chiara Mollea, Micaela Demichela, Davide Fissore
More info: Microbial contamination control in indoor environments, such as libraries and archives, represents a challenge. Essential oils (EOs), well-known for their antimicrobial properties, have been applied in pharmaceutical and food industry from many years. In the present study, Thymus vulgaris and Origanum vulgare EO antimicrobial efficacy on paper-born microorganisms, Staphylococcus epidermidis, Rhodotorula mucilaginosa and Alternaria alternata, was investigated to protect water-damaged paper documents and to control indoor air quality for operator’s health safety. T. vulgaris EO was the most effective: Minimum Inhibitory Concentration (MIC) values obtained for S. epidermidis and R. mucilaginosa, with a broth macro-dilution method, were 7.5 microgram/mL and 5.63 microgram/mL, respectively. T. vulgaris EO (0.75% v/v), nebulized immediately after the inoculation on agar plates or paper sheets, showed a high inhibition effect against the three biodeteriogenic microorganisms, also when lyophilized on paper sheets; in this last case, the EO has a higher efficacy when applied immediately after the freeze drying. Regarding the EO effect against A. alternata, the inhibition percentage of the mycelial growth, MGI, (81.4%), observed for nonsporulated mycelium, was higher than that for the sporulated one (51.4%). Finally, T. vulgaris EO (0.75% v/v) was effectively applied on a real contaminated book cover by means of EO impregnated contact sheets. Obtained results demonstrated that tested EOs were able to delay or completely inhibit paper-born microorganism growth for both flood-independent or -dependent contamination.
2022 | Journal Articles
Post Un-Lock. From Territorial Vulnerabilities to Local Resilience
Author(s): Grazia Brunetta, Patrizia Lombardi, Angioletta Voghera
More info: This open access book builds a framework that holds together numerous open issues in territorial planning: from the understanding of territorial, landscape, environmental and climatic dynamics to the analysis of local vulnerabilities, to the use of modern survey techniques to support planning. What is the role of urban and regional planning in achieving the sustainable development goals of our communities considering the major issues posed by the COVID-19 pandemic in urban planning? And how do these medium- and long-term objectives interact with the needs that the emergency has given rise to? Post Un-Lock—from territorial vulnerabilities to local resilience—aims to provide the reader with a useful key to understand how the COVID-19 pandemic can be seen as a catalyst for a restart based on the concepts of sustainability and resilience. In fact, the COVID-19 experience evidences the need to propose a planning system able to integrate multiple scales according to an interdisciplinary approach focused on in-depth knowledge of the territorial risks and vulnerabilities. Besides, with the contribution of the new technologies, it is able to rethink spaces on a neighbourhood scale, conceived as a "local resilience unit" that ensures the population high standards of safety, liveability, and accessibility to proximity services. In this view, planning is increasingly concerned about social aspects and the well-being of communities, supported by indicators and evaluation tools. With the proposal of the concept of local resilience unit, Post Un-Lock takes a step forward towards the definition of a new paradigm of local planning and a topic for urban regeneration.
2023 | Book Editing
Oily Industry Impacts on the environmental vulnerability of the territories: case of Fuel Commercializing Company of Villa Clara, Cuba
Author(s): David Castro, Omar Gutiérrez, Jelvys Bermudez, José Poma; Bernardo Lopez, Micaela Demichela
More info: The production, storage and transportation of hydrocarbons involve risks of environmental polluti...on. The goal was to characterize the pollution by hydrocarbons, caused by the operations of the Fuel Commercializing Company of Villa Clara (ECCVC, in advanced), on the different environmental recipients. Four comprehensively geographical strata were established on the research area. It was monitored with 4 sample stations, the oily treatment system of the ECCVC over a period of 3 years. Furthermore, seven wells were selected to sample upstream and downstream the ECCVC. The results suggest the contamination with hydrocarbons in the recipients has been related with the management of oily residuals in the ECCVC. The inadequate design features of the lagoon and the lack of maintenance of the API separator were the main possible causes of the failure modes identified with high risk priority numbers. A management plan was designed. The results highlight the negative environmental impact caused by the ECCVC operations, acting as a permanent stressor on the territory, whereas contributing to increase the near community vulnerability against hydrocarbon pollution.
2020 | Book Section
Modal Identification of Structures with Interacting Diaphragms
Author(s): Rosario Ceravolo, Erica Lenticchia, Gaetano Miraglia, Valerio Olivia, Linda Scussolini
More info: "System identification proves in general to be very efficient in the extraction of modal parameters of a structure under ambient vibrations. However, great difficulties can arise in the case of structures composed of many connected bodies, whose mutual interaction may lead to a multitude of coupled modes. In the present work, a methodology to approach the identification of interconnected diaphragmatic structures, exploiting a simplified analytical model, is proposed. Specifically, a parametric analysis has been carried out on a numerical basis on the simplified model, i.e., a multiple spring–mass model. The results were then exploited to aid the identification of a significant case study, represented by the Pavilion V, designed by Riccardo Morandi as a hypogeum hall of the Turin Exhibition Center. The structure is indeed composed of three blocks separated by expansion joints, whose characteristics are unknown. As the main result, light was shed on the contribution of the stiffness of the joints to the global dynamic behavior of structures composed of interacting diaphragms, and, in particular, on the effectiveness of the joints of Pavilion V."
2022 | Journal Articles
Design and Modeling Renewable Energy Communities: A Case Study in Cagliari (Italy)
Author(s): Guglielmina Mutani, Yasemin Usta
More info: Renewable energy communities (RECs) are non-profit organizations made up of members who join to produce and exchange clean energy for sustainable development. This work analyzes different REC scenarios, considering energetic, economic, and environmental perspectives. The case study is a typical condominium of eight apartments with a low energy class in Cagliari (Italy). This study considers the condominium with different energy efficiency levels before and after retrofit interventions together with solar technologies to produce energy. Future scenarios include both the share of energy between the eight apartments within the condominium and a REC composed of two neighboring condominiums. At condominium scale, results showed better outcomes in aggregating the energy share from the PV generation into a single point of sharing (PoS). In the REC scenario with a neighboring building, and after retrofit interventions, the self-sufficiency index was increased by 26% with a decrease of 23% in GHG emissions, which shows the importance of having retrofitted and smart buildings boosting the renewable energy sources in achieving a more sustainable built environment. The methodology of this work with a new software can be a useful decision-making tool to test the effectiveness of RECs and it can be applied to building, neighborhood, or district scales.
2022 | Journal Articles
Bridging the Gap: The Measure of Urban Resilience
Author(s): Grazia Brunetta, Alessandra Faggian, Ombretta Caldarice
More info: The concept of resilience has arisen as a “new way of thinking”. It was applied in planning at th...e end of the last century as a concept that encourages policies to face stress factors and react by renewing and innovating cities. Resilience becomes instrumental in addressing both causes and effects of significant global challenges. As it motivates the transformative potentials of cities, resilience is commonly named “co-evolutionary resilience” or, most recently, “transformative resilience”. Following this more profound meaning, resilience is not only the opposite of vulnerability but also a “broad concept”, whose final purpose is to prevent and manage unforeseen events together with the improvement of the environmental and social quality of a territorial system. In a nutshell, this approach characterises resilience as a territorial systems’ capacity to respond systemically and dynamically to the present and future shocks related to significant global challenges through non-linear transformation processes. Such processes involve the natural and anthropic characteristics of a territorial system, their performance, quality, and functions. Although the theoretical debate on resilience is deeply investigated, several methodological challenges remain mainly related to the concept’s practical sphere. As a matter of fact, resilience is commonly criticised for being too ambiguous and empty meaning. At the same time, turning resilience into practice is not easy to do. We need to measure resilience because its assessment allows consideration of what resilience is practical and what it is possible, and at which point resilience is realistically likely to fail. This will be arguably one of the most impactful global issues for future research on resilience.
The Special Issue “Bridging the Gap: The Measure of Urban Resilience” falls under this heading. To the best of our knowledge, it seeks to synthesise the state-of-the-art knowledge of theories and practices on measuring resilience. We were particularly interested in papers that address one or more of the following questions: “What are the theoretical perspectives of measuring urban resilience? How can urban resilience a property to be measured? What are the existing models and methods for measuring urban resilience? What are the main features that a technique for measuring urban resilience needs to guide proper adaptation and territorial governance? What is the role of measuring urban resilience in operationalising cities’ ability to adapt, recover and benefit from shocks?”
The Special Issue “Bridging the Gap: The Measure of Urban Resilience” falls under this heading. To the best of our knowledge, it seeks to synthesise the state-of-the-art knowledge of theories and practices on measuring resilience. We were particularly interested in papers that address one or more of the following questions: “What are the theoretical perspectives of measuring urban resilience? How can urban resilience a property to be measured? What are the existing models and methods for measuring urban resilience? What are the main features that a technique for measuring urban resilience needs to guide proper adaptation and territorial governance? What is the role of measuring urban resilience in operationalising cities’ ability to adapt, recover and benefit from shocks?”
2021 | Journal Articles