Archivio istituzionale della Ricerca - Università degli Studi di Parma
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    116160 research outputs found

    Tourism in Natural and Agricultural Ecosystems in the Eighteenth and Nineteenth Centuries

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    This book analyzes the roots of one of the main human activities that can be developed in natural and agricultural ecosystems: tourism. Attention to natural and agricultural ecosystems and their conservation has intensified in recent decades, responding to increasing social sensitivity to the environment, as also witnessed by Agenda 2030. The book explores the development of tourism in natural and agricultural ecosystems in the eighteenth and nineteenth centuries, when some of its essential features derived from the practices of exploration, scientific study, business, healing practices, and also a desire for personal growth. This research is intended to open up international scholarly debate and discussion and draw in contributions from all disciplines and geographical areas. In addition, it intends to add an important piece to the mosaic of international literature that has rarely considered the origins of nature and rural tourism in an array of practices not always embodying a stated intent of recreation. This book is based on handwritten documents and travelogues circulating during the period in question. Most of the travel experiences analyzed regard men and women of European descent, but their travels were global, with ecosystems considered on all populated continents. This volume is essential reading for students and scholars alike interested in tourism history and the history of science and travel

    Due o tre cose su guanti e Medioevo

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    Allergenicity of tropomyosin variants identified in the edible insect Hermetia illucens (black soldier fly)

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    Insect consumption could address the increasing protein demand in compliance with environmental sustainability. Hermetia illucens (black soldier fly, BSF) is a promising insect for human diet and it is essential to assess the related allergenic risk, meant as primary sensitization or cross-reactivity with known allergens. In this work, we investigate the allergenicity of two tropomyosin variants identified in the BSF genome and produced as recombinant proteins. Immunoblot experiments showed that both proteins were recognized by sera of patients allergic to shrimp or mites highlighting the cross-reactivity risk. CD spectroscopy, cross-linking assays and size-exclusion chromatography showed a structure composed of alpha-helices oligomers for both variants. These proteins were quite stable to pH but sensitive to increasing temperatures. In vitro simulated digestion associated to mass-spectrometry allowed the identification of peptides resistant to gastrointestinal conditions which were compared with epitopes of Arthropoda and Mollusca allergens to predict the persistence of allergenicity upon digestion

    From Salamanca to Florence: the collection of books and manuscripts of Girolamo da Sommaia (early 17th century)

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    With this essay, I intend to reflect on the formation of a patrimony of literary, theatrical, historical, political, and topical writings that traversed from Salamanca to Florence and that, in the course of its journey, changed and acquired a physiognomy that took shape in successive stages. The creator, Girolamo da Sommaia, took care of the collection of these writings throughout his entire life. Coming from a family with an excellent economic standing and linked through his mother Margherita to the Guicciardini family of Florence, descendants of the historian and politician Francesco, Girolamo obtained a licence to study outside the Medici Grand Duchy in his early years. Wishing perhaps to broaden the horizons of his education and his travel and life experiences, he received permission to follow law courses at the University of Salamanca, the most influential in the Spanish monarchy. During the eight years he spent in Salamanca (from 1599 to 1607), Sommaia amassed a significant collection of printed books, manuscripts, and loose sheets. These covered a broad thematic and typological spectrum, ranging from history to theatre, poetry to prose, and reports to gazettes. In his move from Castile to Tuscany, he transported a large number of writings, both printed and manuscript, loose sheets, and bound manuscripts, which, after finding their way into the ancient collections of the Florentine libraries, today represent one of the most important core collections of Spanish volumes, manuscripts, and documents preserved Florence. In this essay, I will focus on the selection and collection of these materials, the forms of reproduction of the writings through copies, the creation of miscellaneous collections, the sorting procedures, and the phase of selecting the texts to be brought to Florence. Within the briefly traced biographical profile of Sommaia, two phases are to be considered: the first covers part of the years Girolamo spent in Salamanca, during which he collected large quantities of books and manuscripts; the second, much shorter, corresponds to his move to Tuscany and the choices related to the selection of the papers and books to be taken with him

    Young equations with singularities

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    In this paper we prove existence and uniqueness of a mild solution to the Young equation dy(t)=Ay(t)dt+σ(y(t))dx(t), t∈[0,T], y(0)=ψ. Here, A is an unbounded operator which generates a semigroup of bounded linear operators (S(t))t≥0 on a Banach space X, x is a real-valued η-Hölder continuous. Our aim is to reduce, in comparison to Gubinelli et al. (2006) and Addona et al. (2022) (see also Deya et al. (2012) and Gubinelli and Tindel, (2010)), the regularity requirement on the initial datum ψ eventually dropping it. The main tool is the definition of a sewing map for a new class of increments which allows the construction of a Young convolution integral in a general interval [a,b]⊂R when the Xα-norm of the function under the integral sign blows up approaching a and Xα is an intermediate space between X and D(A)

    Neutralità climatica ed equità: il potenziale inesplorato della sufficienza. Riflessioni dal progetto CLEVER

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    Nonostante gli sforzi, l’Unione Europea non è ancora sulla strada giusta per stare entro la sua equa quota del risicato budget di carbonio a disposizione per limitare il riscaldamento climatico a 1,5 °C. Attualmente, le strategie dell’Unione Europea per la riduzione delle emissioni di gas serra si concentrano sull’efficienza e sulle energie rinnovabili. È giunto il momento di sbloccare il potenziale della sufficienza energetica, che riguarda il cambiamento della natura e del livello di consumo di servizi energetici. Secondo le stime dello scenario CLEVER (Collaborative Low Energy Vision for the European Region), è possibile ridurre del 55% il consumo di energia finale nella UE nel 2050 rispetto al 2019 ed è possibile raggiungere la neutralità climatica nel 2045. A patto che la sufficienza diventi parte integrante e di prim’ordine della politica energetica e climatica della UE


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