Search results for "STAI"

Design e cibo tra cultura e identità

2017

The paper proposes the cultural aspects of food and the relationship between design and food. Reflections are articulated on how food represents the identity of a people and how food is a vehicle for conservation, innovation and socialization. The cultural aspects of food are many: food tells the story of the territory and its products, the rituals and the symbols of the gastronomic tradition. Today, food in a territory also becomes an expression of values to be promoted and design can bring new opportunities. The design culture, using its tools, starts a virtuous cycle between product and territory and can carry out the regeneration of the territory and the sustainable development of econo…

Food Design in Sicily. Design, Territory and Sustainability

2008

The paper is about the sustainable valorisation of the resources of the Ragusa area. This area is located in the south-east side of Sicily. This territory is an area protected by the UNESCO where eight cities are together in order to valorise the territory. The eight towns in south-eastern Sicily: Caltagirone, Militello Val di Catania, Catania, Modica, Noto, Palazzolo, Ragusa and Scicli. This group of towns in south-eastern Sicily provides testimony of Baroque art and architecture. The paper investigates the territory surrounding Ragusa, to create a relationship between the culture and the agro-food resources.

Determination of ruthenium in photographic emulsions - Development and comparison of different sample treatments and mass spectrometric methods

1999

Different sample treatment procedures were combined with inductively coupled plasma mass spectrometry (ICP-MS) and negative thermal ionisation mass spectrometry (NTI-MS) for the determination of ruthenium traces in photographic emulsions. Dissolution of the samples in concentrated ammonia solution was used in connection with ICP-MS by external calibration, which has the advantage of a simple sample preparation technique but introduces high amounts of the silver matrix into the mass spectrometer. On the other hand, isotope dilution mass spectrometry (IDMS) with an enriched 99Ru spike solution was applied for ICP-MS and NTI-MS measurements, respectively, in connection with a significant reduc…

Imaging of nitric oxide in a living vertebrate using a diaminofluorescein probe

2007

Abstract Numerous approaches have been described to identify nitric oxide (NO), a free radical involved in various physiological and pathophysiological processes. One of these approaches is based on the use of chemical probes whose transformation by NO generates highly fluorescent derivatives, permitting detection of NO down to nanomolar concentrations. Here, we show that the cell-permeant diaminofluorophore 4-amino-5-methylamino-2′-7′-difluorofluorescein diacetate (DAF-FM-DA) can be used to detect NO production sites in a living vertebrate, the zebrafish Danio rerio. The staining pattern obtained in larvae includes the bulbus arteriosus, forming bones, the notochord, and the caudal fin. Th…

Contact and contactless diffuse reflectance spectroscopy: potential for recovery monitoring of vascular lesions after intense pulsed light treatment.

2011

Optical fiber contact probe diffuse reflectance spectroscopy and remote multispectral imaging methods in the spectral range of 400 to 1100 nm were used for skin vascular malformation assessment and recovery tracing after treatment by intense pulsed light. The results confirmed that oxy-hemoglobin relative changes and the optical density difference between lesion and healthy skin in the spectral region 500 to 600 nm may be successfully used for objective appraisal of the therapy effect. Color redness parameter a* = 2 is suggested as a diagnostic border to distinguish healthy skin and vascular lesions, and as the indicator of phototreatment efficiency. Valuable diagnostic information on large…

Oleochemical carbonates: A comprehensive characterization of an emerging class of organic compounds

2022

Dialkyl carbonates (DAC) with short-medium alkyl length - oleochemical carbonates – are attracting attention because of their appealing properties, including low viscosity, flammability, toxicity, environ- mental impact and wide range of applications: lubricants, personal care, fuel additives etc. However, not much is known concerning their chemical physical properties and, more importantly, on the nature of microscopic correlations that eventually determine bulk performances. In view of this paucity, we pre- sent a large exploration of a series of chemical physical properties of a set of DACs ranging from dimethyl up to didodecyl carbonate. This study extends previously determined database…

2020

Arts-based practices can support sustainability, combined with research that points out needs for intervention. We practiced environmental sensitivity and dialogic art with fifth-grade school pupil...

Halloysite nanotubes for efficient loading, stabilization and controlled release of insulin

2018

Hypothesis: Oral insulin administration is not actually effective due to insulin rapid degradation, inactivation and digestion by proteolytic enzymes which results in low bioavailability. Moreover insulin is poorly permeable and lack of lipophilicity. These limits can be overcome by the loading of protein in some nanostructured carrier such as halloysite nanotubes (HNTs). Experiments: Herein we propose an easy strategy to obtain HNT hybrid materials for the delivery of insulin. We report a detailed description on the thermal behavior and stability of insulin loaded and released from the HNTs hybrid by the combination of several techniques. Findings: Release experiments of insulin from the H…

The contribution of geographical certification programs to farm income and rural economies: The case of Pecorino Siciliano PDO

2021

This study attempts to measure the capacity of the EU geographical certification scheme to positively influence the price of certified products and the incomes of their producers. A comparison of the economic results of two cheese-producing dairy farm enterprises with different business strategies and locations within the Sicilian hinterlands is performed in order to determine the transformation value of each dairy’s sheep milk into pecorino cheese (with and without the Protected Designation of Origin, or PDO, certification) and the related joint products (ricotta). The economic convenience of the total transformation of sheep milk into Pecorino Siciliano PDO and ricotta is also appraised. …

Quality and Innovation in the Organic Agro-Food Sector: Threats and Opportunities of Social and Managerial Innovation

2018

This study seeks to understand how innovation in the organic agro-food sector has evolved, studying the main challenges facing the sector as a consequence of its growth. Through the study and analysis of literature we reflect on the threats and opportunities facing the sector. We also used two expert panels to help us cross-reference and complete the information available from previous studies. The organic agro-food sector was born as a social and radical innovation based on specific values ​​and principles, which include respect for nature and sustainability, ecology, no pollution, equity and a close relationship with consumers. In this chapter, we explain how regulations and the interplay…