EXPERIENCING HERITAGE DYNAMIC THROUGH VISUALIZATION Lecci, N.; Prodi, F.; Trovatelli, F. ...
International archives of the photogrammetry, remote sensing and spatial information sciences.,
05/2019, Letnik:
XLII-2/W11
Journal Article, Conference Proceeding
Recenzirano
Odprti dostop
The present article aims to consider the added value attached to the usage of new technologies in a project aimed to study heritage. Indeed, multimedia devices could be used to create representations ...useful to develop and disseminate information integrating the architectural and territorial framework and to reach a general understanding.The processed data come from a research project, based on an interdisciplinary approach, address to the study of medieval buildings in Armenia, Vayots Dzor region, with the aim of studying and understanding the cultural heritage.Three different technologies are used to visualize and disseminate the results of the analyses carried out: the video, the hologram, and the virtual reality. These digital visualization methods enable experts to make the topics investigated accessible and comprehensible to a wider general public with a didactic and informative aim.The solid 3D-model of the site allows to virtually reproduce the reality and to provide a spatial perception of the site. Indeed, it is a neutral base, represents the morphological conformation and settlements, a landscape whose reference points are easily identified with the historical architectures, helping the public and spectators to get oriented inside the territory. These methods of representation allow to move from general view to particular, or to a different frame appropriate to the addressed topic. Thus, it binds the scientific research with the visual part, and enable communication, even in a context where it is difficult to use a common spoken or written language.
Italy is one of the countries in the world with the largest concentration of architectural cultural heritage, most of which are churches, bell towers, and religious buildings in general. This paper ...deals with the issues of the analysis and evaluation of the seismic behaviour of slender masonry structures, taking as the subject of analysis Giotto's Bell Tower in Florence (Italy). The seismic vulnerability has been analysed according to the current Italian legislation and the guidelines for the evaluation and reduction of seismic risk of cultural heritage. For this purpose, the bell tower was analysed using three evaluation levels: simplified methods (EL1), a kinematic analysis (EL2), and, finally, a finite element analysis (EL3). For each methodology, the level of seismic safety obtained by comparison with the local seismic demand has been evaluated.
In order to recover as many viable bacteria as possible from natural mineral water, in this study we have compared the counts obtained with the standard method (pour plate procedure with Plate Count ...Agar (PCA)) and counts with alternative test methods (PCA/spread plates, R2A medium/pour plates and R2A medium/spread plates). The results showed that counts with R2A medium/spread plates at 22°C and after a 7-day incubation period were more than 343% higher than those obtained with PCA/pour plate method. At 37°C and after a 3-day incubation period, the R2A pour plate technique gave counts about 368% greater than for the standard method. Moreover, while Pseudomonas, Comamonas and Acinetobacter species were isolated both from PCA and R2A medium, Flavobacterium spp. and Arthrobacter spp. were isolated only from R2A medium. For its higher productivity, R2A medium should be recommended for heterotrophic plate counts in natural mineral water.PUBLICATION ABSTRACT
ITALIANO: Da acque minerali naturali, prodotte e commercializzate in Italia da 12 differenti ditte, furono isolati 240 ceppi di batteri Gram-negativi, non fermentanti e afferenti ai generi ...Acinetobacter, Moraxella, Flavobacterium e Pseudomonas. Fu determinata l'antibiotico resistenza nei confronti dei seguenti antibiotici: ampicillina, cloramfenicolo, gentamicina, acido nalidixico, cotrimossazolo e tetraciclina. L'antibiotico resistenza piu' comune fu trovata per l'ac. nalidixico seguito da ampicillina, cloramfenicolo-tetraciclina, gentamicina e cotrimossazolo. Una larga percentuale di Acinetobacter spp. (62%), Pseudomonas spp. (54%) e Moraxella spp. (44%) mostro' antibiotico resistenza multipla.
A total of 240 non fermentative, gram-negative bacteria belonging to the genera Acinetobacter, Moraxella, Flavobacterium and Pseudomonas were isolated from natural mineral waters sold in Italy by different firms. Their resistance to ampicillin, chloramphenicol, gentamycin nalidix acid, cotrimoxazole and tetracycline were determined. The most commonly found resistance was to nalidixic acid followed by ampicillin, chloramphenicol-tetracycline, gentamycin and cotrimoxazole. A large percentage of Acinetobacter spp. (62%), Pseudomonas spp. (54%) and Moraxella spp. (44%) showed multiple antibiotic resistance.
The following microbiological analyses were carried out on 60 samples of precooked food prepared in different ways, 20 samples of cooked ham and 20 samples of ready to-use sliced carrots: aerobic ...colony count, total and feacal coliforms, Stapylococcus aureus, sulfite-reducing anaerobics and salmonellae. The examined samples showed different levels of microbial contamination and the obtained data were used to evaluate the hygienical quality of the finished product
Su 60 campioni di piatti precotti preparati in vario modo, 20 campioni di prosciutto cotto e 20 campioni di carote IV gamma, destinati alla refezione collettiva, sono state effettuate le seguenti indagini microbiologiche: carica microbica totale, coliformi totali e fecali, Staphylococcus aureus, clostridi solfito-riduttori e salmonelle. I campioni esaminati hanno mostrato diversi livelli di contaminazione microbica e i dati cosi' ottenuti sono stati utilizzati per valutare la qualita' igienica del prodotto finito
As probiotic bacteria, strains belonging to the genus
Bifidobacterium colonise the gastro-intestinal tract of humans and animals at the time of birth, and they are found in young as well as in adult ...individuals in great numbers. Moreover, they can interact with the development of enteric infections by the production of antimicrobial metabolites.
In this work 281 strains of bifidobacteria were anaerobically isolated from human faecal samples, supplied by volunteers of different ages (youngs, adults, elders), and preliminarly described by microscopic observation. All strains were screened by the fructose 6-phosphate phosphoketolase (F6PPK) test in order to confirm their classification within the genus
Bifidobacterium.
Selected strains were used to evaluate their antagonistic activities against
Escherichia coli,
Salmonella thyphimurium,
Staphylococcus lentus,
Enterococcus faecalis,
Acinetobacter calcoaceticus,
Sphingomonas paucimobilis,
Listeria monocytogenes,
Yersinia enterocolitica,
Bacillus cereus,
Clostridium sporogenes. Experiments were performed in vitro by different methods based on the observation of growth inhibition in Petri dishes.
The strains that showed the highest inhibiting activities were compared by SDS-PAGE for total cell proteins, using type strains of human origin as references. Representative isolates were metabolically characterised by the BIOLOG system; a specific database was created with strains obtained from our collection and a statistical evaluation for metabolic patterns was carried out.
Many and different probiotic pharmaceutical products are presently commercialised in the world. On this regard, a microbiological investigation was carried out to screen the microorganisms ...incorporated into these products, commonly used for human health.
After determination of the cell number and viability of bacteria, several experiments were performed
in vitro in order to characterise the microorganisms and to evaluate their probiotic value. Among all the strains identified, best results were obtained with
Lactobacillus rhamnosus, Enterococcus faecium and
Saccharomyces cerevisiae as far as regards growth rates, pH and bile salts tolerance. Moreover, the identification profiles of microorganisms showed a better reliability for the products containing a single species whereas the ones composed of different strains were usually not satisfactory. In some cases, the presence of
Lactobacillus and
Saccharomyces species was in disagreement with the claimed composition of the product and some species of lactobacilli, bifidobacteria and streptococci were found not viable.
In defined mixed cultures experiments, the antagonism of
Lactobacillus acidophilus and
Enterococcus faecium versus
Yersinia enterocolitica was demonstrated and explained as acid and/or antimicrobials production.
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