44 research outputs found

    Studio della ceramica di M.I.D.A.N.05 e dell'area limitrofa a Dra Abu el-Naga (Tebe ovest)

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    Oggetto della tesi è lo studio della ceramica della tomba M.I.D.A.N.05 della sua corte e dell'area limitrofa a Dra Abu el-Naga (Tebe ovest). Al fine di trovare un metodo di classificazione e descrizione della ceramica sono confrontati i metodi adottati dagli studiosi di ceramica egizia a partire dagli anni 70 del novecento. Il metodo è stato poi applicato alla ceramica in studio e ha permesso di trarre informazioni cronologiche, commerciali, cultuali e funerarie sulla tomba M.I.D.A.N.05. La tesi è corredata di un catalogo cartaceo e un database online

    La ceramica tebana dal Terzo Periodo Intermedio al Periodo Tardo

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    La tesi è suddivisa in quattro capitoli. Nel primo ho censito tutti i siti dell'area tebana ove è documentata la ceramica datata dal Terzo Periodo Intermedio al Periodo Tardo. Nel secondo ho descritto le caratteristiche generali della ceramica. Nel terzo capitolo ho studiato la ceramica di Terzo Periodo Intermedio e Periodo Tardo delle Tombe Tebane 14 e Midan.05. Nel quarto capitolo ho riportato i risultati della caratterizzazione del contenuto organico di vasi della tomba MIDAN.05 tramite GC-MS. Infine ho catalogato tutta la ceramica studiata nei precedenti capitoli

    Organic Residues Analysis: The Case of a Beaker Found in Theban Necropolis, Egypt

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    Amorphous organic residues collected from a ceramic vessel from a tomb excavated in the Theban Necropolis (Egypt) were chemically investigated by an analytical procedure based on gas chromatography coupled with mass spectrometry (GC/MS). Little is known about Egyptian ceramic vessels, thus retrieving valuable information on the use of ceramics from the chemical analyses of organic residues was a key aspect of this work. The results showed that the vessel was used in connection with a number of substances such as beeswax, fat/oil and Pinaceae resin. This enabled us to draw hypotheses on the possible function of artefact in connection with mummification practices

    X-ray Imaging Investigation on the Gilding Technique of an Ancient Egyptian Taweret Wooden Statuette

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    Diagnostic physical methods are increasingly applied to Cultural Heritage both for scientific investigations and conservation purposes. In particular, the X-ray imaging techniques of computed tomography (CT) and digital radiography (DR) are non-destructive investigation methods to study an object, being able to give information on its inner structure. In this paper, we present the results of the X-ray imaging study on an ancient Egyptian statuette (Late Period 722–30 BCE) belonging to the collection of Museo Egizio in Torino and representing an Egyptian goddess called Taweret, carved on wood and gilded with some colored details. Since few specific studies have been focused on materials and techniques used in Ancient Egypt for gilding, a detailed investigation was started in order to verify the technical features of the decoration in this sculpture. Specifically, DR and CT analyses have been performed at the Centro Conservazione e Restauro “La Venaria Reale” (CCR), with a new high resolution flat-panel detector, that allowed us to perform tomographic analysis reaching a final resolution better than the one achievable with the previous apparatus operating in the CCR

    A multi-scalar investigation of the colouring materials used in textile wrappings of Egyptian votive animal mummies

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    Commonly exhibited in museum galleries, animal mummies have been the focus of interest of both visitors and researchers alike. The study of these animal remains not only provides new insights into embalming techniques, but also brings a unique perspective on religious, social and economic practices. Twenty animal mummies are discussed in this study, including cats, ibises, crocodiles, calves and birds of prey from the collections of the British Museum (London, UK) and the Museo Egizio (Turin, Italy). The external textile wrappings encasing the mummified body of the animals were investigated with the main aim of identifying the colourants used. In fact, these are mostly patterned using undyed and coloured (mostly red, brown and black) linen strips. Broadband multispectral imaging (MSI) was initially carried out to obtain preliminary information at the macro-scale on the distribution and chemical nature of the colouring agents. Fibre optic reflectance spectroscopy (FORS) was then used to survey several coloured areas of the textile wrappings. Safflower (Carthamus tinctorius) and red ochre were identified non-invasively. Representative samples were then taken and observed using optical microscopy (OM) and scanning electron microscopy (SEM), in order to obtain information at the micro-scale on the distribution of the colouring agents on the fibres, as well as the presence of other materials, including those from environmental contamination. Energy dispersive X-ray spectrometry (EDX) revealed the elemental composition of particles and clear areas of the fibres, whereas high performance liquid chromatography tandem mass spectrometry (HPLC\u2013MS/MS) provided the identification of the organic dyes at a molecular level. The use of hydrolysable and condensed tannins, in combination with iron as a mordant, was found to be used in the very dark shades, which generally corresponded to the textiles with the worst state of preservation. Nevertheless, other aspects, such as fibre processing and bleaching, fungal attack and presence of coating materials appeared to play a role in the evaluation of the conservation state of these textiles. The characterisation of the dyes and the additional inorganic materials contributed to elucidating the production technology of the colours used for animal mummification, and provided insights into ancient dyeing methods

    A Spatially Resolved Dark- versus Light-Zone Microenvironment Signature Subdivides Germinal Center-Related Aggressive B Cell Lymphomas

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    We applied digital spatial profiling for 87 immune and stromal genes to lymph node germinal center (GC) dark- and light-zone (DZ/LZ) regions of interest to obtain a differential signature of these two distinct microenvironments. The spatially resolved 53-genes signature, comprising key genes of the DZmutational machinery and LZ immune and mesenchymal milieu, was applied to the transcriptomes of 543 GC-related diffuse large B cell lymphomas and double-hit ( DH) lymphomas. According to the DZ/LZ signature, the GC-related lymphomas were sub-classified into two clusters. The subgroups differed in the distribution of DH cases and survival, with most DH displaying a distinct DZ-like profile. The clustering analysis was also performed using a 25-genes signature composed of genes positively enriched in the non-B, stromal sub-compartments, for the first time achieving DZ/LZ discrimination based on stromal/immune features. The report offers new insight into the GC microenvironment, hinting at a DZ microenvironment of origin in DH lymphomas

    The Results of the URRAH (Uric Acid Right for Heart Health) Project: A Focus on Hyperuricemia in Relation to Cardiovascular and Kidney Disease and its Role in Metabolic Dysregulation

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    The relationship between Serum Uric Acid (UA) and Cardiovascular (CV) diseases has already been extensively evaluated, and it was found to be an independent predictor of all-cause and cardiovascular mortality but also acute coronary syndrome, stroke and heart failure. Similarly, also many papers have been published on the association between UA and kidney function, while less is known on the role of UA in metabolic derangement and, particularly, in metabolic syndrome. Despite the substantial number of publications on the topic, there are still some elements of doubt: (1) the better cut-off to be used to refine CV risk (also called CV cut-off); (2) the needing for a correction of UA values for kidney function; and (3) the better definition of its role in metabolic syndrome: is UA simply a marker, a bystander or a key pathological element of metabolic dysregulation?. The Uric acid Right for heArt Health (URRAH) project was designed by the Working Group on uric acid and CV risk of the Italian Society of Hypertension to answer the first question. After the first papers that individuates specific cut-off for different CV disease, subsequent articles have been published responding to the other relevant questions. This review will summarise most of the results obtained so far from the URRAH research project
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