Stefano Pagnotta
Stefano Pagnotta, with a PhD in Earth Sciences (GEO/09), an MD in Archaeology specializing in Prehistory and Archaeometry, and a BD in Conservation of Cultural Heritage focusing on Technical and Diagnostics for Cultural Heritage (CuHe), holds the title of "Cultore della Materia" at the University of Pisa in Prehistorical Archaeology. He served as a member of the editorial board for the Anthropology-Open Journal, Current Research in Material Chemistry, Minerals and Academic Editor in Academia Materials Science.
Since 2013, Dr. Pagnotta has been a recipient of a Research Grant at the Department of Chemistry and Industrial Chemistry, University of Pisa, notably for the AGM for CuHe project. Additionally, he held a Research Grant at ICCOM-CNR Pisa from 2018 to 2019 as part of the MACH Italia-Serbia bilateral Project. Previously, he was awarded a scholarship at the Institute of Chemistry of Organometallic Compounds (ICCOM-CNR) Research Area in Pisa from 2014 to 2017, focusing on spectroscopic methods for analyzing inhomogeneous matrix materials.
His research interests span applied laser spectroscopy, X-ray fluorescence, multispectral imaging, colorimetry, archaeometry, forensic and anthropological analysis, pottery analysis, Prehistory, and Geoarchaeology. Dr. Pagnotta's academic contributions include over 90 papers published in Scopus-indexed journals, accruing more than 1500 citations and yielding an H-index of 24.
Supervisors: Vincenzo Palleschi, Stefano Legnaioli, Marco Lezzerini, Claudio Arias, Giovanna Radi, and Giolj F. Guidi
Since 2013, Dr. Pagnotta has been a recipient of a Research Grant at the Department of Chemistry and Industrial Chemistry, University of Pisa, notably for the AGM for CuHe project. Additionally, he held a Research Grant at ICCOM-CNR Pisa from 2018 to 2019 as part of the MACH Italia-Serbia bilateral Project. Previously, he was awarded a scholarship at the Institute of Chemistry of Organometallic Compounds (ICCOM-CNR) Research Area in Pisa from 2014 to 2017, focusing on spectroscopic methods for analyzing inhomogeneous matrix materials.
His research interests span applied laser spectroscopy, X-ray fluorescence, multispectral imaging, colorimetry, archaeometry, forensic and anthropological analysis, pottery analysis, Prehistory, and Geoarchaeology. Dr. Pagnotta's academic contributions include over 90 papers published in Scopus-indexed journals, accruing more than 1500 citations and yielding an H-index of 24.
Supervisors: Vincenzo Palleschi, Stefano Legnaioli, Marco Lezzerini, Claudio Arias, Giovanna Radi, and Giolj F. Guidi
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Papers by Stefano Pagnotta
For the realization of this work, 32 fragments of pottery from the Neolithic site of Settefonti, Prata d'Ansidonia (AQ) were sampled. The ceramic fragments all belong to the advanced stage of the culture of Ripoli (Ripoli III) in which the Settefonti site is a regional aspect very close to that already identified in Paterno.
The fragments were investigated by LIBS for the implementation of a database consisting of the integral intensities of the lines of the chemical elements identified as discriminating the type of mixture used.
The database was then subjected to a dimensional reduction through the implementation of a PCA and subsequently clustered through the K-Means algorithm . The results of this process are useful to build a self-organized neural network (Kohonen SOM) that can improve the definition of the clusters obtained with the previous method.
Thanks to the network on the SOM an increase of significance of clustering is obtained compared to the previous method.
Pottery previously investigated with classical methods have been subjected to experimental investigation with LIBS (Laser Breakdown Spectroscopy) and Raman spectroscopy and investigated microscopically.
The results were compiled into a database and treated with methods of KDD (Knowledge Discovery in Databases), Data mining and multivariate statistical analysis for the extraction of significant new data.
Finally, the information obtained were put together with those Bibliographically available in order to generate new knowledge and to confirm some of those already acquired.
ottenute dalle indagini diagnostiche condotte sulla scultura bronzea “Il Grifone” del Museo
dell’Opera del Duomo di Pisa.
Tali indagini hanno consentito di contestualizzare e definire le vicende e le caratteristiche di questo insediamento tra il medioevo e la prima età moderna. Ciò ha permesso non solo di sfatare alcune ipotesi sulle origini gote della fortificazione - basate su una lettura semplicistica dei toponimi - ma di caratterizzare meglio la storia e la cultura materiale del castello e del suo territorio, ubicati in una zona di confine tra poteri e istituzioni diverse (Comuni di Genova e di Pontremoli, signori Malaspina e Fieschi).
Non ultimo lo scavo ha portato in luce i primi resti di una zecca clandestina, cui si deve probabilmente anche la distruzione della rocca del castello nel 1524, fatto prima non noto da altre fonti. Nel contributo sono presentati anche i primi dati dello studio archeologico e archeometrico (X-ray Fluorescence Spectroscopy e Laser-Induced Breakdown Spectroscopy) dei materiali relativi a tale attività produttiva, in base al quale è stato possibile caratterizzare le tecniche impiegate nell’officina monetaria non autorizzata e determinare il tipo di monete false ivi probabilmente realizzate.
From 2010 to 2016 a series of historical and archaeological research focused on the castle of Godano and its territory, located on the mountains in the heart of the Val di Vara, in the hinterland of La Spezia.
These investigations have made it to contextualize and define the events and characteristics of this settlement between the Middle Ages and the Early Modern Age. This allowed not only to dispel some hypotheses about the Gothic origins of the fortification - based on a simplistic reading of the place names - but to better characterize the history and material culture of the castle and its territory, located in a border area between different powers and institutions (Municipalities of Genoa and Pontremoli, Lords Malaspina and Fieschi).
Last but not least, the excavation brought to light the first remains of a clandestine mint, which probably was also the cause of the castle destruction in 1524, a fact not previously known from other sources.
The paper also presents the first data of the archaeological and archeometric study (X-ray Fluorescence Spectroscopy and Laser-Induced Breakdown Spectroscopy) of the materials related to this production activity, on the basis of which it was possible to characterize the techniques used in the unauthorized monetary workshop and determine the type of counterfeit coins probably made there.