Chemical characterization of organic residues on Late Roman amphorae from shipwrecks off the coast of Marsala (Trapani, Italy)

Davide Tanasi, Enrico Greco*, Filippo Pisciotta, Stephan Hassam Journal of Archaeological Science: Reports volume 40, part B, December 2021, 103241DOI: 10.1016/j.jasrep.2021.103241 Abstract:Organic residues were extracted from thirty-three different types of Roman and Late Antique amphorae retrieved from underwater contexts in the custody of the Archaeological Museum “Baglio Anselmi” of Marsala in Sicily. The samples were analysed using  GC-MS andContinue reading “Chemical characterization of organic residues on Late Roman amphorae from shipwrecks off the coast of Marsala (Trapani, Italy)”

Generalized Holographic Principle, Gauge Invariance and the Emergence of Gravity à la Wilczek

Andrea Addazi, Pisin Chen, Filippo Fabrocini, Chris Fields, Enrico Greco, Matteo Lulli, Antonino Marcianò, Roman Pasechnik Frontiers in Astronomy and Space Science, (2021) 8:563450, June 2021DOI: 10.3389/fspas.2021.563450 Abstract:We show that a generalized version of the holographic principle can be derived from the Hamiltonian description of information flow within a quantum system that maintains a separable state. We then show that this generalizedContinue reading “Generalized Holographic Principle, Gauge Invariance and the Emergence of Gravity à la Wilczek”

Paleoproteomic profiling of organic residues on prehistoric pottery from Malta

Davide Tanasi, Annamaria Cucina, Vincenzo Cunsolo*, Rosaria Saletti, Antonella Di Francesco, Enrico Greco, Salvatore Foti Amino Acids volume 53, pages 295–312(2021)DOI: 10.1007/s00726-021-02946-4 Abstract:Mass spectrometry-based approaches have been successfully applied for identifying ancient proteins in bones and other tissues. On the contrary, there are relatively few examples of the successful recovery and identification of archeological protein residues from ceramic artifacts; this isContinue reading “Paleoproteomic profiling of organic residues on prehistoric pottery from Malta”

Deep Neural Networks as the Semi-classical Limit of Quantum Neural Networks

Antonino Marciano, Filippo Fabrocini*, Enrico Greco*, Kostas Terzidis Preprint on arXive, June 2020https://arxiv.org/abs/2007.00142 Abstract:Our work intends to show that: (1) Quantum Neural Networks (QNN) can be mapped onto spin-networks, with the consequence that the level of analysis of their operation can be carried out on the side of Topological Quantum Field Theories (TQFT); (2) Deep Neural Networks (DNN)Continue reading “Deep Neural Networks as the Semi-classical Limit of Quantum Neural Networks”

Gold-core lithium-doped titania sell nanostructures for plasmon-enhanced visible light harvesting with photocatalytic activity

Enrico Greco*, Stefano Andrea Balsamo, Giuseppe Maccarrone, Domenico Mello, Enrico Ciliberto, Jing Shang*, Tong Zhu* Journal of Nanoparticle Research volume 22, Article number: 164 (2020) DOI: 10.1007/s11051-020-04876-w Abstract:A simple sol-gel synthesis method has been developed to synthesize uniform nanospheres of gold lithium-doped titanium dioxide in anatase phase (Au/Li-TiO2) with a well-defined core-shell structure with the Li-doped titania as shell and Au nanoparticles as core. The resulting core-shellContinue reading “Gold-core lithium-doped titania sell nanostructures for plasmon-enhanced visible light harvesting with photocatalytic activity”

NMR spectroscopy and micro-analytical techniques for studying the constitutive materials and the state of conservation of an ancient Tapa barkcloth from Polynesia, is. Wallis

Valeria Di Tullio, Brenda Doherty, Donatella Capitani, Costanza Miliani, Enrico Greco, Enrico Ciliberto, Luciana Rossi, Noemi Proietti Journal of Cultural Heritage, Volume 45, 2020, Pag. 379-388DOI: 10.1016/j.culher.2020.02.009 Abstract:In this study a multi-analytical approach has been performed to characterise the constitutive materials of an ancient painted barkcloth or Tapa. Originating from Wallis Island, Polynesia, this clothContinue reading “NMR spectroscopy and micro-analytical techniques for studying the constitutive materials and the state of conservation of an ancient Tapa barkcloth from Polynesia, is. Wallis”

Synthesis of Polyacetylene-like Modified Graphene Oxide Aerogel and Its Enhanced Electrical Properties

Enrico Greco, Jing Shang, Jiali Zhu, Tong Zhu ACS Omega 2019, 4, 25, 20948-20954DOI: 10.1021/acsomega.9b02097 Abstract:A graphene-based or carbon-based aerogel is a three-dimensional (3D) solid material in which the carbon atoms are arranged in a sheet-like nanostructure. In this study, we report the synthesis of low-density polymer-modified aerogel monoliths by 3D macroassemblies of graphene oxide sheetsContinue reading “Synthesis of Polyacetylene-like Modified Graphene Oxide Aerogel and Its Enhanced Electrical Properties”

Proteomic Analyses on an Ancient Egyptian Cheese and Biomolecular Evidence of Brucellosis

Enrico Greco*, Ola El-Aguizy, Mona Fouad Ali, Salvatore Foti, Vincenzo Cunsolo, Rosaria Saletti, Enrico Ciliberto Analytical Chemistry 2018, 90, 16, 9673-9676DOI: 10.1021/acs.analchem.8b02535 Abstract:The material analyzed in this study is probably the most ancient archeological solid residue of cheese ever found to date. The sample was collected during the Saqqara Cairo University excavations in the tomb ofContinue reading “Proteomic Analyses on an Ancient Egyptian Cheese and Biomolecular Evidence of Brucellosis”

1H NMR, 1H-1H 2D TOCSY and GC-MS analyses for the identification of olive oil on Early Bronze Age pottery from Castelluccio (Noto, Italy)

Davide Tanasi*, Enrico Greco*, Radwan Ebna Noor, Stephanie Feola, Vasantha Kumar, Anita Crispino, Ioannis Gelis Analytical methods 10(23), 2756-2763, May 2018DOI: 10.1039/C8AY00420J Abstract:The development of analytical research in recent decades, at the edge between analytical chemistry and archaeology, provides new methods for the study of organic residues that are usually highly sensitive to natural decay. Using Nuclear Magnetic Resonance (NMR)Continue reading “1H NMR, 1H-1H 2D TOCSY and GC-MS analyses for the identification of olive oil on Early Bronze Age pottery from Castelluccio (Noto, Italy)”

1 H- 1 H NMR 2D-TOCSY, ATR FT-IR and SEM-EDX for the identification of organic residues on Sicilian prehistoric pottery

Davide Tanasi, Enrico Greco, Valeria Di Tullio, Donatella Capitani, Domenica Gullì, Enrico Ciliberto Microchemical Journal, Volume 135, November 2017, Pages 140-147DOI: 10.1016/j.microc.2017.08.010 Abstract: Insights into the diets of early societies can be gained, indirectly, from the cultural evidence of artefacts related to food procurement, preparation and consumption and human skeletal remains. However, more direct evidence forContinue reading “1 H- 1 H NMR 2D-TOCSY, ATR FT-IR and SEM-EDX for the identification of organic residues on Sicilian prehistoric pottery”