Raffaele G. Agostino
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View article: Multiscale X-ray computed tomography of standard optical fibers
Multiscale X-ray computed tomography of standard optical fibers Open
Optical fiber technologies enable high-speed communication, medical imaging, and advanced sensing. Among the techniques for the characterization of optical fibers, Xray computed tomography has recently emerged as a versatile non-destructiv…
View article: On the role of secondary electrons in the color change of high-dose X-ray irradiated topaz
On the role of secondary electrons in the color change of high-dose X-ray irradiated topaz Open
View article: Comparison of three reconstruction algorithms for low‐dose phase‐contrast computed tomography of the breast with synchrotron radiation
Comparison of three reconstruction algorithms for low‐dose phase‐contrast computed tomography of the breast with synchrotron radiation Open
Background Phase‐contrast breast CT imaging holds promise for improved diagnostic accuracy, but an optimal reconstruction algorithm must balance objective image quality metrics with subjective radiologist preferences. Purpose This study sy…
View article: Optimizing CO2 and CH4 storage: The role of high skeletal density activated carbon in adsorption processes
Optimizing CO2 and CH4 storage: The role of high skeletal density activated carbon in adsorption processes Open
View article: Enhanced Hydrogen and Methane Storage in β-Zeolite Templated Carbons: Structural and Functional Insights
Enhanced Hydrogen and Methane Storage in β-Zeolite Templated Carbons: Structural and Functional Insights Open
View article: Optimized activation of coffee-ground carbons for hydrogen storage
Optimized activation of coffee-ground carbons for hydrogen storage Open
View article: Small-angle X-ray scattering analysis of polymer optical fibers
Small-angle X-ray scattering analysis of polymer optical fibers Open
View article: On the Stability of Graphene-Based Aqueous Dispersions and Their Performance in Cement Mortar
On the Stability of Graphene-Based Aqueous Dispersions and Their Performance in Cement Mortar Open
Cement composites containing different carbon nanomaterials, namely graphene technical grade, graphene super grade, and graphene oxide, up to 1.0% by weight of cement, were prepared. Ultrasonic, chemical, and thermochemical treatments were…
View article: Traces of Additive Manufacturing in Early Iron Age Anthropomorphic Pendants
Traces of Additive Manufacturing in Early Iron Age Anthropomorphic Pendants Open
View article: Enhanced Hydrogen and Methane Storage in Β-Zeolite Templated Carbons: Structural and Functional Insights
Enhanced Hydrogen and Methane Storage in Β-Zeolite Templated Carbons: Structural and Functional Insights Open
View article: Comparison of three reconstruction algorithms for low-dose phase-contrast computed tomography of the breast with synchrotron radiation
Comparison of three reconstruction algorithms for low-dose phase-contrast computed tomography of the breast with synchrotron radiation Open
Three different computed tomography (CT) reconstruction algorithms: Filtered Back Projection (FBP), Unified Tomographic Reconstruction (UTR) and customized Simultaneous Algebraic Reconstruction Technique (cSART), have been systematically c…
View article: Evaluation of CO2 storage properties and mobility through NMR technique in post-grafting synthetized organically functionalized porous silica
Evaluation of CO2 storage properties and mobility through NMR technique in post-grafting synthetized organically functionalized porous silica Open
Functionalized porous silica materials were synthesized in alkaline conditions by post-grafting method using hexadecyltrimethylammonium bromide (CTAB) as templating agent, tetraethyl orthosilicate (TEOS) as silica precursors and trialkoxys…
View article: μ-Net: A Deep Learning-Based Architecture for μ-CT Segmentation
μ-Net: A Deep Learning-Based Architecture for μ-CT Segmentation Open
X-ray computed microtomography (μ-CT) is a non-destructive technique that can generate high-resolution 3D images of the internal anatomy of medical and biological samples. These images enable clinicians to examine internal anatomy and gain…
View article: Unveiling tumor invasiveness: enhancing cancer diagnosis with phase-contrast microtomography for 3D virtual histology
Unveiling tumor invasiveness: enhancing cancer diagnosis with phase-contrast microtomography for 3D virtual histology Open
Malignant diseases are characterized by a critical trait known as invasiveness, where tumor cells tend to spread from the primary tissue layer into surrounding healthy tissues and distant organs. Presently, histopathology offers essential …
View article: A non-destructive archaeometric study of Roman coins
A non-destructive archaeometric study of Roman coins Open
An archaeometric study was carried out on thirteen of the thirty ancient Roman coins found in the “Grotta delle Ninfe” in Cerchiara di Calabria, Calabria, Italy. The coins are exhibited at the Brettii and Enotri Museum in Cosenza, Calabria…
View article: Peach Pit-Activated Carbons: Effect of Row Material Form and Pyrolysis Parameters on Hydrogen Adsorption Storage
Peach Pit-Activated Carbons: Effect of Row Material Form and Pyrolysis Parameters on Hydrogen Adsorption Storage Open
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View article: Production and physical-chemical characterization of walnut shell-derived activated carbons for hydrogen storage application
Production and physical-chemical characterization of walnut shell-derived activated carbons for hydrogen storage application Open
A series of activated carbons have been produced from walnut shells by pyrolysis and physical activation in an oxidizing atmosphere. The effects of the activation time on the porosity formation and physicochemical characteristics, then hyd…
View article: Anatomical changes of Tenebrio molitor and Tribolium castaneum during complete metamorphosis
Anatomical changes of Tenebrio molitor and Tribolium castaneum during complete metamorphosis Open
In holometabolous insects, extensive reorganisation of tissues and cells occurs at the pupal stage. The remodelling of the external exoskeleton and internal organs that intervenes during metamorphosis has been traditionally studied in many…
View article: Analysis of Structural, Textural and Physico-Chemical Properties of Zeolite Template Carbons for Testing Hydrogen and Methane Storage Capacity
Analysis of Structural, Textural and Physico-Chemical Properties of Zeolite Template Carbons for Testing Hydrogen and Methane Storage Capacity Open
View article: Floating of the topological surface state on top of a thick lead layer: The case of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>Pb</mml:mi><mml:mo>/</mml:mo><mml:msub><mml:mi>Bi</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mi>Se</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math> interface
Floating of the topological surface state on top of a thick lead layer: The case of the interface Open
The puzzling question about the floating of the topological surface state on top of a thick Pb layer has now possibly been answered. A photoemission study of the interface made by Pb on Bi2Se3 for different temperatures and adsorbate cover…
View article: Char from Pyrolysis of Waste Tires to Increase Bitumen Performances
Char from Pyrolysis of Waste Tires to Increase Bitumen Performances Open
Road pavement characteristics can be improved by modifying bitumens through addition of fine particles. To avoid environmental issues, attention is recently being paid to bio-materials. In this study, a 50/70 bitumen was modified through t…
View article: The efficiency of bio-char as bitumen modifier
The efficiency of bio-char as bitumen modifier Open
View article: A numismatic study of Roman coins through X-ray fluorescence and X-ray computed μ-tomography analysis
A numismatic study of Roman coins through X-ray fluorescence and X-ray computed μ-tomography analysis Open
Thirteen of a group of thirty Roman coins, found in the so-called “Grotta delle Ninfe” near Cerchiara di Calabria (Calabria, Italy) and preserved in the Brettii and Enotri Museum showcase in Cosenza (Calabria, Italy) have been under archae…
View article: Soft glass optical fiber characterization with X-ray computed microtomography
Soft glass optical fiber characterization with X-ray computed microtomography Open
The high loss due to the presence of strong phonon resonances makes silica fibers unfit for applications in the mid-infrared spectral range. This has led to the development of specialty optical fibers, based on novel materials and manufact…
View article: On the floating of the topological surface state on top of a thick lead layer: The case of the Pb/Bi2Se3 interface
On the floating of the topological surface state on top of a thick lead layer: The case of the Pb/Bi2Se3 interface Open
The puzzling question about the floating of the topological surface state on top of a thick Pb layer, has now possibly been answered. A study of the interface made by Pb on Bi2Se3 for different temperature and adsorbate coverage condition,…
View article: Nonlinear optical effects in natural topaz
Nonlinear optical effects in natural topaz Open
We investigate the nonlinear optical properties of natural topaz. For the first time, the observation of nonlinear phenomena related to multiphoton absorption effects, such as the up-conversion luminescence of the material defects, is repo…
View article: Different healing characteristics of thiol-bearing molecules on CVD-grown MoS<sub>2</sub>
Different healing characteristics of thiol-bearing molecules on CVD-grown MoS<sub>2</sub> Open
Vacancies in atomically thin molybdenum disulphide play an essential role in controlling its optical and electronic properties, which are crucial for applications in sensorics, catalysis or electronics. For this reason, defect engineering …
View article: Effects of activation temperature and time on porosity features of activated carbons derived from lemon peel and preliminary hydrogen adsorption tests
Effects of activation temperature and time on porosity features of activated carbons derived from lemon peel and preliminary hydrogen adsorption tests Open
Lemon peels, a common biomass waste, have an interesting composition in terms of cellulose and mineral salts that makes them good precursors for activated carbon production processes. From a circular economy perspective, this work highligh…
View article: Hydrogen storage and mobility determined by NMR to various organically functionalized porous silica synthetized by using the post-grafting method
Hydrogen storage and mobility determined by NMR to various organically functionalized porous silica synthetized by using the post-grafting method Open
The results of this study will help in guiding the future design of low-cost and highly performing functionalized mesoporous silica using cationic surfactants as directing agents. Indeed, by properly tuning surface interactions and the tex…
View article: Nearly-freestanding supramolecular assembly with tunable structural properties
Nearly-freestanding supramolecular assembly with tunable structural properties Open