Search results for: Antonio D'angelo

Items from 1 to 20 out of 25 results

article

Si/Polymer/Natural Drug Materials Prepared by Sol–Gel Route: Study of Release and Antibacterial Activity

Veronica Viola, Antonio D'Angelo, Anna Maria Piccirillo, Michelina Catauro

Macromolecular Symposia > 413 > 4 > n/a - n/a

This study aims to develop a new class of versatile silica‐based materials for medical applications, synthesized via the sol–gel method. Different molecules are incorporated into the silica matrix to improve its biological properties and to use these materials as better‐performing implants. Polyethylene glycol (PEG) is added to silica‐based materials to improve biocompatibility, increase hydrophilicity,...

article

FTIR Analysis of the Curing Behaviors of Bi‐Functional Epoxy Resin with Anhydride Based Hardener

Luigi Vertuccio, Elisa Calabrese, Antonio D'Angelo, Anna Maria Piccirillo, more

Macromolecular Symposia > 411 > 1 > n/a - n/a

In the field of structural materials, there is a growing need to use new materials/components, which can be easily manufactured through energy‐saving production processes. The design of the new materials must guarantee improved mechanical and thermal performance or at least the preservation of the performance of current materials. This study deals with the kinetics and the curing reactions of a bi‐functional...

article

Use of Spectroscopic, Mechanical, and Microbiological Analysis to Study a Natural Sheep Leather

Michelina Catauro, Liberata Guadagno, Antonio D'Angelo, Marialuigia Raimondo, more

Macromolecular Symposia > 411 > 1 > n/a - n/a

Natural leather is a durable and flexible material processed from the hides and skins of animals by tanning. The individual features and the composition of each animal's hides and skin contribute to determine the chemico‐physical and mechanical properties of the obtained natural leather. Deep knowledge of such properties is required to select a suitable application field for the produced leather as...

article

Thermal Influence on Physico‐Chemical Properties of Geopolymers Based on Metakaolin and Red Tomato Waste

Michelina Catauro, Antonio D'Angelo, Simona Piccolella, Cristina Leonelli, more

Macromolecular Symposia > 404 > 1 > n/a - n/a

The high amount of organic and inorganic wastes has increased the attention to new strategies aiming to reduce the waste disposals. Organic wastes, such as tomato wastes (TWs), are a good source from which the red color can be obtained. Among the different technologies, the geopolymers had been proposed as a powerful technology able to incorporate various kinds of wastes. In this paper, pure metakaolin...

article

Influence of the Addition of Waste Glass and Microbiological Performance of Metakaolin‐Based Geopolymers Cement

Michelina Catauro, Antonio D'Angelo, Simona Piccolella, Cristina Leonelli, more

Macromolecular Symposia > 404 > 1 > n/a - n/a

Glass recycling reduces the amount of waste to be treated or disposed in landfills, allowing both to limit environmental damage and to save on the costs of transportation and disposal of waste. In this paper, an advantageous method for recycling glass containers (bottles, jars, jars for food, glasses, and cans for drinks, etc.) is presented. The glass is crushed and without being washed or separated...

article

Sol–Gel Synthesis, Thermal Characterization, Surface Interactions, and Release Kinetics of Silica/Drug Hybrid System

Michelina Catauro, Ignazio Blanco, Ronald J. Clarke, Marika Fiorentino, more

Macromolecular Symposia > 404 > 1 > n/a - n/a

Controlled and local drug delivery systems of anti‐inflammatory agents are attracting increasing attention thanks to their possible pharmaceutical and biomedical applications. These systems have extended therapeutic effects and reduced side effects. The aim of this work is to synthesize a system composed of SiO₂ glass and ketoprofen, an anti‐inflammatory drug, by the sol–gel process. Two different...

article

Synthesis by Sol‐Gel Route, Chemical, and Biological Characterization of Hybrid Material Composed by Fe(II)C and poly(ε‐caprolactone)

Michelina Catauro, Ignazio Blanco, Marika Fiorentino, Antonio D'Angelo, more

Macromolecular Symposia > 404 > 1 > n/a - n/a

Sol–gel route represents a valuable technique to obtain functional materials, in which organic and inorganic components are closely connected. Imbalance of the iron level in the body causes several diseases. In particular, the low level of iron, during pregnancy, is responsible of the iron deficiency anemia, and even of neurodegenerative diseases. The aim of this work is the synthesis of iron (II)...

article

Plasma treatment application to improve interfacial adhesion in polypropylene‐flax fabric composite laminates

Giulia Leone, Gennaro Antonio D'Angelo, Pietro Russo, Pietro Ferraro, more

Polymer Composites > 43 > 3 > 1787 - 1798

Recently, due to environmental and sustainability issues, the scientific community has been attracted to renewable natural resources, even for the development of materials intended for structural applications. This work deals with the pre‐treatment of a flax fiber fabric by exploring the effects of the exposure time to nitrogen plasma on the ultimate performance of polypropylene matrix composite laminates...

article

A novel SiO₂/Polyetherimide (PEI) Composite Synthesized by Sol‐Gel Route: Characterization and Antibacterial Activity

Giovanni Dal Poggetto, Marika Fiorentino, Antonio D'angelo, Michelina Catauro

Macromolecular Symposia > 395 > 1 > n/a - n/a

Polyetherimide (PEI), an amorphous thermoplastic material, is a promising candidate for wide applications due to its high heat stability and its biocompatibility in human tissues. In the present paper, PEI (4 wt%) is added to SiO₂ inorganic matrix in order to obtain a novel composite biomaterial through sol‐gel route. Structural characterization by means of Fourier Transform Infrared Spectroscopy...

article

Microemulsion‐Based Gels for Lipase‐Catalyzed Ester Synthesis in Organic Solvents

Michelina Catauro, Marika Fiorentino, Antonio D'Angelo, Maria Michela Dell'Anna, more

Macromolecular Symposia > 395 > 1 > n/a - n/a

Microemulsions are clear, stable, isotropic mixtures of oil, water, and surfactant, frequently in combination with a cosurfactant. These systems are currently of interest to the pharmaceutical scientist because of their considerable potential to act as drug delivery vehicles by incorporating a wide range of drug molecules. The purpose of this work is to solubilize in AOT [sodium bis(2‐ethylhexyl)sulphosuccinate]...

article

Differentiated thyroid cancer in children: Heterogeneity of predictive risk factors

Marco Russo, Pasqualino Malandrino, Mariacarla Moleti, Francesco Vermiglio, more

Pediatric Blood & Cancer > 65 > 9 > n/a - n/a

Objective To correlate clinical and pathological characteristics at diagnosis with patient long‐term outcomes and to evaluate ongoing risk stratifications in a large series of paediatric differentiated thyroid cancers (DTC). Study design Retrospective analysis of clinical and pathological prognostic factors of 124 paediatric patients with DTC (age at diagnosis <19 years) followed up for 10.4 ± 8...

article

Endoscopic Transseptal Approach with Posterior Nasal Spine Removal: A Wide Surgical Corridor to the Craniovertebral Junction and Odontoid: Technical Note and Case Series

Zefferino Rossini, Davide Milani, Federico Nicolosi, Francesco Costa, more

World Neurosurgery > 2018 > 110 > C > 373-385

The transnasal approach to lesions involving the craniovertebral junction represents a technical challenge because of limited inferior exposure. The endoscopic transseptal approach (EtsA) with posterior nasal spine (PNS) removal is described. This technique can create a wide exposure of the craniovertebral junction, thereby increasing the caudal exposure.On patients undergoing anterior craniovertebral...

article

Neuronal ceroid lipofuscinosis associated with an MFSD8 mutation in Chihuahuas

Akanksha Ashwini, Antonio D'Angelo, Osamu Yamato, Cristina Giordano, more

Molecular Genetics and Metabolism > 2016 > 118 > 4 > 326-332

The neuronal ceroid lipofuscinoses (NCLs) are hereditary neurodegenerative disorders characterized by progressive declines in neurological functions, seizures, and premature death. NCLs result from mutations in at least 13 different genes. Canine versions of the NCLs can serve as important models in developing effective therapeutic interventions for these diseases. NCLs have been described in a number...

article

AlN–Ag based low-emission sputtered coatings for high visible transmittance window

Manuela Ferrara, Anna Castaldo, Salvatore Esposito, Antonio D'Angelo, more

Surface and Coatings Technology > 2016 > 295 > C > 2-7

Despite the availability of high performance glass technologies a preconceived idea that glass is the weak point in a building envelope still persists [1]. Thanks to the continuous improvement in thermal insulation performance combined with new methods of modulating solar heat and visible transmittance, glazing has strengthened its position as smart opportunity for energy savings in green buildings...

chapter

Horn: An inference engine prototype to implement intelligent systems

Antonio D'Angelo

Lecture Notes in Computer Science > Foundations of Logic and Functional Programming > 184-200

The main objective of this paper is to present a prototype implementation of the kernel of an inference engine whose behaviour could be driven both by the search space strategy stored in the knowledge base and the base beliefs on which the inference engine is applied. To this aim, a modal logic language is introduced as a deductive model of knowledge and belief and some properties are derived to be...

chapter

Using a chemical metaphor to implement autonomous systems

Antonio D'Angelo

Lecture Notes in Computer Science > Topics in Artificial Intelligence > 315-322

The aim of this paper is to outline a planning system architecture which allows robots to exhibit varying degrees of autonomous behaviour. While several systems have been developed to cope with specific classes of robot tasks, a litte effort has been made towards the autonomy itself. Looking at the behaviour of animals from the ethological point of view we can suppose that even robots need to exibit...

article

The use of contrast‐enhanced ultrasonography for the detection of active renal hemorrhage in a dog with spontaneous kidney rupture resulting in hemoperitoneum

Gian Marco Gerboni, Giulia Capra, Silvia Ferro, Claudio Bellino, more

Journal of Veterinary Emergency and Critical Care > 25 > 6 > 751 - 758

ObjectiveTo describe the use of contrast‐enhanced ultrasonography (CEUS) for the detection of active renal hemorrhage in a dog with spontaneous kidney rupture resulting in hemoperitoneum. Case summaryA 9‐month‐old, sexually intact male Boxer dog presented for acute collapse, abdominal pain, and tachycardia. Physical examination findings were consistent with hypovolemia and acute abdomen. B‐mode ultrasonography...

article

Thromboelastometric evaluation of hemostasis in dogs infected with Leishmania infantum

Barbara Bruno, Cristiana Maurella, Sara Falco, Alberto Tarducci, more

Journal of Veterinary Emergency and Critical Care > 25 > 4 > 502 - 511

ObjectiveEvaluation of hemostasis using thromboelastometry in dogs with leishmaniasis before and after treatment. DesignLongitudinal observational study. SettingUniversity veterinary teaching hospital. AnimalsEighty‐four adult, client‐owned dogs. Measurements and Main ResultsWhole blood samples for the coagulation profile were collected from symptomatic dogs with leishmaniasis (group S), asymptomatic...

article

Assessment of coagulation utilizing thromboelastometry in dogs undergoing orthopedic surgery

Barbara Bruno, Cristiana Maurella, Sara Falco, Alberto Tarducci, more

Journal of Veterinary Emergency and Critical Care > 25 > 3 > 358 - 363

ObjectiveTo evaluate blood coagulation using thromboelastometry in dogs following orthopedic surgery. DesignLongitudinal observational study. SettingUniversity veterinary teaching hospital. AnimalsThirty‐four adult client‐owned dogs. Measurements and Main ResultsDogs undergoing elective or emergency orthopedic surgery had whole blood collected before (T0), at 24 hours (T1), and 1 week (T2) after...

article

Adhesion and structural stability enhancement for Ag layers deposited on steel in selective solar coatings technology

Alessandro Antonaia, Maria Luisa Addonizio, Salvatore Esposito, Manuela Ferrara, more

Surface and Coatings Technology > 2014 > 255 > C > 96-101

Improvement of structural and morphological stability of Ag layers has to be pursued for effective employment in solar coating technology for “parabolic trough” thermal plants. Starting from the consideration that stainless steel surface of a receiver tube does not behave as an excellent substrate for fabricating appropriate Ag layers in terms of adhesion strength and thermal stability, both substrate...

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INFONA - science communication portal

Search results for: Antonio D'angelo

Si/Polymer/Natural Drug Materials Prepared by Sol–Gel Route: Study of Release and Antibacterial Activity

FTIR Analysis of the Curing Behaviors of Bi‐Functional Epoxy Resin with Anhydride Based Hardener

Use of Spectroscopic, Mechanical, and Microbiological Analysis to Study a Natural Sheep Leather

Thermal Influence on Physico‐Chemical Properties of Geopolymers Based on Metakaolin and Red Tomato Waste

Influence of the Addition of Waste Glass and Microbiological Performance of Metakaolin‐Based Geopolymers Cement

Sol–Gel Synthesis, Thermal Characterization, Surface Interactions, and Release Kinetics of Silica/Drug Hybrid System

Synthesis by Sol‐Gel Route, Chemical, and Biological Characterization of Hybrid Material Composed by Fe(II)C and poly(ε‐caprolactone)

Plasma treatment application to improve interfacial adhesion in polypropylene‐flax fabric composite laminates

A novel SiO₂/Polyetherimide (PEI) Composite Synthesized by Sol‐Gel Route: Characterization and Antibacterial Activity

Microemulsion‐Based Gels for Lipase‐Catalyzed Ester Synthesis in Organic Solvents

Differentiated thyroid cancer in children: Heterogeneity of predictive risk factors

Endoscopic Transseptal Approach with Posterior Nasal Spine Removal: A Wide Surgical Corridor to the Craniovertebral Junction and Odontoid: Technical Note and Case Series

Neuronal ceroid lipofuscinosis associated with an MFSD8 mutation in Chihuahuas

AlN–Ag based low-emission sputtered coatings for high visible transmittance window

Horn: An inference engine prototype to implement intelligent systems

Using a chemical metaphor to implement autonomous systems

The use of contrast‐enhanced ultrasonography for the detection of active renal hemorrhage in a dog with spontaneous kidney rupture resulting in hemoperitoneum

Thromboelastometric evaluation of hemostasis in dogs infected with Leishmania infantum

Assessment of coagulation utilizing thromboelastometry in dogs undergoing orthopedic surgery

Adhesion and structural stability enhancement for Ag layers deposited on steel in selective solar coatings technology

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