Search results for: L. Silvestri

Items from 1 to 20 out of 90 results

article

Failure mechanism of NaAlH4 negative electrodes in lithium cells

L. Silvestri, M.A. Navarra, S. Brutti, P. Reale

Electrochimica Acta > 2017 > 253 > C > 218-226

Insights about the failure mechanism of negative electrodes based on NaAlH₄ for lithium batteries are here discussed based on electrochemical-pressure measurements, galvanostatic cycling, infrared spectroscopy and impedance spectroscopy. The accumulation of irreversible capacity in the first cycle and the capacity fading have multiple origins. Besides the mechanical instability due to volume expansions/contractions...

article

Simulation of the thermal stress induced by CW 1340nm laser on 28nm advanced technologies

M. Penzes, S. Dudit, F. Monsieur, L. Silvestri, more

Microelectronics Reliability > 2017 > 76-77 > C > 227-232

Previous study on the invasiveness of the CW 1340nm laser source used in failure analysis, pinpointed silicide diffusions issue and experimentally defined a safe experimental area. Nevertheless, experimentally defining a safe area is a very long process. So we bypassed it by a new approach based on thermal laser stress modelling for defect localization applications (LVI/OBIRCH, cw-LVP). The first...

article

An extensive study of the MgFeH material obtained by reactive ball milling of MgH2 and Fe in a molar ratio 3:1

L. Farina, S. Brutti, F. Trequattrini, O. Palumbo, more

International Journal of Hydrogen Energy > 2017 > 42 > 35 > 22333- 22341

A mixture of MgH₂ and Mg₂FeH₆ was synthesized by reactive ball milling of magnesium hydride and iron in hydrogen atmosphere. The material is highly nanocrystalline, with typical dimensions of the order of 10 nm; after hydrogen cycling at ∼400 °C, well defined XRD peaks of Mg₂FeH₆ can be observed. Volumetric measurements of hydrogenation/dehydrogenation provide clear evidence of the presence of both...

chapter

Colonization and Infection

L. Silvestri, G. Mino, H.K.F Saene

Topics in Anaesthesia and Critical Care > Infection Control in the Intensive Care Unit > Essentials in Clinical Microbiology > 37-48

chapter

Prevention of Infection Using Selective Decontamination of the Digestive Tract

L. Silvestri, S. Kerr, A. Gullo

Topics in Anaesthesia and Critical Care > Infection Control in the Intensive Care Unit > Infection Control > 297-312

chapter

Intravascular Catheter- Related Infections: An Update on Epidemiology and Prevention

M. Viviani, R. Dezzoni, L. Silvestri, H. K. F. Saene

Perioperative and Critical Care Medicine > Intensive Care > 205-217

In modern-day medical care, the use of intravascular devices, especially in an intensive care (ICU) setting, is necessary because of the continuous increase in the numbers of catheters inserted, the possibility to administer various fluids and the use of invasive cardiovascular monitoring. However, extensive clinical use of central venous catheters (CVC) is associated with various iatrogenic diseases,...

chapter

Classification of ICU Infections

L. Silvestri, M. Viviani, H.K.F. Saene

Topics in Anaesthesia and Critical Care > Infection Control in the Intensive Care Unit > Essentials in Clinical Microbiology > 61-71

book

Infection Control in the Intensive Care Unit

H. K. F. Saene, M. A. Cal, L. Silvestri

Topics in Anaesthesia and Critical Care

Infection Control in the Intensive Care Unit has been entirely rewritten in this second edition. All statements are justified by the best available evidence, avoiding unsubstantiated expert opinion. The book contains a new section dedicated to the microbiology of the critically ill, specifically, how to process and interpret surveillance cultures to distinguish the ‘normal’ from the ‘abnormal’ carrier...

chapter

Antenna coupling and self-interference cancellation bandwidth in SAW-less diversity receivers

D. Montanari, L. Silvestri, M. Bozzi, D. Manstretta

2016 46th European Microwave Conference (EuMC) > 731 - 734

2016 46th European Microwave Conference (EuMC)

Self-interference (SI) cancellation techniques are a promising solution to improve the dynamic range of SAW-less frequency-division duplexing (FDD) diversity receivers. The achievable isolation between transmitter and diversity receiver over the transmit signal bandwidth is limited by the strength and frequency selectivity of the coupling between main and diversity antennas. In this work we investigate...

article

Risk assessment and control of potentially genotoxic impurities: Implementation of a fully integrated approach

C. Devastato, E. Fioravanzo, S. Kovarich, M. Pavan, more

Toxicology Letters > 2016 > 258 > S > S203-S204

article

The mutual control of iron and erythropoiesis

C. Camaschella, A. Pagani, A. Nai, L. Silvestri

International Journal of Laboratory Hematology > 38 > S1 > 20 - 26

BackgroundIron is essential for hemoglobin synthesis during terminal erythropoiesis. To supply adequate iron the carrier transferrin is required together with transferrin receptor endosomal cycle and normal mitochondrial iron utilization. Iron and iron protein deficiencies result in different types of anemia. Iron‐deficiency anemia is the commonest anemia worldwide due to increased requirements, malnutrition,...

chapter

Compact filter solutions in substrate integrated waveguide (SIW) technology

S. Moscato, L. Silvestri, N. Delmonte, M. Bozzi, more

2016 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM) > 1 - 3

2016 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)

This paper presents an overview of the recent advances in the field of substrate integrated waveguide (SIW) filters with compact size. The proposed structures exploit different solutions to reduce substantially the footprint of the filters, including the use of folded SIW, half-mode SIW, and quarter-mode SIW cavities, as well as the use of mushroom-shaped resonators. While these solutions preserve...

chapter

Pathophysiology of Resistance amongst Aerobic Gram-negative Bacilli in Particular Acinetobacter Species

N. Taylor, L. Silvestri, H. K. F. Saene

Anaesthesia, Pharmacology, Intensive Care and Emergency Medicine A.P.I.C.E. > Infections, Sepsis and Organ Dysfunctions > 207-218

Selective decontamination of the digestive tract (SDD) is an antimicrobial prophylaxis consisting of parenteral cefotaxime and enteral and topical polymyxin E/tobramycin/amphotericin B (PTA). SDD prevents severe endogenous and exogenous infections of lower airways and blood and reduces mortality in the critically ill requiring treatment in the intensive care unit (ICU) [1].

chapter

Infections in ICU: An Ongoing Challenge

H. K. F. Saene, D. F. Zandstra, A. J. Petros, L. Silvestri, more

Intensive and Critical Care Medicine > Infections Surveillance, Prevention and Management > 261-272

During the late 1970s most intensivists acknowledged that the pathogenesis of the majority of infections in the intensive care unit (ICU) was endogenous. However, there were no supporting data.

chapter

Selective Decontamination of the Digestive Tract (SDD). Twenty-five Years of European Experience

L. Silvestri, M. A. Cal, H. K. F. Saene

Intensive and Critical Care Medicine > Infections Surveillance, Prevention and Management > 273-283

The key to infection control in the intensive care unit (ICU) is to appreciate that three different types of infection, due to a limited range of potentially pathogenic micro-organisms (PPMs), six “normal” and nine “abnormal,” require a different prophylactic maneuver. Primary endogenous infections can only be controlled by the immediate administration of parenteral antibiotics, and secondary endogenous...

chapter

Innovative SIW components on paper, textile, and 3D-printed substrates for the Internet of Things

M. Bozzi, S Moscato, L. Silvestri, N. Delmonte, more

2015 Asia-Pacific Microwave Conference (APMC) > 1 > 1 - 3

2015 Asia-Pacific Microwave Conference (APMC)

This paper presents an overview of the recent achievements in the developments of novel components and innovative materials for the future Internet of Things (IoT). The development of substrate integrated waveguide (SIW) components and antennas is discussed, with particular emphasis on the use of paper substrates for eco-friendly wireless systems, textile for wearable components, and 3D-printed substrates...

article

Excipients in Oral Antihistamines Can Perpetuate Allergic Contact Dermatitis

Elizabeth M. Tocci, Amanda Robinson, Leah Belazarian, Elizabeth Foley, more

Pediatric Dermatology > 32 > 6 > e242 - e244

Propylene glycol is a well‐documented causative agent of allergic contact dermatitis (ACD). It is also reported to cause systemic dermatitis after ingestion of foods or medicines containing it and after intravenous injection of a medicine with propylene glycol in its base. We describe two adolescents with sensitivity to propylene glycol confirmed by patch testing whose dermatitis improved dramatically...

article

In silico assessment of genotoxic impurities: Case-studies using ChemTunes Studio

E. Fioravanzo, C. Yang, J.F. Rathman, C.H. Schwab, more

Toxicology Letters > 2015 > 238 > 2(S) > S172

article

Characterization and quantification of genotoxic impurities complying with ICH M7: A pharma perspective

C. Landolfi, C. Devastato, M. Corradin, L. Durando, more

Toxicology Letters > 2015 > 238 > 2(S) > S363

article

H2 thermal desorption and hydride conversion reactions in Li cells of TiH2/C amorphous nanocomposites

F.M. Vitucci, A. Paolone, S. Brutti, D. Munaò, more

Journal of Alloys and Compounds > 2015 > 645 > S1 > S46-S50

Here we investigate the properties of amorphous TiH₂/carbon nanocomposites as possible active material in lithium cells. Several TiH₂/C mixtures are prepared by a mechanochemical route, by varying the carbon/hydride ratio. Materials are tested in electrochemical cells versus lithium metal in EC:DMC LiPF₆ electrolyte by galvanostatic cycling (GC) and are characterized by X-ray diffraction, transmission...

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INFONA - science communication portal

Search results for: L. Silvestri

Failure mechanism of NaAlH4 negative electrodes in lithium cells

Simulation of the thermal stress induced by CW 1340nm laser on 28nm advanced technologies

An extensive study of the MgFeH material obtained by reactive ball milling of MgH2 and Fe in a molar ratio 3:1

Colonization and Infection

Prevention of Infection Using Selective Decontamination of the Digestive Tract

Intravascular Catheter- Related Infections: An Update on Epidemiology and Prevention

Classification of ICU Infections

Infection Control in the Intensive Care Unit

Antenna coupling and self-interference cancellation bandwidth in SAW-less diversity receivers

Risk assessment and control of potentially genotoxic impurities: Implementation of a fully integrated approach

The mutual control of iron and erythropoiesis

Compact filter solutions in substrate integrated waveguide (SIW) technology

Pathophysiology of Resistance amongst Aerobic Gram-negative Bacilli in Particular Acinetobacter Species

Infections in ICU: An Ongoing Challenge

Selective Decontamination of the Digestive Tract (SDD). Twenty-five Years of European Experience

Innovative SIW components on paper, textile, and 3D-printed substrates for the Internet of Things

Excipients in Oral Antihistamines Can Perpetuate Allergic Contact Dermatitis

In silico assessment of genotoxic impurities: Case-studies using ChemTunes Studio

Characterization and quantification of genotoxic impurities complying with ICH M7: A pharma perspective

H2 thermal desorption and hydride conversion reactions in Li cells of TiH2/C amorphous nanocomposites

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