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Four different materials-pure NiO, pure LSCF (LaSrCoFeO ), 10% Ni/LSCF, and 20% Ni/LSCF-were studied. The Ni/LSCF catalysts demonstrated superior catalytic performance for both NO decomposition and the partial oxidation of methane (POM) compared to pure NiO and pure LSCF. This enhancement is attributed to an increase in oxygen vacancies and improved oxygen mobility within the catalyst, as evidenced by O-TPD analysis.
View Article and Find Full Text PDFStudy on the catalytic mechanism and water resistance of Cu-Mn-Sn catalyst for CO elimination.
Sci Rep
January 2025
College of Architecture and Transportation, Liaoning Technical University, Fuxin, 123000, China.
CO in coal mine underground spaces can easily cause casualties among miners. The humidity in coal mines is relatively high, and traditional Cu-Mn catalysts are prone to deactivation. Compared to traditional Cu-Mn catalysts, doping with Sn enhances the activity and water resistance of Cu-Mn catalysts.
View Article and Find Full Text PDFComposition-Dependent Voltage-Driven OFF-ON Switching of Ferromagnetism in Co-Ni Oxide Microdisks.
ACS Appl Mater Interfaces
January 2025
Departament de Física, Universitat Autònoma de Barcelona, Cerdanyola del Vallès 08193, Spain.
Magneto-ionics, which refers to the modification of the magnetic properties of materials through electric-field-induced ion migration, is emerging as one of the most promising methods to develop nonvolatile energy-efficient memory and spintronic and magnetoelectric devices. Herein, the controlled generation of ferromagnetism from paramagnetic Co-Ni oxide patterned microdisks (prepared upon thermal oxidation of metallic microdisks with dissimilar Co-Ni ratios, i.e.
View Article and Find Full Text PDFEffects of asymmetric nasal high-flow cannula on carbon dioxide in hypercapnic patients: A randomised crossover physiological pilot study.
Pulmonology
December 2025
Alma Mater Studiorum, Department of Medical and Surgical Sciences (DIMEC), University of Bologna, Bologna, Italy.
Nasal high flow (NHF) therapy is an established form of non invasive respiratory support used in acute and chronic care. Recently, a new high flow nasal cannula with asymmetric prongs was approved for clinical use. The clinical benefits of the new cannula have not yet been defined and no evidence are available on the use of asymmetric NHF support in patient with Chronic Obstructive Pulmonary Disease (COPD).
View Article and Find Full Text PDFLung Ultrasound Score as a Predictor of Clinical Severity and Prognosis in Patients of Ventilator-associated Pneumonia.
Indian J Crit Care Med
November 2024
Department of Anesthesiology Critical Care, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India.
Background: To estimate a correlation between change in lung ultrasound aeration score (LUSS) and mortality in patients with ventilator-associated pneumonia.
Materials And Methods: We conducted a prospective observational study in which lung ultrasound, the partial pressure of arterial oxygen to fraction of inspired oxygen ratio (PaO/FiO ratio), and static lung compliance were performed for five consecutive days since the diagnosis of ventilator-associated pneumonia (day 1-5) in a 20-bed multidisciplinary intensive care unit in at a tertiary care academic institute in Northern India. A hundred and seventeen ventilated patients were studied for the first 5 days after ventilator-associated pneumonia (VAP) development.
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