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Ultrasonically Activated Liquid Metal Catalysts in Water for Enhanced Hydrogenation Efficiency.
ACS Appl Mater Interfaces
January 2025
Department of Chemistry and Materials Engineering, Kansai University, 3-3-35 Yamate-cho, Suita, Osaka 564-8680, Japan.
Hydride (H) species on oxides have been extensively studied over the past few decades because of their critical role in various catalytic processes. Their syntheses require high temperatures and the presence of hydrogen, which involves complex equipment, high energy costs, and strict safety protocols. Hydride species tend to decompose in the presence of atmospheric oxygen and water, which reduces their catalytic activities.
View Article and Find Full Text PDFMiddle ear ventilation tubes and water precautions: A survey of otolaryngologists and pediatricians on their recommendations.
Arch Argent Pediatr
January 2025
Hospital Italiano de Buenos Aires, City of Buenos Aires, Argentina.
Introduction. Middle-ear ventilation tubes are commonly placed in pediatric patients because of the high frequency of otitis media. Although avoidance of water activity has been recommended to prevent otorrhea, studies indicate that exposure to water does not increase these episodes.
View Article and Find Full Text PDFEchocardiographic evaluation of inferior vena cava diameters and collapsibility index in healthy children.
Arch Argent Pediatr
January 2025
Medical Research Unit in Reproductive Medicine, High Specialty Medical Unit, Hospital de Gineco Obstetricia N.° 4, Luis Castelazo Ayala, Instituto Mexicano de Seguro Social, Mexico City, Mexico.
Introduction. Echocardiographic measurement of inferior vena cava diameters and collapsibility index (IVCCI) can estimate right heart chamber function and intravascular volume status. Few reports of reference values for diameters and IVCCI in the pediatric population exist.
View Article and Find Full Text PDFUse of 3D Printing Technology to Improve Lead Shield Fabrication for Electron Therapy of the Face.
Pract Radiat Oncol
January 2025
Department of Radiation Oncology, Christiana Care, Helen F. Graham Cancer Center & Research Institute, Newark, Delaware.
Superficial lesions of the face are often treated with an electron beam and surface collimation utilizing a conformal lead shield with an opening around the region of treatment (ROT). To fabricate the lead shield, an imprint of the patient face is needed. Historically, this was achieved using a laborious and time-consuming process that involved a gypsum imprinted model (GIM) of the patient topography.
View Article and Find Full Text PDFThe influence of 3-dimensional printing layer thickness on model accuracy and the perceived fit of thermoformed retainers.
Am J Orthod Dentofacial Orthop
January 2025
Department of Orthodontics, Case Western Reserve University, Cleveland, OH.
Introduction: This study aimed to investigate the accuracy of dental model printing using 2 different layer height settings and how these settings affect the fabrication of thermoformed retainers.
Methods: Subjects were recruited from the Department of Orthodontics at Case Western Reserve University and scanned according to specific selection criteria. A total of 30 stereolithography files were produced and used as reference files.
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