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Synthesis of Reduced Graphene Oxide as a Support for Nano Copper and Palladium/Copper Catalysts for Selective NO Reduction by CO.
ACS Omega
October 2020
Nanotechnology Engineering Program, COPPE/PENt, Federal University of Rio de Janeiro, CEP 21941-972 Rio de Janeiro/RJ, Brazil.
Copper and palladium/copper nanoparticles supported on reduced graphene oxide catalysts were synthesized and evaluated for the selective NO reduction by CO. The catalysts were characterized by XRD, nitrogen adsorption-desorption, TGA, XPS, TPR, XRD, STEM, and HRTEM. The STEM and HRTEM results showed high metal oxide dispersions on the rGO.
View Article and Find Full Text PDFVentral incisional hernia case report: A therapeutic challenge.
SAGE Open Med Case Rep
June 2020
Department of Morphology, Biomedical Institute, Fluminense Federal University, Rio de Janeiro, Brazil.
Incisional hernias are a very common condition and they still are considered to be a surgical challenge due to their recurrence rate. Smoking, obesity and age are risk factors for developing these abdominal wall defects. Despite recent advances in hernia repairs, the recurrence rates of hernias did not significantly diminished, even after the introduction of meshes.
View Article and Find Full Text PDFMaternal undernutrition during lactation leads to reduction in skull size and thickness of adult-aged Wistar rats.
Arch Med Sci
January 2020
Fluminense Federal University, Niterói, Rio de Janeiro, Brazil.
Introduction: It is known that the quality and quantity of milk is directly related to the dietary habits of the mother. Despite that, the rates of maternal malnutrition during lactation are increasing in several countries; thus, observing its effects on the offspring is relevant. The present study aims to verify the effects of maternal malnutrition during breastfeeding on the skulls of adult-aged Wistar rats.
View Article and Find Full Text PDFThe olecranon aperture of the humerus: a meta-analysis with anthropological and clinical discussion.
Homo
August 2019
Morphology Department, Biomedical Institute, Fluminense Federal University, Niterói, Brazil.
Article Synopsis
- The olecranon aperture is an anatomical variant of the humerus that connects the olecranon and coronoid fossae, also known as the supratrochlear foramen.
- The meta-analysis included 61 studies and analyzed a total of 20,338 humeri, finding a prevalence of 21.9%, more common in females and notably higher in individuals from Africa.
- The authors suggest that the term "supratrochlear foramen" is misleading and propose the term "olecranon aperture" instead, as foramina usually serve as conduits for vessels or nerves.
The artery of Mouchet: blood supply of the septomarginal trabecula in 50 human hearts.
Rev Assoc Med Bras (1992)
October 2018
Morphology Department, Fluminense Federal University, Niterói/RJ, Brasil.
The septomarginal trabecula is a muscular structure which transmits the right branch of the atrioventricular bundle. It is usually supplied by a branch from the second anterior septal artery. Anastomoses between the right and left coronary arteries may happen on the septomarginal trabecula.
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