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Finite Element Analysis of Proximal Femoral Bionic Nail (PFBN), Proximal Femoral Nail Antirotation and InterTan for Treatment of Reverse Obliquity Intertrochanteric Fractures.
Orthop Surg
January 2025
Department of Trauma and Orthopeadics, Peking University People's Hospital, Beijing, People's Republic of China.
Objective: Reverse obliquity intertrochanteric fracture is an unstable type of fracture. Current guidelines recommend intramedullary fixation, but there are still complications such as screw removal, hip varus, nail withdrawal, and nail fracture. The objective of this study was to use finite element analysis to compare the biomechanical properties of the novel proximal femoral bionic nail (PFBN), proximal femoral nail antirotation (PFNA), and combined compression interlocking intramedullary nail (InterTan) in the treatment of reverse obliquity intertrochanteric fractures (AO/OTA 31-A3.
View Article and Find Full Text PDFPredicting metal-binding proteins and structures through integration of evolutionary-scale and physics-based modeling.
J Mol Biol
January 2025
Department of Biochemistry and Cell Biology, Stony Brook University, Stony Brook, NY, USA; Biology Department, Brookhaven National Laboratory, Upton, NY, USA. Electronic address:
Metals are essential elements in all living organisms, binding to approximately 50% of proteins. They serve to stabilize proteins, catalyze reactions, regulate activities, and fulfill various physiological and pathological functions. While there have been many advancements in determining the structures of protein-metal complexes, numerous metal-binding proteins still need to be identified through computational methods and validated through experiments.
View Article and Find Full Text PDFComparison between the fluid-structure interaction approach and the finite element method approach to analyze the leaflet flutter in bioprosthetic aortic valve.
J Biomech
January 2025
Universidade Federal de São João Del-Rei, Praça Frei Orlando, 170, São João Del Rei, Minas Gerais, Brazil. Electronic address:
The low durability of bioprosthetic heart valves (BHV), between 10-15 years, is associated with the development of leaflets flutter. Despite increasing calcification and structural damage of the BHV, leaflets flutter is an understudied condition. Therefore, the objective of this study is compare the oscillation characteristics of BHV leaflets obtained by the finite element method (FEM) technique and by the fluid-structural interaction (FSI) technique.
View Article and Find Full Text PDFImpact of smoking on oral mucosa: A cytological and cellular proliferation study.
Tissue Cell
January 2025
Laboratory Medicine Department, Faculty of Applied Medical Science, University of Al Baha, Saudi Arabia. Electronic address:
Background: Cigarette smoking is known to induce various cellular changes and proliferative activities within the oral mucosa. This study compares the effects of smoking on cellular proliferation and cytological alterations using the AgNORs and Pap staining methods.
Methods: We performed statistical analyses to evaluate the mean AgNORs count in smokers and non- smokers.
Effect of hemoperfusion in critically ill COVID-19 patients: a case series from a single-center hospital in Indonesia.
J Infect Dev Ctries
December 2024
Intensive Care Unit, Columbia Asia Hospital, Semarang, Indonesia.
Introduction: Hemoperfusion (HP), a blood filtration method targeting the removal of toxins and inflammatory elements, was investigated in this study. The objective was to present the observations in four individuals with confirmed COVID-19 who underwent several rounds of HP utilizing the HA330 cartridge at a hospital in Indonesia.
Case Studies: We report four cases of COVID-19 patients who underwent HP.
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