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Structural and Functional Remodeling for Elite Cyclists During Exercise; Pressure Volume Loops and Hemodynamic Forces Analysis.
Am J Physiol Heart Circ Physiol
January 2025
Sport Medicine Unit, Careggi University Hospital, Via delle Oblate 4, 50134 Florence, Italy.
The study was designed to investigate the pattern of intraventricular Hemo-Dynamic Forces (HDF) and myocardial performance during exercise in Elite Cyclists (EC). Transthoracic stress echocardiography was performed on nineteen EC and thirteen age-matched sedentary controls (SC) at three incremental exercise intensities based on Heart Rate Reserve (HRR). Left Ventricular (LV) HDF were computed from echocardiography long-axis data sets using a novel technique based on endocardial boundary tracking, both in apex-base and latero-septal directions.
View Article and Find Full Text PDFChiral induction at the nanoscale and spin selectivity in electron transmission in chiral methylated BEDT-TTF derivatives.
Nanoscale
January 2025
Department of Engineering "Enzo Ferrari", (DIEF), Univ. of Modena, Via Vivarelli 10, 41125 Modena, Italy.
Great efforts have been made in the last few decades to realize electronic devices based on organic molecules. A possible approach in this field is to exploit the chirality of organic molecules for the development of spintronic devices, an applicative way to implement the chiral-induced spin selectivity (CISS) effect. In this work we exploit enantiopure tetrathiafulvalene (TTF) derivatives as chiral inducers at the nanoscale.
View Article and Find Full Text PDFAssociation between health-related quality of life and perioperative exercise capacity in older postoperative patients with non-small cell lung cancer.
J Thorac Dis
December 2024
Department of Physical Therapy Science, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan.
Background: Lung cancer represents a significant global health concern and constitutes the primary cause of cancer-related mortality. Complete surgical resection with curative intent remains the most efficacious treatment modality for improving the survival rate of patients with localized lung cancer. Average life expectancy has increased in many countries, and the number of older patients undergoing surgery has increased.
View Article and Find Full Text PDFEfficient adsorptive removal of potassium from potassium perrhenate solution using a cationic ion exchange resin.
RSC Adv
January 2025
Electronic Material Research Center, Northwest Institute for Nonferrous Metal Research Xi'an 710016 China.
Potassium is a harmful impurity in the rhenium sinter, which adversely affects its mechanical properties by significantly reducing the density of sintered rhenium. Cationic resin is a promising material for potassium removal. In this study, the strong acid cationic exchange resin C160H was pretreated with an HNO solution to enhance its performance in potassium removal.
View Article and Find Full Text PDFDevelopment of an easy non-destructive particle isolation protocol for quality control of red blood cell concentrates.
J Extracell Biol
January 2025
Cell Biology Unit & Platform for Imaging Cells and Tissues, de Duve Institute UCLouvain Brussels Belgium.
The extracellular vesicle release in red blood cell concentrates reflects progressive accumulation of storage lesions and could represent a new measure to be implemented routinely in blood centres in addition to haemolysis. Nevertheless, there is currently no standardized isolation protocol. In a previous publication, we developed a reproducible ultracentrifugation-based protocol (20,000 × protocol) that allows to classify red blood cell concentrates into three cohorts according to their vesiculation level.
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