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Reallocating Time Between 24-h Movement Behaviors for Obesity Management Across the Lifespan: A Pooled Data Meta-Analysis of More Than 9800 Participants from Seven Countries.
Sports Med
December 2024
Australian Catholic University, North Sydney, NSW, Australia.
Article Synopsis
- The study investigates how reallocating time among physical activity, sedentary behavior, and sleep affects obesity indicators like BMI and waist circumference across various age groups.
- Researchers analyzed data from 9,818 participants using isotemporal substitution models to understand the implications of these behavior changes.
- Results indicated that even small shifts of 10-30 minutes can significantly impact obesity, with reallocating moderate-to-vigorous physical activity (MVPA) to lighter activities or sedentary behavior having particularly detrimental effects.
Exploring Adolescent Moderate-to-Vigorous Physical Activity in China: Mediating Roles of School Climate, Perceived Barriers, and Physical Education Satisfaction.
Risk Manag Healthc Policy
December 2024
School of Business, Hunan University of Science and Technology, Xiangtan, 411201, People's Republic of China.
Background: The lack of physical activity poses a major challenge to adolescents' healthy physical and mental development. Despite growing attention, research on how the school physical activity climate affects Chinese adolescents' participation in moderate-to-vigorous physical activity (MVPA) remains scarce. This study explores this relationship through the lens of ecological systems theory, focusing on the mediating roles of physical education satisfaction and perceived barriers.
View Article and Find Full Text PDFRapid high-throughput isolation and purification of chicken myoblasts based on deterministic lateral displacement microfluidic chips.
PLoS One
December 2024
School of Mechanical and Electrical Engineering, Hainan University, Haikou, China.
Myoblasts are defined as stem cells containing skeletal muscle cell precursors. However, there are some challenges associated with the purification of myoblast samples, including long culture times and ease of bacterial contamination. In this study, we propose a microfluidic myoblast cell enrichment and purification platform based on the principle of deterministic lateral displacement (DLD).
View Article and Find Full Text PDFAdaptive fabric with emissivity regulation for thermal management of humans.
Nanophotonics
July 2024
Department of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei 230027, China.
The heat generation of the human body dramatically varies between resting and active status, so dynamic heat dissipation is required to ensure optimal thermal comfort. Herein, we propose a spectrally self-adaptive smart fabric (SSSF) by covering polyester fabric with silver nanowires, which autonomously adjusts its emissivity in response to the body's movement status from dry to wet states. During periods of inactivity, the SSSF maintains radiative heat insulation with a low emissivity state of 0.
View Article and Find Full Text PDFPolysilsesquioxane Open Hollow Spheres for Heavy Metal Ions Adsorption.
Chemistry
December 2024
Department of Polymer Materials and Engineering, College of Materials and Metallurgy, Guizhou University, Guiyang, 550025, China.
Hollow microspheres with open windows on the shells have shown significant potential in adsorption, catalysis, and drug delivery fields, owing to their low density, large interior volume, high specific surface area, and abundant availability of adsorption sites. However, creating open hollow spheres with structurally stable and entirely organic-functionalized surfaces remains a challenge. Herein, we fabricated polysilsesquioxane open hollow spheres using trialkoxysilane containing mercaptopropyl groups under vigorous stirring, employing polystyrene microspheres as a template.
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