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Multiscale Hierarchical Micro- and Nano-Surface Induced by High-Repetition-Rate Femtosecond Laser Promote Peri-Implant Osseointegration.
ACS Appl Bio Mater
January 2025
Department of Stomatology, Second Affiliated Hospital, Third Military Medical University, Chongqing 400037, P. R. China.
Micro- and nanomorphological modification and roughening of titanium implant surfaces can enhance osseointegration; however, the optimal morphology remains unclear. Laser processing of implant surfaces has demonstrated significant potential due to its precision, controllability, and environmental friendliness. Femtosecond lasers, through precise optimization of processing parameters, can modify the surface of any solid material to generate micro- and nanomorphologies of varying scales and roughness.
View Article and Find Full Text PDFCommunity Perspectives on Optimizing Community Health Volunteer Roles for HIV Prevention Services in Kenya and Uganda.
AIDS Patient Care STDS
January 2025
Department of Obstetrics, Gynecology & Reproductive Sciences, University of California San Francisco, Oakland, California, USA.
Community health workers (CHWs) play a significant role in supporting health services delivery in communities with few trained health care providers. There has been limited research on ways to optimize the role of CHWs in HIV prevention service delivery. This study explored CHWs' experiences with offering HIV prevention services [HIV testing and HIV pre- and post-exposure prophylaxis (PrEP and PEP)] during three pilot studies in rural communities in Kenya and Uganda, which aimed to increase biomedical HIV prevention coverage via a structured patient-centered HIV prevention delivery model.
View Article and Find Full Text PDFCausal Inference With Observational Data and Unobserved Confounding Variables.
Ecol Lett
January 2025
Department of Ecology and Evolutionary Biology, University of Colorado Boulder, Boulder, Colorado, USA.
Experiments have long been the gold standard for causal inference in Ecology. As Ecology tackles progressively larger problems, however, we are moving beyond the scales at which randomised controlled experiments are feasible. To answer causal questions at scale, we need to also use observational data -something Ecologists tend to view with great scepticism.
View Article and Find Full Text PDFPerfusion Capacity as a Predictive Index for Assessing Visual Functional Recovery in Patients With Idiopathic Epiretinal Membrane.
Transl Vis Sci Technol
January 2025
State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangdong Provincial Clinical Research Center for Ocular Diseases, Guangzhou, China.
Purpose: This study investigates the association between visual function and retinal vasculature metrics, particularly perfusion capacity (PC), in eyes with idiopathic epiretinal membrane (iERM), using optical coherence tomography angiography (OCTA).
Methods: This retrospective study includes 30 eyes from 30 iERM patients who had surgery, with a three-month follow-up period. In addition, 28 eyes from 28 healthy individuals served as a control group.
Research on the infiltration law and enhancing application of dust suppressants in powder materials.
J Air Waste Manag Assoc
January 2025
School of Emergency Management and Safety Engineering, China University of Mining and Technology (Beijing), Beijing, China.
Dust emissions from open-pit mining pose a significant threat to environmental safety and human health. Currently, the range of dust suppressants used in coal mining is limited, often failing to account for their suitability across various stockpiles. This oversight results in poor infiltration after application, leading to insufficient crust formation and reduced durability.
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