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| http://dx.doi.org/10.1513/AnnalsATS.202005-569RL | DOI Listing |
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An improved endwall-injection technique for examining high-temperature ignition of lubricating oils in shock tubes.
Rev Sci Instrum
January 2025
J. Mike Walker '66 Department of Mechanical Engineering, Texas A&M University, College Station, Texas 77843, USA.
Ignition of the lubricating fluid in a mechanical system is a highly undesirable and unsafe condition that can arise from the elevated temperatures and pressures to which the lubricant is subjected. It is therefore important to understand the fundamental chemistry behind its ignition to predict and prevent this condition. Lubricating oils, particularly those with a mineral oil base, are very complex mixtures of thousands of hydrocarbons.
View Article and Find Full Text PDFUnraveling climate change-induced compound low-solar-low-wind extremes in China.
Natl Sci Rev
January 2025
College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China.
China's pursuit of carbon neutrality targets hinges on a profound shift towards low-carbon energy, primarily reliant on intermittent and variable, yet crucial, solar and wind power sources. In particular, low-solar-low-wind (LSLW) compound extremes present a critical yet largely ignored threat to the reliability of renewable electricity generation. While existing studies have largely evaluated the impacts of average climate-induced changes in renewable energy resources, comprehensive analyses of the compound extremes and, particularly, the underpinning dynamic mechanisms remain scarce.
View Article and Find Full Text PDFImpact of PM, relative humidity, and temperature on sleep quality: a cross-sectional study in Taipei.
Ann Med
December 2025
School of Respiratory Therapy, College of Medicine, Taipei Medical University, Taipei, Taiwan.
Introduction: TWe investigated impacts of particulate matter with an aerodynamic diameter of less than 2.5 μm (PM), relative humidity (RH), and temperature on sleep stages and arousal.
Materials And Methods: A cross-sectional analysis involving 8,611 participants was conducted at a sleep center in Taipei.
Assessment of COVID-19 incidence after performing pulmonary function tests during the pandemic: Findings from a real-life cohort.
Heart Lung
January 2025
Programa de Pós-Graduação em Ciências Pneumológicas, Universidade Federal do Rio Grande do Sul - Rua Ramiro Barcelos, 2350, Sala 2050, CEP 90035-003, Porto Alegre, RS, Brazil; Unidade de Fisiologia Pulmonar, Hospital de Clínicas de Porto Alegre - Rua Ramiro Barcelos, 2350, Sala 2050, CEP 90035-003, Porto Alegre, RS, Brazil.
Background: Pulmonary function testing (PFT) is paramount in assessing patients with respiratory symptoms and chronic cardiopulmonary diseases. Although seminal studies have demonstrated that PFT generates aerosols, this simple observation does not confirm the potential for enhanced pathogen transmission.
Objective: We aimed to describe the frequency of patients who developed suspected symptoms of COVID-19, prompting SARS-CoV-2 testing after undergoing PFT during the reopening of a laboratory amid the deceleration of the pandemic.
Development and Characterization of Novel Combinations and Compositions of Nanostructured Lipid Carrier Formulations Loaded with Trans-Resveratrol for Pulmonary Drug Delivery.
Pharmaceutics
December 2024
Department of Pharmaceutical Sciences, College of Pharmacy, QU Health Sector, Qatar University, Doha 2713, Qatar.
Background/objectives: This study aimed to fabricate, optimize, and characterize nanostructured lipid carriers (NLCs) loaded with trans-resveratrol (TRES) as an anti-cancer drug for pulmonary drug delivery using medical nebulizers.
Methods: Novel TRES-NLC formulations (F1-F24) were prepared via hot, high-pressure homogenization. One solid lipid (Dynasan 116) was combined with four liquid lipids (Capryol 90, Lauroglycol 90, Miglyol 810, and Tributyrin) in three different ratios (10:90, 50:50, and 90:10 /), with a surfactant (Tween 80) in two different concentrations (0.
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