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Characterizing the Transient Emission of Particles and Gases from a Single Puff of Electronic Cigarette Smoke.
Chem Res Toxicol
January 2025
Department of Chemical, Environmental, and Materials Engineering, University of Miami, Miami, Florida 33146, United States.
This study employed high-time-resolution systems to examine the transient properties of aerosols and gases emitted from electronic cigarette (EC) puffs. Using a fast aerosol sizer, we measured particle size distributions (PSDs) across various EC brands (JUUL, VUSE, VOOPOO), revealing sizes ranging from 5 to 1000 nm at concentrations of 10 to 10 cm. Most aerosols were found to be in the ultrafine range (below 100 nm), with JUUL-, VUSE-, and VOOPOO-producing aerosols with geometric mean sizes of 19.
View Article and Find Full Text PDFEnhancing Osteogenesis and Mechanical Properties through Scaffold Design in 3D Printed Bone Substitutes.
ACS Biomater Sci Eng
January 2025
Xiangya School of Stomatology, Central South University, Changsha 410008, Hunan, China.
In the context of regenerative medicine, the design of scaffolds to possess excellent osteogenesis and appropriate mechanical properties has gained significant attention in bone tissue engineering. In this review, we categorized materials into metallic, inorganic, nonmetallic, organic polymer, and composite materials. This review provides a more integrated and multidimensional analysis of scaffold design for bone tissue engineering.
View Article and Find Full Text PDFFailure to thrive: A proposed diagnostic approach.
Arch Argent Pediatr
January 2025
Universidade Estadual de Campinas - UNICAMP, Campinas, SP, Brazil.
Failure to thrive is a general term describing infants who do not reach weight, length, or body mass index expected for their age. It can be related often to malnutrition due to inadequate caloric and protein intake, but also to excessive loss of nutrients, inadequate metabolism, inadequate absorption, or excessive caloric and energy expenditure. It may be either organic or inorganic in origin, and in most cases, does not require investigation through complementary examinations.
View Article and Find Full Text PDFWorkforce Attrition Among Emergency Medicine Non-Physician Practitioners.
Ann Emerg Med
January 2025
Department of Emergency Medicine, Yale School of Medicine, New Haven, CT; Center for Outcomes Research and Evaluation, Yale School of Medicine, New Haven, CT.
Study Objective: Non-physician practitioners, including nurse practitioners and physician assistants, increasingly practice in emergency departments, especially in rural areas, where they help mitigate physician shortages. However, little is known about non-physician practitioner durability and demographic trends in emergency departments. Our objective was to examine attrition rates and ages among non-physician practitioners in emergency medicine.
View Article and Find Full Text PDFNutrition Interventions to Improve the Military Nutrition Environment Positively Impacts Service Members.
J Nutr Educ Behav
January 2025
Consortium for Health and Military Performance, Department of Military Emergency Medicine, F. Edward Hébert School of Medicine, Uniformed Services University, Bethesda, MD; Henry M. Jackson Foundation for the Advancement of Military Medicine, Inc., Bethesda, MD.
Introduction: This systematic review examines dietary interventions in the military nutrition environment (MNE) to support the health and performance of service members (SM).
Methods: Articles that implemented a dietary intervention for active duty SMs on military installations were included in this analysis (from 2010 to 2013). Of the 723 articles yielded in screening through Covidence, 6 studies qualified to be included in this review.
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