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The dose-response relationship between noise-induced hearing loss and cumulative noise exposure adjusted by the effect of hearing protection devices among workers in Southern China.
J Occup Environ Hyg
January 2025
Institute of Physical Factors and Occupational Health, Guangdong Province Hospital for Occupational Disease Prevention and Treatment, Guangzhou, Guangdong Province, China.
The noise exposure levels of workers wearing hearing protective devices (HPDs) depend on ambient noise and the protective effect of hearing protectors. This cross-sectional study aimed to adjust for cumulative noise exposure (CNE) based on the effective protection of hearing protection devices and explore the dose-response relationship between noise-induced hearing loss (NIHL) and adjusted cumulative noise exposure. A questionnaire was used to acquire the basic characteristics and occupational information of noise-exposed workers.
View Article and Find Full Text PDFChangeover method for biosafety cabinets using ozone gas.
PLoS One
January 2025
Center for Stem Cell and Regenerative Medicine, Institute of Science Tokyo, Bunkyo-ku, Tokyo, Japan.
This study evaluated the effectiveness of a biosafety cabinet equipped with an ozone generator, particularly during the transition periods between the production of cell products. As living cell products cannot undergo sterilization, maintaining an aseptic manufacturing environment is paramount. Raw materials, often derived from human tissues, are frequently contaminated with various resident bacteria, necessitating environmental resets after each process.
View Article and Find Full Text PDFComparison of Bicortical Headless Cannulated Screw Fixations, Tension Band Fixations, and Kirschner Wire Fixations of a Jones Fracture: A Biomechanical Study.
J Am Podiatr Med Assoc
January 2025
‡Canakkale Onsekiz Mart University Medical Faculty, Department of Orthopedics and Traumatology, Çanakkale, Turkey.
Background: The aim of study was to biomechanically compare the fixation of Jones fracture using headless cannulated screw, tension band, and two Kirschner wires.
Methods: A total of 60 fourth-generation, fifth metatarsal synthetic bone models were divided into three groups according to the fixation techniques. A vertical load, oriented from plantar to dorsal and lateral to medial, was applied to the metatarsal specimen that were potted with molding material.
Photoregulation of the biosynthetic activity of fungus using colloidal solutions of biogenic metal nanoparticles and low-intensity laser radiation.
Bioengineered
December 2025
Department of Translational Medical Bioengineering, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute", Kyiv, Ukraine.
This article presents new data on the integrated use of colloidal solutions of nanoparticles and low-intensity laser radiation on the biosynthetic activity of the medicinal mushroom . Traditional mycological methods, colloidal solutions of biogenic metals, and unique photobiological methods have also been used. It was found that colloidal solutions of nanoparticles of all metals used increased the growth characteristics of (55-60%), while irradiation of the fungal inoculum with laser light in a medium with nanoparticles reduced the growth activity of mycelia by 12.
View Article and Find Full Text PDFIn Situ Analysis of Li Plating and Stripping Behaviors Under Dynamic Current Conditions for Realistic Application Scenarios.
Adv Sci (Weinh)
January 2025
State Key Laboratory of Materials Processing and Die & Mould Technology, School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, China.
Lithium metal batteries are considered the holy grail for next-generation high-energy systems. However, lithium anode faces poor reversibility, unsatisfying cyclability and rate capability due to its uncontrollable plating/stripping behavior. While galvanostatic conditions are extensively studied, the behavior under more realistic application scenarios with variable inputs are less explored.
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