The goal of this study was to biomechanically and morphologically research both the impact of mobile phone like radiofrequency radiations (RFR) on the tibia and the effects on skeletal muscle through oxidative stress parameters. Fifty-six rats (200-250 g) were put into groups: healthy sham (n = 7), healthy RFR (900, 1800, 2100 MHz) (n = 21), diabetic sham (n = 7) and diabetic RFR (900, 1800, 2100 MHz) (n = 21). Over a month, each group spent two hours/day in a Plexiglas carousel. The rats in the experimental group were exposed to RFR, but the sham groups were not. At the end of the experiment, the right tibia bones and skeletal muscle tissue were removed. The three-point bending test and radiological evaluations were performed on the bones, and CAT, GSH, MDA, and IMA in muscles were measured. There were differences in biomechanics properties and radiological evaluations between the groups (p < .05). In the measurements in the muscle tissues, significant differences were statistically found (p < .05). The average whole-body SAR values for GSM 900, 1800 and 2100 MHz were 0.026, 0.164, and 0.173 W/kg. RFRs emitted from mobile phone may cause adverse effects on tibia and skeletal muscle health, though further studies are needed.
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http://dx.doi.org/10.1080/15368378.2023.2179065 | DOI Listing |
Spectrochim Acta A Mol Biomol Spectrosc
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Shaanxi Provincial Key Laboratory of Geological Support for Coal Green Exploitation, Xi'an University of Science and Technology, Xi'an 710054 China.
The coal molecular structure in micro-areas plays a critical role in matrix thermal conduction and volatile generation during the pyrolysis of tar-rich coal. However, as a major maceral contributing to hydrocarbon generation, the molecular structures of different micro-areas in vitrinite show heterogeneity, which still lacks research. Micro-FTIR technology was used in this study to characterize the molecular structure in different micro-areas of tar-rich coal with varying tar yields.
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School of Pharmaceutical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia.
Objectives: Del. leaves are used in traditional Southeast Asia and Africa medicinal practices. Metformin is used for diabetes management.
View Article and Find Full Text PDFPhys Chem Chem Phys
January 2025
College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China.
Recently, atomic-thickness van der Waals (vdW) layered bismuth selenite (BiSeO) has been successfully synthesized, not only expanding the family of two-dimensional (2D) materials, but also playing a pivotal role in the advancement of 2D electronics as a high- dielectric. In this work, we systematically study the basic properties of 2D BiSeO through first-principles calculations, focusing on the spin-orbit coupling (SOC) effect and layer-dependent behaviors. The results show that SOC can adjust the bandgap of bulk/2D BiSeO from direct to indirect, with the bandgap decreasing upon increasing the thickness due to quantum confinement.
View Article and Find Full Text PDFAn Acad Bras Cienc
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State University of Maringá, Sustainability Graduate Program, Avenida Ângelo Moreira da Fonseca, 1800, Parque Danielle, 87506-370 Umuarama, PR, Brazil.
The use of agro-industrial wastes as biosorbents is a promising alternative for sustainable, economical and effective adsorption. However, few studies evaluate the use of Brazilian agro-industrial waste as biosorbents without physicochemical pre-treatment. This study explored the potential of sugarcane bagasse (SCB) and rice husk waste (RHW) as low-cost biosorbents for yellow tartrazine dye removal.
View Article and Find Full Text PDFSci Rep
December 2024
Earle A. Chiles Research Institute, Robert W. Franz Cancer Center, Providence Portland Medical Center, 4805 NE Glisan St, Portland, OR, 97213, USA.
The uniqueness in each person's cancer cells and variation in immune infiltrates means that each tumor represents a unique problem, but therapeutic targets can be found among their shared features. Radiation therapy alters the interaction between the cancer cells and the stroma through release of innate adjuvants. The extranuclear DNA that can result from radiation damage of cells can result in production of the second messenger cyclic guanosine monophosphate-adenosine monophosphate (cGAMP) by cyclic GMP-AMP synthase (cGAS).
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