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LC-HRMS screening procedure for the detection of 11 different classes of prohibited substances in dried urine spots for doping control purposes.
Anal Bioanal Chem
January 2025
Doping Control Laboratory, Department of Diagnostic Sciences, Ghent University, Block B, Ottergemsesteenweg 460, BE-9000, Ghent, Belgium.
Dried urine spots have recently been proposed as an alternative matrix in the anti-doping field. Drying urine may open the opportunity to limit microbial and thermal degradation of the prohibited substances during transportation to the anti-doping laboratories without the need for refrigeration or freezing. In this study, a multi-targeted initial testing procedure was developed for the determination of 237 prohibited drugs/metabolites from 11 different classes in dried urine spots.
View Article and Find Full Text PDFEvaluation of Efficacy and Safety of miraDry Procedure in the Treatment of Primary Axillary Hyperhidrosis.
Aesthetic Plast Surg
January 2025
Department of Plastic, Reconstructive and Aesthetic Surgery, Academic Hospital Feldkirch, Carinagasse 47, 6807, Feldkirch, Austria.
Introduction: Primary axillary hyperhidrosis significantly impacts the quality of life of affected individuals. miraDry, a non-invasive local precisely controlled thermal energy procedure, represents a promising treatment option. This retrospective analysis aimed to evaluate the treatment success and patient safety following miraDry procedure in the treatment of primary axillary hyperhidrosis.
View Article and Find Full Text PDFAccurate assessment of the three-dimensional shrinkage stress evolution for photopolymerized dental filling materials: Mechano-chemo-thermo-coupled finite element modeling and experimental validation.
Dent Mater
January 2025
Department of Engineering Mechanics, School of Civil Engineering, Wuhan University, Wuhan, Hubei 430072, China; Wuhan University Shenzhen Research Institute, Shenzhen 518108, China. Electronic address:
Objective: Photopolymerized resin composites are widely used as dental filling materials. However, the shrinkage stress generated during photopolymerization can lead to marginal microcracks and eventual restoration failure. Accurate assessment of the stress evolution in dental restorations, particularly in complex cavity geometries, is critical for improving the performance and longevity of the dental filling materials.
View Article and Find Full Text PDFNovel smart materials with high curie temperatures: EuDyGeO, EuLaGeO and EuHoGeO.
Appl Radiat Isot
December 2024
Department of Metallurgy and Materials Engineering, Faculty of Engineering and Natural Sciences, Konya Technical University, Konya, Turkey.
The EuDyGeO, EuLaGeO and EuHoGeO powder were obtained through a solid-state reaction method via multistep firing of stoichiometric ratios of EuO, GeO, DyO, LaO and HoO in open atmosphere at temperatures from 800 to 1150 °C. The thermal behaviour, phase formation, SEM/EDX analysis, photoluminescence properties, Curie tempereture, dielectric and piezoelectric properties of the samples were investigated by TG/DTA, XRD, SEM, PL, TG/DTA, LCR-meter and d-meter, respectively. The germenates having triclinic crystal system have D→F, D→F, D→F, D→F transitions of Eu ions.
View Article and Find Full Text PDFComparative analysis of Modified Johnson-Cook model and Artificial Neural Network for flow stress prediction in BN-reinforced AZ80 magnesium composite.
J Phys Condens Matter
January 2025
University of Science and Technology Beijing, No. 30, Xueyuan Road, Haidian District, Beijing, 100083, CHINA.
Boron nitride (BN), renowned for its exceptional optoelectrical properties, mechanical robustness, and thermal stability, has emerged as a promising two-dimensional (2D) material. Reinforcing AZ80 magnesium alloy with BN can significantly enhance its mechanical properties. To investigate and predict this enhancement during hot deformation, we introduce two independent modeling approaches a modified Johnson-Cook (J-C) constitutive model and an Artificial Neural Network (ANN).
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