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Synthesis, characterization, and application of MnFeO/FeVO/modified zeolite nanocomposite as an effective photocatalyst for methylene blue degradation and benzothiophene desulfurization.
Heliyon
January 2025
Department of Nanotechnology, Faculty of New Sciences and Technologies, Semnan University, Semnan, Iran.
This study details the synthesis of a novel ternary nanocomposite composed of MnFeO, FeVO, and modified zeolite, achieved through a two-step process. The initial step involved the hydrothermal synthesis of the MnFeO/FeVO composite, followed by its application onto modified zeolite using ultrasonic waves. The synthesized nanocomposite was thoroughly characterized using a range of analytical techniques.
View Article and Find Full Text PDFNondestructive Monitoring of Textile-Reinforced Cementitious Composites Subjected to Freeze-Thaw Cycles.
Materials (Basel)
December 2024
Department of Mechanics of Materials and Constructions, Faculty of Engineering, Vrije Universiteit Brussel, B-1050 Brussels, Belgium.
Cementitious materials are susceptible to damage not only from mechanical loading, but also from environmental (physical, chemical, and biological) factors. For Textile-Reinforced Cementitious (TRC) composites, durability poses a significant challenge, and a reliable method to assess long-term performance is still lacking. Among various durability attacks, freeze-thaw can induce internal cracking within the cementitious matrix, and weaken the textile-matrix bond.
View Article and Find Full Text PDFLabel free, capillary-scale blood flow mapping in vivo reveals that low-intensity focused ultrasound evokes persistent dilation in cortical microvasculature.
Commun Biol
January 2025
Department of Physiology, New York Medical College, Valhalla, NY, USA.
Non-invasive, low intensity focused ultrasound is an emerging neuromodulation technique that offers the potential for precision, personalized therapy. An increasing body of research has identified mechanosensitive ion channels that can be modulated by FUS and support acute electrical activity in neurons. However, neuromodulatory effects that persist from hours to days have also been reported.
View Article and Find Full Text PDFA comparative study of experimental and simulated ultrasound beam propagation through cranial bones.
Phys Med Biol
January 2025
Department of Medical Physics and Biomedical Engineering, University College London, London WC1E 6BT, United Kingdom.
Transcranial ultrasound is used in a variety of treatments, including neuromodulation, opening the blood-brain barrier, and high intensity focused ultrasound therapies. To ensure safety and efficacy of these treatments, numerical simulations of the ultrasound field within the brain are used for treatment planning and evaluation. This study investigates the accuracy of numerical modelling of the propagation of focused ultrasound through cranial bones.
View Article and Find Full Text PDFUltrasound imaging with flexible transducers based on real-time and high-accuracy shape estimation.
Ultrasonics
December 2024
Department of Biomedical Engineering, Fudan University, Shanghai 200438, China; Key Laboratory of Medical Imaging Computing and Computer Assisted Intervention of Shanghai, Shanghai 200032, China. Electronic address:
Article Synopsis
- Ultrasound imaging with flexible transducers needs precise shape geometry for effective beamforming, but traditional methods for shape estimation are costly in terms of computation time and often lack accuracy.
- A new deep-learning method, FlexSANet, offers a fast and accurate approach by demodulating I/Q data and using a sparse processing mechanism to reduce estimation time.
- Evaluations show that FlexSANet achieves high-quality imaging with minimal error in shape estimation (less than 1/8 wavelengths), and demonstrates promising clinical application potential with an estimation time of just 0.12 seconds.
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