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Challenges in classifying cavitation: Correlating high-speed optical imaging and passive acoustic mapping of cavitation dynamics.
J Acoust Soc Am
November 2024
Institute of Biomedical Engineering, Department of Engineering Science, University of Oxford, Oxford, United Kingdom.
Both the biological effects and acoustic emissions generated by cavitation are functions of bubble dynamics. Monitoring of acoustic emissions is therefore desirable to improve treatment safety and efficacy. The relationship between the emission spectra and bubble dynamics is, however, complex.
View Article and Find Full Text PDFOverview of Therapeutic Ultrasound Applications and Safety Considerations: 2024 Update.
J Ultrasound Med
November 2024
Center for Devices and Radiological Health, U.S. Food and Drug Administration, Silver Spring, Maryland, USA.
A 2012 review of therapeutic ultrasound was published to educate researchers and physicians on potential applications and concerns for unintended bioeffects (doi: 10.7863/jum.2012.
View Article and Find Full Text PDFDirect determination of silicon overestimates the accumulation and translocation of SiO nanoparticles in rice seedlings.
Environ Pollut
December 2024
State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, 210023, Jiangsu Province, China. Electronic address:
Silica nanoparticles (SiO NPs) have numerous applications in agriculture, but may also pose significant risks to plants. Nevertheless, their bioaccumulation, an important determinant of their risks, was often not accurately measured due to the lack of reliable methods. In this study, the accumulation in rice seedlings of SiO NPs of different sizes without and with a gold nanoparticle core (Au@SiO NPs) was examined.
View Article and Find Full Text PDFResistant Starch Nanoparticles Induce Colitis through Lysosomal Exocytosis in Mice.
ACS Nano
November 2024
Department of Food Science and Engineering, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China.
Resistant starch (RS) is present in various natural and processed foods as well as medications. It has garnered significant attention from both scientists and consumers due to its notable health benefits. However, there is a limited understanding of how RS particles are absorbed at the cellular level and their metabolic behavior, resulting in a lack of clarity regarding the intestinal safety implications of prolonged RS exposure.
View Article and Find Full Text PDFMagnetic resonance cavitation imaging for the monitoring of ultrasound therapies.
Phys Med Biol
October 2024
Université de Strasbourg, CNRS, INSERM, ICube, UMR7357, Strasbourg, France.
Focused ultrasound (FUS) is a promising non-invasive therapeutic approach that can be used to generate thermal and non-thermal bioeffects. Several non-thermal FUS therapies rely on FUS-induced oscillations of microbubbles (MBs), a phenomenon referred to as cavitation. Cavitation monitoring in real time is essential to ensure both the efficacy and the safety of FUS therapies.
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