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Nanobubbles: a bridge connecting nanomedicine and gas medicine.
Med Gas Res
June 2025
Shandong Cancer Hospital and Institute, Shandong First Medical University and Shandong Academy of Medical Sciences, Jinan, Shandong Province, China (Inam M, Sun X).
Unravelling the dynamics of coated nanobubbles and low frequency ultrasound using the Blake threshold and modified surface tension model.
Phys Med Biol
February 2025
Department of Biomedical Engineering, Tel Aviv University, Tel Aviv 6997801, Israel.
To develop a model that accurately describes the behavior of nanobubbles (NBs) under low-frequency ultrasound (US) insonation (<250 kHz), addressing the limitations of existing numerical models, such as the Marmottant model and Blake's Threshold model, in predicting NB behavior.A modified surface tension model, derived from empirical data, was introduced to capture the surface tension behavior of NBs as a function of bubble radius. This model was integrated into the Marmottant framework and combined with the Blake threshold to predict cavitation thresholds at low pressures, providing a comprehensive approach to understanding NB dynamics.
View Article and Find Full Text PDFNanobubbles improve peroxymonosulfate-based advanced oxidation: High efficiency, low toxicity/cost, and novel collaborative mechanism.
J Hazard Mater
July 2024
Shanghai Key Laboratory of Bio-Energy Crops, School of Life Sciences, Shanghai University, Shanghai 200444, China.
Cl activated peroxymonosulfate (PMS) oxidation technology can effectively degrade pollutants, but the generation of chlorinated disinfection byproducts (DBPs) limits the application of this technology in water treatment. In this study, a method of nanobubbles (NBs) synergistic Cl/PMS system was designed to try to improve this technology. The results showed the synergistic effects of NBs/Cl/PMS were significant and universal while its upgrade rate was from 12.
View Article and Find Full Text PDFAdvancing nanobubble technology for carbon-neutral water treatment and enhanced environmental sustainability.
Environ Res
July 2024
Graduate Institute of Environmental Engineering, National Taiwan University, 71 Chuo-Shan Rd., Taipei, 10673, Taiwan; Water Innovation, Low Carbon and Environmental Sustainability Research Center, National Taiwan University, Taipei, 10617, Taiwan; Science and Technology Research Institute for DE-Carbonization (STRIDE-C), National Taiwan University, Taipei, 10617, Taiwan. Electronic address:
Gaseous nanobubbles (NBs) with dimensions ranging from 1 to 1000 nm in the liquid phase have garnered significant interest due to their unique physicochemical characteristics, including specific surface area, low internal gas pressure, long-term stability, efficient mass transfer, interface potential, and free radical production. These remarkable properties have sparked considerable attention in the scientific community and industries alike. These hold immense promise for environmental applications, especially for carbon-neutral water remediation.
View Article and Find Full Text PDFModes of Nanodroplet Formation and Growth on an Ultrathin Water Film.
J Phys Chem B
April 2024
Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, National Biomedical Imaging Center, Key Laboratory of Polymer Chemistry & Physics, Peking University, Beijing 100871, P. R. China.
Using nanobubbles as geometrical confinements, we create a thin water film (∼10 nm) in a graphene liquid cell and investigate the evolution of its instability at the nanoscale under transmission electron microscopy. The breakdown of the water films, resulting in the subsequent formation and growth of nanodroplets, is visualized and generalized into different modes. We identified distinct droplet formation and growth modes by analyzing the dynamic processes involving 61 droplets and 110 liquid bridges within 31 Graphene Liquid Cells (GLCs).
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