Review of ultra-fine bubble (nanobubble) applications and characterization examples
The generation, measurement, and applied technologies of so-called nanobubbles or ultra-fine bubbles, with diameter ranging from tens to hundreds of nanometers, are evolving dramatically in recent years. The unique properties of nanobubbles makes them attractive for a number of applications. The Nanoparticle Tracking Analysis (NTA) technique is particularly adept at the detection and analysis (size, size distribution, number concentration) of these relatively low concentration structures of extremely small size (compared to ‘conventional’ bubbles). NTA offers a unique capability to characterize nanobubbles by directly visualizing nanoscale particles in suspension (10nm to 2000nm) with high-resolution, in real-time, and with minimal sample preparation.
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