I am a PhD student at Biological Physics with Jan Swenson as supervisor. I received my Masters degree in Chemical Engineering at Chalmers in 1996 and spent many years in different industrial companies before returning to Chalmers in 2016 for research. I study very small (< 1 micrometer) and long-lived gas bubbles in water, known as nanobubbles or ultrafine bubbles. In particular I am interested in how it is possible for ultrafine bubbles to become stable and remain for hours and even days in water. How to differentiate between particles and gas bubbles in solution is another important question. Methods I use to detect bubbles include Nanoparticle Tracking analysis (NTA), Dynamic Light Scattering (DLS) and Digital Holographic Microscopy (DHM). Nano- and microbubbles occur naturally in water in small concentrations and play a crucial role in cavitation and boiling. Artificially generated ultrafine bubbles can find use in ultrasonic imaging, flotation in water treatment and mining industry, aeration of water, disinfection, cleaning, and much more. This is a field of rapidly increasing industrial innovation activity.
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