Are the ultra-fine bubbles (UFB) generated by OHRABBLE still present in the water even when boiled?

On June 9, 2023, a paper titled "Evaluation of Sub-200nm Nanobubbles with Ultra-High Stability in Water" was published from South Korea, stating that nanobubbles (UFB) can maintain a concentration of 80% to 90% under all conditions. To verify the announcement, we conducted the following experiment on July 11, 2025. We boiled tap water and water generated from an aerator in a vacuum for 30 minutes. While most of the dissolved gases in the water escape into the atmosphere and are degassed, the UFB, which drifts in the water as small bubbles, was observed to remain in the water from the perspective of the ice state. For more details, please refer to the PDF file.
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