Bacteria that trigger tooth decay could possibly be blasted away by microscopic “bombs” detonated with an ultrasonic toothbrush.
Ultrasound could cause some liquids, equivalent to perfluorohexane (PFH), to quickly broaden and switch to fuel. Some researchers have explored utilizing tiny degradable capsules containing these liquids to ship medicine contained in the physique or to blast away cancerous tumours.
Now, Xian-Zheng Zhang at Wuhan University in China and his colleagues have developed PFH-containing capsules designed to destroy biofilms – aggregations of microbes …
Source: www.newscientist.com