New Copper Surface Kills Bacteria in Just Two Minutes

A team of nanotechnologists from the Royal Melbourne Institute of Technology, Australia, has developed a copper surface able to kill bacteria on it within two minutes, which is 120 times faster than normal copper.New Copper Surface Kills Bacteria in Just Two Minutes

Aiming to create an extremely porous surface, the team produced an alloy of copper and manganese atoms. That left behind a maze-like copper surface full of very small holes for the bacteria to get trapped inside, which makes it harder for bacteria cells to form in the first place.

Materials engineer Ma Qian, one of the developers, says: “A standard copper surface will kill about 97% of golden staph within four hours. Incredibly, when we placed golden staph bacteria on our specially designed surface, it destroyed more than 99.99 percent of the cells in just 2 minutes. Our copper structure has shown itself to be remarkably potent for such a common material.”

Cinnamon Could Help in Treating Resistant Bacterial Infections

A team of scientists from the Swinburne University of Technology in Australia finds that cinnamon may help in treating resistant bacterial infections breaking up their biofilms — sticky layers that are usually responsible for persistent infections that cannot be broken by antibiotics.cinnamon could help in treating resistant bacterial infections

For experiments, the scientists used Pseudomonas aeroginosa, a bacterium commonly responsible for infections in people with weakened immune systems including patients with cancer, diabetes, or cystic fibrosis.

The lead researcher of the study Dr. Sanjida Topa says: “These findings definitely contribute to the search for novel antimicrobials. […] Fabrication of cinnamaldehyde for surface treatments, for example [to treat] skin infections, could be the first direct application.”

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