Japanese scientists from Tokyo Metropolitan University have developed nanostructured surfaces that have strong antibacterial properties but do not interfere with the growth of healthy cells. The research was published in the scientific journal magazine Langmuir.
Experts used anodic porous aluminum oxide made using electrochemistry in concentrated sulfuric acid.
When polished aluminum surfaces are immersed in an electrochemical cell under certain conditions, they are covered with an ordered array of porous columns of aluminum oxide. These needle-like columns destroy bacteria on contact, damaging their cell membranes.
The researchers also found that conventional cell cultures grew intact on porous alumina plates.
The discovery could have applications in regenerative medicine, where cells are cultured in the laboratory before being administered to patients. If these tissues become infected with bacteria, this can have serious consequences for the patient’s health.
Previous scientists was created Coating that eliminates 99.99% of bacteria from surface needles.
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Source: Gazeta
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