“Plasma Jet” technique has the potential to control hospital superbugs

· TGI - Pathogens

Currently antibiotics and disinfectants are used to target bugs in hospitals like Pseudomonas aeruginosaC. difficileand MRSA. Effective in killing individual bacteria, they are often ineffective against complex organised communities of bacteria.

Professor Bill Graham, from the Centre for Plasma Physics at Queen’s, said: “When bacteria congregate on surfaces they produce a kind of glue which joins them together in complex communities, known as biofilms. Instead of individual bacteria, they form a resistant film or layer and bind themselves together. This often makes it impossible for antibiotics to penetrate through and kill the bacteria deep within this protective layer. Bacteria growing like this, as is often seen with superbugs in hospitals, are often more than 1,000 times more tolerant to antimicrobial agents like antibiotics and disinfectants compared to free-floating bacteria.

To this end they  have developed a new technique – called Plasma Jet – which has the potential to kill off hospital superbugs like Pseudomonas aeruginosa, C. difficile, and MRSA. The new technique creates a number of agents which rapidly kill bacteria, even within mature biofilms. Not only does it attack the bacteria but this synergistic approach attacks the biofilm structure killing the bacteria deep within.

Read more at:


Eradication of Pseudomonas aeruginosa Biofilms by Atmospheric Pressure Non-Thermal Plasma

Queen’s University Belfast




1 Comment

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  1. Alan Schmukler

    People have been using simple ozone generators for years to accomplish the same thing. Misting of essential oils is another method. Amazing the way moder medicine is 100 years behind and always finds super high tech solutions, where simpler and cheaper ones would work as well.


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