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Tiny sensors provide a quick test for MRSA

By | March 29, 2012, 9:37 AM PDT

MRSA is one particularly nasty staph infection. The bacteria enters your body through a cut or a sore. Then there’s pus, there’s pain, there’s fever, and there’s little relief from antibiotics.

If you wise up to your MRSA infection early on, you can sometimes get rid of it just by draining the skin infection (yes, still gross). But once MRSA advances, you’ll likely have to spend some time in the hospital dealing with intravenous drugs, kidney dialysis, and an oxygen tank.

Scottish researchers have a developed a small strip of electronic sensors that detect MRSA.

In conventional tests, doctors take a swab from your infected wound, then process the swab in a laboratory to check for MRSA bacteria. This can take a full day to complete.

The new electronic sensor strip could lead to immediate at-home MRSA testing. The researchers hope that by making MRSA testing easier, patients will be more likely to test for it earlier on, when the bacteria is easier to treat.

Researchers originally developed the sensor test on foot ulcers of diabetic patients. MRSA is more likely to necesitate amputation in people with diabetes. An at-home test for the bacteria could provide diabetes patients with a valuable tool to prevent the need for such life-altering surgery.

Photo: Eric E. Castro/Flickr

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Audrey Quinn

About Audrey Quinn

Audrey Quinn is a contributing editor for SmartPlanet.

Audrey Quinn

Audrey Quinn
Contributing Editor

Audrey Quinn is a multimedia science journalist based in Brooklyn, New York. She has corresponded for PRI's The World, Radiolab, Deutsche Welle's Living Planet, and a number of NPR affiliate stations. She also produces and hosts a podcast for the Mind Science Foundation. Previously, she performed neuroscience research at the University of Washington Autism Center and the Seattle VA Hospital.

Follow her on Twitter.

Audrey Quinn

Audrey Quinn

Audrey does not have financial holdings that would influence how or what she covers.

She writes for SmartPlanet and is not an employee of CBS.

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