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The medical power of attraction
A magnetic field gradient generated across the channels separates the fungi-bound beads from the blood.
US scientists have made a microfluidic device that cleanses blood of toxic pathogens.
Sepsis is a lethal disease caused by a microbial infection that saturates the blood and overwhelms the body's defences. Commonly caused by the fungi Candida albicans, it kills over 200 000 people in the US each year. Antibiotics are the most effective treatment but sometimes they can't cope with the quickly-multiplying pathogens. Donald Ingber, at Children's Hospital Boston and Harvard Medical School, and colleagues say their device rapidly reduces the number of pathogens in the blood so the antibiotics have fewer pathogens to kill.
More: http://www.rsc.org/Publishing/ChemTech/Volume/2009/04/medical_power_attraction.asp
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