Washington: Scientists from Rovira i Virgili University (URV) in Tarragona have come up with a novel biosensor that can instantly detect Salmonella typhi, the bacteria that causes typhoid fever.
"The presence of the bacteria sparks a change in the interaction between the aptamers and the nanotubes, which takes place in a few seconds and creates an increase in the voltage of the electrode", said Ruis, who led the research along with researcher Jordi Riu. "This technique means small quantities of micro organisms can be detected simply and practically in real time, just the same as measuring the pH of water", Ruis added. The study appears in the scientific journal Angewandte Chemie International Edition. ANI
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