A new microfluidic device able to determine which types of bacteria can produce electricity could help pave the way bacteria-powered energy.
While scientists are aware that certain bacteria will generate electricity, identifying these bacteria can be a difficult process. To overcome this challenge, the team from MIT developed a microfluidic device able to test small samples of bacteria and gauge their polarizability in a safe and effective way. The test relies on microfluidic chips equipped with hourglass-shaped channels, which will squeeze an applied electrical field to create the dielectrophoresis phenomenon—sorting the bacteria according to their electrochemical activity.
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