Testing antibiotic efficacy in just one hour

MIT used Leti’s suspended micro-resonators to develop a new microchip for fast drug testing. The chip measures cell culture growth by weighing the culture with accuracy to within a femtogram. The measurement provides an indication of the culture’s response to a drug such as an antibiotic. The results of the research were published in Nature Biotechnology.

The test takes just one hour; traditional techniques take an entire day. And, over longer timespans, the microchip can also be used to assess the efficacy of anti-cancer drugs.

Leti took advantage of this new project with MIT to make further improvements to process yields; the institute recently delivered another 800 of the micro-resonators to MIT. The technology is now robust enough for industrial scale-up.

Contact: vincent.agache@cea.fr

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