New bacterial identification tool

Researchers at INAC, Leti, and LTM recently developed a novel single-cell bacterial identification method that uses a SOI nanophotonic optical structure that concentrates light to produce a very intense electromagnetic field that can attract and trap a single bacterial cell. Fluctuations in the intensity of the light transmitted by the optical structure due to interactions between the bacteria and “trap” are analyzed to identify the bacteria.

The system, which is still in development, has already been used successfully to identify three types of bacteria in just a few seconds. If it is as successful with other bacteria, it could pave the way to new biological analysis solutions.

Contact: manon.tardif@cea.fr

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