The device, called the D3 (digital diffraction diagnosis) system, features an imaging module with a battery-powered LED light clipped onto a standard smartphone that records high-resolution imaging data with its camera.

A pilot test of the system with cancer cell lines detected the presence of tumour proteins with an accuracy matching that of the current gold standard for molecular profiling, and the larger field of view enabled simultaneous analysis of more than 100,000 cells at a time.

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