Handheld spectral analyzer turns smartphone into diagnostic tool - Costing only $550, the spectral transmission-reflectance-intensity (TRI)-Analyzer attaches to a smartphone and analyzes patient blood, urine, or saliva samples as reliably as clinic-based instruments that cost thousands of dollars.

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Handheld spectral analyzer turns smartphone into diagnostic tool - Costing only $550, the spectral transmission-reflectance-intensity (TRI)-Analyzer attaches to a smartphone and analyzes patient blood, urine, or saliva samples as reliably as clinic-based instruments that cost thousands of dollars.