Oct 2026· Nature Communications· Vol 17· 0 citations· 3 references
Medicine
TL;DR
A new sensing strategy is reported, which reads signals from individual camera images without the need for a spectrometer, which enables the label-free detection of biomarkers in a handheld format.
Abstract
Portable biosensors are revolutionizing the way we diagnose disease and ill-health. By varying a metasurface’s geometry continuously across a chip, a recent study by H. Kim et al. reports a new sensing strategy, which reads signals from individual camera images without the need for a spectrometer. This enables the label-free detection of biomarkers in a handheld format.
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