FIELD: medicine.
SUBSTANCE: invention refers to optical sensors recording molecular groups and working in the visible frequency range. A renewable carrier for surface-enhanced Raman scattering detection consists of nanostructured SERS-carrier and a passive dielectric layer.
EFFECT: invention enables eliminating the temporary degradation of the working surface exposing on the atmosphere, increasing the useful life of the SERS-carrier for molecular group detection.
3 dwg
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