Electrochemical generation of surface enhanced Raman scattering substrates for the determination of folic acid

Plasmonic substrates for surface enhanced Raman scattering.

As an advanced analytical tool, surface-enhanced Raman scattering (SERS) has broad applications in identification of colorants in paints and glazes, hazard detection to ensure food safety, biomedicine and diagnosis, environmental monitoring, detection of explosives and forensic science. In this review, main types of plasmonic substrates, which include solid substrate with metallic nanostructure...

Detection of Molecular Vibrations of Ciprofloxacin Using Flexible Plasmonic Active Substrates as Surface-Enhanced Raman Scattering (SERS) Biosensors

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Gold nanorings as substrates for surface-enhanced Raman scattering.

Surface-enhanced Raman scattering using gold nanoring substrates is studied. The measured enhancement factors of arrays of single nanorings and nanoring dimers are compared with that of an array of nanodisk dimers. The measured average enhancement factor for the single nanorings is 4.2 x 10(6). The experimental enhancement factors are compared with the electromagnetic enhancement factors predic...

Macroscale Plasmonic Substrates for Highly Sensitive Surface-Enhanced Raman Scattering**

Reusable three-dimensional nanostructured substrates for surface-enhanced Raman scattering

To date, fabricating three-dimensional (3D) nanostructured substrate with small nanogap was a laborious challenge by conventional fabrication techniques. In this article, we address a simple, low-cost, large-area, and spatially controllable method to fabricate 3D nanostructures, involving hemisphere, hemiellipsoid, and pyramidal pits based on nanosphere lithography (NSL). These 3D nanostructure...