Label-free Optical Nanobiosensors

Dear Colleagues,

Label-free optical biosensing benefits from the well-known advantages of the label-free paradigm, and those associated to optical transduction mechanisms. Typical label-free optical biosensors are based on optical interferometry, Raman spectroscopy and plasmon resonance. The incorporation of nanomaterials and nanostructures, with their enhanced properties, into optical biosensor architectures have opened new and promising paths for performance improvement, miniaturization and parallel and multiplexed detection. Potential application areas include healthcare (medical diagnostics), environmental monitoring, food and agriculture control, defense and security.

This Special Issue welcomes both reviews and original research articles on the field of label-free optical nanobiosensors. Topics include, but are not restricted to, plasmonic configurations, metamaterials and metasurfaces for optical biosensing, surface enhanced Raman spectroscopy (SERS) substrates, nanophotonic biosensors (e.g., ring and disk resonators and photonic crystals), and label-free optical platforms, such as lab-on-a-chip and optical fiber sensing, based on nanostructures. Bioreceptor immobilization procedures and integration of synthetic receptors, like molecularly imprinted polymers, into nanostructured optical transducers, as well as novel concepts and applications of this type of biosensors are also of interest. We invite and encourage your participation in this Special Issue.

Prof. Carlos Angulo Barrios
Guest Editor

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