Metal Nano/Microparticles for Bioapplications 2.0

Dear Colleagues,

Nano/micro particles are considered to be the most valuable and important functional materials in the field of material science. As a field, metal nanoparticles (NPs) is one of the most actively studied in nano/microtechnology, with carbon materials, magnetic materials, and quantum dots. The ability of metal nanoparticles to interact effectively with electromagnetic radiation makes them suitable for many biomedical applications, including diagnosis, treatment, and evaluation of disease. The interaction with electromagnetic radiation causes a unique optical phenomenon, called surface plasmon resonance (SPR), usually in the ultra-violet (UV), visible, and near-infrared (NIR) spectrum range. The SPR frequency is sensitive to subtle changes in physico-chemical conditions, such as distance between nanoparticles and particle size and shape.

Biomedical applications generally use gold nanoparticles and silver nanoparticles, which exhibit superior plasmonic properties. These nanoparticles are widely used because their size and shape can be controlled easily during fabrication. The surface chemistry and modification of Au and Ag NPs are well known, enabling them to be used as sensors based on their SPR band changes.

As well as colorimetric sensing, the intensive absorption and scattering of light due to SPR can be coupled to applications of the metal nanoparticles: surface-enhanced fluorescence (SEF) and surface-enhanced Raman scattering (SERS).

This new Special Issue aims to provide a range of original contributions detailing the synthesis, modification, and properties for bio-applications of metal nano/micro materials, particularly in nanomedicine.

Prof. Dr. Bong-Hyun Jun
Prof. Dr. Won Yeop Rho
Guest Editors

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