Lasers are the pillars of modern optics and sensing. Microlasers based on whispering-
gallery modes (WGMs) are miniature in size and have excellent lasing characteristics …

Recent advances of plasmonic nanoparticles include fascinating developments in the fields
of energy, catalyst chemistry, optics, biotechnology, and medicine. The plasmonic …

Laser synthesis emerges as a suitable technique to produce ligand-free nanoparticles,
alloys and functionalized nanomaterials for catalysis, imaging, biomedicine, energy and …

Plasmonic biosensing has been used for fast, real-time, and label-free probing of
biologically relevant analytes, where the main challenges are to detect small molecules at …

Room-temperature detection of molecular vibrations in the mid-infrared (MIR, λ= 3–30 µm)
has numerous applications, including real-time gas sensing, medical imaging and quantum …

Molecular junctions are building blocks for constructing future nanoelectronic devices that
enable the investigation of a broad range of electronic transport properties within nanoscale …

The recent pandemic of the novel coronavirus disease 2019 (COVID‐19) has caused huge
worldwide disruption due to the lack of available testing locations and equipment. The use of …

This Perspective focuses on the latest strategies and challenges for the development of
bioanalytical sensors with sub-picomolar detection limits. Achieving sub-picomolar detection …

In the past 20 years, we have reached a broad understanding of many light-driven
phenomena in nanoscale systems. The temporal dynamics of the excited states are instead …

Label-free characterization of single biomolecules aims to complement fluorescence
microscopy in situations where labeling compromises data interpretation, is technically …