Optical tweezers and associated manipulation tools in the far field have had a major impact
on scientific and engineering research by offering precise manipulation of small objects …

The ability of metallic nanostructures to confine light at the sub-wavelength scale enables
new perspectives and opportunities in the field of nanotechnology. Making use of this …

Ferritin is a protein that stores and releases iron to prevent diseases associated with iron
dysregulation in plants, animals, and bacteria. The conversion between iron-loaded holo …

Plasmonic nanocavities have proved to confine electromagnetic fields into deep
subwavelength volumes, implying their potentials for enhanced optical trapping and sensing …

This Perspective describes recent progress in optical trappings of nanoparticles based on
localized surface plasmon. This plasmonic optical trapping has great advantages over the …

We measure the dynamics of 20 nm polystyrene particles in a double nanohole trap to
determine the trap stiffness for various laser powers. Both the autocorrelation analysis of …

Single-molecule surface-enhanced Raman scattering (SM-SERS) is one of the vital
applications of plasmonic nanoparticles. The SM-SERS sensitivity critically depends on …

Optical tweezers use the momentum carried by light to exert forces on objects. They have
had a profound impact on a truly diverse range of scientific fields, from biology to …

Colloidal quantum dots, viruses, DNA and all other nanoparticles have acoustic vibrations
that can act as 'fingerprints' to identify their shape, size and mechanical properties, yet high …

Nanoaperture optical tweezers are emerging as useful label-free, free-solution tools for the
detection and identification of biological molecules and their interactions at the single …