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 …

Plasmonic nanotweezers use intense electric field gradients to generate optical forces able
to trap nano-objects in liquids. However, part of the incident light is absorbed into the metal …

Nanoaperture optical tweezers extend the range of optical tweezers to dielectric particles
below 50 nm in size. This allows for optical trapping of proteins, DNA fragments and other …

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 …

Optical trapping with nanostructured metals has allowed for label-free tether-free analysis of
single proteins (and other biomolecules) and their interactions with detector-limited time …

Optical traps based on strongly confined electromagnetic fields at metal–dielectric interfaces
are far more efficient than conventional optical tweezers. Specifically, these near-field …

Featured Application Sizing and measurement of vibrational frequencies of viruses could be
useful for diagnostic purposes, as well as for targeted destruction via resonant excitation of …

The capabilities of manipulating and analyzing biological cells, bacteria, viruses,
deoxyribonucleic acids (DNAs), and proteins at high resolution are significant in …

Double-nanoholes fabricated by colloidal lithography were used for trapping single colloidal
particles and single proteins. A gap separation of 60 nm between the cusps of the double …