Plasmon nano-optical tweezers

ML Juan, M Righini, R Quidant - Nature photonics, 2011 - nature.com
Conventional optical tweezers, formed at the diffraction-limited focus of a laser beam, have
become a powerful and flexible tool for manipulating micrometre-sized objects. Extending …

Optical trap** and binding

RW Bowman, MJ Padgett - Reports on Progress in Physics, 2013 - iopscience.iop.org
The phenomenon of light's momentum was first observed in the laboratory at the beginning
of the twentieth century, and its potential for manipulating microscopic particles was …

Irreversibility, heat and information flows induced by non-reciprocal interactions

SAM Loos, SHL Klapp - New Journal of Physics, 2020 - iopscience.iop.org
We study the thermodynamic properties induced by non-reciprocal interactions between
stochastic degrees of freedom in time-and space-continuous systems. We show that, under …

Indirect optical trap** using light driven micro-rotors for reconfigurable hydrodynamic manipulation

UG Būtaitė, GM Gibson, YLD Ho, M Taverne… - Nature …, 2019 - nature.com
Optical tweezers are a highly versatile tool for exploration of the mesoscopic world,
permitting non-contact manipulation of nanoscale objects. However, direct illumination with …

Automatic transportation of biological cells with a robot-tweezer manipulation system

S Hu, D Sun - The International Journal of Robotics …, 2011 - journals.sagepub.com
The positioning of biological cells has become increasingly important in biomedical
research such as drug discovery, cell-to-cell interaction, and tissue engineering. Significant …

Label-free free-solution nanoaperture optical tweezers for single molecule protein studies

AA Al Balushi, A Kotnala, S Wheaton, RM Gelfand… - Analyst, 2015 - pubs.rsc.org
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 …

A hydro-thermophoretic trap for microparticles near a gold-coated substrate

G Nalupurackal, M Gunaseelan, S Roy, M Lokesh… - Soft matter, 2022 - pubs.rsc.org
Optical tweezers have revolutionised micromanipulation from physics and biology to
material science. However, the high laser power involved in optical trap** can damage …

Nanoscale virtual potentials using optical tweezers

A Kumar, J Bechhoefer - Applied Physics Letters, 2018 - pubs.aip.org
We combine optical tweezers with feedback to impose arbitrary potentials on a colloidal
particle. The feedback trap detects a particle's position, calculates a force based on an …

Ultra-stable biomembrane force probe for accurately determining slow dissociation kinetics of PD-1 blockade antibodies on single living cells

C An, W Hu, J Gao, BF Ju, P Obeidy, YC Zhao, X Tu… - Nano Letters, 2020 - ACS Publications
Immune checkpoint blockade with monoclonal antibodies (mAbs) that target programmed
cell death protein-1 (PD-1) has remarkably revolutionized cancer therapy. Their binding …

Observer-based optical manipulation of biological cells with robotic tweezers

CC Cheah, X Li, X Yan, D Sun - IEEE Transactions on Robotics, 2013 - ieeexplore.ieee.org
While several automatic manipulation techniques have recently been developed for optical
tweezer systems, the measurement of the velocity of cell is required and the interaction …