Optical Trapping of a Single Virus in a Host Cell Based on Active-Passive Calibration for Trap Stiffness.
Sign Up to like & getrecommendations! Published in 2025 at "ACS nano"
DOI: 10.1021/acsnano.5c04890
Abstract: Optical tweezers are considered a tool for trapping and measuring forces on single molecules and small particles. Current research mainly focuses on measuring force spectral information on particles suspended in solution. However, the viscoelastic environment… read more here.
Keywords: passive calibration; cell; trap stiffness; trap ... See more keywords
Trap stiffness modification of an optically trapped microsphere through directed motion of nanoparticles.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.389500
Abstract: We report an enhancement in the corner frequency of an optically trapped non-magnetic microsphere in the plane perpendicular to the laser propagation direction on addition of ferrofluid to the suspension medium. We conjecture that a… read more here.
Keywords: corner frequency; directed motion; trap stiffness; motion nanoparticles ... See more keywords