Results 51 to 60 of about 113,267 (368)

Feasibility of Multiple Micro-Particle Trapping—A Simulation Study

open access: yesSensors, 2015
Both optical tweezers and acoustic tweezers have been demonstrated for trapping small particles in diverse biomedical applications. Compared to the optical tweezers, acoustic tweezers have deeper penetration, lower intensity, and are more useful in light
Yanyan Yu   +3 more
doaj   +1 more source

Plasmonic Tweezers towards Biomolecular and Biomedical Applications

open access: yesApplied Sciences, 2019
With the capability of confining light into subwavelength scale, plasmonic tweezers have been used to trap and manipulate nanoscale particles. It has huge potential to be utilized in biomolecular research and practical biomedical applications.
Xue Han, Changsen Sun
doaj   +1 more source

Optical Tweezers Approaches for Probing Multiscale Protein Mechanics and Assembly

open access: yesFrontiers in Molecular Biosciences, 2020
Multi-step assembly of individual protein building blocks is key to the formation of essential higher-order structures inside and outside of cells. Optical tweezers is a technique well suited to investigate the mechanics and dynamics of these structures ...
Kathrin Lehmann   +7 more
doaj   +1 more source

3D dynamic motion of a dielectric micro-sphere within optical tweezers

open access: yesOpto-Electronic Advances, 2021
Known as laser trapping, optical tweezers, with nanometer accuracy and pico-newton precision, plays a pivotal role in single bio-molecule measurements and controllable motions of micro-machines.
Jing Liu   +3 more
doaj   +1 more source

Dynamic stereo microscopy for studying particle sedimentation [PDF]

open access: yes, 2014
We demonstrate a new method for measuring the sedimentation of a single colloidal bead by using a combination of optical tweezers and a stereo microscope based on a spatial light modulator.
Ashkin   +25 more
core   +1 more source

Alkaline-Earth Atoms in Optical Tweezers [PDF]

open access: yesPhysical Review X, 2018
We demonstrate single-shot imaging and narrow-line cooling of individual alkaline earth atoms in optical tweezers; specifically, strontium-88 atoms trapped in $515.2~\text{nm}$ light.
Alexandre Cooper   +5 more
semanticscholar   +1 more source

Self-Navigated 3D Acoustic Tweezers in Complex Media Based on Time Reversal

open access: yesResearch, 2021
Acoustic tweezers have great application prospects because they allow noncontact and noninvasive manipulation of microparticles in a wide range of media.
Ye Yang   +13 more
semanticscholar   +1 more source

Coaxial Atomic Force Microscope Tweezers [PDF]

open access: yes, 2010
We demonstrate coaxial atomic force microscope (AFM) tweezers that can trap and place small objects using dielectrophoresis (DEP). An attractive force is generated at the tip of a coaxial AFM probe by applying a radio frequency voltage between the center
Aguilar, J. A.   +2 more
core   +2 more sources

Acoustohydrodynamic tweezers via spatial arrangement of streaming vortices

open access: yesScience Advances, 2021
Decomposition and control of acoustic streaming enable contact-free manipulation of bioanalytes and digitalized liquid handling. Acoustics-based tweezers provide a unique toolset for contactless, label-free, and precise manipulation of bioparticles and ...
Haodong Zhu   +14 more
semanticscholar   +1 more source

Acoustoelectronic nanotweezers enable dynamic and large-scale control of nanomaterials

open access: yesNature Communications, 2021
Precise and dynamic manipulation of nano-objects on a large scale has been challenging. Here, the authors introduce acoustoelectronic nanotweezers, combining precision of electronic tweezers with large-field dynamic control of acoustic tweezers ...
Peiran Zhang   +10 more
doaj   +1 more source

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