Results 51 to 60 of about 118,744 (375)
Three dimensional acoustic tweezers with vortex streaming
, 2021 Acoustic tweezers use ultrasound for contact-free manipulation of particles from millimeter to sub-micrometer scale. Particle trapping is usually associated with either radiation forces or acoustic streaming fields. Acoustic tweezers based on single-beam
Junfei Li +6 more
semanticscholar +1 more source
Collecting single molecules with conventional optical tweezers [PDF]
, 2007 The size of particles which can be trapped in optical tweezers ranges from tens of nanometres to tens of micrometres. This size regime also includes large single molecules.
Halina Rubinsztein-Dunlop +6 more
core +2 more sources
Holographic Optical Tweezers: Techniques and Biomedical Applications
Applied Sciences, 2022 Holographic optical tweezers (HOT) is a programmable technique used for manipulation of microsized samples. In combination with computer-generation holography (CGH), a spatial light modulator reshapes the light distribution within the focal area of the ...
H. Chen, Chau-Jern Cheng
semanticscholar +1 more source
3D dynamic motion of a dielectric micro-sphere within optical tweezers
Opto-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
Acoustoelectronic nanotweezers enable dynamic and large-scale control of nanomaterials
Nature 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
Timing molecular motion and production with a synthetic transcriptional clock [PDF]
, 2011 The realization of artificial biochemical reaction networks with unique functionality is one of the main challenges for the development of synthetic biology. Due to the reduced number of components, biochemical circuits constructed in vitro promise to be
Atkinson +34 more
core +3 more sources
Optical tweezers: theory and practice
The European Physical Journal Plus, 2020 The possibility for the manipulation of many different samples using only the light from a laser beam opened the way to a variety of experiments. The technique, known as Optical Tweezers, is nowadays employed in a multitude of applications demonstrating ...
G. Pesce, P. Jones, O. Maragò, G. Volpe
semanticscholar +1 more source
Micromachines, 2021 Low-abundance biomolecule detection is very crucial in many biological and medical applications. In this paper, we present a novel electrolyte-gated graphene field-effect transistor (EGFET) biosensor consisting of acoustic tweezers to increase the ...
Yan Chen +4 more
doaj +1 more source
Computational toolbox for optical tweezers in geometrical optics
, 2014 Optical tweezers have found widespread application in many fields, from physics to biology. Here, we explain in detail how optical forces and torques can be described within the geometrical optics approximation and we show that this approximation ...
Callegari, Agnese +3 more
core +1 more source
Ultra-short bandwidth optical tweezer generation using GaAs ring resonator system
Results in Physics, 2019 In this article, the modified add/drop multiplexer system as ring resonator is proposed for optical tweezers generation. The entire effect is analyzed by the nonlinear existence of the proposed structure.
I.S. Amiri +3 more
doaj +1 more source