Results 341 to 350 of about 113,267 (368)
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Optoelectronic tweezers: a versatile toolbox for nano-/micro-manipulation.
Chemical Society Reviews, 2022The rapid development of micromanipulation technologies has opened exciting new opportunities for the actuation, selection and assembly of a variety of non-biological and biological nano/micro-objects for applications ranging from microfabrication, cell ...
Shuailong Zhang +9 more
semanticscholar +1 more source
Advances in Colloid and Interface Science, 2010
We describe the physics behind a peculiar feeding mechanism of a certain class of shorebirds, in which they transport their prey in droplets from their beak tips mouthwards. The subtle interplay between the drop and the beak's tweezering motion allows the birds to defy gravity through driving the drop upwards. This mechanism provides a novel example of
Bush, John W.M. +3 more
openaire +4 more sources
We describe the physics behind a peculiar feeding mechanism of a certain class of shorebirds, in which they transport their prey in droplets from their beak tips mouthwards. The subtle interplay between the drop and the beak's tweezering motion allows the birds to defy gravity through driving the drop upwards. This mechanism provides a novel example of
Bush, John W.M. +3 more
openaire +4 more sources
Nano Today, 2011
Electric tweezers utilize DC and AC electric fields through voltages applied on patterned electrodes to manipulate nanoentities suspended in a liquid. Nanowires with a large aspect ratio are particularly suitable for use in electric tweezers for patterning, assembling, and manipulation.
D L, Fan +3 more
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Electric tweezers utilize DC and AC electric fields through voltages applied on patterned electrodes to manipulate nanoentities suspended in a liquid. Nanowires with a large aspect ratio are particularly suitable for use in electric tweezers for patterning, assembling, and manipulation.
D L, Fan +3 more
openaire +2 more sources
Nature Photonics, 2011 The fact that light carries both linear and angular momentum is well-known to physicists. One application of the linear momentum of light is for optical tweezers, in which the refraction of a laser beam through a particle provides a reaction force that draws the particle towards the centre of the beam.
M. Padgett, R. Bowman
semanticscholar +2 more sources
Microrheology with optical tweezers
Lab on a Chip, 2009Microrheology is the study of the flow of materials over small scales. It is of particular interest to those involved with investigations of fluid properties within Lab-on-a-Chip structures or within other micron-scale environments. The article briefly reviews existing active and passive methods used in the study of fluids.
Yao, Alison +3 more
openaire +4 more sources
The Journal of the Acoustical Society of America, 1991
A stable force potential well was generated by two collimated focused ultrasonic (3.5 MHz) beams propagating along opposite directions. Latex particles (270-μm diameter) and clusters of frog eggs were trapped in the potential well. The trapped object can be moved axially or laterally by moving one of the PZT focusing transducers that generate the ...
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A stable force potential well was generated by two collimated focused ultrasonic (3.5 MHz) beams propagating along opposite directions. Latex particles (270-μm diameter) and clusters of frog eggs were trapped in the potential well. The trapped object can be moved axially or laterally by moving one of the PZT focusing transducers that generate the ...
openaire +2 more sources
Graphene‐Based Opto‐Thermoelectric Tweezers
Advances in Materials, 2021Since the discovery of graphene, its excellent physical properties have greatly improved the performance of optoelectronic devices and brought important technological advances to optical research and its applications.
Xianyou Wang +5 more
semanticscholar +1 more source
Analytical Chemistry, 2020
Raman spectroscopy is a non-destructive, label-free, highly-specific approach which provides the chemical information of materials. Thus, it is suitable to be used as an effective analytical tool to characterize biological samples.
Weilai Lu +4 more
semanticscholar +1 more source
Raman spectroscopy is a non-destructive, label-free, highly-specific approach which provides the chemical information of materials. Thus, it is suitable to be used as an effective analytical tool to characterize biological samples.
Weilai Lu +4 more
semanticscholar +1 more source
Are electron tweezers possible?
Ultramicroscopy, 2011Positively answering the question in the title, we demonstrate in this work single electron beam trapping and steering of 20-300nm solid Al nanoparticles generated inside opaque submicron-sized molten Al-Si eutectic alloy spheres. Imaging of solid nanoparticles and liquid alloy in real time was performed using energy filtering in an analytical ...
Vladimir P. Oleshko, James M. Howe
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Journal of Physics D: Applied Physics, 2019
Acoustic tweezers are gaining increasing attention as a noncontact method that is capable of handling microparticles and nanoparticles in a controllable manner.
Long Meng +5 more
semanticscholar +1 more source
Acoustic tweezers are gaining increasing attention as a noncontact method that is capable of handling microparticles and nanoparticles in a controllable manner.
Long Meng +5 more
semanticscholar +1 more source