optical tweezers


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optical tweezers

pl.n. (used with a sing. or pl. verb)
A technique that uses a single-beam laser directed through an objective lens to trap, image, and manipulate micron-sized particles in three dimensions.
References in periodicals archive ?
We will combine advanced optical tweezers technology with cutting-edge molecular biology tools to rigorously test new intracellular transport concepts such as the active, Diffusion-like forces that can position organelles or the recently introduced cortical actin flows that can drag polarity-defining proteins around the cell.
Using the optical tweezers, scientists can measure the force required to break up intermolecular bonds among the signaling molecules inside the body, allowing them gauge the effects of gene mutations in patients.
After individual intact pt-division machineries were stretched to four times their original lengths with optical tweezers, they spontaneously returned to their original sizes.
JPK Instruments' OT-AFM Combi-System combines atomic force microscopy and optical tweezers in a single inverted light microscope platform.
Early this year, Gordon and his colleagues published a paper in Nanoscale introducing how they used these optical tweezers to assess the vibrational modes of DNA fragments.
February 10, 2015--Using optical tweezers to squeeze a tiny bead attached to the outside of a human stem cell, researchers here showed that mechanical forces can trigger a key signaling pathway in the cells.
The physicists describe their research in the journal "Physical Review X:" With two optical tweezers they grabbed a single Caesium atom and pulled it in two opposing directions.
They survey applications in photonics and nanophotonics, nano-optics and quantum physics, optical metamaterials, the simulated trapping microspheres and nanowires with optical tweezers, photodetecting enhanced light absorption, and nanomedicine.
For several years optical tweezers - incredibly tiny laser beams capable of moving molecules - have been used by scientists in order to study DNA.
The UK is a significant player in photon ics, with expertise in areas such as optical fibres, lasers and optical tweezers.
Ultrasound offers a more affordable alternative to optical tweezers or lasers to produce this effect, because it requires less power density, according to Tony Jun Huang, associate professor of bioengineering.
Advances in single-molecule atomic force microscopy (AFM) and optical tweezers techniques have made possible the examination of the response of proteins to mechanical forces (2-4).
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