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.

optical tweezers

A laser device used to alter or manipulate microorganisms, molecules, or living cells.
See also: optical
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References in periodicals archive ?
We will use the start-of-the-art optical tweezers technology to zoom into one single AR protein and to directly track the changes.' Since 2009, Mashaghi has been involved in developing the technology.
While Optical Tweezers and Chirped Pulse Amplification both have incredible potential in biological applications, you probably do not realize how frequently lasers are used in daily life.
The hairs stand up on the back of your neck," said David Grier of New York University, who uses optical tweezers in his research.
Anvari, "Optical tweezers study of viscoelastic properties in the outer hair cell plasma membrane," Proceedings of SPIE, vol.
Ritsch-Marte, "Holographic optical tweezers for object manipulations at an air-liquid surface," Optics Express, vol.
The optical tweezers set-up was used to analyze the rotational dynamics of various categories of sperm cells.
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).
The gradient of the light field has been used to generate optical force to trap micrometer-sized particles, a configuration known as "optical tweezers" [1].
Among the topics are a single-molecule barcoding system using nanoslits for DNA analysis called nanocoding, inserting and manipulating DNA in a nanopore with optical tweezers, analyzing biomolecules using surface plasmons, small-angle scattering and neutron contrast variation for studying biomolecular complexes, imaging quantum dots in vivo, the monitoring and affinity purification of proteins using dual tags with tetracysteine motifs, magnetic nanoparticles for local drug delivery using magnetic implants, and custom-designed molecular scissors for site-specific manipulation of the plant and mammalian genomes.
Lpi is responsible for the company's third technology, optical tweezers. "After asking potential users about their requirements, we saw this as a field with tremendous potential," Mr.
OPTICAL TWEEZERS: CONSTRUCTION OF A SINGLE-BEAM OPTICAL TRAP FOR MANIPULATING MICRON-SIZED OBJECTS.

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