Definition of optical tweezers in English:

optical tweezers

Syllabification: op·ti·cal tweez·ers

noun

A device that uses light from a low-wattage laser to manipulate individual molecules within cells. Also called laser tweezers.
More example sentences
  • Focused light beams called optical tweezers excel at trapping and moving micron-sized objects, but nanometer-scale particles generally slip through their grasp.
  • By combining optical tweezers with other laser beams, researchers can perform microsurgery on particles.
  • While others have also used optical tweezers to study the deformation of cells, the forces they've been able to apply are far less than those needed to induce the deformation that cells would experience in the body.

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