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单词 optical tweezers
释义
optical tweezers

Physics
  • A device that is used to manipulated particles such as atoms or molecules. It works by pushing the particles about by radiation pressure associated with a laser. Since optical tweezers can be used to manipulate strands of DNA they may have important applications in biotechnology.


Chemistry
  • A device that is used to exert a force on microscopic bodies and hence to hold, move, and manipulate these bodies. Optical tweezers have been used to study molecules of biological interest since the 1980s.


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