File:Femtomolar Optical Tweezers (5881942888).jpg

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Basic scheme of an optical tweezer-based sensor of biological particles. A microsphere covered with a specific antigen (such as a virus or other infectious agent) is trapped and pulled away from a surface containing the corresponding antibodies. The minimum amount of force applied to the tweezers to break the bonds can provide information on the concentration of antibodies on the surface.

Credit: NIST

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Date
Source Femtomolar Optical Tweezers
Author National Institute of Standards and Technology

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Public domain
This image is in the public domain in the United States because it is a work of the United States Federal Government, specifically an employee of the National Institute of Standards and Technology, under the terms of Title 17, Chapter 1, Section 105 of the US Code.

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This image was originally posted to Flickr by National Institute of Standards and Technology at https://flickr.com/photos/63059536@N06/5881942888. It was reviewed on 7 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work.

7 September 2016

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Date/TimeThumbnailDimensionsUserComment
current02:36, 7 September 2016Thumbnail for version as of 02:36, 7 September 20162,007 × 1,659 (757 KB)Vanished Account Byeznhpyxeuztibuo (talk | contribs)Transferred from Flickr via Flickr2Commons

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