When proteins, antibodies and other biological molecules kiss, a new kind of biosensor can tell

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The back-scattering interferometer uses a red-light laser identical to those used in grocery store scanners. Credit: Daniel Dubois
The back-scattering interferometer uses a red-light laser identical to those used in grocery store scanners. Credit: Daniel Dubois

When biological molecules kiss, a new kind of biosensor can tell. A new and deceptively simple technique has been developed by chemists at Vanderbilt University that can measure the interactions between free-floating, unlabeled biological molecules including proteins, sugars, antibodies, DNA and RNA.


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