A new leap in nanotechnology.
Scott Harroun, one of the researchers who built the tiny antenna said in the press release that DNA chemistry is actually simple and easy to program. DNA functions pretty much like LEGO blocks and can be put together in different lengths to optimize a new function. The research team added a fluorescent molecule at one end to make an antenna that was five nanometers long .
Like radio antennae that can communicate in both directions, this antenna can perform two-way communications, except that it. The researchers deployed the nanoantenna to sense the movement of a protein by sending it a light signal. Depending on the way the protein molecule moved, the antenna responded back with a light signal of a different color. Interestingly, the response signal can be captured with a spectrofluorometer, a device commonly found in laboratories around the world.
Harroun added that the team used the antenna to study the enzyme alkaline phosphatase, a protein implicated in many diseases including cancers in real-time. The team could apply their technology to study its interaction with other biological molecules as well as drugs.
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