29 Apr '16, 8pm

DNA Creates Tiniest Thermometer Yet

DNA Creates Tiniest Thermometer Yet

Taking measurements of nanoscale objects is no easy task. Last month, researchers at IBM Zurich reported a breakthrough that leveraged an atomic force microscope (AFM) to measure the temperature of an object at the nanoscale . For the IBM researchers, the advance came when they stopped trying to make a nanoscale thermometer and instead focused on a macroscale thermometer for the nanoscale. Now, researchers at the University of Montreal have turned that back around and produced the smallest thermometer yet . They had a skilled accomplice in accomplishing this feat: nature. The Canadian researchers have built a thermometer out of DNA that takes advantage of the molecule’s tendency to unfold in response to heat. “In recent years, biochemists also discovered that biomolecules such as proteins or RNA (a molecule similar to DNA) are employed as nanothermometers in living organis...

Full article: http://spectrum.ieee.org/nanoclast/semiconductors/nanotec...

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