Keio University

Get Diamonds, Take TemperatureQuantum Thermometer Using Nanodiamonds Senses a ‘Fever’ in Tiny Worms C. elegans

Publish: September 14, 2020
Public Relations Office

September 14, 2020

Osaka City University

Keio University

Kyoto University

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Measuring the temperature of objects at a nanometer-scale has been a long challenge, especially in living biological samples, because of the lack of precise and reliable nanothermometers. An international team of researchers has realized a quantum technology to probe temperature on a nanometer-scale, and have observed a ‘fever’ in tiny nematode worms under pharmacological treatment. This strengthens the connection between quantum sensing and biology and ushers in novel thermal imaging technologies in biomedical research.

A team from Osaka City University, in collaboration with other international partners, has demonstrated a reliable and precise microscope-based thermometer that works in live, microscopic animals based on quantum technology, specifically, detecting temperature-dependent properties of quantum spins in fluorescent nanodiamonds.

The research is published in Science Advances.

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