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5 March 2021 Real-time nanodiamond thermometry probing in vivo thermogenic responses
Masazumi Fujiwara, Simo Sun, Alexander Dohms, Yushi Nishimura, Ken Suto, Yuka Takezawa, Keisuke Oshimi, Li Zhao, Nikola Sadzak, Yumi Umehara, Yoshio Teki, Naoki Komatsu, Oliver Benson, Yutaka Shikano, Eriko Kage-Nakadai
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Proceedings Volume 11700, Optical and Quantum Sensing and Precision Metrology; 117003E (2021) https://doi.org/10.1117/12.2582685
Event: SPIE OPTO, 2021, Online Only
Abstract
Real-time temperature monitoring inside living organisms provides a direct measure of their biological activities, such as homeostatic thermoregulation and energy metabolism. Here, using quantum nanothermometers based on optically accessible electron spins of nitrogen vacancy centers in nanodiamonds, we demonstrate in vivo real-time temperature monitoring inside nematode worms. We developed a thermometry system that can measure the temperatures of mobile nanodiamonds inside the worms with a precision of ± 0.22 oC. Using this system, we determined the increase in temperature based on the thermogenic responses of the worms during the chemical stimuli of mitochondrial uncouplers.
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Masazumi Fujiwara, Simo Sun, Alexander Dohms, Yushi Nishimura, Ken Suto, Yuka Takezawa, Keisuke Oshimi, Li Zhao, Nikola Sadzak, Yumi Umehara, Yoshio Teki, Naoki Komatsu, Oliver Benson, Yutaka Shikano, and Eriko Kage-Nakadai "Real-time nanodiamond thermometry probing in vivo thermogenic responses", Proc. SPIE 11700, Optical and Quantum Sensing and Precision Metrology, 117003E (5 March 2021); https://doi.org/10.1117/12.2582685
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KEYWORDS
In vivo imaging
Thermometry
Neodymium
Organisms
Temperature metrology
Image resolution
Mode conditioning cables
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