Medicine and Health

Magnetometry of neurons using a superconducting qubit

H. Toida, K. Sakai, et al.

This groundbreaking research conducted by Hiraku Toida, Koji Sakai, Tetsuhiko F. Teshima, Masahiro Hori, Kosuke Kakuyanagi, Imran Mahboob, Yukinori Ono, and Shiro Saito unveils a novel magnetometry technique for cultured neurons using a superconducting flux qubit. The study successfully identifies a clear magnetization signal from neurons, providing a pathway towards single-cell electron spin resonance spectroscopy, which could revolutionize our understanding of individual cells.

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Abstract

This paper demonstrates magnetometry of cultured neurons using a superconducting flux qubit. By varying temperature and magnetic field, a clear magnetization signal from neurons, originating from electron spins of iron ions, was observed above the background signal of the polymeric film. This technique paves the way for single-cell electron spin resonance (ESR) spectroscopy, providing spectroscopic fingerprints of individual cells.

Publisher

Communications Physics

Published On

Feb 06, 2023

Authors

Hiraku Toida, Koji Sakai, Tetsuhiko F. Teshima, Masahiro Hori, Kosuke Kakuyanagi, Imran Mahboob, Yukinori Ono, Shiro Saito

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