Innentitelbild：迈向超高品质因数无线 Masing 磁共振传感（Angew.）

Angewandte Chemie Pub Date : 2024-08-12 DOI:10.1002/ange.202414129

Isaiah Adelabu, Shiraz Nantogma, Simon Fleischer, Mustapha Abdulmojeed, Henri de Maissin, Dr. Andreas B. Schmidt, Dr. Soeren Lehmkuhl, Prof. Dr. Matthew S. Rosen, Prof. Dr. Stephan Appelt, Prof. Thomas Theis, Prof. Chunqi Qian, Prof. Eduard Y. Chekmenev

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摘要

受激辐射的射频放大（RASER）产生了核自旋齐曼能级跃迁。Eduard Y. Chekmenev 等人在他们的研究文章（e202406551）中展示了一种主动反馈无线核磁共振掺杂探测器的实用性，该探测器的品质因数可提高到 1,000,000 ，在 300 MHz 频率下产生 RASER，而传统的被动式核磁共振探测器则无法做到这一点。这种主动反馈电路方法有可能在广泛的体内应用中实现 RASER 传感。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Innentitelbild: Toward Ultra-High-Quality-Factor Wireless Masing Magnetic Resonance Sensing (Angew. Chem. 37/2024)

Radiofrequency amplification by stimulated emission of radiation (RASER) creates masing of nuclear spin Zeeman energy level transitions. In their Research Article (e202406551) Eduard Y. Chekmenev et al. show the utility of an active-feedback wireless NMR masing detector with the quality factor enhancement up to 1,000,000 to create a RASER at 300 MHz that was otherwise not possible with conventional passive NMR detectors. This active-feedback-circuit approach potentially enables RASER sensing in a wide range of in vivo applications.

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