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磁阻抗生物传感器和实时医疗保健监测器：进展、机遇和挑战。

Magnetoimpedance Biosensors and Real-Time Healthcare Monitors: Progress, Opportunities, and Challenges.

机构信息

Laboratory for Advanced Materials and Sensors, Department of Physics, University of South Florida, Tampa, FL 33620, USA.

Department of Biomedical Engineering, University of South Florida, Tampa, FL 33620, USA.

出版信息

Biosensors (Basel). 2022 Jul 12;12(7):517. doi: 10.3390/bios12070517.

DOI:10.3390/bios12070517
PMID:35884320
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9313129/
Abstract

A small DC magnetic field can induce an enormous response in the impedance of a soft magnetic conductor in various forms of wire, ribbon, and thin film. Also known as the giant magnetoimpedance (GMI) effect, this phenomenon forms the basis for the development of high-performance magnetic biosensors with magnetic field sensitivity down to the picoTesla regime at room temperature. Over the past decade, some state-of-the-art prototypes have become available for trial tests due to continuous efforts to improve the sensitivity of GMI biosensors for the ultrasensitive detection of biological entities and biomagnetic field detection of human activities through the use of magnetic nanoparticles as biomarkers. In this review, we highlight recent advances in the development of GMI biosensors and review medical devices for applications in biomedical diagnostics and healthcare monitoring, including real-time monitoring of respiratory motion in COVID-19 patients at various stages. We also discuss exciting research opportunities and existing challenges that will stimulate further study into ultrasensitive magnetic biosensors and healthcare monitors based on the GMI effect.

摘要

弱磁场会在各种形式的线材、带状线和薄膜软磁导体的阻抗中产生巨大的响应，这种现象被称为巨磁阻抗（GMI）效应，它为开发高性能磁生物传感器奠定了基础，这种传感器在室温下的磁场灵敏度可低至皮特斯拉级。在过去的十年中，由于不断努力提高 GMI 生物传感器的灵敏度，以便通过使用磁性纳米粒子作为生物标志物来对生物实体进行超灵敏检测和对人体活动的生物磁检测，一些最先进的原型已可用于试用测试。在本文中，我们重点介绍了 GMI 生物传感器的最新进展，并回顾了用于生物医学诊断和医疗保健监测的医疗设备，包括在 COVID-19 患者的各个阶段实时监测呼吸运动。我们还讨论了令人兴奋的研究机会和现有挑战，这些机会和挑战将激发对基于 GMI 效应的超灵敏磁生物传感器和医疗监测器的进一步研究。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/1cc2021370fa/biosensors-12-00517-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/434c2bfaa9b5/biosensors-12-00517-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/3111b0f010b0/biosensors-12-00517-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/d7feef6bf7db/biosensors-12-00517-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/82ab57ddef8c/biosensors-12-00517-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/903e5085a0d7/biosensors-12-00517-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/9854ff1e5700/biosensors-12-00517-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/f65c4a49f891/biosensors-12-00517-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/614cff8c8a04/biosensors-12-00517-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/5a37b2237871/biosensors-12-00517-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/6358b1e44858/biosensors-12-00517-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/12c39b737074/biosensors-12-00517-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/1cc2021370fa/biosensors-12-00517-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/434c2bfaa9b5/biosensors-12-00517-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/3111b0f010b0/biosensors-12-00517-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/d7feef6bf7db/biosensors-12-00517-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/82ab57ddef8c/biosensors-12-00517-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/903e5085a0d7/biosensors-12-00517-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/9854ff1e5700/biosensors-12-00517-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/f65c4a49f891/biosensors-12-00517-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/614cff8c8a04/biosensors-12-00517-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/5a37b2237871/biosensors-12-00517-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/6358b1e44858/biosensors-12-00517-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/12c39b737074/biosensors-12-00517-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c879/9313129/1cc2021370fa/biosensors-12-00517-g012.jpg

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[6]
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本文引用的文献

[1]
Magnetoimpedance Thin Film Sensor for Detecting of Stray Fields of Magnetic Particles in Blood Vessel.

Sensors (Basel). 2021-5-22

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ACS Biomater Sci Eng. 2021-6-14

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Sensors (Basel). 2020-9-12

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Detection and analysis of nucleic acid in various biological samples of COVID-19 patients.

Travel Med Infect Dis. 2020-4-18

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