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. 2020 Oct 15;2020:7949037. doi: 10.34133/2020/7949037

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Copyright © 2020 Ruitao Liu et al.

Exclusive Licensee Science and Technology Review Publishing House. Distributed under a Creative Commons Attribution License (CC BY 4.0).

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Metamaterial-based (SRR) biomarker sensor. These sensors were all based on SRR and its derived structures, and the concentrations of biomarkers can be obtained by measuring the drifts of resonance frequency. Reproduced from Lee et al. [155–157] with permissions.