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. 2020 Feb 13;20(4):1003. doi: 10.3390/s20041003

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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LSPR-based immunosensors for viral agent detection. (a) Detection of HIV-1 virus by LPSR-based immunosensor; (b) signal amplification of LSPR-based immunosensor by forming hetero-assembled gold nanoparticles based on the sandwich assay. (a) Figure reproduced with permission from [51], © 2013 Elsevier, (b) Figure reproduced with permission from [52], © 2018 Elsevier.