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. 2018 Jul 10;23(7):1683. doi: 10.3390/molecules23071683

Figure 3.

Figure 3

Three types of biosensors. OPTICAL BIOSENSORS: (A) lateral flow assay (LFA)-based biosensor; (B) solution-based colorimetric biosensor; (C) localized surface plasmon resonance (LSPR)-based biosensor; (D) surface-enhanced Raman scattering (SERS)-based biosensor. (NP: nanoparticle). Reprinted from [42], with permission from Elsevier. © 2015 Elsevier Ltd. MECHANICAL BIOSENSORS: (A) Nanoparticle-functionalized piezoelectric biosensor – quartz crystal microbalance (QCM) system. Reprinted from [50], with permission from Elsevier. © 2012 Elsevier B.V.; (B) Antibody conjugated microcantilever using atomic force microscopy (AFM) tapping mode. Reprinted from [6], with permission from Elsevier. © 2010 Elsevier B.V. ELECTROCHEMICAL BIOSENSORS: (A) Aptamer functionalized impedimetric biosensor. Figure reproduced from [71]; (B) Potentiometric biosensor. Reprinted from [70], with permission from Elsevier. © 2011 Elsevier B.V.