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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: Adv Mater Technol. 2021 Apr 21;6(8):2001138. doi: 10.1002/admt.202001138

Figure 9.

Figure 9.

Schematic illustration of typical multiplex 2D μPADs configurations. a) A branched configuration with multiple hydrophilic channels confines the diffusion of liquid sample along the channels and allows for collecting the sample at the detection zones where each biomarker is detected separately. Reproduced with permission.[92] Copyright 2016, Elsevier. b) An array of hydrophilic spots is created for simultaneous detection of multiple cancer biomarkers within separate detection spots. In this configuration, each spot is specifically modified for detection of one type of biomarker. Reproduced with permission.[93] Copyright 2013, Elsevier.