Fig. 3.

Nanostructure-embedded microchips for fNRBCs immunoadsorption methods. a The CD71 antibody-labeled triangular micropillar chip for sorting fNRBCs. Reprinted with permission from ref [151].

Copyright 2018 Royal Society of Chemistry. b The microfluidic chip with a fishbone structure modified with anti-CD147 to capture fNRBCs. Reprinted with permission from ref [152]. Copyright 2019 Elsevier. c Thin films of biotin-containing polypyrrole nanoparticles modified with anti-CD147 to capture fNRBCs. Reprinted with permission from ref [30]. Copyright Ivyspring International Publisher. d The chitosan nanostructured substrates modified with anti-CD147 to achieve sorting of fNRBCs. Reprinted with permission from ref [154]. Copyright 2020 John Wiley and Sons