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. 2021 Jun 10;8(15):2004433. doi: 10.1002/advs.202004433

Figure 5.

Figure 5

Schematic illustration of A) Sensing with microcapsules. Reproduced with permission.[ 128 ] Copyright 2019, American Chemical Society. B) An assay where magnetic fluorescent nanoparticles are captured by antibodies on the biotinylated surface of cells. Reproduced with permission.[ 40 ] Copyright 2019, Elsevier. C) A T cell‐surface aptamer sensor for measuring cytokine secretion at the single‐cell level. Reproduced with permission.[ 130 ] Copyright 2017, The Royal Society of Chemistry. D) The fluorescent method for IFN‐γ detection using three target‐responsive liposomes activated by CHA. Reproduced with permission.[ 131 ] Copyright 2018, The Royal Society of Chemistry.