Figure 11.

a) Detection of f‐PSA on superwettable microchips. Reproduced with permission.^{[ 196 ]} Copyright 2018, Elsevier. b) Schematic representation of visualized blood grouping on the intelligent slippery surface by simply observing the sliding states of droplets. c) Digital images showing the grouping progress of blood sample (A+), where only the droplets with no hemagglutination reaction would slide down. b,c) Reproduced with permission.^{[ 47 ]} Copyright 2018, American Association for the Advancement of Science. d) Blood agglutination (marked with red stars) of different blood samples (A+, A−, B+, AB+, O+ and O−) with different antibodies (Anti‐A, Anti‐B and Anti‐D) on a superhydrophobic surface for blood type. Reproduced with permission.^{[ 198 ]} Copyright 2013, Elsevier.