fig7

Figure 7. (A) Illustration of the synthesis of CN@UIO-66@MIPs; (B) SEM image of CN@UIO-66@MIPs; (C) TEM image of CN@UIO-66@MIPs; Influence of the protein immobilization carrier (D) and DMAPS (E) content (the white and black numbers representing IF and β values, respectively) on the recognition and selectivity of the MIPs; (F) Fabrication of magnetic carbonized PDA@F127/ZIF-67 hollow nanocages; (G) High resolution XRD spectrum of carbonized PDA@F127/ZIF-67 NPs; (H) SEM image of carbonized PDA@F127/ZIF-67 NPs; (I) TEM image of carbonized PDA@F127/ZIF-67 NPs; (J) Influence of pH on the adsorption properties of the carbonized PDA@F127/ZIF-67 nanocages; (K) Spiked fetal calf serum analyzed by SDS-PAGE. Lane 1, protein molecular weight marker; lane 2, spiked fetal calf serum diluted 40-fold; lane 3, the supernatant after the enrichment by carbonized PDA@F127/ZIF; lane 4, the elute; lane 5, 0.2 mg·mL^-1 BHB standard solution; MALDI-TOF MS analyses for (L) 40-fold dilution of spiked fetal calf serum and (M) the eluate. (A-E) are reprinted with permission from Ref.^[113], Copyright © 2021 by American Chemical Society. (F-M) are reprinted with permission from Ref.^[114], Copyright © 2020 by American Chemical Society. SEM: Scanning electron microscope; TEM: transmission electron microscope; DMAPS: 3-dimethyl-(methacryloyloxyethyl) ammonium propane sulfonate; MIPs: molecularly imprinted polymers; XRD: X-ray diffraction; SDS-PAGE: sodium dodecyl sulfate-polyacrylamide gel electrophoresis; BHB: bovine hemoglobin; MALDI-TOF MS: matrix-assisted laser desorption/ionization time-of-flight mass spectrometry.