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. Author manuscript; available in PMC: 2020 Dec 16.
Published in final edited form as: APL Mater. 2018 Dec 10;6(12):120902. doi: 10.1063/1.5058083

FIG. 7.

FIG. 7.

Generation of graded cues on the surfaces of aligned electrospun nanofibers. (a) Schematic showing the generation of a linear gradient of bioactive protein along uniaxially aligned nanofibers using BSA as the mask protein. (b) Schematic showing the generation of a circular gradient of bioactive protein along radially aligned nanofibers.55 (b) Reprinted with permission from Wu et al., ACS Appl. Mater. Interfaces 10, 8536 (2018). Copyright 2018 American Chemistry Society.