Biofunctional coatings for 3D-printed bone scaffolds: A comparative study on polydopamine-assisted bioactive ceramic coatings - MinJoo Kim; Qaisar Nawaz; Bastian Hartmann; Pedro Henrique da Rosa Braun; Constanze Eulenkamp; Jan Torgersen; Hauke Clausen-Schaumann; Aldo Roberto Boccaccini; Boris Michael Holzapfel; Susanne Mayer-Wagner (Chemical Engineering Journal, 2026)