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Fig. 4 | Journal of Nanobiotechnology

Fig. 4

From: Material priority engineered metal-polyphenol networks: mechanism and platform for multifunctionalities

Fig. 4

a Coating thickness of the PC-MPNI and PC-MPNII coatings before and after treatment with Fe(NO3)3 for 30 min. AFM images of b PC-MPNI and c PC-MPNII coatings before and after treatment with Fe(NO3)3 for 30 min. b1, c1 and b2, c2 are images taken before and after treatment, respectively. d Surface roughness of the PC-MPNI and PC-MPNII coatings before and after treatment with Fe(NO3)3 for 30 min

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