Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
SEM images and AFM images of the silk surface of plain silk fabrics (SF) (a,d), a silk surface loaded with polydopamine synthesized by laccase catalytic oxidation of dopamine (PDA-SF) (b,e), and needle-like γ-FeOOH crystal grown in situ on a silk surface loaded with polydopamine (PDA-Fe-SF) (c,f). The insets in a-c show the corresponding contact angle and sliding angle of the silk fabrics. Reprinted with permission from Ref. [60] Copyright 2020 Elsevier.
