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.
Silk-based systems used for local and systemic controlled delivery of therapeutic agents. Images are reproduced with permission from the cited articles for scaffolds [141], film [142], fiber mats [143], hydrogels [144], sponges [128], microneedles [145], spheres [125], particles [146], capsules [147], and complexes [83]. Created with BioRender.com accessed on 31 August 2021.
