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.
(a) Photograph of a typical clay–CNT–chitosan fiber; (b, c) Scanning electron microscopy images of the fiber's surface morphology; (d) Typical fiber resistance as a function of time during exposure to humid atmosphere (21 °C, 90% RH) for 270 minutes.
