Fig. 2.
Fiber-like and spherical-type microplastics observed in this study (a – from surgical A mask, b – from activated carbon mask, c – from surgical B mask, d – from cotton mask, e – from nonwoven mask, and f – from fashion mask).
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.