Figure 1.
SEM image of a polymer solution precipitated from water via slow addition (A) and fast addition (B); 30 000× magnification; scale bar is 100 nm.
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.