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.
Atomic force microscopy (AFM) images of rat sperm. A) 2D and 3D images of untreated cells showing cluster cells with smooth surface. B) 2D and 3D images of Fe3O4–Cu–SMA–DMSO (Smart RISUG) treated cells showing blabs in plasma membrane, disintegration leading to enzyme leaching, shortened height, and curved tail.
