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.
Pictures of a complex porous structures printed using four printheads with parallel and diagonal rectilinear patterns. Each fluorescent bioink was deposited in a different layer (a–d) with a total of four layers stacked (e–g,i–k). Detailed view of the diagonal (h) and perpendicular lattice structures (l); scale bars: 1 mm.
