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.
Scanning electron microscopy images at different magnifications (A-D) of (PLA/HSA)3 nanotubes prepared using polycarbonate track-etched nanomembranes. The figure also includes a descriptive cartoon showing the constituting building blocks of the multilayer assembly. Reproduced and adapted with permission from Qu et al. ACS Nano 2010, 4, 563. Copyright 2010 American Chemical Society.
