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.
Densities and viability of human Saos-2 osteoblasts on 10 V, 20 V, and 30 V nanotubes.
Notes: Control Ti_C and glass coverslips on days 1 (A), 3 (B), 7 (C), and cell growth curves on these surfaces (D). Data expressed as mean ± standard error of mean from six measurements. P≤0.05 considered significant in comparison with samples labeled above columns.
