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.
Effect of microneedle matrix formulation on HA potency of vaccine. Microneedle patches were fabricated using a vaccine casting solution containing 10 mg/ml trehalose and a matrix casting solution containing different ratios of PVA to sucrose, and were then dried by lyophilization. HA potency was measured immediately after drying. Data show average±s.d. (n=4).
