Fig. 3.
Light microscopy (Olympus BX50F, Japan) at a magnification of 40× (a) tetracaine commercial product and (b) tetracaine test system at pH 9 above critical aggregation concentration.
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.