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.
Synthesizing protocol of hyaluronan (HA) conjugated ZnPP through ester bond (HA-es-ZnPP). Inset shows the gel permeation chromatograph of HA-es-ZnPP and free ZnPP, by using a high-performance liquid chromatography (HPLC) system with an Asahipak GF-310 HQ column.
