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.
Immunohistochemical localization of inducible Hsp 70 expression using fluorescein isothiocyanate-labeled secondary antibodies in villi at 6 weeks (a), 9 weeks (b), and 13 weeks gestational age (c). d: Negative control and nitrotyrosines with chromogenic substrate at 6 weeks (e), 9 weeks (f), and 13 weeks gestational age (g). h: Negative control. There is strong immunolabeling for both at 9 weeks, particularly in the syncytiotrophoblast (arrows).
