Scheme 1.
Molecular structures of (A) pyropheophorbide a, a photosensitizer, (B) PSHPMA70-PDPA50, and (C) LTPA, a two-photon absorbing compound.
Abbreviation: nBu, n-butyl.
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.