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.
(a) 1H NMR reference spectrum of the complex salvianic acid (2 mM) – BSA (50 μΜ), including warfarin 2 mM, in PBS buffer 10 mM, pH = 7.4 with 600 μL D2O. STD difference NMR spectrum of the complex salvianic acid–BSA, including: (b) 2 mM warfarin, (c) 4 mM warfarin (details for the protons of salvianic acid in Supplementary Figure S6 and for warfarin in Supplementary Figure S13).
