RO3280 (≥99.5%)
and GSK461364 (≥99.8%) were supplied by MedChem Express. HSA
(≥99%; fatty acid- and globulin-free), ibuprofen (>98%),
warfarin
(99.9%), Bis-Tris (≥98.0%), NaCl (≥99.0%), and DMSO
(99.9%) were purchased from Sigma-Aldrich. The samples were dissolved
in 0.02 M Tris-HCl buffer solutions at pH 7.4 containing 0.1 M NaCl.
All of the buffer solutions were prepared in Milli Q water and filtered
with 0.22 μm filters before being used.
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