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Steady-state fluorescence emission spectra of pyrene at equilibrium.
Notes: (A) solid pyrene crystals (black) and R4-PY solution (red, PY = 2.47 mM, R4 = 100 μM). (B) Pyrene in PC vesicles (black, PY = 65.3 μM, PC = 1.037 mM), and R4-PY solution mixed with PC vesicles (red, PY = 42.5 μM, R4 = 100 μM, PC = 1.037 mM). λex = 336 nm. Self-assembling peptide R4 transfers hydrophobic compound pyrene into liposome vesicle.
Abbreviations: PY, pyrene; PC, phosphatidylcholine vesicles.
