Fig. (6) Titration of DS96 (A) and DS347 (B) to LPS R60 and enthalpy change versus [LPA]:[LPS] molar ratio with isothermal titration calorimetry (ITC). The LPA solution (1 mM) was titrated in 3 µl portions to the LPS dispersion (0.05 mM), and the resulting enthalpy change was recorded.