TABLE 1

qNMR internal standard and aSICCO linearity and dynamic range data of NBG (0.01–10 mM NBG in DMSO-d6)

NBG Chemical Shift
2.01 ppm (7′)3.78 ppm (4′)4.58 ppm (2′)7.61 ppm (3/5)8.18 ppm (2/6)8.37 ppm (5′)8.49 ppm (3′)
Istd method
    r21.0000.9991.0001.0001.0001.0001.000
    Slope0.0980.150.0500.1010.1060.0510.051
    Intercept0.00−0.020.000.000.000.000.00
aSICCO
    r21.0001.0001.0001.0001.0001.0001.000
    Slope0.590.611.20.600.671.31.3
    Intercept0.000.040.03−0.030.000.000.01
Embedded Image