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. Author manuscript; available in PMC: 2020 Jun 3.
Published in final edited form as: Angew Chem Int Ed Engl. 2019 Apr 23;58(23):7611–7614. doi: 10.1002/anie.201810919

Table 1.

Binding and Spectroscopic Properties of NS510 with Various Amines

amine guest Ka(M−1)a Isat/I0b
graphic file with name nihms-1015231-t0007.jpg 35,900c 0.80
graphic file with name nihms-1015231-t0008.jpg 13,500 1.9
graphic file with name nihms-1015231-t0009.jpg 17,900c 0.88
graphic file with name nihms-1015231-t0010.jpg 32 26
graphic file with name nihms-1015231-t0011.jpg 24 24
graphic file with name nihms-1015231-t0012.jpg 83 28
a

Ka measured by fluorescence spectroscopy (see Figure 2 for conditions). Error in Ka values are ±10% based on triplicate titrations.

b

Isat = fluorescence intensity at saturation taken from the theoretical fit to the binding isotherm.

c

Ka measured by UV/vis spectroscopy.