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. Author manuscript; available in PMC: 2021 Jan 17.
Published in final edited form as: J Am Chem Soc. 2008 Aug 21;130(37):12318–12327. doi: 10.1021/ja803806c

Scheme 1.

Scheme 1.

Equilibria of an IDA and eIDAa

a H = host/receptor; H* = chiral host/receptor; I = indicator; G, GR, GS = analyte/guest; [G]t = total guest concentration; K, KI, KG, KR, KS = binding constant; ΔA = change in absorbance.