Interaction Scheme

Molecule

Trans merocyanine %28protonated%29
trans-Merocyanine (protonated)

c = 6.5 µM

Host

Scx8
sCx8

c = 0.0 — 500.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 2.20⋅104 ± 300.0 M-1
Kd =
logKa = 4.34 ± 0.01
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -24.79 ± 0.03 -5.92 ± 0.01
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Fluorescence
𝛌ex = 428.0 nm
𝛌em = 632.0 nm
Detailed information about the solvation.
Solvent System Complex Mixture
Solvents water
Additives hydrochloric acid
pH 2.3
Please find here information about the dataset this interaction is part of.
Citation:

Z. Miskolczy, L. Biczók, SupraBank 2024, Photochromism of a Merocyanine Dye Bound to Sulfonatocalixarenes: Effect of pH and the Size of Macrocycle on the Kinetics (dataset). https://doi.org/10.34804/supra.20210928262

Link: https://doi.org/10.34804/supra.20210928262
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

Z. Miskolczy, L. Biczók, J. Phys. Chem. B 2013, 117, 648–653.

Link: https://doi.org/10.1021/jp310167j
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of trans-Merocyanine (protonated) (0.0009090909090909091 M) and sCx8 (0 — 0.0018181818181818182 M).