Interaction Scheme

Molecule

Pyronin y
Pyronin G

c = 1.0 µM

Host

Gamma cd
γ-CD

c = 0.0 — 50000.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 40.0 ± 10.0 M-1
Kd =
logKa = 1.6 ± 0.11
T 20.0 °C 293 K
Energy kJ mol-1 kcal mol-1
ΔG = -8.99 ± 0.62 -2.15 ± 0.15
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Fluorescence
𝛌ex = 515.0 nm
𝛌em = 570.0 nm
IboundIfree = 0.6
Detailed information about the solvation.
Solvent System Complex Mixture
Solvents water
Additives Perchloric acid
pH 4.0
Please find here information about the dataset this interaction is part of.
Citation:

J. Bordello, B. Reija, W. Al-Soufi, M. Novo, SupraBank 2024, Host-Assisted Guest Self-Assembly: Enhancement of the Dimerization of Pyronines Y and B by γ-Cyclodextrin (dataset). https://doi.org/10.34804/supra.20210928111

Link: https://doi.org/10.34804/supra.20210928111
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

J. Bordello, B. Reija, W. Al-Soufi, M. Novo, ChemPhysChem 2009, 10, 931–939.

Link: https://doi.org/10.1002/cphc.200800776
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of Pyronin G (0.5 M) and γ-CD (0 — 1.0 M).