Interaction Scheme

Molecule

Untitled
Butyl Rhodamine B

c = 8.0 µM

Host

Scx8
sCx8

c = 0.0 — 280.0 µM

Binding Properties

𝜈 Molecule 1 : 1 Host
Ka = 4.79⋅104 ± 4414.58 M-1
Kd =
logKa = 4.68 ± 0.04
T 25.0 °C 298 K
Energy kJ mol-1 kcal mol-1
ΔG = -26.71 ± 0.23 -6.38 ± 0.05
These are the specifications of the determination of the experimental results.
Detection Method: Direct
Assay Type: Direct Binding Assay
Technique: Fluorescence
𝛌ex = 490.0 nm
𝛌em = 599.0 nm
IboundIfree = 0.25
Detailed information about the solvation.
Solvent System Buffer System 100 mM tris pH-8.0
Solvents water
Additives Trometamol 100.0 mM
hydrochloric acid
Source of Concentration
Total concentration 100.0 mM
pH 8.0
Please find here information about the dataset this interaction is part of.
Citation:

M. Chen, T. Shang, J. Liu, G. Diao, SupraBank 2024, Complexation thermodynamics between butyl rhodamine B and calix[n]arenesulfonates (n=4, 6, 8) (dataset). https://doi.org/10.34804/supra.20210928131

Link: https://doi.org/10.34804/supra.20210928131
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Please find here information about the scholarly article describing the results derived from that data.
Citation:

M. Chen, T. Shang, J. Liu, G. Diao, The Journal of Chemical Thermodynamics 2011, 43, 88–93.

Link: https://doi.org/10.1016/j.jct.2010.08.014
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Binding Isotherm Simulations


The plot depicts the binding isotherm simulation of a 1:1 interaction of Butyl Rhodamine B (0.0004178592194682282 M) and sCx8 (0 — 0.0008357184389364564 M).