Keywords
Surfactant; Micelles; Catalysis; CTAB; Dipeptide (Gly-Tyr); Ninhydrin
Nomenclature
SymbolsMeaningskobsrate constant in aqueous mediumkψrate constant in micellar mediumGly-Tyrglycyl-tyrosineKNmicellar binding constant for ninhydrinKSmicellar binding constant for glycyl-tyrosineNninhydrin(Gly-Tyr)wglycyl-tyrosine in aqueous medium(Gly-Tyr)mglycyl-tyrosine in micellar mediumNwninhydrin in aqueous mediumNmninhydrin in micellar mediumView the MathML sourcepseudo-first-order rate constant for condensation of ninhydrin in non-micellar pseudo-phaseView the MathML sourcepseudo-first-order rate constant for condensation of ninhydrin in micellar pseudo-phaseDnmicellized surfactantkwsecond-order rate constant in aqueous mediumkmsecond-order rate constant in micellar mediumView the MathML sourcemolarity of ninhydrin bound to the micellar headgroupskψcalcalculated value of rate constant in micellar mediumView the MathML sourcesecond-order rate constant for reaction in the Stern layerKDdissociation constant of the micellized surfactantnindex of cooperativityEaactivation energyΔH#enthalpy of activationΔS#entropy of activationkrate constantKequilibrium constant