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- W2365691165 abstract "The inclusion interactions of perhydroxycucurbit[6]uril(HOCB6) with diphenylamine-4-sulfonic acid sodium salt(DPS) were studied by fluorimetric methods.Several effect factors,such as the pH values,common organic solvents and surfactants on the fluorescent intensity and the stability of the complex were investigated.The results indicated that the hydrogen-bonding and hydrophilic portal interactions existed between HOCB6 and DPS,which contribute to the formation of 1:1 type exo-inclusion complex.The complex constant was determined to be 1.25×103 L·mol-1.The comparative study of HOCB6 with CB6 was also carried out by using DPS as guest.The spectra changes show that the stable exo-inclusion complex also was formed between cucurbituril and DPS in similar way.The complex constant was determined to be 2.80×102 L·mol-1.When HOCB6 was added into the DPS solution,the emission spectra of DPS occurred to a little blue shift with the weaken of the fluorescent intensity.But when CB6 was added into the DPS solution,the emission spectra of DPS occurred to a great blue shift with the weaken of the fluorescent intensity.The results indicated that twelve hydroxy groups graft on the macrocyclic cavity of parent CB6,which changed its capability of ion/molecular recognition.It was responsible for the difference spectroscopic change and complex constants between HOCB6-DPS and CB6-DPS." @default.
- W2365691165 created "2016-06-24" @default.
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- W2365691165 date "2007-01-01" @default.
- W2365691165 modified "2023-09-24" @default.
- W2365691165 title "Study on the Molecular Recognition Interaction of Perhydroxycucurbit[6] uril with Diphenylamine-4-sulfonic Acid Sodium Salt by Spectroscopic Methods" @default.
- W2365691165 hasPublicationYear "2007" @default.
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