Encapsulation of Anilinonaphthalenesulfonates in Carboxylate-Terminated PAMAM Dendrimer at the Polarized Water|1,2-Dichloroethane Interface

Encapsulation of Anilinonaphthalenesulfonates in Carboxylate-Terminated PAMAM Dendrimer at the Polarized Water|1,2-Dichloroethane Interface

Molecular encapsulation of water-soluble anionic fluorescent dye molecules, 8-anilino-1-naphthalenesulfonic acid (ANS), and its bimolecular derivative (bis-ANS), in the generation 3.5 polyamidoamine (G3.5 PAMAM) dendrimer was investigated in the bulk aqueous phase and at the polarized water|1,2-dich...

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Veröffentlicht in:Langmuir 2010-11, Vol.26 (22), p.17686-17694
Hauptverfasser: Nagatani, Hirohisa, Sakamoto, Tsutomu, Torikai, Taishi, Sagara, Takamasa
Format: Artikel
Sprache:eng
Schlagworte:
Anilino Naphthalenesulfonates - chemistry
Carboxylic Acids - chemistry
Chemistry
Dendrimers - chemistry
Electrochemistry: Charge Transfer, Electrocatalysis, Kinetics, Bioelectrochemistry
Ethylene Dichlorides - chemistry
Exact sciences and technology
Fluorescent Dyes - chemistry
General and physical chemistry
Hydrogen-Ion Concentration
Naphthalenesulfonates - chemistry
Spectrometry, Fluorescence
Surface physical chemistry
Water - chemistry
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Zusammenfassung:Molecular encapsulation of water-soluble anionic fluorescent dye molecules, 8-anilino-1-naphthalenesulfonic acid (ANS), and its bimolecular derivative (bis-ANS), in the generation 3.5 polyamidoamine (G3.5 PAMAM) dendrimer was investigated in the bulk aqueous phase and at the polarized water|1,2-dichloroethane interface. ANS− was electrostatically incorporated in the dendrimer, and the fluorescence enhancement with a blue shift of the emission maximum was observed at pH values
ISSN:0743-7463
1520-5827
DOI:10.1021/la1032477