Interactions between a hydrophobically modified poly(amidoamine)dendrimer and surfactants in aqueous solutions

New Insights into the Interactions between Dendrimers and Surfactants by Two Dimensional NOE NMR Spectroscopy

“…Esumi et al also suggested the formation of large aggregates after the addition of sodium dodecyl sulfate (SDS) monomers into quaternized dendrimer (modified with hydrophobic chains or sugars) or carboxylterminated dendrimer solutions, based on surface tension and fluorescence probe studies. [17][18][19][20] Bakshi et al further supported the self-aggregation of surfactants on the surface of dendrimers by fluorescence probe, Krafft temperature, viscosity, AFM, and electrical conductivity measurements. 14,15,[22][23][24][25][26][27][28] More recently, Holzwarth and Wyn-Jones investigated the interactions between dendrimers and different kinds of surfactants by SDS-specific electrode, ITC, and SANS anlysis.…”

The Inhibition of the Hydrolysis of Cephanone by CTAB/n‐C5H11OH/H2O Microemulsion

“…The location of cephanone in CTAB micelle can be verified by the determination of the micropolarity of the micelle with pyrene as probe [15] (Table 1). It is well known that pyrene exists at the palisade layer of CTAB micelle and the I 1 /I 3 value is 1.349.…”

“…The intensity ratio (I 1 /I 3 ) of the first emission peak (373 nm) to the third emission peak (384 nm) indicates the extent of the polarity of the microenvironment where the probe exists, from which the location of cephanone in micelle or O/W microemulsion can be determined. [14,15] All the solutions were deoxygenated by bubbling pure nitrogen for 15 min before measurements and the steady-state fluorescence spectra of pyrene in the micelle and O/W microemulsion were determined at 508C + 0.18C. Fig.…”

Fluorescence studies of interactions of ionic surfactants with poly(amidoamine) dendrimers

“…Recently, another branch of polymers (i.e., dendrimers) has appeared in literature, which has extraordinary solution properties [3][4][5][6][7][8] in comparison to linear polymers. Dendrimers represent a new class of synthetic macromolecules characterized by a regularly branched tree-like structure [9].…”