1999
DOI: 10.1016/s0927-7757(98)00753-5
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Binding of sodium dodecylsulfate to poly(N-isopropylacrylamide) microgels at different temperatures

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Cited by 28 publications
(20 citation statements)
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“…These results suggest that appropriate DA is required for temperature-induced change in the polarity of Ac-PRX 10k s. However, in the case of PIPAAm solution, the increase in fluorescence intensity of ANS occurs drastically across its LCST. [27] Considering the linear increase of fluorescence intensities of ANS in the 36Ac-PRX 10k solution, temperature-dependent change in the polarity of the 36Ac-PRX 10k occurs slowly over a wide temperature range.…”
Section: Stimuli-responsive Materials Have Received Considerable Attementioning
confidence: 99%
“…These results suggest that appropriate DA is required for temperature-induced change in the polarity of Ac-PRX 10k s. However, in the case of PIPAAm solution, the increase in fluorescence intensity of ANS occurs drastically across its LCST. [27] Considering the linear increase of fluorescence intensities of ANS in the 36Ac-PRX 10k solution, temperature-dependent change in the polarity of the 36Ac-PRX 10k occurs slowly over a wide temperature range.…”
Section: Stimuli-responsive Materials Have Received Considerable Attementioning
confidence: 99%
“…Inicialmente em baixas concentrações de surfactante, ocorre só atuação dos monômeros dos surfactantes na superfície ar-líquido, enquanto os grupos polares do surfactante ficam na solução aquosa, próximo à superfície minimizando o contato com a água, a atuação do polímero é de minimizar a repulsão entre as cabeças dos surfactantes, ocorrendo assim adsorção constante do surfactante na superfície até ocorrer a total saturação da superfície ar-líquido. [28][29][30][31][32] O início da associação cooperativa do SDS é alcançado com saturação da superfície, formando complexos EHEC-SDS, é indicado pelo primeiro ponto de inflexão da curva, cac, que ocorre no início do platô em 3,0 mM de SDS.…”
Section: Tensão Superficialunclassified
“…[32][33][34][35][36] No final do platô, C 1 ≈ 10 mM, inicia-se uma nova etapa de concentração monomérica na superfície, a tensão superficial diminui e o processo de associação termina no segundo ponto de descontinuidade, aqui chamado de psp. 26,37 O psp, que na Figura 2 ocorre em 26 mM de SDS, representa a concentração na qual ocorre a saturação das cadeias do polímero EHEC por monômeros de SDS.…”
Section: Tensão Superficialunclassified
“…Surfactant binding measurements on gels are rare and the results are contradictory [5]. Abuin et al [6] studied the interaction between sodium dodecyl sulphate (NaDS) and poly(N-isopropylacrylamide) (PNIPAM) microgel particles. Surface tension measurements indicated that the interaction was similar to that of the surfactant with free polymer.…”
Section: Introductionmentioning
confidence: 99%