Supramolecular complex induced by the binding of sodium dodecyl sulfate to PAMAM dendrimers |
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Authors: | Wang Chang Wyn-Jones Evan Sidhu Jagraj Tam Kam Chiu |
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Institution: | Singapore-MIT Alliance, School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798. |
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Abstract: | Isothermal titration calorimetry (ITC) and dynamic light scattering (DLS) were employed to study the spontaneous supramolecular complexation of amine terminated PAMAM dendrimer (G3EDA] PAMAM-NH2) induced by the binding of an anionic surfactant, sodium dodecyl sulfate (SDS). At pHor=10, the electrostatic binding ceased because the deprotonated PAMAM dendrimer was uncharged, and hence the surfactant-induced supramolecular assembly could not be formed. |
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