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Zucatti, Roberta N.; Silveira, Nádya Pesce da, E-mail: nadya@iq.ufrgs.br
Associação Brasileira de Polímeros (ABPol), São Carlos, SP (Brazil)2021
Associação Brasileira de Polímeros (ABPol), São Carlos, SP (Brazil)2021
AbstractAbstract
[en] Chemical microgels based on gelatin and hyaluronic acid were synthesized, with and without the incorporation of phospholipid organogel in the polymer matrix. The presence of surfactant in the crosslinking step was evaluated. Dynamic Light Scattering and Zeta Potential analyzes indicated the formation of liposomal vesicles, which provided additional stabilization in the crosslinking step, inducing the formation of microgels with smaller effective diameters; the same effect was observed in relation to the presence of the SDS surfactant. SEM images showed a pearl-necklace conformational morphology, and micrometric star-shaped aggregates. For the investigation of the internal organization of the microstructures SAXS analyses were performed, which indicated the self-organization of the systems in core-shell structures and allowed determination of characteristic Bragg distances in the microdomains. (author)
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2021; 5 p; 16. CBPOL: Brazilian congress on polymers; Ouro Preto, MG (Brazil); 24-28 Oct 2021
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Miscellaneous
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