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Microwave-initiated rapid synthesis of phthalated cashew gum for drug delivery systems

AuthorsDe Jesus Oliveira, Antônia Carla; Lopes Chaves, Luíse; De Oliveira Silva Ribeiro, Fábio; Ramos Monteiro de Lima, Laís; Cardoso Oliveira, Thaisa; García-Villén, Fátima; Viseras, C.; Monteiro de Paula, Regina Célia; Rolim-Neto, Pedro José; Hallwass, Fernando; Silva Filho, Edson; Alves da Silva, Durcilene; Soares-Sobrinho, J. L.; Soares, M. F. L. R.
Chemical modification
Microwave irradiation
Polymeric nanoparticles
Issue Date2021
PublisherElsevier BV
CitationCarbohydrate Polymers 254 (2021)
AbstractChemical modification of polysaccharides is an important approach for their transformation into customized matrices that suit different applications. Microwave irradiation (MW) has been used to catalyze chemical reactions. This study developed a method of MW-initiated synthesis for the production of phthalated cashew gum (Phat-CG). The structural characteristics and physicochemical properties of the modified biopolymers were investigated by FTIR, GPC, H NMR, relaxometry, elemental analysis, thermal analysis, XRD, degree of substitution, and solubility. Phat-CG was used as a matrix for drug delivery systems using benznidazole (BNZ) as a model drug. BNZ is used in the pharmacotherapy of Chagas disease. The nanoparticles were characterized by size, PDI, zeta potential, AFM, and in vitro release. The nanoparticles had a size of 288.8 nm, PDI of 0.27, and zeta potential of –31.8 mV. The results showed that Phat-CG has interesting and promising properties as a new alternative for improving the treatment of Chagas disease.
Publisher version (URL)
Identifiersdoi: 10.1016/j.carbpol.2020.117226
issn: 0144-8617
Appears in Collections:(IACT) Artículos

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