2008
DOI: 10.1080/10717540801905165
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Polyelectrolyte Biomaterial Interactions Provide Nanoparticulate Carrier for Oral Insulin Delivery

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Cited by 77 publications
(36 citation statements)
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“…If low viscosity alginates are used, a strong solution is generally formed without any viscosity problems, and the calcium bath is not diluted as rapidly. In general, low G alginates, like we used in this study, produced very flexible gels [15]. Gel fibers have very good strength in both wet and dry forms, and as with most polymer fibers formed by extrusion, stretching while forming increases the linearity of the polymer chains and the strength of the fiber.…”
Section: Production and Characterization Of Plectranthus Spp Extractmentioning
confidence: 99%
See 1 more Smart Citation
“…If low viscosity alginates are used, a strong solution is generally formed without any viscosity problems, and the calcium bath is not diluted as rapidly. In general, low G alginates, like we used in this study, produced very flexible gels [15]. Gel fibers have very good strength in both wet and dry forms, and as with most polymer fibers formed by extrusion, stretching while forming increases the linearity of the polymer chains and the strength of the fiber.…”
Section: Production and Characterization Of Plectranthus Spp Extractmentioning
confidence: 99%
“…In some encapsulation methods, the active ingredient is encapsulated into calcium alginate beads and slowly released from the polymer matrix when the bead is exposed in the appropriate environment [13,14]. In general, alginate solutions are stable in the pH range 5.5-10 at room temperature for a long time, and one approach to improve the calcium alginate bead stability may be obtained with the medium enrichment with calcium ions, where the beads are suspended [15].…”
Section: Introductionmentioning
confidence: 99%
“…Sendo assim, ela tem aplicação na adsorção e remoção de íons metálicos [160][161][162] e corante, 163 em dispositivo tipo "língua eletrônica", 164 biossensor para determinação de rutina, 165 preparação de géis para liberação de fármacos 128,166,167 e de larvicida 168 e de nanopartículas para liberação oral de insulina. [169][170][171] Pectina -produto do segmento mais exportado, é objeto de poucas pesquisas no país. 172,173 Ela é normalmente extraída de casca de frutas cítricas e maçã, mas pode ser obtida de outros frutos, como maracujá.…”
Section: Outros Polissacarídeosunclassified
“…They observed that insulin was strongly retained into both systems at low pH, but when the release medium was changed by one at near neutral pH, up to 40-70% of the insulin was released almost immediately. Alginate-chitosan nanospheres demonstrated the best controlled insulin profile release in simulated intestinal conditions (Reis et al, 2008). The same method has been used to prepare insulin-loaded nanoparticles based on alginate-dextran, achieving an encapsulation efficency of 82.5%.…”
Section: Peptides and Proteins Included In Polysaccharide-based Delivmentioning
confidence: 99%