Polímeros: Ciência e Tecnologia
Polímeros: Ciência e Tecnologia
Original Article

Incorporation of astrocaryum vulgare (tucuma) oil into PCL electrospun fibers

Nathan Rampelotto Bressa; Vinícius Rodrigues Oviedo; Aline Machado Bessow Machado; Willians Lopes de Almeida; Tiago Moreno Volkmer; Luis Alberto Loureiro dos Santos; Michele Rorato Sagrillo; Luiz Fernando Rodrigues Junior

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The aim of this study was to incorporate tucuma oil (Astrocaryum vulgare) into PolyCaprolactone (PCL) electrospun fibers and evaluate its physicochemical properties and cell viability. FTIR and DRX confirmed that tucuma oil (TO) does not affect the chemical properties of PCL and that the oil was loaded into the PCL microstructure, while TGA analysis showed that the oil increased the thermal stability of the polymeric fibers. SEM showed that the addition of the oil modified fibers structure by reducing the average fiber size from 5.5 μm to 1.7 μm for TO loaded samples. Cell viability assay demonstrated an increment on cell proliferation from 80% of pure PCL to 100% for samples containing TO. Therefore, it can be concluded that tucuma oil can be incorporated into PCL to form fibers by electrospinning, without meaningful changes in its physicochemical properties and increasing its biocompatibility.


cytotoxicity, vegetal oil, fibers


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