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Alexandra Allemand,Bianca Franco Leonardi,Aline Rigon Zimmer,Susana Moreno,Pedro Roosevelt Torres Romao,Grace Gosmann 한국식품영양과학회 2016 Journal of medicinal food Vol.19 No.8
Capsicum baccatum is the most consumed red pepper species in Brazil. Our previous studies demonstrated the anti-inflammatory properties of its crude extract, whose activity is yet to be fully characterized. Herein, we examined the antiinflammatory in vivo effects of enriched extracts obtained through bioguided fractionation as dichloromethane (DCM), butanol (BUT), and residual aqueous (RAq) extracts and its influence on inflammatory mediators produced by macrophages in vitro. We demonstrated that all C. baccatum extracts presented anti-inflammatory activity in vivo. In addition, we showed that BUT and RAq were more effective in inhibiting the neutrophil migration induced by carrageenan (Cg) to peritoneal cavity and both extracts inhibited paw edema induced by Cg, prostaglandin E2, and histamine in mice. Furthermore, the pretreatment with C. baccatum extracts significantly reduced the levels of myeloperoxidase (MPO) in the paw tissues of mice compared with the carrageenan group. Once again, RAq and BUT caused the greatest reduction in MPO levels. Moreover, it was demonstrated for the first time that C. baccatum inhibited the nitric oxide and tumor necrosis factor-alpha production by lipopolysaccharide/interferon gamma (IFN-c)-stimulated macrophages. These anti-inflammatory effects seem to be at least, in part, independent of capsaicin. Hence, red pepper has bioactive compounds and might be used to develop food-derived extracts to treat related inflammatory diseases.
Incorporation of ZnO Nanoparticles on Solution Processed Zinc Oxide Thin-Film Transistors
Miguel A. Dominguez,Javier Martinez,Karim Monfi l-Leyva,Susana Soto,Netzahualcoyotl Carlos,Mario Moreno 한국전기전자재료학회 2018 Transactions on Electrical and Electronic Material Vol.19 No.6
In this work, a simple, low-cost and reliable method for deposition of solution-processed Zinc oxide fi lms with embeddedZnO nanoparticles (np-ZnO) at low deposition temperature is presented. The np-ZnO fi lms are obtained by ultrasonic spraypyrolysis technique at 200 °C. The np-ZnO precursor solution is prepared at diff erent nanoparticles content. After deposition,the np-ZnO fi lms do not require any additional treatment. The np-ZnO fi lms were characterized by Fourier transforminfrared spectroscopy, X-ray diff raction and fi eld emission scanning electron microscope. Moreover, a comparison of ZnOand np-ZnO based thin-fi lm transistors (TFTs) is presented. The extracted fi eld-eff ect mobility was 0.01 cm 2 /Vs for ZnOTFTs and 0.05 cm 2 /Vs for np-ZnO TFTs.