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- W2987376629 abstract "Selenium nanoparticles (SeNPs) are successfully synthesized through microwave heating by using Theobroma cacao L. bean shell extract as a stabilizing and capping agent. Response surface methodology is used to obtain optimal synthesis conditions. The effect of microwave power, irradiation time and amount of Na2SeO3 are evaluated on crystalline size by X-Ray Diffraction (XRD) and Z-potential by Dynamic Light Scattering (DLS) using a central composite design (CCD). Optimal synthesis conditions are determined as 15.6 min, 788.6 W and 0.14 g of sodium selenite using 50 mL of Theobroma cacao L. bean shell extract. The successful biosynthesis of SeNPs is confirmed by UV-visible and Fourier Transformed Infrared (FTIR) spectroscopic analyses. The XRD pattern and Raman spectra show the presence of trigonal and amorphous synthesized SeNPs. Spherical SeNPs are observed by Transmission Electron Microscopy (TEM) with a particle size of 1-3 nm in diameter, at least one order of magnitude lower than those previously reported. The obtained SeNPs can be stable up to 55 days at 4 °C. Additionally, the SeNPs show an excellent antioxidant performance by the 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS) and ferric reducing antioxidant power (FRAP) methods, with potential application in different sectors, such as food, medical and pharmaceutical." @default.
- W2987376629 created "2019-11-22" @default.
- W2987376629 creator A5007931122 @default.
- W2987376629 creator A5046058280 @default.
- W2987376629 creator A5074209985 @default.
- W2987376629 date "2019-11-08" @default.
- W2987376629 modified "2023-10-18" @default.
- W2987376629 title "Microwave-Assisted Green Synthesis and Antioxidant Activity of Selenium Nanoparticles Using Theobroma Cacao L. Bean Shell Extract" @default.
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- W2987376629 doi "https://doi.org/10.3390/molecules24224048" @default.
- W2987376629 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6891266" @default.
- W2987376629 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/31717413" @default.
- W2987376629 hasPublicationYear "2019" @default.
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