A facile and fast synthetic approach to create selenium nanoparticles with diverse shapes and their antioxidation ability

Abstract

A facile microwave-assisted method was developed to synthesize multi-morphology selenium nanoparticles with better antioxidation properties as their size decreased.

Microwave-Assisted Green Synthesis and Antioxidant Activity of Selenium Nanoparticles Using Theobroma cacao L. Bean Shell Extract

“…A significant increase ( p = 0.05) in antioxidant performance was observed considering SeNPs giving rise to nanoparticles with high antioxidant potential (Figure 6C), indicating that selenium nanoparticles prepared using CBSE possess more antioxidant activity than the extract itself. A similar behaviour was reported for SeNPs synthesized with other natural extracts [51,53,74,75]. Moreover, as it can be seen in Figure 6C, the antioxidant capacity of SeNPs remained stable for 55 days and no significant differences ( p > 0.05) were observed between samples analysed at different times, despite the decrease in UV-Vis intensity already discussed.…”

Biogenic selenium nanoparticles produced by Lactobacillus casei ATCC 393 inhibit colon cancer cell growth in vitro and in vivo

“…2(a) which is consistent with previous reported absorption spectra of nano-Se. [34][35][36] Various species of the genus Lactobacillus were shown to possess the ability to synthesize nano-Se. In specific, both Lactobacillus acidophilus and Lactobacillus helveticus 10 produced nano-Se when they were exposed to NaHSeO 3 .…”

Biosynthesis of selenium nanoparticles using plant extracts

“…The diameter and morphology of SeNPs were controlled by the ratio of L-asparagine/ H 2 SeO 3 and the microwave irradiation time. Extending reaction time resulted in a higher diameter size of the obtained SeNPs and they were aggregated after 15 min of microwave treatment [36].…”

“…However, some residuals of these chemicals limit the applications of the formed SeNPs in the pharmaceutical and medicinal areas. Yu et al [36] synthesized different Se nanostructures, such as nanoball, nanotube, and multiarmed nanorods, by reducing H 2 SeO 3 with L-asparagine in polyethylene glycol solution. The reaction was supported by microwave irradiation at 100 °C.…”