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Eco‐Friendly Approach to Synthesize Selenium Nanoparticles: Photocatalytic Degradation of Sunset Yellow Azo Dye and Anticancer Activity
Author(s) -
Hassanien Reda,
AbedElmageed Amro A. I.,
Husein Dalal Z.
Publication year - 2019
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201901267
Subject(s) - fourier transform infrared spectroscopy , photocatalysis , scanning electron microscope , materials science , nuclear chemistry , transmission electron microscopy , nanoparticle , photoluminescence , photochemistry , analytical chemistry (journal) , chemical engineering , nanotechnology , chemistry , organic chemistry , optoelectronics , catalysis , engineering , composite material
This report has two principal goals. First, to synthesis Se nanoparticles (Se‐NPLs) via a green approach. Secondly, to explore the photocatalytic activity of Se‐NPLs towards the decolorization of sunset yellow (SSY) azo‐dye and to test its activity against some types of human cancers. Green synthesis of Se‐NPLs from the leaf extracts of Drumstick was developed. Bio‐synthesized Se‐NPLs were characterized using FTIR, UV‐vis, photoluminescence (PL), X‐ray powder diffraction (XRD), scanning electron microscopy (SEM), energy dispersive analysis X‐ray (EDAX) and transmission electron microscopy (TEM) analyses. The UV‐vis absorption maximum between 200 and 400 nm was due to the formation of SPR of Se‐NPLs. FTIR revealed the Se‐NPLs were synthesized, capped and stabilized with bio‐molecules present in the plant extracts. Se‐NPLs exhibited an excitation peak at 399 nm and produced an emission peak at 599 nm. EDAX profile provided a signal of atomic Se (1.45 Kev). XRD confirmed the crystalline nature of Se‐NPLs. SEM and TEM observations show that spherical Se particles appeared with diameters ranging from 23 to 35 nm. A possible mechanism of the reduction of (SeO 3 2− ) to (Se 0 ) was discussed. The electrical conductivity was measured with temperature and the activation energy was calculated. The photocatalytic study conducted that Se‐NPLs have the efficiency to degrade sunset yellow dye and the mechanism of degradation has been proposed. Se‐NPLs have been shown to be effective against three types of human cancers (Caco‐2 cells, HepG2 cells, and Mcf‐7 cells). Se‐NPLs are potent anticancer and inhibit the growth of the three cancer cells as indicated by the IC 50 values. To conclude, the green‐synthesized Se‐NPLs may be a candidate for further evaluation as a chemotherapeutic agent for some human cancer treatment.