4.7 Article

Maize Silk Biogenic Nanoceria (CeO2NPs) Enhanced Sequential Injection-Chemiluminescence Detection of Ferulic, Sinapic and p-Coumaric in Yellow Maize Kernels

Journal

PLANTS-BASEL
Volume 11, Issue 7, Pages -

Publisher

MDPI
DOI: 10.3390/plants11070885

Keywords

Zea mays; maize silk; biogenic green synthesis; phenolic compounds; nanoceria (CeO(2)NPs); SIA chemiluminescence

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Funding

  1. Deanship of Scientific Research at Umm Al-Qura University [22UQU4350043DSR03]

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The current study shows the potential of using maize silk as a platform for the biosynthesis of cerium oxide nanoparticles, which exhibit strong scavenging potential and can be used to detect phenolic compounds with great sensitivity.
The current study demonstrated the capability of using maize silk as a green, simple, clean, safe, and cost-effective platform for the biosynthesis of cerium oxide (CeO(2)NPs). Several spectroscopic and microscopic analyses were employed to characterize the resulted biogenic nanoceria. When the concentration of the CeO(2)NPs was elevated from 25 to 100 ug mL(-1), the CeO(2)NPs exhibited strong scavenging potential ranging from 60.21 to 75.11% and 56 to 77% for 1,1-dipheny1-2-picrylhydrazyl (DPPH.) and 2-2'-azino-bis(3-ethyl benzothiazoline-6-sulphonic acid) (ABTS) tests, respectively. The quantitative determination of ferulic, sinapic, and p-coumaric acids was carried out using an eco-friendly, cost-effective, and optimized ultrasensitive nanoceria enhanced sequential injection-chemiluminescence (SIA-CL) system. The highest amount was presented by the ferulic acid (1636 +/- 2.61 ug/g(dw)), followed by p-coumaric acid (206 +/- 1.12 ug/g(dw)) and sinapic acid (123 +/- 2.15 ug/g(dw)). The intrinsic capabilities of the biogenic CeO(2)NPs in enhancing the developed system reveal its potential role in detecting phenolic compounds with great sensitivity.

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