Green synthesis of Mesona Blumes gum capped silver nanoparticles and their antioxidant, antibacterial and catalytic studies

Walaa Abdullah Sulaiman Al Yahyai; Aya Ali Sulaiman Al Isai; Mohammed F Alotibi; Bhagavanth Reddy G; Mohammed Al-Abri; Babu Pejjai; Nagaraju Devunuri; Nadavala Siva Kumar; Ahmed S. Al-Fatesh; Ahmed I. Osman; Kondaiah Seku

doi:10.1039/D3MA00091E

Green synthesis of Mesona Blumes gum capped silver nanoparticles and their antioxidant, antibacterial and catalytic studies†

Walaa Abdullah Sulaiman Al Yahyai,^a Aya Ali Sulaiman Al Isai,^a Mohammed F Alotibi,^b Bhagavanth Reddy G,

^c Mohammed Al-Abri,

^de Babu Pejjai,

^f Nagaraju Devunuri,^g Nadavala Siva Kumar,

^h Ahmed S. Al-Fatesh,

^h Ahmed I. Osman

*ⁱ and Kondaiah Seku

*^a

Author affiliations

* Corresponding authors

^a Department of Engineering, Civil Section, University of Technology and Applied Sciences, Shinas, Sultanate of Oman
E-mail: kondaiah.seku@utas.edu.om

^b Institute of Refining and Petrochemicals Technologies, King Abdulaziz City for Science and Technology (KACST), P. O. Box 6086, Riyadh 11442, Kingdom of Saudi Arabia

^c Department of Chemistry, Palamuru University P.G. Centre, Wanaparthy, Hyderabad, Telangana, India

^d Nanotechnology Research Center, Sultan Qaboos University, Muscat, Oman

^e Department of Petroleum and Chemical Engineering, College of Engineering, Sultan Qaboos University, Muscat, Oman

^f Department of Physics, Sri Venkateshwara College of Engineering, Karakambadi Road, Tirupati, India

^g Department of Chemistry, School of Applied Sciences & Humanities, Vignan’s Foundation for Science, Technology & Research (VFSTR) Deemed University, Guntur, India

^h Department of Chemical Engineering, College of Engineering, King Saud University, P. O. Box 800, Riyadh 11421, Saudi Arabia

ⁱ School of Chemistry and Chemical Engineering, Queen's University Belfast, Belfast BT9 5AG, Northern Ireland, UK
E-mail: aosmanahmed01@qub.ac.uk

Abstract

Economically viable and eco-friendly Mesona Blumes (M.B.) gum was employed to synthesize AgNPs. The synthesis parameters such as concentration of silver nitrate (AgNO₃), M.B. gum, microwave irradiation time and pH effect were optimized using a UV-visible spectrophotometer. It was observed that increasing the concentration of silver nitrate (AgNO₃), M.B. gum, and microwave irradiation time enhanced the formation of MB@AgNPs. Fourier transform infrared spectroscopy (FTIR), X-ray powder diffraction (XRD), and transmission electron microscopy (TEM) techniques were used to characterize the synthesized MB@AgNPs. The XRD results confirmed a face-centred cubic structure, whereas TEM analysis indicated spherical particles of size 10 nm ± 2 nm. The majority of AgNPs were smooth and spherical, and very few were irregular. The catalytic efficacy of the MB@AgNPs was studied in the presence of NaBH₄ for the reduction of crystal violet (CV) and rhodamine-B (Rh-B) dyes. Rh-B dye was reduced in 300 seconds, while CV dye was reduced in 280 seconds. The inhibition zones of Staphylococcus aureus, Bacillus subtilis, Escherichia coli, and Bacillus cereus for the MB@AgNPs were 14, 12, 15, and 11 mm, respectively. The DPPH radical scavenging ability of the AgNPs was assessed using a DPPH radical scavenging assay.

Materials Advances

Green synthesis of Mesona Blumes gum capped silver nanoparticles and their antioxidant, antibacterial and catalytic studies†

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Green synthesis of Mesona Blumes gum capped silver nanoparticles and their antioxidant, antibacterial and catalytic studies

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