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Abdulmaleek, Rahama Orahachi
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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In-vitro Analysis of Antimicrobial Activities of Green Synthesized Silver Oxide Nanoparticles on some Microorganisms found in Open Wound Abdulmaleek, Rahama Orahachi; Okon, Idongesit Edem; Ndukwe, George Iloegbu; Adamma, Patricia; Ekwumemgbo, E.
ASEAN Journal for Science and Engineering in Materials Vol 4, No 1 (2025): AJSEM: Volume 4, Issue 1, March 2025
Publisher : Bumi Publikasi Nusantara

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Abstract

The main barrier to open wound healing is biofilm formation on the wound by a group of microbes encapsulated in a self-produced extracellular polymeric substance with high resistance to many conventional antimicrobial therapies. There is a need for unique anti-biofilm strategies and antimicrobial agents. This study aimed to investigate the antimicrobial activities of green synthesized silver oxide nanoparticles (Ag2O-NPs) on some bacteria (Staphylococcus aureus, Bacillus subtilis, Escherichia coli, and Pseudomonas aeroginosa) and fungi (Candida albican) commonly found in open wound (In-vitro). Ag2O-NPs exhibited considerable zone of inhibition (ZOI) against the test microorganisms. The minimum inhibitory concentration of silver nanoparticles against the bacteria was 3.75 and 15 mg/mL against the bacteria and fungi, respectively. The minimum bactericidal concentration was 7.50 and 15.00 mg/mL for bacteria and fungi, respectively. Green synthesized Ag2O-NPs exhibited some antimicrobial activities, which can aid in wound healing.
In-vitro Analysis of Antimicrobial Activities of Green Synthesized Silver Oxide Nanoparticles on some Microorganisms Found in Open Wound Abdulmaleek, Rahama Orahachi; Okon, Idongesit Edem; Ndukwe, George Iloegbu; Adamma, Patricia; Ekwumemgbo, E.
ASEAN Journal for Science and Engineering in Materials Vol 4, No 2 (2025): (ONLINE FIRST) AJSEM: Volume 4, Issue 2, September 2025
Publisher : Bumi Publikasi Nusantara

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Abstract

The main obstacle to open wound healing is the formation of biofilms that are resistant to antimicrobial therapy. The use of silver nanoparticles, with their healing properties and broad antimicrobial effects, offers a new solution for wound infection control. This study aimed to investigate the antimicrobial activities of green-synthesized silver oxide nanoparticles (Ag2O-NPs) against bacteria (Staphylococcus aureus, Bacillus subtilis, Escherichia coli, and Pseudomonas aeruginosa) and fungi (Candida albicans) commonly found in open wounds in vitro. Ag2O-NPs showed significant zones of inhibition against the tested microorganisms. The minimum inhibitory concentration (MIC) values for bacteria were 3.75 mg/cm³ and 15 mg/cm³ for fungi, while the minimum bactericidal concentration (MBC) was 7.50 mg/cm³ for bacteria and 15.00 mg/cm³ for fungi. The results indicate that green-synthesized Ag2O-NPs possess antimicrobial activity, which could aid in wound healing.
Co-Authors Adamma, Patricia Ekwumemgbo, E. Ndukwe, George Iloegbu Okon, Idongesit Edem