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Article

Characterization and Antibacterial Response of Silver Nanoparticles Biosynthesized Using an Ethanolic Extract of Coccinia indica Leaves

1
Department of Biotechnology, Faculty of Applied Sciences, AIMST University, Bedong 08100, Kedah, Malaysia
2
Institute of Nano Electronic Engineering and Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis, Kangar 01000, Perlis, Malaysia
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Department of Biological Engineering, Inha University, Incheon 402-751, Korea
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Department of Pharmaceutical Chemistry, Faculty of Pharmacy, AIMST University, Bedong 08100, Kedah, Malaysia
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Department of Microbiology, Yogi Vemana University, Kadapa-516005, India
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School of Biological Sciences, Universiti Sains Malaysia (USM), Minden Heights, Gelugor 11800, Penang, Malaysia
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School of Bioprocess Engineering, Universiti Malaysia Perlis (UNIMAP), 02600 Arau, Perlis, Malaysia
8
National Poison Centre, Universiti Sains Malaysia (USM), Gelugor 11800, Penang, Malaysia
*
Author to whom correspondence should be addressed.
Crystals 2021, 11(2), 97; https://doi.org/10.3390/cryst11020097
Received: 27 December 2020 / Revised: 20 January 2021 / Accepted: 21 January 2021 / Published: 22 January 2021
The present study was planned to characterize and analyze the antimicrobial activity of silver nanoparticles (AgNP) biosynthesized using a Coccinia indica leaf (CIL) ethanolic extract. The present study included the preparation of CIL ethanolic extract using the maceration process, which was further used for AgNP biosynthesis by silver nitrate reduction. Biosynthetic AgNPs were characterized using UV–Visible spectrometry, zeta potential analysis, transmission electron microscopy (TEM), scanning electron microscopy (SEM), atomic force microscopy (AFM), X-ray diffraction (XRD), and energy-dispersive X-ray (EDX) spectrometry. The biogenic AgNP and CIL extracts were further investigated against different bacterial strains for their antimicrobial activity. The surface plasmon resonance (SPR) signal at 425 nm confirmed AgNP formation. The SEM and TEM data revealed the spherical shape of biogenic AgNPs and size in the range of 8 to 48 nm. The EDX results verified the presence of Ag. The AgNPs displayed a zeta potential of −55.46 mV, suggesting mild AgNP stability. Compared to Gram-positive bacteria, the biogenic AgNPs demonstrated high antibacterial potential against Gram-negative bacteria. Based on the results, the current study concluded that AgNPs based on CIL extract have strong antibacterial potential, and it established that AgNP biosynthesis using CIL ethanol extract is an effective process. View Full-Text
Keywords: Coccinia indica; green synthesis; silver nanoparticle; characterization; antimicrobial Coccinia indica; green synthesis; silver nanoparticle; characterization; antimicrobial
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MDPI and ACS Style

Chinni, S.V.; Gopinath, S.C.B.; Anbu, P.; Fuloria, N.K.; Fuloria, S.; Mariappan, P.; Krusnamurthy, K.; Veeranjaneya Reddy, L.; Ramachawolran, G.; Sreeramanan, S.; Samuggam, S. Characterization and Antibacterial Response of Silver Nanoparticles Biosynthesized Using an Ethanolic Extract of Coccinia indica Leaves. Crystals 2021, 11, 97. https://doi.org/10.3390/cryst11020097

AMA Style

Chinni SV, Gopinath SCB, Anbu P, Fuloria NK, Fuloria S, Mariappan P, Krusnamurthy K, Veeranjaneya Reddy L, Ramachawolran G, Sreeramanan S, Samuggam S. Characterization and Antibacterial Response of Silver Nanoparticles Biosynthesized Using an Ethanolic Extract of Coccinia indica Leaves. Crystals. 2021; 11(2):97. https://doi.org/10.3390/cryst11020097

Chicago/Turabian Style

Chinni, Suresh V., Subash C. B. Gopinath, Periasamy Anbu, Neeraj Kumar Fuloria, Shivkanya Fuloria, Praveena Mariappan, Kishonthani Krusnamurthy, Lebaka Veeranjaneya Reddy, Gobinath Ramachawolran, Subramaniam Sreeramanan, and Sumitha Samuggam. 2021. "Characterization and Antibacterial Response of Silver Nanoparticles Biosynthesized Using an Ethanolic Extract of Coccinia indica Leaves" Crystals 11, no. 2: 97. https://doi.org/10.3390/cryst11020097

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