Synthesis and biological assessment of silver nanoparticles using Adiantum incisum extracts.
5 affiliations
- 1Department of Botany, Abdul Wali Khan University Mardan, KP Mardan, Pakistan.
- 2Departament of Technology, Universidade Estadual de Maringa, PR, 87501-390, Umuarama, Brasil.
- 3Department of Pharmacognosy, College of Pharmacy, Najran University, Najran, 66462, Saudi Arabia.
- 4Department of Pharmaceutical Sciences, Pharmacy College, Umm Al- Qura University, Makkah, 21955, Saudi Arabia.
- 5Department of Pharmacognosy, College of Pharmacy, Najran University, Najran, 66462, Saudi Arabia. [email protected].
Abstract
Silver nanoparticles (Ag NPs) were synthesized using methanolic and ethanolic extracts of Adiantum incisum and evaluated different biological activities. The synthesis of Ag NPs was confirmed by color change and UV-vis spectroscopy absorption peak at 400-500 nm. Furthermore, optimized biosynthesis by adjusting parameters such as temperature (50-65 °C for methanolic extract and 35 °C for ethanolic extract), pH (Optimum pH 9-10), and various salt concentrations (0.2 mL NaCl showed maximum stability). Additionally, the characterization of silver nanoparticles was performed using Fourier-transform infrared spectroscopy (FTIR) which revealed the presence of functional groups involved in capping and reduction, X-ray diffraction (XRD) which confirmed the face-centered cubic crystalline structure, energy dispersive X-ray spectroscopy (EDX) confirmed the presence of elemental silver, and scanning electron microscopy (SEM) revealed monodispersed spherical particles. Similarly, the biological activities of plant extracts and synthesized silver nanoparticles were evaluated. Insecticidal assays against Tribolium castaneum showed 56.7% and 53.4% mortality for methanolic and ethanolic Ag NPs at 1000 µg/mL. Phytotoxicity tests against Lemna minor indicated 51.11% inhibition for ethanolic-extract synthesized Ag NPs, while 45.5% inhibition for methanolic-extract synthesized Ag NPs. Antioxidant activity assessed using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay revealed 85.2% inhibition for ethanolic Ag NPs and 64.96% inhibition for methanolic Ag NPs at 500 µg/mL. The analgesic potential was evaluated using the acetic acid-induced writhing test, where ethanolic silver nanoparticles demonstrated 65.2% inhibition and methanolic silver nanoparticles 61.11% inhibition at 500 µg/mL. The anti-inflammatory activity showed 79.2% inhibition for methanolic Ag NPs and 75% inhibition for ethanolic Ag NPs at 300 µg/mL. Antibacterial assays against Shigella dysenteriae and Pseudomonas aureginosa showed inhibition zone of 22 mm against S. dysenteriae and 20 mm against P. aureginosa for ethanolic Ag NPs and 22 mm against S. dysenteriae and 18 mm against P. aureginosa for methanolic Ag NPs. Antifungal activity against Aspergillus niger also showed a notable inhibition zone, where methanolic silver nanoparticles showed 14 mm and ethanolic silver nanoparticles showed 12 mm inhibition at 100 µg/mL. Furthermore, some parameters such as particle size or surface charge are the shortcomings of the study. These findings demonstrate that the biosynthesis of silver nanoparticles from A. incisum extracts exhibits significant biological activities, highlighting their potential applications in pharmaceutical and agricultural fields.
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BibTeX
@article{shuaib2026synthesis,
title = {{Synthesis and biological assessment of silver nanoparticles using Adiantum incisum extracts.}},
author = {Muhammad Aizaz Shuaib and Waheed Murad and Asif Khan and Sehrish Asad and Hussan Ara Begum and Omaish Alqahtani and Mohammed A Alshamrani and Bassam S M Al Kazman},
journal = {Discover nano},
year = {2026},
month = oct,
doi = {10.1186/s11671-026-05055-x},
url = {https://europepmc.org/article/MED/42911456},
note = {CC BY-NC-ND},
}
RIS
TY - JOUR
TI - Synthesis and biological assessment of silver nanoparticles using Adiantum incisum extracts.
AU - Muhammad Aizaz Shuaib
AU - Waheed Murad
AU - Asif Khan
AU - Sehrish Asad
AU - Hussan Ara Begum
AU - Omaish Alqahtani
AU - Mohammed A Alshamrani
AU - Bassam S M Al Kazman
PY - 2026
DA - 2026/10/22
JO - Discover nano
DO - 10.1186/s11671-026-05055-x
UR - https://europepmc.org/article/MED/42911456
AB - Silver nanoparticles (Ag NPs) were synthesized using methanolic and ethanolic extracts of Adiantum incisum and evaluated different biological activities. The synthesis of Ag NPs was confirmed by color change and UV-vis spectroscopy absorption peak at 400-500 nm. Furthermore, optimized biosynthesis by adjusting parameters such as temperature (50-65 °C for methanolic extract and 35 °C for ethanolic extract), pH (Optimum pH 9-10), and various salt concentrations (0.2 mL NaCl showed maximum stability). Additionally, the characterization of silver nanoparticles was performed using Fourier-transform infrared spectroscopy (FTIR) which revealed the presence of functional groups involved in capping and reduction, X-ray diffraction (XRD) which confirmed the face-centered cubic crystalline structure, energy dispersive X-ray spectroscopy (EDX) confirmed the presence of elemental silver, and scanning electron microscopy (SEM) revealed monodispersed spherical particles. Similarly, the biological activities of plant extracts and synthesized silver nanoparticles were evaluated. Insecticidal assays against Tribolium castaneum showed 56.7% and 53.4% mortality for methanolic and ethanolic Ag NPs at 1000 µg/mL. Phytotoxicity tests against Lemna minor indicated 51.11% inhibition for ethanolic-extract synthesized Ag NPs, while 45.5% inhibition for methanolic-extract synthesized Ag NPs. Antioxidant activity assessed using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay revealed 85.2% inhibition for ethanolic Ag NPs and 64.96% inhibition for methanolic Ag NPs at 500 µg/mL. The analgesic potential was evaluated using the acetic acid-induced writhing test, where ethanolic silver nanoparticles demonstrated 65.2% inhibition and methanolic silver nanoparticles 61.11% inhibition at 500 µg/mL. The anti-inflammatory activity showed 79.2% inhibition for methanolic Ag NPs and 75% inhibition for ethanolic Ag NPs at 300 µg/mL. Antibacterial assays against Shigella dysenteriae and Pseudomonas aureginosa showed inhibition zone of 22 mm against S. dysenteriae and 20 mm against P. aureginosa for ethanolic Ag NPs and 22 mm against S. dysenteriae and 18 mm against P. aureginosa for methanolic Ag NPs. Antifungal activity against Aspergillus niger also showed a notable inhibition zone, where methanolic silver nanoparticles showed 14 mm and ethanolic silver nanoparticles showed 12 mm inhibition at 100 µg/mL. Furthermore, some parameters such as particle size or surface charge are the shortcomings of the study. These findings demonstrate that the biosynthesis of silver nanoparticles from A. incisum extracts exhibits significant biological activities, highlighting their potential applications in pharmaceutical and agricultural fields.
SN - 2731-9229
ER -