Biological and Photocatalytic Activities of Silver Nanoparticles Synthesized from the Leaf Extract of Euphorbia royleana Boiss

Author:

Begum Hussan Ara1,Yaseen Sana1,Zada Amir2,Musa Muhammad1,Khan Asif34,Sheheryar 5,Alrefaei Abdulwahed Fahad6,Almutairi Mikhlid H.6,Ali Sajid7ORCID,Azmat Rafia8,Hamayun Muhammad1

Affiliation:

1. Department of Botany, Abdul Wali Khan University Mardan, Mardan, Pakistan

2. Department of Chemistry, Abdul Wali Khan University Mardan, Mardan, Pakistan

3. Department of Pharmacy, State University of Maringa, Maringa, PR Brazil

4. Department of Technology, State University of Maringa, Umuarama, PR Brazil

5. Department of Animal Sciences, Federal University of Ceará, Fortaleza, Brazil

6. Department of Zoology, College of Science, King Saud University, PO Box 2454, Riyadh 11451, Saudi Arabia

7. Department of Horticulture and Life Science, Yeungnam University, Gyeongsan, Republic of Korea

8. Department of Chemistry, University of Karachi, Karachi, Pakistan

Abstract

Introduction: Silver nanoparticles (AgNPs) have gained significance due to their practical use in the medicinal field, especially in the treatment of tumors and cancer. The current article explores a green synthetic method for the preparation of AgNPs using leaf extract of Euphorbia royleanas. Methods: The synthesis was conducted at different parameters like concentration of AgNO3, pH, salt concentration, temperature and time to optimize best results for their biochemical applications. It was validated through UV-V spectroscopy (400-450 nm) with 1:3 (concentration ratio of leaf ethanolic extract and 1 mM AgNO3 solution) at a pH value of 8 at 35oC, which were the best optimization conditions. The FTIR spectral bands showed the presence of C-N and –OH functional groups, indicating that –OH stretching and the aliphatic -C-H stretching were involved in the reduction of Ag ions. The XRD pattern showed the face-centered cubic structure of silver nanoparticles. The results of SEM revealed that AgNPs were predominantly spherical in shape, mono-dispersed, and arranged in scattered form. EDX analysis testified the presence of metallic silver along with other elements like Cl, C, and O. Results: The investigation of biochemical parameters showed that AgNPs were influential in the discoloration of dye wastewater (methylene blue ), where 80% of dye color was removed in 20 min, followed by the significant (p < 0.05) analgesic activity with an inhibition percentage of 86.45% at a dose of 500 mg/kg. Conclusion: Similarly, the antioxidant activity with the highest percent inhibition was 55.4% (p < 0.0001), shown by the AgNPs at 500 μg/mL. AgNPs showed a 30 mm zone of inhibition at 100 μl/mL against Aspergillus niger. It was concluded that AgNPs provide a baseline in medical technology for the treatment of simple to chronic diseases.

Publisher

Bentham Science Publishers Ltd.

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