The present study was aimed to synthesize silver nanoparticles (AgNPs) from the aqueous extracts of Odontosoria chinensis (L.) J. Sm. and the synthesized AgNPs were examined for their biopotentials. The Odontosoria chinensis extracts were added to 1 mM AgNO3 solution with different ratios viz., 0.5:9.5, 1:9, 1.5:8.5 and 2:8 ratios for the reduction of Ag ions. After reduction, the AgNPs of Odontosoria chinensis were analyzed spectroscopically for further confirmation. The synthesized AgNPs of Odontosoria chinensis were characterized by pH, ultra violet–visible spectroscopy (UV-Vis), Fourier transform–infra red spectroscopy (FT-IR), scanning electron microscopy-energy dispersive X-ray analysis (SEM-EDAX) and X-Ray diffraction (XRD). The time taken for the complete reduction of Silver (Ag) in solution to nanoparticle was 10 min. The O. chinensis aqueous extracts mediated silver nanoparticles showed a broad peak with distinct absorption at around 400–420 nm and confirmed the silver nanoparticle formation. FT-IR results also confirmed the existence of organic materials in the silver nanoparticles of O. chinensis. The EDX spectra of AgNPs of O. chinenesis revealed the occurrence of a strong Ag peak. The synthesis of AgNPs of O. chinenesis was confirmed with the existence of a peak at 46.228°. The toxic potential of AgNPs of O. chinenesis showed varied percentage mortality with the LC50 values of 134.68 μL/ 50 mL and 76.5 μL/50 mL, respectively. The anti-inflammatory and anti-diabetic activities of aqueous and AgNPs of O. chinenesis were statistically significant at p < 0.05 level. Conclusion: The results demonstrated the toxicity, anti-diabetic and anti-inflammatory potential of the studied AgNPs. The synthesized nanoparticles of Odontosoria chinensis could be tested as an alternative to anticancer, anti-diabetic and anti-inflammatory drugs.
Background::
Chemical synthesis methods are adverse in the medicinal field as they produce toxic in the surface whereas green synthesis provide advancement as well as they are cost effective, environment friendly, can be easily scaled up for large scale synthesis. Silver and silver nanoparticles have an important application in the medical industry such as tropical ointments which are used to prevent infection against burn and open wounds. There is no report on the green synthesis from Phlebodium aureum (L.) J. Smith.
Objective::
The present study was aimed to synthesize silver nano-particles using Phlebodium aureum (L.) J. Smith extracts by green approach and to screen their cytotoxicity.
Methods::
The synthesized AgNPs of P. aureum were characterized by FT-IR, SEM and XRD. The cytotoxicity of the aqueous extracts and AgNPs of P. aureum were determined.
Results::
The silver nanoparticle synthesis was confirmed by color change from yellow to dark brown and absorption peak at 460 nm. FT-IR analysis confirmed the capping by proteins and other metabolites. XRD analysis confirmed the existence of silver nanaoparticles with a peak at 46.253°. The dose dependent cytotoxicity was observed in the aqueous and silver nanoparticles of P.aureum.
Conclusion::
The present study gave a simple and cheap route to synthesize the AgNPs using aqueous extracts of P. aureum. The studied extracts of P. aureum can be considered as a promising candidate for a plant-derived anti-tumour compound.
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