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Evaluation of the antibacterial potential of silver nanoparticles synthesized through the interaction of antibiotic and aqueous callus extract of Fagonia indica

Abstract Fagonia indica is a widely known medicinal plant. The extracts of Fagonia species contain secondary metabolites such as flavonoids, phenolic compounds, and terpenoids. Silver nanoparticles are known for antibacterial properties. In this study, AgNPs were synthesized using the callus extract... Full description

Main Author: Muhammad Adil
Contributors: Tariq Khan
Muhammad Aasim
Ayaz Ali Khan
Muhammad Ashraf
Contained in: AMB Express (01.05.2019)
Journal Title: AMB Express
Fulltext access: Fulltext access (direct link - free access) 10.1186/s13568-019-0797-2
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Links: Additional Link (dx.doi.org)
Additional Link (doaj.org)
Additional Link (link.springer.com)
Fulltext access (doaj.org)
ISSN: 2191-0855
DOI: 10.1186/s13568-019-0797-2
Language: English
Physical Description: Online-Ressource
ID (e.g. DOI, URN): 10.1186/s13568-019-0797-2
PPN (Catalogue-ID): DOAJ044002653
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520 |a Abstract Fagonia indica is a widely known medicinal plant. The extracts of Fagonia species contain secondary metabolites such as flavonoids, phenolic compounds, and terpenoids. Silver nanoparticles are known for antibacterial properties. In this study, AgNPs were synthesized using the callus extract of F. indica as a reducing agent. Characterization through different techniques suggests that the AgNPs absorbed light and gave SPR peaks at 414 nm while in case of ciprofloxacin supplemented callus mediated AgNPs the peak were recorded at 419 nm. Furthermore, FTIR analysis revealed the role of amides, acyl group, nitro group of callus extract of F. indica, and some functional groups of the ciprofloxacin in the reduction process as well as the capping and stabilization of AgNPs. Similarly, X-Ray Diffraction analysis indicate the structure of AgNPs as face-centered cubic crystalline particles. The antibacterial activity of AgNPs and ciprofloxacin and callus extract as control against resistant bacteria such as Escherichia coli, Citrobacter amalonaticus, Shigella sonnei, and Salmonella typhi was studied. The combination of AgNPs and antibiotic showed better antibacterial activity as compared to AgNPs alone and ciprofloxacin alone. Maximum inhibition zone of E. coli, C. amalonaticus, S. sonnei, and S. typhi in response to AgNPs and ciprofloxacin was 38.5 mm, 35.5 mm, 33 mm, and 35.5 mm, respectively. It can, therefore, be suggested that the AgNPs along with Ciprofloxacin might have worked in interaction and resulted in better antibacterial activity against all the tested pathogens. 
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