Abstract
Today, nanoparticles are effectively used in different areas. Initially, physical and chemical methods were used in the synthesis of nanoparticles. Biosynthesis (green synthesis) has emerged as an alternative to overcome the toxic effects of chemically synthesized nanoparticles. In this study, green synthesis of silver nanoparticles (AgNPs) with the leaf extract of Anthurium andraeanum was performed. UV-Vis spectrophotometry, scanning transmission electron microscopy, and XRD were applied to characterize the biosynthesized nanoparticles. As a result of the characterization, the spectra showed that a spectrum at a wavelength of about 419 nm and a spherical size of 38 nm nanoparticles was formed. Antibacterial and biofilm inhibition activities of AgNPs against gram-positive and gram-negative bacteria were determined. AgNPs at a concentration of 1 mg/mL showed antibacterial activity against all of the bacterial strains. In the antibiofilm activity study, the highest inhibition percentage was obtained against the P. fluorescens strain at 87.1%, at a concentration of 0.5 mg/mL.
Highlights
Nanotechnology and nanoparticles are increasingly recognized for their applications in aerospace engineering, nanoelectronics, environmental improvement, medical health, and consumer products [1,2]
When A. andraeanum leaf extract was added to AgNO 3 aqueous solution, the Ag + ions were reduced to AgNPs
The UV-Vis absorption spectrum of the AgNPs in the presence of A. andraeanum leaf extract is shown in Figure 1, where it can be seen that the absorption spectrum of the AgNPs that formed in the reaction medium had an absorbance peak at 419 nm
Summary
Nanotechnology and nanoparticles are increasingly recognized for their applications in aerospace engineering, nanoelectronics, environmental improvement, medical health, and consumer products [1,2]. Unique nanometallic particles can significantly alter physical, chemical, and biological properties due to their surface/volume ratios. These nanoparticles have been used for various purposes [4]. Various methods have been adopted for the synthesis of nanoparticles. Prepared AgNPs show high yield, solubility, and stability [6]. Biological agents such as plant extracts, bacteria, fungi and yeasts without chemical toxicity can be used for the synthesis of AgNPs. Biological agents such as plant extracts, bacteria, fungi and yeasts without chemical toxicity can be used for the synthesis of AgNPs This is a safe choice for both applications [7]. In recent years, such studies have been frequently encountered and are rapidly evolving to become an approach linking nanotechnology and biotechnology
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