Abstract
Background The green synthesis consists of an environmentally friendly method of producing gold nanoparticles (AuNP’s). Physical and chemical syntheses have energy intensive and may involve toxic chemicals, while biological techniques are cost-effective, clean, non-toxic and environmentally appropriate. Virola oleifera is widely used in folk medicine. The bark of the trunk when scraped produce a resin rich in phenolic compounds, which is used against bleeding hemorrhoids, cramping, and also has healing action of chronic wounds and ulcers, diarrhea and counter hemoptysis. It is known that the presence of phenolic extract gives the reducing action, but studies need to be done to understand what substances are involved and what the mechanisms of formation of newly synthesized nanoparticles. Thus, the aim of this study was to describe a new route for the synthesis of AuNP’s using resin of Virola oleifera with future application in nanoscience from the synthesis of nanoparticles for applications as nano biosensors.
Highlights
The green synthesis consists of an environmentally friendly method of producing gold nanoparticles (AuNP’s)
Virola oleifera is widely used in folk medicine
To prepare nanoparticles, was used the gold precursor solution (HAuCl4 with 2,5x10-4 M) and as reducer agent the resin lyophilized of Virola oleifera (1mg/mL), both dillueted in distilled water
Summary
The green synthesis consists of an environmentally friendly method of producing gold nanoparticles (AuNP’s). Physical and chemical syntheses have energy intensive and may involve toxic chemicals, while biological techniques are cost-effective, clean, non-toxic and environmentally appropriate. The bark of the trunk when scraped produce a resin rich in phenolic compounds, which is used against bleeding hemorrhoids, cramping, and has healing action of chronic wounds and ulcers, diarrhea and counter hemoptysis. It is known that the presence of phenolic extract gives the reducing action, but studies need to be done to understand what substances are involved and what the mechanisms of formation of newly synthesized nanoparticles. The aim of this study was to describe a new route for the synthesis of AuNP’s using resin of Virola oleifera with future application in nanoscience from the synthesis of nanoparticles for applications as nano biosensors
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