Abstract
High antibacterial properties of green synthesized gold nanoparticles using Uncaria gambir Roxb. leaf extract and triethanolamine
Highlights
Pathogenic bacteria are bacteria that cause diseases in humans through water, food, and clothes
The formation of gold nanoparticles were confirmed using the ultra violet – visible (UV-Vis) spectrophotometer at a wavelength of 515–570 nm based on surface plasmon resonance (SPR) phenomenon
When reacted with HAuCl4, the absorption peak shifted to a wavelength of 534 nm, which confirmed the formation of gold nanoparticles, indicating that Au3+ ions have been successfully reduced to Au0 by the content of catechin in U. gambir Roxb. leaf extract
Summary
Pathogenic bacteria are bacteria that cause diseases in humans through water, food, and clothes. Instead of curing the diseases, nowadays, people prefer to prevent the bacteria infection by combining certain antibacterial agents into things such as food containers, cosmetics, clothes, and surgery kits (Abbasi et al, 2016). For this purpose, antibacterial agent development is currently gaining some attention. Some studies proposed that the antibacterial activity mechanism of metal nanoparticles relates to toxic-free metal ion which arises from the surface of nanoparticles and infiltrated into bacteria cell. These toxic metal ions were accumulated in the cell membrane and disturb
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