# Biosynthesis of Gold Nanoparticles Using Aqueous Extract of Lannea coromandelica Bark with Stabilizer Polyacrylic Acid (PAA) and Polyvinyl Alcohol (PVA)
> Wahab A.W.

URL kanonis: https://discover.unhas.ac.id/publications/biosynthesis-of-gold-nanoparticles-using-aqueous-extract-of-lannea-coromandelica
Jurnal / Konferensi: Materials Science Forum
Tahun terbit: 2022
DOI: https://doi.org/10.4028/p-kdz0w1
ISSN: 02555476
Kuartil SJR: Q4
Citations: 1

## Authors
- Wahab A.W.

## Abstract
In this research, we have succeeded in synthesizing gold nanoparticles using an aqueous extract of the bark of Lannea coromandelica . The bark of Lannea coromandelica contains many secondary metabolite chemical compounds that can be used as bioreductants. The gold nanoparticles produced were burgundy or purplish with a maximum wavelength of 528–529 nm with an absorbance of 0.298–0.364 during 5 h of storage at room temperature. The IR results showed that compounds containing O–H, C=O, and C–N groups play a role in reducing gold into nanoparticles. The obtained nanoparticles were pure gold nanoparticles with crystallite sizes by XRD characterization of 44.6 nm and 49.11 nm for AuNP-PAA and AuNP-PVA, respectively.

## Keywords
- Polyvinyl alcohol
- Polyacrylic acid
- Colloidal gold
- Materials science
- Bark (sound)
- Nuclear chemistry
- Aqueous solution
- Absorbance
- Nanoparticle
- Organic chemistry
- Chemistry
- Nanotechnology
- Chromatography
- Polymer
- Composite material
- Acoustics
- Physics

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Sumber: Discover Unhas — RIMS Universitas Hasanuddin.
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