Use of aqueous extract of Pseuderanthemum acuminatissimum Radlk leaves to mediate the synthesis of gold nanoparticles and their anti eschericia coli activity

S. Salprima Yudha, Totok Eka Suharto, Eka Angasa, Yuta Nishina, Zulfikri Achid Mardlia, Sipriyadi

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

This research provides a new route to obtain gold nanoparticles (AuNPs) using an aqueous extract of air-dried Pseuderanthemum acuminatissimum Radlk leaves. The extract was used as a reducing agent in the formation of metallic gold from gold ions, and acted as a stabilizer of the obtained AuNPs in the reaction mixture. The formation of AuNPs in aqueous extract of P. acuminatissimum Radlk leaves was validated by change in color and the appearance of surface plasmone resonance (SPR) peak at 552 nm. The average size of the gold nanoparticles was 63 nm, and irregular shapes were observed in the reaction mixture. Fourier transform infrared spectroscopy (FT-IR) reveals the presence of organic compound containing hydroxyl functional groups in the air-dried P. acuminatissimum Radlk leaves, which predicted to be the most responsible for the reduction of gold ions to form metallic gold. The antibacterial properties of the gold nanoparticles were studied using Escherichia coli (ATCC 8739 TM∗) strain; the AuNPs significantly inhibited the growth of E. coli indicated by a slight increase in the size of the inhibition zone as the volume of added nanocolloid was increased. Therefore, the present study indicated the promising of green synthesis of AuNPs using biological agents and as a potential material to inhibit the bacterial growth.

Original languageEnglish
Pages (from-to)745-751
Number of pages7
JournalOriental Journal of Chemistry
Volume32
Issue number2
DOIs
Publication statusPublished - 2017

Fingerprint

Gold
Nanoparticles
gold
Escherichia coli
Air
Ions
ion
Reducing Agents
Biological Factors
air
Fourier Transform Infrared Spectroscopy
Growth
nanoparticle
FTIR spectroscopy
Organic compounds
Hydroxyl Radical
Functional groups
functional group
organic compound
Color

Keywords

  • Escherichia coli
  • Gold nanoparticles
  • Inhibition capacity
  • Pseuderanthemum acuminatissimum Radlk

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry
  • Biochemistry
  • Drug Discovery

Cite this

Use of aqueous extract of Pseuderanthemum acuminatissimum Radlk leaves to mediate the synthesis of gold nanoparticles and their anti eschericia coli activity. / Yudha, S. Salprima; Suharto, Totok Eka; Angasa, Eka; Nishina, Yuta; Mardlia, Zulfikri Achid; Sipriyadi.

In: Oriental Journal of Chemistry, Vol. 32, No. 2, 2017, p. 745-751.

Research output: Contribution to journalArticle

Yudha, S. Salprima ; Suharto, Totok Eka ; Angasa, Eka ; Nishina, Yuta ; Mardlia, Zulfikri Achid ; Sipriyadi. / Use of aqueous extract of Pseuderanthemum acuminatissimum Radlk leaves to mediate the synthesis of gold nanoparticles and their anti eschericia coli activity. In: Oriental Journal of Chemistry. 2017 ; Vol. 32, No. 2. pp. 745-751.
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