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<p>Green-synthesised silver nanoparticles prepared using plant extract have great significance in medicine. In the present study, a simple, and eco-friendly procedure was employed for preparing silver nanoparticles (AgNPs) using <i>Alternanthera sessilis</i> leaf extract. The average hydrodynamic diameter of AgNPs was determined as 185&#xa0;nm with a zeta potential value of -19.3 mV. Under the transmission electron microscope (TEM), AgNPs appeared to possess a spherical structure. UV-visible spectrum of AgNPs showed maximum absorption at 420&#xa0;nm. AgNPs have proven to exhibit antibacterial activity against <i>Escherichia coli</i>. The viability of NIH3T3 cells incubated with AgNPs was assessed using MTT assay, which revealed the cytocompatible nature of the nanoparticles. Haemolytic assay carried out using human red blood cells proved the haemocompatible nature of AgNPs. Prolonged exposure to triethylamine (TEA) can lead to adverse health effects. Developing a simple method for TEA detection will be significant, as it is extensively used for various industrial applications. In the present study, a spontaneous change in colour (yellow to dark brown) of AgNPs solution was recorded, when the nanoparticles were added to different concentrations (0.01 mM – 0.1 mM) of TEA.</p> Graphical Abstract <p></p>

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A novel approach for triethylamine detection using silver nanoparticles synthesized using Alternanthera sessilis leaf extract

  • 期刊论文

  • 发表日期：

    2026年2月28日

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  • Mohideen Arafath Mohammed,
  • Weslen Vedakumari Sathyaraj,
  • Lokesh Prabakaran,
  • Priya Vadhana Palanisamy,
  • Yovan Raja Pravin

摘要

Green-synthesised silver nanoparticles prepared using plant extract have great significance in medicine. In the present study, a simple, and eco-friendly procedure was employed for preparing silver nanoparticles (AgNPs) using Alternanthera sessilis leaf extract. The average hydrodynamic diameter of AgNPs was determined as 185 nm with a zeta potential value of -19.3 mV. Under the transmission electron microscope (TEM), AgNPs appeared to possess a spherical structure. UV-visible spectrum of AgNPs showed maximum absorption at 420 nm. AgNPs have proven to exhibit antibacterial activity against Escherichia coli. The viability of NIH3T3 cells incubated with AgNPs was assessed using MTT assay, which revealed the cytocompatible nature of the nanoparticles. Haemolytic assay carried out using human red blood cells proved the haemocompatible nature of AgNPs. Prolonged exposure to triethylamine (TEA) can lead to adverse health effects. Developing a simple method for TEA detection will be significant, as it is extensively used for various industrial applications. In the present study, a spontaneous change in colour (yellow to dark brown) of AgNPs solution was recorded, when the nanoparticles were added to different concentrations (0.01 mM – 0.1 mM) of TEA.

Graphical Abstract