Colorimetric detection of metal ions using green-synthesized silver nanoparticles

Abstract

Generally, the analysis of metal ions uses expensive and tedious techniques and involving complicated devices. Here, we developed a colorimetric-based detection of metal ions using green-synthesized of PVA-stabilised silver nanoparticles (AgNPs), which is simple and low cost. The linearity and sensitivity of AgNPs in detecting metal ions were determined from the absorbance and shifting of local surface plasmon resonance (LSPR) band in the visible range. The detection was carried out on Cu(II), Pb(II), Cd(II), Zn(II), and Mn(II). The most sensitive response was obtained on Cu(II) ions, among the five ions tested. The response showed a good linearity (R2 = 0.9886) in the range of 0.2-1.4 ppm of Cu(II). Meanwhile, the sensitivity on Cu(II) resulted in the limit of detection and the limit of quantitation of 0.1609 mg.L−1 and 0.5179 mg.L−1, respectively.

Sintesis Cepat Nanopartikel Perak dengan Irradiasi Gelombang Mikro dan Aplikasinya sebagai Antibakteri pada Kain Katun

“…Nanopartikel perak (NPP) telah banyak dikembangkan dan diaplikasikan untuk berbagai keperluan, misalnya untuk pembuatan sensor [1]- [4] , sebagai antimikroba [5]- [7] , katalis [8] , dan lain-lain. NPP ini dapat disintesis melalui beberapa cara, salah satunya adalah dengan metode reduksi kimia.…”

Salophen Anchored Silver Nanoparticle as Nanoprobe Designed for Selective Sensing and Antibacterial Activity

“…[7] Several AgNPs-based colorimetric as well as spectroscopic analysis have been developed in order to detect heavy transition metal ions such as Cd 2 + , Cu 2 + , Pb 2 + , Fe 2 + , Hg 2 + , Mn 2 + , Ni 2 + , Pb 2 + and Zn 2 + , which are reported to be powerful ecological pollutants causing various cataclysms even at their trace ppm level concentrations. [8][9][10][11][12][13] In recent times, living beings are very much exposed to the highest levels of heavy and toxic metal ions due to the widespread industrialization, incineration of waste materials and fuels. As heavy metals are non-biodegradable, their gathering in the environment causes serious health risks when they enter into the body through food chain resulting in bioaccumulation and biological disorders.…”

“…Upon distortion of this electronic oscillation by an external factor, the color may undergo change owing to interparticle plasmon incorporation resulting a shift in the LSPR absorption band, which may be considered as the basis of colorimetric analysis [7] . Several AgNPs‐based colorimetric as well as spectroscopic analysis have been developed in order to detect heavy transition metal ions such as Cd 2+ , Cu 2+ , Pb 2+ , Fe 2+ , Hg 2+ , Mn 2+ , Ni 2+ , Pb 2+ and Zn 2+ , which are reported to be powerful ecological pollutants causing various cataclysms even at their trace ppm level concentrations [8–13] . In recent times, living beings are very much exposed to the highest levels of heavy and toxic metal ions due to the widespread industrialization, incineration of waste materials and fuels.…”

Selective Colorimetric Detection of Mercury(II) using Silver Nanoparticles-Chitosan

“…The colorimetric method is easier and more practical because the measurement result can be observed visually based on a color change. In addition, colorimetric sensors allow realtime qualitative and quantitative analyses (Chen, Han, Yang, & Pu, 2017;Firdaus et al, 2017;Taufiq, Eden, Sumarni, & Alauhdin, 2021).…”

“…One of the metal nanoparticles that is widely applied in colorimetric sensors is silver nanoparticles (AgNPs). Several AgNPs-based colorimetric assays have been developed for the detection of metal ions, such as Hg(II) (Firdaus et al, 2017), Cu(II) (Taufiq et al, 2021), Pb(II) (Shrivas et al, 2019), Mn(II) (He, & Zhang, 2016), and Zn(II) ions (Lee et al, 2016). In addition, AgNPs have also been applied to the colorimetric sensing of hydrogen peroxide (Rizqi & Alauhdin, 2021;H.…”