Green synthesis of silver nanoparticles using <i>Carica Papaya</i> fruit extract under sunlight irradiation and their colorimetric detection of mercury ions

Firdaus, M. Lutfi; Andriana, S; Elvinawati,; Alwi, Wiwit; Swistoro, Eko; Ruyani, Aceng; Sundaryono, Agus

doi:10.1088/1742-6596/817/1/012029

Cited by 24 publications

(13 citation statements)

References 19 publications

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“…61 Prem Jose Vazhacharickal et al (2015) synthesized AgNPs using Curry leaf (Murraya koenigii) as the reducing and capping agent, which exhibited good antibacterial activity. 62 M. Firdaus et al (2017) reported the synthesis of AgNPs using aqueous fruit extract from (Carica papaya) papaya as the reductant under sunlight irradiation without additional capping agents. The AgNPs were characterized via UV-vis spectrophotometry and FTIR spectroscopy.…”

Section: Synthesis Of Agnps From Plantsmentioning

confidence: 99%

Facile green synthesis and applications of silver nanoparticles: a state-of-the-art review

2019

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Section: Synthesis Of Agnps From Plantsmentioning

confidence: 99%

Facile green synthesis and applications of silver nanoparticles: a state-of-the-art review

2019

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“…18,19 Fruit extracts, which have heteroaromatic rings and hydroxyl, carbonyl and carboxyl groups, act as reducing as well as stabilizing agents in AgNP synthesis. 20,21 Here we present and discuss the first report of AgNP biosynthesis using water apple (Syzygium aqueum) fruit extract as a replacement to toxic chemical substances and its application for Hg(II) colorimetric detection. Water apple belongs to a species of brush cherry tree and is found in tropical countries.…”

Section: Introductionmentioning

confidence: 99%

Colorimetric Detection of Mercury(II) Ion in Aqueous Solution Using Silver Nanoparticles

et al. 2017

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Novel green-chemistry synthesis of silver nanoparticles (AgNPs) is introduced as a low-cost, rapid and easy-to-use analytical method for mercury ion detection. Aqueous fruit extract of water apple (Syzygium aqueum) was used for the first time as bioreductant to synthesize stable AgNPs. The prepared AgNPs have a yellowish-brown color with a surface plasmon resonance peak at 420 nm. The addition of Hg(II) ions then changes the AgNPs color to colorless. The color change was in proportion to the concentration of Hg(II) ions. The presence of other metal ions in the system was also evaluated. The proposed method shows good selectivity and sensitivity towards Hg(II) ions. Using UV-visible spectrophotometry, the detection limit of the developed method was 8.5 × 10 -7 M. The proposed method has been successfully applied for determination of Hg(II) ions in tap and lake water samples with precision better than 5%.

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“…The post-processing of the digital image was initially done using a personal computer with software such as Photoshop (Adobe Inc., San Jose, CA, USA) for cropping and adjustment, MATLAB (MathWorks) for RGB color value extraction and Android Studio (Google Inc., Mountain View, CA, USA) for building the smartphone application. More detailed procedures have been published elsewhere [8,26,[28][29][30].…”

Section: Image Acquisition and Paper-based Analytical Device (Pad) Prmentioning

confidence: 99%

“…Most of the colorimetry methods for mercury quantification can only achieve a detection limit (LOD) comparable to that of a visible spectrophotometer, which is in the sub-ppm range, with visible color changes starting from 20 ppm or above [26,[28][29][30]. However, the threshold of mercury in drinking water allowed by the US Environmental Protection Agency (EPA) is 2 ppb [31,32], which is two orders of magnitude lower than the detection limit achieved by most colorimetry and spectrophotometry methods.…”

Section: Improving the Sensitivity And Portability Of Digital Image-bmentioning

confidence: 99%

“…However, organic ligands are toxic and less selective to specific metal targets. Recently, many researchers have developed noble metal nanoparticles as color probes to detect mercury ions [21][22][23][24]. Gold and silver nanoparticles have several advantages over organic ligands to make colorless metals colorful, such as better sensitivity, greater selectivity to a specific metal's target and lower toxicity.…”

Section: Introductionmentioning

confidence: 99%

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Smartphone Coupled with a Paper-Based Colorimetric Device for Sensitive and Portable Mercury Ion Sensing

et al. 2019

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The rapid development of information and communication technology provides an opportunity for scientists to develop a quantitative analytical method that is built on a mobile gadget as a detector. In this paper, we report a low-cost, simple and portable analytical method for mercury ion quantification based on digital image colorimetry coupled with a smartphone application. A small amount of silver nanoparticles (AgNPs) was used as a colorimetric agent that is selective only to mercury ions. The yellowish brown color of AgNPs instantly changed to colorless after the addition of mercury ions due to a redox reaction. To increase the portability, we attached the AgNPs onto a medium to create a paper-based analytical device. The final data processing of the colorimetric analysis was conducted using an android application available on the Google Play Store, called "Mercury Detector". The proposed method has good sensitivity, with a detection limit of 0.86 ppb, which is comparable to those of bulk and more expensive instruments. This allows for the detection of mercury ions as low as 2 ppb (10 nM), which is also the maximum contaminant level permitted in drinking water by the US Environmental Protection Agency. The proposed method was applied to real samples that provide satisfactory results on accuracy (2.4%) and precision (2.5%).

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Green synthesis of silver nanoparticles using Carica Papaya fruit extract under sunlight irradiation and their colorimetric detection of mercury ions

Cited by 24 publications

References 19 publications

Facile green synthesis and applications of silver nanoparticles: a state-of-the-art review

Facile green synthesis and applications of silver nanoparticles: a state-of-the-art review

Colorimetric Detection of Mercury(II) Ion in Aqueous Solution Using Silver Nanoparticles

Smartphone Coupled with a Paper-Based Colorimetric Device for Sensitive and Portable Mercury Ion Sensing

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