Green synthesized nanospherical silver for selective and sensitive sensing of Cd<sup>2+</sup>colorimetrically

Balakumar, Vellaichamy; Prakash, P.

doi:10.1039/c6ra04381j

Cited by 21 publications

(2 citation statements)

References 39 publications

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“…Along with this, silver nanoparticles synthesized through natural products have shown potent antioxidant (Ali et al, 2012) and catalytic properties (Balakumar et al, 2017;Vellaichamy and Periakaruppan, 2016 a, c). Silver nanoparticles are also known for their wound healing properties specifically green synthesized silver nanopar-mari et al, 2016;Lukman et al, 2011;Narayanan and Sakthivel, 2011;Saravanan et al, 2018;Sathishkumar et al, 2009;Singh et al, 2016a, b;Vellaichamy and Periakaruppan, 2016b).…”

Section: Introductionmentioning

confidence: 99%

Versatile biomedical potential of biosynthesized silver nanoparticles from Acacia nilotica bark

Arya¹,

Kumari²,

Pundir³

et al. 2019

J Appl Biomed

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The present study reports the development of potent silver nanoparticles (AgNPs) using bark extract of Acacia nilotica and evaluation of its wound healing, anti-biofilm, anti-cancer and anti-microbial activity. Stable, small sized nanoparticles with spherical morphology were obtained after significant optimization studies that was evaluated through UV-visible spectroscopy. Thereafter, physicochemical characterization of biosynthesized AgNPs was carried out through DLS and FESEM for evaluation of size. EDAX and FTIR were carried out for the evaluation of composition and possible functional groups involved in the reduction and capping of AgNPs. The antibacterial potential was investigated through disc diffusion assay against Escherichia coli (E. coli) and Pseudomonas aeruginosa (P. aeruginosa). Further, the Congo Red Assay (CRA) successfully revealed the anti-biofilm activity against Bacillus subtilis (B. subtilis), Staphylococcus aureus (S. aureus), Proteus vulgaris (P. vulgaris), Pseudomonas aeruginosa (P. aeruginosa). Alamar blue assay was conducted in A549 cells to reveal the remarkable anticancer activity of biosynthesized AgNPs that resulted in a very appreciable manner. Further, the wound healing activity of AgNPs can heal the excised wound of mice up-to 100% within 15 days. All these studies suggested that our biosynthesized AgNPs possess versatile biomedical application. Highlights:• Development of potent silver nanoparticles using bark extract of Acacia nilotica.• Characterized the ANB-AgNPs via UV, DLS, FTIR, FESEM and EDAX. • Evaluated of antibacterial and antibiofilm potential of ANB-AgNPs. • Evaluated the anticancer and wound healing potential of ANB-AgNPs.

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Section: Introductionmentioning

confidence: 99%

Versatile biomedical potential of biosynthesized silver nanoparticles from Acacia nilotica bark

Arya¹,

Kumari²,

Pundir³

et al. 2019

J Appl Biomed

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“…. B.Vellaichamy et al (2014) used Simaroubaglauca, Crataevareligiosa, Bombaxceiba, and Madhucalongifolia (MLF) leaf extract as a reducing and capping agent to synthesize AgNPs and examined for decontamination of hazardous pollutants, 4-hydroxynitrobenzene and 4nitrophenylamine, catalyzed dedying of industrial effluents and selective and sensitive sensing of Cd2+ and saturnism (lead poisoning) colorimetrically[94,95,96,97]. Velmurugan et al in 2015 made AgNPs utilizing peanut shell extract and associated their antifungal activity[98].…”

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confidence: 99%

Bio-Mediated Synthesis of Nanomaterials for Electrochemical Sensor Applications

Balakumar¹,

Kumar²

2021

Materials Research Foundations

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The bio-mediated nanomaterials have expected growing responsiveness due to an increasing requirement to develop naturally nonthreatening technologies in nanomaterial synthesis. Biotic ways to prepare nanomaterials through extracts from the plant (includes stems, leaves, flowers, and roots) and microorganisms were recommended as likely replacements for physical and chemical routes due to their solvent medium and environment eco-friendliness and nontoxicity. This chapter focuses on electrocatalyst prepared by various bio-mediated synthetic ways and used as a green and eco-friendly electrocatalyst to recognize extensive chemical and biologically essential molecules with improved selectivity and sensitivity with low detection limit. The bio-mediated nanocomposite formation processes and their unique properties surface functionalization and electron transfer mechanism discussed in connection with the design and fabrication of sensors. As a final point, the encounters and prospects in developing bio-mediated nanomaterials-based electrochemical sensing technology was outlined.

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Green Synthesized Nanomaterial‐based Colorimetric Sensors for Detection of Environmental Toxicants

2021

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Nanotechnology has emerged as a significant tool in various fields of science. Synthesis of metal nanoparticles using physical and chemical methods are based on the use of toxic chemicals which have deleterious effect on the environment. To overcome the limitations of chemical methods, green synthesis provides an eco‐friendly and inexpensive alternative path for the synthesis of metal nanoparticles. Since nature provides a variety of products in the form of plants, bacteria, fungi and biopolymers which serve the purpose in a safer way, green resources like plant extracts, certain bacteria, fungus and biopolymers have been used to synthesize metal and metal oxide nanoparticles. Metal nanoparticles as colorimetric sensors gained much attention in recent years due to their sensitive and selective color change which is visible by the naked eye. They are portable and cost effective. This review highlights the green synthesis of metal and metal oxide nanoparticles using plant extracts and biopolymers, and their characterization, mechanism and factors affecting synthesis. Specific application of these green synthesized nanoparticles as colorimetric sensors for the detection of toxic pollutants in water is discussed in detail.

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Green synthesized nanospherical silver for selective and sensitive sensing of Cd²⁺colorimetrically

Abstract: We report here a facile, green and one-pot synthesis of nano-spherical silver (NSS) using Bombax ceiba leaf extract (BCLE) as both a reducing and stabilizing agent.

Cited by 21 publications

References 39 publications

Versatile biomedical potential of biosynthesized silver nanoparticles from Acacia nilotica bark

Versatile biomedical potential of biosynthesized silver nanoparticles from Acacia nilotica bark

Bio-Mediated Synthesis of Nanomaterials for Electrochemical Sensor Applications

Green Synthesized Nanomaterial‐based Colorimetric Sensors for Detection of Environmental Toxicants

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Green synthesized nanospherical silver for selective and sensitive sensing of Cd2+colorimetrically

Abstract: We report here a facile, green and one-pot synthesis of nano-spherical silver (NSS) using Bombax ceiba leaf extract (BCLE) as both a reducing and stabilizing agent.

Cited by 21 publications

References 39 publications

Versatile biomedical potential of biosynthesized silver nanoparticles from Acacia nilotica bark

Versatile biomedical potential of biosynthesized silver nanoparticles from Acacia nilotica bark

Bio-Mediated Synthesis of Nanomaterials for Electrochemical Sensor Applications

Green Synthesized Nanomaterial‐based Colorimetric Sensors for Detection of Environmental Toxicants

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Product

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Green synthesized nanospherical silver for selective and sensitive sensing of Cd²⁺colorimetrically