Green one-pot synthesis of gold nanoparticles using Sansevieria roxburghiana leaf extract for the catalytic degradation of toxic organic pollutants

Kumar, Indramani; Mondal, Moumita; Vadivel, Meyappan; Sakthivel, Natarajan

doi:10.1016/j.materresbull.2019.04.029

Cited by 92 publications

(20 citation statements)

References 52 publications

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“…structure of Au nanoparticles. 18 These are in good agreement with the standard JCPDS card No-04-0784.…”

Section: Anticoagulant Activitysupporting

confidence: 80%

Biomedical applications of Durio zibethinus extract mediated gold nanoparticles as antimicrobial, antioxidant and anticoagulant activity

Sp¹,

bhanu²,

Nagaraju³

et al. 2019

IJBSBE

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An eco-friendly and efficient method has been used for green synthesis of stable gold nanoparticles (Au NPs) using Durio zibethinus extract as a reducing and capping agent. The biologically produced nanoparticles were characterized by UV-Vis, XRD, SEM, EDAX and TEM analysis. The elemental composition of Au NPs was reported by EDAX spectral analysis. The bio-reduced Au NPs exhibited almost spherical. Increasing applications of NPs especially metallic nanoparticle plays an important role. Gold is one of the most useful metallic nanoparticles. Au NPs having unique physiochemical characteristics and wide usage in different field applications. Besides, antibacterial, antioxidant and anticoagulant properties of Au NPs were studied. It is proved that Au NPs synthesized using natural reducing agents (plant leaves, route, seeds, pulp, stem, etc.) are eco-friendly, inexpensive, have good anti-microbial activities against microorganisms. This study established a synthesis of Au NPs using Durio zibethinus extract as a viable green route approach, with remarkable antimicrobial, antioxidant and anticoagulant activities. As far as we know, this is the first report of the use of Durio zibethinus extract to synthesize Au NPs.

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“…structure of Au nanoparticles. 18 These are in good agreement with the standard JCPDS card No-04-0784.…”

Section: Anticoagulant Activitysupporting

confidence: 80%

Biomedical applications of Durio zibethinus extract mediated gold nanoparticles as antimicrobial, antioxidant and anticoagulant activity

Sp¹,

bhanu²,

Nagaraju³

et al. 2019

IJBSBE

View full text Add to dashboard Cite

show abstract

“…This better catalytic imfact can not only be due to their smaller size (size < 100 nm) but also to their better morphology. Likewise, Indramani et al [449] synthesised the gold nanoparticles while using extracts of Sansevieria roxburghiana leaf and the chloroauric acid as reducing and stabilizing agents. The particles so obtained were checked for their catalytic efficiency by confrirming fom the degradation of degradation of organic pollutants such as 4-nitrophenol, acridine orange, congo red, bromothymol blue, phenol red and methylene blue.…”

Section: Other Applications 721 Gold Nanoparticles As a Catalystmentioning

confidence: 99%

Preparation, Functionalization, Modification, and Applications of Nanostructured Gold: A Critical Review

et al. 2021

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Gold nanoparticles (Au NPs) play a significant role in science and technology because of their unique size, shape, properties and broad range of potential applications. This review focuses on the various approaches employed for the synthesis, modification and functionalization of nanostructured Au. The potential catalytic applications and their enhancement upon modification of Au nanostructures have also been discussed in detail. The present analysis also offers brief summaries of the major Au nanomaterials synthetic procedures, such as hydrothermal, solvothermal, sol-gel, direct oxidation, chemical vapor deposition, sonochemical deposition, electrochemical deposition, microwave and laser pyrolysis. Among the various strategies used for improving the catalytic performance of nanostructured Au, the modification and functionalization of nanostructured Au produced better results. Therefore, various synthesis, modification and functionalization methods employed for better catalytic outcomes of nanostructured Au have been summarized in this review.

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“…Recently, good Au NPs (7-17.48 nm) were obtained using aqueous solution of Sansevieria roxburghiana leaf extract in presence of HAuCl 4 (2 mM) at low reaction temperature (40 • C). The authors achieved different shapes of NPs (spherical, triangle, hexagonal, rod and decahedral) that were useful to degrade organic pollutants such as 4-nitrophenol, acridine orange, Congo red, bromothymol blue, phenol red and methylene blue [61]. Boomi et al [62] obtained different size of Au NPs (<100 nm) from Coleus aromaticus leaf extract at three different temperatures (30 • C, 60 • C and 100 • C) in order to apply them in cotton fabric, showing UV protection and cytotoxic effects on human hepatocellular carcinoma cell lines (HepG2).…”

Section: Au Npsmentioning

confidence: 99%

Green Plasmonic Nanoparticles and Bio-Inspired Stimuli-Responsive Vesicles in Cancer Therapy Application

et al. 2020

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In the last years, there is a growing interest in the application of nanoscaled materials in cancer therapy because of their unique physico-chemical properties. However, the dark side of their usability is limited by their possible toxic behaviour and accumulation in living organisms. Starting from this assumption, the search for a green alternative to produce nanoparticles (NPs) or the discovery of green molecules, is a challenge in order to obtain safe materials. In particular, gold (Au NPs) and silver (Ag NPs) NPs are particularly suitable because of their unique physico-chemical properties, in particular plasmonic behaviour that makes them useful as active anticancer agents. These NPs can be obtained by green approaches, alternative to conventional chemical methods, owing to the use of phytochemicals, carbohydrates, and other biomolecules present in plants, fungi, and bacteria, reducing toxic effects. In addition, we analysed the use of green and stimuli-responsive polymeric bio-inspired nanovesicles, mainly used in drug delivery applications that have revolutionised the way of drugs supply. Finally, we reported the last examples on the use of metallic and Au NPs as self-propelling systems as new concept of nanorobot, which are able to respond and move towards specific physical or chemical stimuli in biological entities.

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Green one-pot synthesis of gold nanoparticles using Sansevieria roxburghiana leaf extract for the catalytic degradation of toxic organic pollutants

Cited by 92 publications

References 52 publications

Biomedical applications of Durio zibethinus extract mediated gold nanoparticles as antimicrobial, antioxidant and anticoagulant activity

Biomedical applications of Durio zibethinus extract mediated gold nanoparticles as antimicrobial, antioxidant and anticoagulant activity

Preparation, Functionalization, Modification, and Applications of Nanostructured Gold: A Critical Review

Green Plasmonic Nanoparticles and Bio-Inspired Stimuli-Responsive Vesicles in Cancer Therapy Application

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