Phytofabrication of gold nanoparticles assisted by leaves of Suaeda monoica and its free radical scavenging property

Rajathi, F. Arockiya Aarthi; Arumugam, Radjassegarin; Saravanan, S.; Anantharaman, P.

doi:10.1016/j.jphotobiol.2014.03.016

Cited by 58 publications

(22 citation statements)

References 25 publications

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“…A FT-IR analysis of Ag NPs synthesized using Acacia mearnsii bark extract suggested that compounds with hydroxyl, alkyne, carboxyl, and amide groups of the monoterpenoids, sesquiterpenes, and phytols might have participated in these processes [ 140 ]. Similar analysis of Au NPs green-synthesized using Suaeda monoica leaf extract indicated that the biomolecules with carboxyl, amine, and hydroxyl functional groups were involved in the reduction of Au ions [ 91 ]. Isolated flavonoids, terpenoids, chlorogenic acid, etc.…”

Section: Secondary Metabolites In Plant Extract-mediated Green Synmentioning

confidence: 99%

Secondary Metabolites in the Green Synthesis of Metallic Nanoparticles

Marslin¹,

et al. 2018

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The ability of organisms and organic compounds to reduce metal ions and stabilize them into nanoparticles (NPs) forms the basis of green synthesis. To date, synthesis of NPs from various metal ions using a diverse array of plant extracts has been reported. However, a clear understanding of the mechanism of green synthesis of NPs is lacking. Although most studies have neglected to analyze the green-synthesized NPs (GNPs) for the presence of compounds derived from the extract, several studies have demonstrated the conjugation of sugars, secondary metabolites, and proteins in these biogenic NPs. Despite several reports on the bioactivities (antimicrobial, antioxidant, cytotoxic, catalytic, etc.) of GNPs, only a handful of studies have compared these activities with their chemically synthesized counterparts. These comparisons have demonstrated that GNPs possess better bioactivities than NPs synthesized by other methods, which might be attributed to the presence of plant-derived compounds in these NPs. The ability of NPs to bind with organic compounds to form a stable complex has huge potential in the harvesting of precious molecules and for drug discovery, if harnessed meticulously. A thorough understanding of the mechanisms of green synthesis and high-throughput screening of stabilizing/capping agents on the physico-chemical properties of GNPs is warranted to realize the full potential of green nanotechnology.

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Section: Secondary Metabolites In Plant Extract-mediated Green Synmentioning

confidence: 99%

Secondary Metabolites in the Green Synthesis of Metallic Nanoparticles

Marslin¹,

et al. 2018

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“…Previous studies reported the green synthesis of the plant-extract mediated AuNPs by mixing fixed concentrations of gold salt solutions with the plant extracts solutions [1,17,18,19,20]. In this study, we sought to improve current methods used to biosynthesize AuNPs from plant extracts by developing micro-scale method to screen a large number of plants simultaneously.…”

Section: Resultsmentioning

confidence: 99%

“…after 96 h of incubation [16]. Several studies reported the synthesis of AuNPs using extracts from plants such as, Aloe vera [17], Terminalia catappa [18], Suaeda monoica [19], Trianthema decandra [1] and Memecylon umbellatum [20]. These synthesis methods are not only eco-friendly, but also cost-effective and can be easily modified for large-scale synthesis [1].…”

Section: Introductionmentioning

confidence: 99%

Large Scale Screening of Southern African Plant Extracts for the Green Synthesis of Gold Nanoparticles Using Microtitre-Plate Method

et al. 2016

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Abstract:The preparation of gold nanoparticles (AuNPs) involves a variety of chemical and physical methods. These methods use toxic and environmentally harmful chemicals. Consequently, the synthesis of AuNPs using green chemistry has been under investigation to develop eco-friendly nanoparticles. One approach to achieve this is the use of plant-derived phytochemicals that are capable of reducing gold ions to produce AuNPs. The aim of this study was to implement a facile microtitre-plate method to screen a large number of aqueous plant extracts to determine the optimum concentration (OC) for the bio-synthesis of the AuNPs. Several AuNPs of different sizes and shapes were successfully synthesized and characterized from 17 South African plants. The characterization was done using Ultra Violet-Visible Spectroscopy, Dynamic Light Scattering, High Resolution Transmission Electron Microscopy and Energy-Dispersive X-ray Spectroscopy. We also studied the effects of temperature on the synthesis of the AuNPs and showed that changes in temperatures affect the size and dispersity of the generated AuNPs. We also evaluated the stability of the synthesized AuNPs and showed that some of them are stable in biological buffer solutions.

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“…In a similar way, numerous studies have reported on the ability of plant extracts to direct the shape and the size of Au NPs. Working with the right experimental sets, Arockiya Aarthi Rajathi et al reported the synthesis of spherical Au NPs of ~13 nm in diameter using leaf biomass of Suaeda monoica [ 37 ]. Kasthuri et al described the production of gold nanoplates using apiin extracted from Henna [ 38 ].…”

Section: Control Of Size and Shape Of Biologically Synthesized Metmentioning

confidence: 99%

Biosynthesis of Inorganic Nanoparticles: A Fresh Look at the Control of Shape, Size and Composition

et al. 2017

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Several methodologies have been devised for the design of nanomaterials. The “Holy Grail” for materials scientists is the cost-effective, eco-friendly synthesis of nanomaterials with controlled sizes, shapes and compositions, as these features confer to the as-produced nanocrystals unique properties making them appropriate candidates for valuable bio-applications. The present review summarizes published data regarding the production of nanomaterials with special features via sustainable methodologies based on the utilization of natural bioresources. The richness of the latter, the diversity of the routes adopted and the tuned experimental parameters have led to the fabrication of nanomaterials belonging to different chemical families with appropriate compositions and displaying interesting sizes and shapes. It is expected that these outstanding findings will encourage researchers and attract newcomers to continue and extend the exploration of possibilities offered by nature and the design of innovative and safer methodologies towards the synthesis of unique nanomaterials, possessing desired features and exhibiting valuable properties that can be exploited in a profusion of fields.

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Phytofabrication of gold nanoparticles assisted by leaves of Suaeda monoica and its free radical scavenging property

Cited by 58 publications

References 25 publications

Secondary Metabolites in the Green Synthesis of Metallic Nanoparticles

Secondary Metabolites in the Green Synthesis of Metallic Nanoparticles

Large Scale Screening of Southern African Plant Extracts for the Green Synthesis of Gold Nanoparticles Using Microtitre-Plate Method

Biosynthesis of Inorganic Nanoparticles: A Fresh Look at the Control of Shape, Size and Composition

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