Synthesis, Characterization, and Evaluation of the Antibacterial Activity of<i>Allophylus serratus</i>Leaf and Leaf Derived Callus Extracts Mediated Silver Nanoparticles

Jemal, Kero; Sandeep, B. V.; Pola, Sudhakar

doi:10.1155/2017/4213275

Cited by 126 publications

(64 citation statements)

References 52 publications

(54 reference statements)

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“…The maximum zone of inhibition was reported in Klebsiella pneumoniae (13.90 ± 0.17 mm) when 100 µg ZnO nanoparticles were put in the well and minimum zone of inhibition was reported in E. coli (11.53 ± 0.38) for 100 µg concentration ( Table 6). Similar results were reported by Senthilkumar and Sivakumar [62] and Jemal et al [28]. In the present work, the possible mechanism involved in the antibacterial activity of nanoparticles was thought to be production of reactive oxygen species (ROS) (Fig.…”

Section: Anti-bacterial Assaysupporting

confidence: 91%

“…Number of researcher's have reported the synthesis of ZnO NPs employing plant as a biological material viz., Aloe barbadensis [58]; Catharanthus roseus [13]; Vitex negundo [6]; Rosa canina [26]; Laurus nobilis L. [22]. Besides, only few reports are available for callus mediated biosynthesis of nanoparticles, Linum usitatissiumum callus mediated ZnO NPs by Abbasi et al [2]; Allophylus serratus callus mediated Silver nanoparticles by Jemal et al [28]. The present study reports for the first time synthesis, characterization and anti-microbial activity of ZnO NPs using Viola canescens callus extract and Zinc nitrate.…”

Section: Introductionmentioning

confidence: 99%

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Callus mediated biosynthesis and antibacterial activities of zinc oxide nanoparticles from Viola canescens: an important Himalayan medicinal herb

Khajuria

Bisht

Manhas³

et al. 2019

SN Appl. Sci.

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The plant mediated synthesis of metallic nanoparticles is preferred over chemical and physical methods owing to their easy synthesis, simplicity, eco-friendliness, stability and developed as lucrative field of green nanotechnology. Use of calli in place of other plant organ avoids the mass collection of plant from their wild habitat and offers the synthesis of nanoparticles for all those plants which are critically endangered or are not available throughout the year. In the present study, an alternative and novel protocol has been developed for the biosynthesis of Zinc Oxide nanoparticles (ZnO NPs) using in vitro culture technique of plant tissue culture as a basic platform for the plant material. Thus the present work aimed to synthesized ZnO NPs using the calli of Viola canescens (Banafsha) and study anti-microbial activity of synthesized nanoparticles. The calli were generated from the leaf and petiole explants, using the auxin (2,4-D and NAA) and cytokinin (Kn). Interaction of callus extract with Zinc nitrate hexahydarate extract for the bio-reduction of Zinc nitrate hexahydarate to its nanoparticles showed potency of calli to reduce Zinc nitrate to its nanosizes. The confirmation for the synthesis of the nanoparticles was done by UV-visible analysis followed by characterization of synthesized nanoparticles with XRD, FTIR and SEM techniques. X-ray diffraction analysis showed that nanoparticles exhibited the crystalline nature with wurtzite hexagonal shape and average size was less than 09 nm. FTIR revealed the presence of biomolecules which act as reduction and capping agent for the synthesis of ZnO NPs. Antibacterial activity of the synthesized nanoparticles against four different pathogenic (gram positive and gram negative) strains showed clear zone of inhibitions that confirm the potency of nanoparticles as an antibacterial agent. The present work explored the potential of the callus as bio-reduction material for nanoparticles synthesis.

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Section: Anti-bacterial Assaysupporting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Callus mediated biosynthesis and antibacterial activities of zinc oxide nanoparticles from Viola canescens: an important Himalayan medicinal herb

Khajuria

Bisht

Manhas³

et al. 2019

SN Appl. Sci.

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“…The SEM image shows the size of the silver nanoparticles ranging from 10 to 60 nm. Similar result of the silver nanoparticles size was reported by using Hydrophila auriculata leaf extract [15]. …”

Section: Scanning Electron Microscope (Sem)supporting

confidence: 87%

Green Synthesis and Evaluation of Antimicrobial Activity of Silver Nanoparticles from Hydrophila auriculata Leaf Extract

Ravishankar¹,

Ester²

2018

JNST

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Nanochemistry is relatively a new area of science arisen in the last decade of past century after discovery of fullerenes and nanotubes. Metal nanoparticles can be prepared by physical, chemical and biological routes; the first one is a physical approach that utilizes several methods such as evaporation/ condensation and laser ablation. Various metals like copper, titanium, gold, silver and iron were used for the synthesis of nanoparticles. Among the noble metals, silver nanoparticles have become the focus of intensive research due to its wide range of applications for many sectors of life and Industry. In this work, we describe a cost effective and environment friendly technique for green synthesis of silver nanoparticles from 1 mM AgNO3 solution through the extract of Hydrophila auriculata leaf as it is acts as a reducing as well as capping agent. Nanoparticles were characterized using UV-Vis absorption spectroscopy and SEM analysis showed the average particle size range10-40 nm with higher density polydispersed spherical in shape. The synthesized silver nanoparticles exhibited potential antiinflammatory activity.

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“…Compared with other methods, biological methods using microorganisms (7,8), enzymes (9), and plants or plant extracts like Nothapodytes nimmoniana (Graham) Mabb. fruit extracts (10), Alternanthera dentate aqueous extract, Acorus calamus and Boerhaavia diffusa plant extracts (11), Allophylus serratus leaf and leaf-derived callus extracts (12) are environmentally friendly and alternatives to chemical and physical methods for the synthesis of AgNPs (13). Synthesizing nanoparticles using plant extracts can be advantageous over other biological processes by omitting the elaborate process of maintaining cell cultures (14), complex extraction and purification processes (15) and it also allows easy scale up to produce larger amounts of nanoparticles that are free of contamination and have well-defined size and morphology (16).…”

Section: Introductionmentioning

confidence: 99%

Synthesis of silver nanoparticles using Peganum harmala extract as a green route

Azizi

Sedaghat

Tahvildari

et al. 2017

Green Chemistry Letters and Reviews

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In this study, we investigated the synthesis of silver nanoparticles using Peganum harmala water extract at ambient temperature. The Ag nanoparticles (AgNPs) were characterized by ultravioletvisible spectroscopy (UV-vis), Fourier transform infrared spectroscopy (FT-IR), powder X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), and transmission electron microscopy (TEM). The average particle size of the silver nanoparticles was about 23 nm. Inhibitory activity of the synthesized AgNPs was tested against human pathogens like Escherichia coli and Staphylococcus aureus. The results indicated that the AgNPs showed moderate inhibitory actions, demonstrating its antibacterial value against pathogenic diseases. ARTICLE HISTORY

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Synthesis, Characterization, and Evaluation of the Antibacterial Activity ofAllophylus serratusLeaf and Leaf Derived Callus Extracts Mediated Silver Nanoparticles

Cited by 126 publications

References 52 publications

Callus mediated biosynthesis and antibacterial activities of zinc oxide nanoparticles from Viola canescens: an important Himalayan medicinal herb

Callus mediated biosynthesis and antibacterial activities of zinc oxide nanoparticles from Viola canescens: an important Himalayan medicinal herb

Green Synthesis and Evaluation of Antimicrobial Activity of Silver Nanoparticles from Hydrophila auriculata Leaf Extract

Synthesis of silver nanoparticles using Peganum harmala extract as a green route

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