RETRACTED: Extensive Studies on X-Ray Diffraction of Green Synthesized Silver Nanoparticles

Bykkam, Satish; Ahmadipour, Mohsen; Narisngam, Sowmya; Kalagadda, Venkateswara Rao; Chidurala, Shilpa Chakra

doi:10.4236/anp.2015.41001

Cited by 111 publications

(44 citation statements)

References 16 publications

(12 reference statements)

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“…The synthesis of nanoparticles was recorded until 37 h, after which there was a slight decrease in the peak due to aggregation, but the peak was at a maximum when it reached the time of 3 h. The pellet was collected after centrifugation at 10,000 rpm for 5 min, freeze-dried in a lyophilizer and was sent for further characterization to confirm the synthesis of silver nanoparticles. [20].…”

Section: Visual Analysismentioning

confidence: 99%

Green Synthesis of Silver Nanoparticles Using Medicinal Plant Acalypha Indica Leaf Extracts and Its Application as an Antioxidant and Antimicrobial Agent Against Foodborne Pathogens

2017

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Objective: In the present study, silver (Ag) nanoparticles was synthesized by traditionally used medicinal plant Acalypha indica, which was characterized using various advanced tools, and its antioxidant as well as antimicrobial properties, was studied against food pathogens. Methods:The synthesis of silver (Ag) nanoparticles from the leaf extracts were monitored with the characterization of silver nanoparticles with the help of UV-visible spectrophotometer. The optimized time for the synthesis of nanoparticles was 3 h, followed by fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), surface emission microscopy analysis (SEM), transmission electron microscopy (TEM), atomic force microscopy (AFM) and energy dispersive spectroscopy analysis (EDX). The antioxidant activity was evaluated by using 2,2-diphenyl-1-picrylhydrazyl (DPPH) and reducing power assay, while antifungal activity was performed against food pathogens by measuring the zone of inhibition values (ZOI). Results:The Ag nanoparticle produced, have an average particle size of 34 nm with a spherical shape, analyzed from the XRD studies, and size was confirmed with the SEM and TEM analysis. The FTIR analysis gave information about the possible compounds adsorbed on the surface of the Ag nanoparticles. The Ag nanoparticles had good reducing power than the standard and the IC50 value for Ag nanoparticles was 5 mg/ml, while the standard taken had an IC50 value of nearly 6-7 mg/ml. The fungal strain A. fumigates showed ZOI of 133% at 75 µl of concentration proving that Ag nanoparticles can act effectively against this strain when compared to other strains even at low concentrations. Conclusion:The produced Ag nanoparticles can be used for its therapeutic purposes and for large-scale synthesis in food industries for food preservation or packaging.

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Section: Visual Analysismentioning

confidence: 99%

Green Synthesis of Silver Nanoparticles Using Medicinal Plant Acalypha Indica Leaf Extracts and Its Application as an Antioxidant and Antimicrobial Agent Against Foodborne Pathogens

2017

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“…In addition, it also exhibits an intense sharp peak at 38 • , corresponding to (111) plane of face centered cubic crystal of silver nanoparticles (Bykkam et al, 2015;Karthika & Sevarkodiyone, 2015). The diffraction peak was found to be broad around its bases indicating that the silver particles are in nanosize.…”

Section: Characterizationmentioning

confidence: 96%

Synthesis of nanosilver loaded chitosan/poly(acrylamide-co-itaconic acid) based inter-polyelectrolyte complex films for antimicrobial applications

Bajpai¹,

Jyotishi²,

Bajpai³

2016

Carbohydrate Polymers

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“…However, the X-ray diffraction pattern of sample Ag NPs/HG1 exhibits strong peaks at 38.12 • , 44.28 • and 66.46 • which are attributed to the Brags reflections at (1 1 1), (2 0 0) and (2 2 0) planes of face centered cubic (FCC) crystals of silver nanoparticles [32,33]. The TG analysis profiles for plain sample HG1 and Ag NPs/HG1 composite hydrogel are shown in Fig.…”

Section: Characterization Of Semi-ipn and Its Silver Nanocompositementioning

confidence: 97%

A green approach to prepare silver nanoparticles loaded gum acacia/poly(acrylate) hydrogels

Bajpai¹,

Kumari²

2015

International Journal of Biological Macromolecules

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RETRACTED: Extensive Studies on X-Ray Diffraction of Green Synthesized Silver Nanoparticles

Cited by 111 publications

References 16 publications

Green Synthesis of Silver Nanoparticles Using Medicinal Plant Acalypha Indica Leaf Extracts and Its Application as an Antioxidant and Antimicrobial Agent Against Foodborne Pathogens

Green Synthesis of Silver Nanoparticles Using Medicinal Plant Acalypha Indica Leaf Extracts and Its Application as an Antioxidant and Antimicrobial Agent Against Foodborne Pathogens

Synthesis of nanosilver loaded chitosan/poly(acrylamide-co-itaconic acid) based inter-polyelectrolyte complex films for antimicrobial applications

A green approach to prepare silver nanoparticles loaded gum acacia/poly(acrylate) hydrogels

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