Dielectric and antibacterial studies of microwave assisted calcium hydroxide nanoparticles

Kannan, Karthik; Dhanuskodi, S.; Gobinath, C.; Prabukumar, S.; Sivaramakrishnan, S.

doi:10.1007/s10854-017-7563-5

Cited by 45 publications

(23 citation statements)

References 28 publications

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“…Metal oxide nanoparticles, CeO 2 , MgO and Fe 3 O 4 have good antibacterial activities, but they are not highly effective against food-borne pathogens. Ca(OH) 2 NPs shows better antibacterial efficiency [10]. ZnO nanoparticles showed antimicrobial potential against the food-borne pathogens [11].…”

Section: Introductionmentioning

confidence: 99%

Biosynthesis of Cu4O3 nanoparticles using Razma seeds: application to antibacterial and cytotoxicity activities

Thanuja

Udayabhanu²,

Nagaraju³

et al. 2019

SN Appl. Sci.

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In the present work, Cu 4 O 3 nanoparticles were prepared by biosynthesis method using Razma seeds and copper sulfate as a precursors. The synthesized Cu 4 O 3 nanoparticles were characterized using various analytical tools such as XRD, FTIR, UV-Vis, SEM and TEM. The average crystallite size of the prepared Cu 4 O 3 nanoparticles was calculated by Debye-Scherrer's equation and found to be 13 nm. The TEM images clearly reveal the average size of the particles is 27 nm. Antibacterial activity of Cu 4 O 3 nanoparticles was tested against Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli) bacteria by agar well diffusion method. The cytotoxic activity of synthesized Cu 4 O 3 nanoparticles was examined against human prostate cancer cells (PC-3). The prepared NPs show the significant antioxidant activity through scavenging of 1,1-diphenyl-2-picrylhydrazyl free radicals.

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Section: Introductionmentioning

confidence: 99%

Biosynthesis of Cu4O3 nanoparticles using Razma seeds: application to antibacterial and cytotoxicity activities

Thanuja

Udayabhanu²,

Nagaraju³

et al. 2019

SN Appl. Sci.

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“…Nanotechnology is the manipulation or self-assembly of the atoms, molecules or molecular chains, in such a way that the formed structures lead to the production of materials and structures with new or completely different properties (11)(12)(13)(14)(15)(16)(17). Metallic nanoparticles (particles with at least one dimension between 1 and 100 nm) show different electrical, magnetic, catalytic and optical properties in comparison with the bulk state of the same metal (18)(19)(20)(21)(22)(23)(24)(25)(26).…”

Section: Introductionmentioning

confidence: 99%

Waste-grass-mediated green synthesis of silver nanoparticles and evaluation of their anticancer, antifungal and antibacterial activity

Khatami

Sharifi

Nobre

et al. 2018

Green Chemistry Letters and Reviews

182

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Grass waste was used for transform an inexpensive waste into health. Silver nanoparticles (AgNPs) have been synthesized using waste material (dried grass). The average size of silver nanoparticles observed in transmission electron images was estimated to be about 15 nm. The anticancer, antifungal and antibacterial effect of AgNPs were studied in vitro. The minimum inhibitory concentration of AgNPs against Pseudomonas aeruginosa and Acinetobacter baumannii was calculated about 3 µg/ml. The highest level of inhibitory effect of AgNPs against Fusarium solani was close to 90% at a concentration of 20 μg/ml of AgNPs. An inhibitory effect on the cancer cell growth is reach, by increasing the concentration of AgNPs to 5 µg/ml; the cancer cells' survival decreases about 30%. Western results showed that the expression of Cyclin D1 protein of MCF-7 cell line decreased after treatment with the effective concentration of AgNPs.

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“…A variety of methods with bottom-up and top-down approach have been introduced, optimized, and are essentially accomplished via physical, chemical [13][14][15][16], or biosynthetic means or combination thereof (Table 1). In bottom-up approach, which is often preferred one, self-assembly of atoms lead to formation of nanosize particles, while in the top-down approach, bulk material is broken down to nano size particle (not explored for core shell nanoparticles).…”

Section: Synthesis Processes For Assembly Of Core-shell Nanoparticlesmentioning

confidence: 99%

Core@shell Nanoparticles: Greener Synthesis Using Natural Plant Products

et al. 2018

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Featured Application: Greener synthesis and applications of Core-shell nanoparticles.Abstract: Among an array of hybrid nanoparticles, core-shell nanoparticles comprise of two or more materials, such as metals and biomolecules, wherein one of them forms the core at the center, while the other material/materials that were located around the central core develops a shell. Core-shell nanostructures are useful entities with high thermal and chemical stability, lower toxicity, greater solubility, and higher permeability to specific target cells. Plant or natural products-mediated synthesis of nanostructures refers to the use of plants or its extracts for the synthesis of nanostructures, an emerging field of sustainable nanotechnology. Various physiochemical and greener methods have been advanced for the synthesis of nanostructures, in contrast to conventional approaches that require the use of synthetic compounds for the assembly of nanostructures. Although several biological resources have been exploited for the synthesis of core-shell nanoparticles, but plant-based materials appear to be the ideal candidates for large-scale green synthesis of core-shell nanoparticles. This review summarizes the known strategies for the greener production of core-shell nanoparticles using plants extract or their derivatives and highlights their salient attributes, such as low costs, the lack of dependence on the use of any toxic materials, and the environmental friendliness for the sustainable assembly of stabile nanostructures.

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Dielectric and antibacterial studies of microwave assisted calcium hydroxide nanoparticles

Cited by 45 publications

References 28 publications

Biosynthesis of Cu4O3 nanoparticles using Razma seeds: application to antibacterial and cytotoxicity activities

Biosynthesis of Cu4O3 nanoparticles using Razma seeds: application to antibacterial and cytotoxicity activities

Waste-grass-mediated green synthesis of silver nanoparticles and evaluation of their anticancer, antifungal and antibacterial activity

Core@shell Nanoparticles: Greener Synthesis Using Natural Plant Products

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