Synthesis, Characterization, Surface Functionalization of Magnetite Nanoparticles and Their Antibacterial Studies

Singh, Jaiveer; Jangra, Arti; Kumar, Jai; Rani, K. Manjula; Kumar, Ramesh

doi:10.31788/rjc.2020.1315382

Cited by 5 publications

(2 citation statements)

References 19 publications

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“…The resulting solution was heated to 85 ºC in an inert gas environment by vigorously swirling it for nearly 0.5 h. A 20 mL of ammonia solution was added to the resultant mixture till pH value raised to 10. A change in colour from brown to black confirmed the formation of Fe 3 O 4 nanoparticles [16]. After that 2.6 g ascorbic acid dissolved in water (50 mL) was promptly added to this solution and agitated for additional 1 h. The AA-Fe 3 O 4 nanoparticles were separated from the solution using an external magnetic field and washed with deionized water.…”

Section: Methodsmentioning

confidence: 99%

An Efficient Adsorption of Safranin O Dye on Ascorbic Acid Coated Nanoparticles: Thermodynamics, Kinetics and Isotherm Studies

Rani,

Singh,

Jangra

et al. 2024

ajc

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In present work, the chemical co-precipitation method was used to prepare the ascorbic acid coated magnetite nanoparticles (AA-MNPs) which were then applied for the elimination of hazardous dye safranin O from the contaminated water. With the help of XRD peaks and Debye-Scherrer equation, the average size of the ascorbic acid coated nanoparticles was found to be 18 nm. These surface coated nanoparticles were further characterized using FTIR, TGA, FESEM and VSM methods. Thus, formed surface functionalized magnetite nanoparticles (MNPs) were used for the removal of safranin O dye from the contaminated water, using batch adsorption technique by considering dosage of AA-MNPs, dye concentration, pH of solution and temperature. It was found that synthesized AA- MNPs showed the highest dye removal efficacy (more than 97%) when the dye concentration was taken 50 ppm. Different thermodynamic parameters were measured, including ∆Gº, ∆Hº and ∆Sº. Adsorption of safranin O dye on the surface of AA-MNPs was found to be exothermic and spontaneous, according to thermodynamic parameters. The Freundlich model matched the experimental equilibrium data better, implying a heterogeneous multilayer adsorption on nanoparticles surface, according to the isotherm analysis. Moreover, the investigation of kinetic data suggested a pseudo 2nd order rate for the safranin O dye adsorption process. In addition, a comparative investigation has been made for the efficacy of the removal of safranin O dye by ascorbic acid coated magnetic nanoparticles with the adsorbents that have previously been reported.

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Section: Methodsmentioning

confidence: 99%

An Efficient Adsorption of Safranin O Dye on Ascorbic Acid Coated Nanoparticles: Thermodynamics, Kinetics and Isotherm Studies

Rani,

Singh,

Jangra

et al. 2024

ajc

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“…Synthesization of Nanoparticles can be done using various green and cost-effective methods such as green synthesis, nanoprecipitation technique and sol-gel method. [8][9][10] Nanoparticles can improve the power extraction by exploiting biogenic inorganic nanoparticles to facilitate extracellular electron transfer in MFCs. 10…”

Section: Introductionmentioning

confidence: 99%

A Novel Microbial Fuel Cell Technology for Energy Generation and Comparison of Power Densities for Different Electrodes Using Nanotechnology

Singh¹,

Suresh²

2020

RJC

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For the world to prosper water and energy place an important role, in this research article focus is on producing energy from wastewater, it solves two problems. One of the most promising technologies is the Microbial Fuel Cell (MFC). The major drawback of this MFC is low power density; to get suitable electrode material three MFCs are compared for generating energy in terms of power density, those are Iron, Copper and, Silver nanoparticles(SNP) coated copper electrodes and experiments were conducted with Khan river wastewater as substrate. The major reason to use silver nanoparticles is promising antibacterial properties. Results were compared and found that copper electrodes have given maximum power density of 49.158172 µW/mm 2 and COD, BOD is reduced to about 80 %.

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Experimental investigation and analysis of corrosion inhibition of titanium modified by chitosan silver nanomaterials and its applications

Thulasi¹,

Pragathiswaran²,

Anusuya³

2021

Materials Today: Proceedings

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Synthesis, Characterization, Surface Functionalization of Magnetite Nanoparticles and Their Antibacterial Studies

Cited by 5 publications

References 19 publications

An Efficient Adsorption of Safranin O Dye on Ascorbic Acid Coated Nanoparticles: Thermodynamics, Kinetics and Isotherm Studies

An Efficient Adsorption of Safranin O Dye on Ascorbic Acid Coated Nanoparticles: Thermodynamics, Kinetics and Isotherm Studies

A Novel Microbial Fuel Cell Technology for Energy Generation and Comparison of Power Densities for Different Electrodes Using Nanotechnology

Experimental investigation and analysis of corrosion inhibition of titanium modified by chitosan silver nanomaterials and its applications

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