Catalytic degradation of wastewater from the textile and tannery industries by green synthesized hematite (α-Fe2O3) and magnesium oxide (MgO) nanoparticles

Nanotechnology is a field of applied science focused on design, synthesis and characterization of nanomaterials. The nickel and magnesium have improved their applications in transparent electrodes and nano electronics. In addition, magnesium oxide has moisture resistance and high melting point properties. In the present work has been carried out in the development of green crystalline powder of nickel doped magnesium oxide nanoparticles by Co-precipitation method, from the mixture of nickel chloride and magnesium chloride with KOH as solvent. From the XRD results, crystalline size of the particle can be observed. Spherical structure of Ni doped MgO nanoparticles were indicated by SEM results and powdered composition of samples were obtained from FTIR. EDAX represents the peak composition of the nanoparticle. The above analytical techniques have confirmed that the Ni doped MgO nanoparticles obtained from the mixture of NiCl2 and MgCl2.

Download Full-text

Applications of ZnO and MgO Nanoparticles in Reducing Zinc Pollution Level in Rubber Manufacturing Processes: A Review

Current Biochemical Engineering ◽

10.2174/2212711906666200224105931 ◽

2020 ◽

Vol 6 (2) ◽

pp. 103-107 ◽

Cited By ~ 1

Author(s):

Seyyed Mohammad Javadi

Keyword(s):

Zinc Oxide ◽

Fatty Acid ◽

Magnesium Oxide ◽

Environmental Effects ◽

Pollution Level ◽

Oxide Nanoparticles ◽

Mgo Nanoparticles ◽

Magnesium Oxide Nanoparticles ◽

Council Directive ◽

Zno Particles

Background: Rubber vulcanization is a consolidated chemical process to enhance the mechanical properties of the polymeric material by sulfur crosslinking of the polymer chains, such as rubber. Vulcanization Activators are important rubber processing additives that activate sulfur cure and improve the efficiency of sulfur-based cure systems. The most common activator is zinc fatty acid ester that is often formed in-situ by the reaction of fatty acid with zinc oxide. Although zinc is one of the less harmful heavy metals, according to European Council Directive 2004/73/EC, the reduction of zinc level in the environment has become an important task because of its toxic effect on aquatic organisms. : The current study reviews the research achievements in the field of reducing the consumption of micronutrients of ZnO particles based on the use of nanoparticles instead of them in the polymer industry. Among the proposed methods, due to the less environmental effects of magnesium oxide, the use of MgO nanoparticles instead of zinc oxide has also achieved good results. Objective: The aim of this paper is considering suggested different methods on the reduction of using ZnO particles in related industries, the use of ZnO nanoparticles has had better results than its particles. In addition, due to the less environmental effects of magnesium oxide, magnesium oxide nanoparticles can be used instead of micronutrients of zinc oxide. Overall, the results of various investigations show that reducing the diameter of the zinc oxide particles reduces the amount required for curing the rubber and thus reduces its toxic effects. Also, the use of magnesium oxide nanoparticles instead of zinc oxide in different concentrations is investigated.

Download Full-text

PVC Based Ion-Exchange Membrane Blended with Magnesium Oxide Nanoparticles for Desalination: Fabrication, Characterization and Performance

Journal of Applied Membrane Science & Technology ◽

10.11113/amst.v21i1.105 ◽

2017 ◽

Vol 21 (1) ◽

Cited By ~ 1

Author(s):

F. Parvizian ◽

Z. Sadeghi ◽

S. M. Hosseini

Keyword(s):

Cation Exchange ◽

Magnesium Oxide ◽

Optimal Transport ◽

Inversion Method ◽

Additive Concentration ◽

Ionic Selectivity ◽

Ionic Flux ◽

Sem Images ◽

Mgo Nanoparticles ◽

And Performance

In this study, polyvinyl chloride (PVC) based nanocomposite cation exchange membranes incorporated with magnesium oxide (MgO0 nanoparticles were fabricated by nonsolvent induced phase inversion method. The additive concentration and electrolyte conditions (concentrations/pH) were investigated. Morphology studies were done using SOM and SEM images exhibited uniform distribution of MgO nanoparticles in the membrane structure. FTIR analysis showed the chemical structure of prepared membrane that demonstrated MgO nanoparticles presence. The hydrophilicity of membranes increased when 0.5-4.0 wt.% of additive were embedded into the polymer matrix. The transport characteristics of prepared membrane were improved by increasing nanoparticle content from 0.5 to 1 wt.%. It was demonstrated that the ionic flux of developed cation exchange membranes improved with an increase in additive content up to 1 wt.%. A considerable reduction was observed in the values of electrical resistance for the prepared membrane containing MgO nanoparticles. Ionic selectivity was enhanced at the more concentered solution and was slightly decreased at higher electrolyte concentration. Moreover, at the electrolyte solution of pH7 the optimal transport properties were achieved for the membranes.

Download Full-text

Fabrication of magnesium oxide nanoparticles by solvent alteration and their bactericidal applications

Journal of Materials Chemistry B ◽

10.1039/c9tb00782b ◽

2019 ◽

Vol 7 (26) ◽

pp. 4141-4152 ◽

Cited By ~ 7

Author(s):

Proma Bhattacharya ◽

Sarpras Swain ◽

Lopamudra Giri ◽

Sudarsan Neogi

Keyword(s):

Reactive Oxygen Species ◽

Magnesium Oxide ◽

Reactive Oxygen Species Generation ◽

Reactive Oxygen ◽

Oxide Nanoparticles ◽

Oxygen Species ◽

Mgo Nanoparticles ◽

Antibacterial Ability ◽

Ctab Solution ◽

Magnesium Oxide Nanoparticles

MgO nanoparticles are synthesized using water, ethanol and aqueous CTAB solution. The nanoparticles synthesized in ethanol exhibited smallest size, maximum reactive oxygen species generation and maximum antibacterial ability, and low haemolysis.

Download Full-text

Doxorubicin Loaded Magnesium Oxide Nanoflakes as pH Dependent Carriers for Simultaneous Treatment of Cancer and Hypomagnesemia

Nanomaterials ◽

10.3390/nano9020208 ◽

2019 ◽

Vol 9 (2) ◽

pp. 208 ◽

Cited By ~ 7

Author(s):

Tharindu Ranathunge ◽

D.G.G.P. Karunaratne ◽

R.M.G. Rajapakse ◽

Davita Watkins

Keyword(s):

Magnesium Oxide ◽

Drug Loading ◽

Dual Therapy ◽

Drug Carriers ◽

Magnesium Ions ◽

Simultaneous Treatment ◽

Mgo Nanoparticles ◽

Acidic Conditions ◽

Ph Dependent ◽

Cytotoxicity Effects

Doxorubicin (DOX) is an anticancer drug commonly used in treating cancer; however, it has severe cytotoxicity effects. To overcome both the adverse effects of the drug and mineral deficiency (i.e., hypomagnesemia) experienced by cancer patients, we have developed magnesium oxide (MgO) nanoflakes as drug carriers and loaded them with DOX for use as a targeted drug delivery (TDD) system for potential application in cancer therapy. The synthesis employed herein affords pure, highly porous MgO nanoparticles that are void of the potentially harmful metal contaminants often discussed in the literature. Purposed for dual therapy, the nanoparticles exhibit an impressive 90% drug loading capacity with pH dependent drug releasing rates of 10% at pH 7.2, 50.5% at pH 5.0, and 90.2% at pH 3. Results indicate that therapy is achievable via slow diffusion where MgO nanoflakes degrade (i.e., dissolve) under acidic conditions releasing the drug and magnesium ions to the cancerous region. The TDD system therefore minimizes cytotoxicity to healthy cells while supplying magnesium ions to overcome hypomagnesemia.

Download Full-text

Moringa oleifera Leaf Extract-Mediated Green Synthesis of Nanostructured Alkaline Earth Oxide (MgO) and Its Physicochemical Properties

Journal of Chemistry ◽

10.1155/2021/4301504 ◽

2021 ◽

Vol 2021 ◽

pp. 1-22

Author(s):

Archana Venkatachalam ◽

Joseph Prince Jesuraj ◽

kalainathan Sivaperuman

Keyword(s):

Magnesium Oxide ◽

Leaf Extract ◽

Moringa Oleifera ◽

Oxide Nanoparticles ◽

Stoichiometric Ratio ◽

Face Centered Cubic ◽

Promising Candidate ◽

Mgo Nanoparticles ◽

X Ray ◽

Magnesium Oxide Nanoparticles

The magnesium oxide nanoparticles (MgO NPs) were prepared from Moringa oleifera leaf extract. Phytochemicals are derived from plant extract which are served as stabilizing and capping agents. This green route has been attracted owing to speed, reliable, and eco-friendly and cost-effective one. The synthesized magnesium oxide nanoparticles were taken into three different calcination temperatures (500, 600, and 700°C). The powder X-ray diffraction (PXRD) study shows a pure phase of face-centered cubic structure. Periclase MgO nanoparticles were prepared. The optical band gap of MgO nanoparticles is 4.5 eV, and its absorption in the UV region was observed by UV-visible spectroscopy (UV-Vis). Photoluminescence spectra have exhibited multicolor emissions were being at UV and visible region due to defect centers (F centers) of MgO nanoparticles. EDX (energy dispersive X-ray spectrum) has given the stoichiometric ratio of Mg and O. The functional groups have been studied by Fourier transformed infrared spectroscopy (FTIR), surface morphology transformation has been identified by scanning electron microscopy (SEM) studies, and VSM measurements have given the information of diamagnetic nature of MgO nanoparticles. H-R TEM micrographs have confirmed that particles were in nanorange matched with XRD report. Polycrystalline nature has been observed pattern information. TG-DSC characterization revealed phase transition and weight loss information. D-band and G-band of MgO nanoparticles are studied by micro-Raman analysis. Dielectric analysis has proven that MgO nanoparticles will be a promising candidate for linear dielectric ceramics, thermistor. The present resent studies have revealed that MgO powder will be an economical and promising candidate in superconductor, optoelectronic device, and energy storage applications.

Download Full-text

Synthesis and characterization of magnesium Oxide nanoparticles by sol-gel method

Nanoscale Reports ◽

10.26524/nr.3.19 ◽

2020 ◽

Vol 3 (3) ◽

Author(s):

Jegadeeswari A ◽

Nivetha S

Keyword(s):

Magnesium Oxide ◽

Sol Gel ◽

Morphological Characterization ◽

Magnesium Nitrate ◽

Oxide Nanoparticles ◽

Mgo Nanoparticles ◽

Gel Method ◽

Sol Gel Method ◽

Magnesium Oxide Nanoparticles

Magnesium oxide was hygroscopic solid mineral that occurs naturally as periclase.Magnesium oxide had high thermal conductivity; it gets heated when the electricity was passed through it. Magnesia crucible had a stability of 2400°C in air, 1700°C in reducing atmosphere. Magnesium oxide nanoparticles were obtained from the mixture of magnesium nitrate as precursor and sodium hydroxide as precipitating agent by sol-gel method. Finally,the resultant white crystalline powder of MgO was annealed at various temperatures of 80°C, 135°C and 180°C. The analytical studies (XRD, SEM FTIR, EDAX) reveals the morphological characterization of MgO nanoparticles. The Scanning Electron Microscopy (SEM) indicates the structures of MgO nanoparticles. The crystal size of MgO nanoparticles was obtained by X-Ray Diffraction (XRD). The optical properties of the sample were obtained by UV- Visible spectroscopy. Fourier Transform infrared spectroscopy indicates powdered composition of the sample. EDAX indicates elementary composition of the MgO nanoparticles.

Download Full-text

Heavy Metal Ion Effluent Discharge Containment Using Magnesium Oxide (MgO) Nanoparticles

Materials Today Proceedings ◽

10.1016/j.matpr.2017.01.187 ◽

2017 ◽

Vol 4 (1) ◽

pp. 9-18 ◽

Cited By ~ 4

Author(s):

Tatenda C. Madzokere ◽

A. Karthigeyan

Keyword(s):

Heavy Metal ◽

Magnesium Oxide ◽

Metal Ion ◽

Heavy Metal Ion ◽

Mgo Nanoparticles ◽

Effluent Discharge

Download Full-text

Synthesis of Magnesium Oxide Nanoparticles by Wet Chemical Method and its Antibacterial Activity

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.678.297 ◽

2013 ◽

Vol 678 ◽

pp. 297-300 ◽

Cited By ~ 3

Author(s):

Joghee Suresh ◽

Raja Gopal Rajiv Gandhi ◽

Samayanan Selvam ◽

Mahalingam Sundrarajan

Keyword(s):

Magnesium Oxide ◽

Large Scale ◽

Chemical Method ◽

Diffusion Method ◽

Oxide Nanoparticles ◽

Wet Chemical Method ◽

Sem Images ◽

Mgo Nanoparticles ◽

Magnesium Oxide Nanoparticles ◽

Wet Chemical

Wet chemical method was applied to prepare magnesium oxide nanoparticles using magnesium nitrate and sodium hydroxide as precursors in presence of starch as stabilizing agent. The XRD analysis of MgO nanoparticles showed the average particles size of crystallite as 12nm. SEM images also proved the crystalline nature of MgO nanoparticles. Antibacterial studies were done on gram positive (S. aureus) and gram negative (E.coli) bacteria using the above prepared nanoparticles by agar diffusion method. The zone of inhibition was found to more in S.aureus compared to E.coli. Since this method of preparation produced better yield in simple and cost effective way, it can be applied for large scale preparation of magnesium oxide nanoparticles.

Download Full-text