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Magnetite NanoparticlesFerrosoferric OxideMagneticsArsenicNanoparticlesMicroscopy, Electron, TransmissionArsenic PoisoningMagnetospirillumMagnetosomesOxidesFerric CompoundsParticle SizeArsenicalsEthmoid BoneGoldEarth (Planet)NanoconjugatesSilverDrug CarriersNanotechnologyMagnetic FieldsIronMarsNanocapsulesWater Pollutants, ChemicalPolyglycolic AcidDrug Delivery SystemsNanomedicineCacodylic AcidChitosanArsenitesMicroscopy, Electron, Scanning TransmissionCystamineNanostructuresArsenatesSilicon DioxideThermoanaerobacterDrinking WaterEncyclopedias as TopicX-Ray DiffractionPseudomonas mendocinaCrystallizationHemosiderinCrystallography, X-Ray
SynthesisFe3O4InorganicMagneticAdsorbentsContaminationCompositesRemoval of arsenicAqueous solutionAdsorptionRemove arsenicAbstractNanoscaleBeneficiationRemediationAffinityEquilibriumCharacterizationParticlesUptakeConcentrationContaminated waterCarbonHighly toxic2019OrganicDemonstrateStructuresIronWidelyChemicalMethodExtractJournalEffectQuantumSizePropertiesExcellentStudyIssueReportProblemMainFormsIndustrial
Synthesis8
  • 2016. "Synthesis and Biochemical Effects of Magnetite Nanoparticle by Surfactant-Free Electrochemical Method in an Aqueous System: The Current Density Effect. (kemenperin.go.id)
  • 2015. "Characterization and Synthesis of Magnetite Nanoparticles by Innovative Sonochemical Method. (kemenperin.go.id)
  • 2007. "Lehigh Preserve Magnetite ( Fe3O4 ): Properties , Synthesis , and Applications. (kemenperin.go.id)
  • 2009. "Synthesis of Magnetite Nanoparticles by Microwave Irradiation and Characterization. (kemenperin.go.id)
  • 2018. "Rapid Synthesis of Nano-Magnetite by Thermal Plasma Route and Its Magnetic Properties. (kemenperin.go.id)
  • For example, an approach that magnetobacteria use has been harnessed to produce the magnetite particles needed for magnetotaxis in the synthesis of semiconductor nanoparticles (Monbouquette Group). (ucla.edu)
  • 1.1] DUBADI, R. - HUANG, S.D. - JARONIEC, M. Mechanochemical Synthesis of Nanoparticles for Potential Antimicrobial Applications. (saske.sk)
  • In 2013, she was awarded with a Post-doctoral fellowship in the group of Prof. Tito Trindade at CICECO - Aveiro Institute of Materials, developing new routes of synthesis and surface modification of inorganic nanoparticles of diverse materials for photocatalytic applications envisaging water remediation (6 years). (cienciavitae.pt)
Fe3O43
  • abstract = "Nanoscale magnetite (Fe3O4) (200 nm assemblies. (edu.sa)
  • A novel advanced magnetic matter adsorbent using magnetite embedded within nanosized Fe3O4 was prepared and applied for separation of arsenic metal ion from aqueous solution. (ijnnonline.net)
  • 2018. Dehydration of glucose to 5-hydroxymethylfurfural by a core-shell Fe3O4@SiO2-SO3H magnetic nanoparticle catalyst. (msstate.edu)
Inorganic4
  • On the other hand inorganic arsenic (As) is associated with iron, cobalt or nickel coupled with sulphide minerals 3 . (ijpsr.com)
  • There are four oxidation states of arsenic (As) such as arsines and methyl arsines (As 3- ), elemental arsenic (As 0 ), arsenite (As 3+ ) and arsenate (As 5+ ), the inorganic form (As 3+ or As 5+ ). (ijpsr.com)
  • Among them the inorganic form (As 3+ or As 5+) of arsenic (As) is highly toxic and mobile in the environment compared to the organic form (As 3- or As 5- ). (ijpsr.com)
  • The widespread contamination and toxicity of inorganic arsenic (As) is an alarming issue as the metalloid does not degrade, nor can it be destroyed in the environment. (ijpsr.com)
Magnetic8
  • This work suggests that magnetite nanocrystals and magnetic separations offer a promising method for arsenic removal. (edu.sa)
  • This adsorbent combines the advantages of magnetic nanoparticles with magnetic separability and high affinity toward arsenic metal ions, which provides distinctive merits including easy preparation, high adsorption capacity, and easy isolation from sample solutions by the application of an external magnetic field. (ijnnonline.net)
  • The effects of pH, contents of loaded magnetic matter nanoparticles, ionic strength, adsorbent dose, contact time, and temperature on adsorption capacity of the magnetic beads were investigated. (ijnnonline.net)
  • A New and Efficient Method for the Adsorption and Separation of Arsenic Metal Ion from Mining Waste Waters of Zarshouran Gold Mine by Magnetic Solid-Phase Extraction with Modified Magnetic Nanoparticles', International Journal of Nanoscience and Nanotechnology , 9(3), pp. 121-126. (ijnnonline.net)
  • Co-Precipitation and Magnetic Properties of Magnetite Nanoparticles for Potential Biomedical Applications. (kemenperin.go.id)
  • In this paper, the use of titania functionalised magnetic nanosorbents for rapid removal of arsenic from the alkaline process waters of gold cyanide leaching systems is considered. (edu.au)
  • The method comprises adding magnetic nanoparticles to the liquid medium comprising the biomolecules, the biomolecules each adapted to bind to res. (sumobrain.com)
  • 2019. Rhodamine B adsorptive removal and photocatalytic degradation on MIL-53-Fe MOF/magnetic magnetite/biochar composites. (msstate.edu)
Adsorbents2
  • All the results suggested that the mentioned nanoparticles could be excellent adsorbents for As(II) and As(III) contaminated water treatment. (ijnnonline.net)
  • The aim of the present study was to purify the chlorpyriphos organophosphate pesticide from the Aquatic environment using adsorbents of carbon nanoparticles in the bioDrOF system. (aejournal.ir)
Contamination1
  • Widespread arsenic contamination of mining wastewater of Zarshouran (West Azerbaijan province) has led to a massive epidemic of arsenic poisoning in the whole of surrounding areas. (ijnnonline.net)
Composites1
  • Water-Dispersible Magnetite-Reduced Graphene Oxide Composites for Arsenic Removal. (ac.ir)
Removal of arsenic1
  • Higher environmental standards have made the removal of arsenic from water an important problem for environmental engineering. (edu.sa)
Aqueous solution1
  • In this report, we demonstrate arsenic removal from an aqueous solution and natural water taken from the Peruvian river (Tambo River in Arequipa, Peru) using magnetite NPs synthesized by the coprecipitation method. (edu.pe)
Adsorption5
  • According to Langmuir's model, the maximum arsenic adsorption capacity of 81.04 mg·g − 1 at pH = 2.5 was estimated, which describes the adsorption process as being monolayer, However, our results suggest that multilayer adsorption can be produced after monolayer saturation in agreement with the Freundlich model. (edu.pe)
  • The objective of this study was to evaluate the potential arsenic adsorption by nanoscale iron oxides, specifically magnetite (Fe 3O4) nanoparticles. (edu.sa)
  • We focused on the effect of magnetite particle size on the adsorption and desorption behavior of As(III) and As(V). The results show that the nanoparticle size has a dramatic effect on the adsorption and desorption of arsenic. (edu.sa)
  • The adsorption behaviors of arsenic from an aqueous medium, using iron magnetite nanoparticles were studied by using equilibrium batch and column flow techniques. (ijnnonline.net)
  • Arsenate Adsorption From Aqueous Solutions On Magnetite Nanoparticles. (confex.com)
Remove arsenic2
  • Its strong and extensive interaction with trace metals and metalloids is used in industry, at large-scale in water purification plants, as in North Germany and to produce the city water at Hiroshima, and at small scale to clean wastewaters and groundwaters, for example to remove arsenic from industrial effluents and drinking water. (wikipedia.org)
  • This paper reviews the natural and anthropogenic occurrence of arsenic in the environment, toxicity of arsenic and newly invented scientific low coast household and the other chemical processes to remove arsenic (As) and its compounds from arsenic-contaminated water and soils in the world as well as in Tripura. (ijpsr.com)
Abstract1
Nanoscale1
  • Interestingly, this increase is more than expected from simple considerations of surface area and suggest that nanoscale iron oxide materials sorb arsenic through different means than bulk systems. (edu.sa)
Beneficiation1
  • compared with hematite and magnetite, goethite has a much more in selection of processing routes to cope good quality hematite iron ore beneficiation magnetite facts figures the the predominant minerals in dso are usually the ferric iron oxides hematite fe 2 o 3, goethite feooh and the main iron mineral in magnetite ore is the. (meblezyga.pl)
Remediation2
  • In situ Arsenic and Lead Stabilization and Remediation in Acidic Soils Using Green Chemistry and Nano Iron Welding Fumes. (confex.com)
  • 2020. Assessing South American Guadua chacoensis bamboo biochar and Fe 3 O 4 nanoparticle dispersed analogues for aqueous arsenic(V) remediation. (msstate.edu)
Affinity2
  • This hysteresis most likely results from a higher arsenic affinity for magnetite nanoparticles. (edu.sa)
  • Its nanoporosity and high affinity for gold can be used to elaborate Fh-supported nanosized Au particles for the catalytic oxidation of CO at temperatures below 0 °C. Dispersed six-line ferrihydrite nanoparticles can be entrapped in a vesicular state to increase their stability. (wikipedia.org)
Equilibrium2
  • The sorption kinetics for the three iron oxides shows that equilibrium is reached in less than 2 days and the kinetics of sorption seems to be faster for goethite and magnetite than for hematite. (meblezyga.pl)
  • The variation of the arsenic sorbed on the three different sorbents as a function of the equilibrium arsenic concentration in solution has been fitted with a noncompetitive Langmuir isotherm. (meblezyga.pl)
Characterization1
Particles1
  • Hematite was prepared by calcination of the obtained magnetite and its particles also had to be ground to sizes (meblezyga.pl)
Uptake2
  • According to the World Health Organisation (WHO), uptake of water contaminated with arsenic (As) levels of over 50 ppb can cause skin lesions and even cancer. (ijpsr.com)
  • Effects of Chromate and Sulfate On Arsenic and Chromium Uptake and Translocation by Arsenic Hyperaccumulator Pteris Vittata L. (confex.com)
Concentration3
  • Tests using natural water taken from Tambo River indicate a significant reduction of arsenic concentration from 356 µg L − 1 to 7.38 µg L − 1 , the latter is below the limit imposed by World Health Organization (10 µg L − 1 ), suggesting that magnetite NPs show great potential for the arsenic removal. (edu.pe)
  • Although, its natural sources are igneous and sedimentary rocks, the anthropogenic source of arsenic (As) plays an important role to maintain its concentration in our environment. (ijpsr.com)
  • The arsenic (As) concentration in the north-eastern states of India is greater than 0.05 mg/l, implying that millions of people are at serious risk of as poisoning 11 . (ijpsr.com)
Contaminated water1
  • Treatment of contaminated water with magnetite (Fe 3 O 4 ) nanoparticles (NPs) can play a crucial role in arsenic removal. (edu.pe)
Carbon1
Highly toxic1
  • The presence of highly toxic contaminants such as arsenic and others, in many cases, represents one of the biggest problems facing the earth´s population. (edu.pe)
20191
  • model, and he suggested in 2019 that the tetrahedral coordination arises from maghemite and magnetite impurities observed by electron microscopy. (wikipedia.org)
Organic1
  • These properties confer a high ability to adsorb many environmentally important chemical species, including arsenic, lead, phosphate, and organic molecules (e.g., humic and fulvic acids). (wikipedia.org)
Demonstrate1
  • By using BHF, we demonstrate that nanoparticle removal is more efficient and fixed bed type cartridge applications are more possible. (edu.sa)
Structures2
  • 12- Cobalt(II), Nickel(II), and Zinc(II) Comp,exes With N, N-bis(Trans-Cinnamaldehyde)-1,2- Diminoethane Ligand, (ca2en): Crystal and Molecular structures of Co(ca 2 en)Cl 2 , Co(ca 2 en)Br 2 , and Ni(ca 2 en)Br 2 , J. Coord. (ac.ir)
  • The iron oxides hematite, magnetite, and goethite were studied with density functional theory to establish a consistent set of structures for both the bulk mineral and key surfaces, characterize surface relaxation, and predict and test calculated scanning tunneling microscopy (STM) images. (meblezyga.pl)
Iron4
  • Hematite Magnetite Goethite and Limonite Other Iron Bearing Minerals Sources. (meblezyga.pl)
  • Goethite, hematite and magnetite are the primary minerals for iron ore. (meblezyga.pl)
  • iron ore magnetite hematite goethite limonite goethite hematite limonite dobermannvereinoyteneu. (meblezyga.pl)
  • Compared with hematite and magnetite, goethite has a much more diverse range of textural forms and occurrences, and its influence on iron ore processing is less understood. (meblezyga.pl)
Widely1
  • Arsenic (As) is widely distributed in water, soil, air and biota from natural and anthropogenic sources 1, 2 . (ijpsr.com)
Chemical1
  • Chemical and Physical Controls On Arsenic Removal From Flowing Irrigation Water In Bangladesh. (confex.com)
Method1
  • Using this method, a cluster model for a gallium arsenide surface has been developed, which identified all the reaction sites on the surface as being an arsenic dimer and two second-layer gallium atoms. (ucla.edu)
Extract1
  • The main discussion in this chapter was the use of cassava plant (Manihot esculenta Crantz) extract nanoparticles (CPENPs) as an additive in coatings to serve as a green corrosion inhibitor for oil and gas pipeline. (intechopen.com)
Journal1
  • Journal of Nanoparticle Research , 14 (7). (edu.sa)
Effect4
  • The desorption process however, exhibits some hysteresis with the effect becoming more pronounced with small nanoparticles. (edu.sa)
  • In the present study, the effect of two formulations of zinc phosphate-based nanoparticles (ZnA and ZnC NPs) on growth performance, intestinal microbiota, antioxidant status, and intestinal and liver morphology was evaluated. (biomedcentral.com)
  • Nevertheless, there are many questions remaining about the safety of nanoparticles and their metabolites for animals and their fate and the effect on the environment. (biomedcentral.com)
  • This study was conducted to investigate the effect of magnetite nanoparticles (MNPs) and magnetite folate core shell (MFCS) on leukemic and hepatocarcinoma cell cultures as well as their effect on the animal model of acute myelocytic leukemia (AML). (bvsalud.org)
Quantum1
  • These nanoparticles exhibit size-dependent physical properties due to quantum confinement of electrons. (ucla.edu)
Size1
  • XRD data analysis of Fe 3 O 4 NPs revealed the formation of the cubic-spinel phase of magnetite with an average crystallite size of ~ 13 nm, which is found in good agreement with the physical size assessed from TEM image analysis. (edu.pe)
Properties1
  • Through current study nanoparticles were synthesized, characterized by various techniques, and their properties were studied to confirm their nanostructure. (bvsalud.org)
Excellent1
  • Each arsenic dangling bond is filled with a pair of electrons, while each gallium dangling bond is empty, in excellent agreement with experimental observations. (ucla.edu)
Study1
  • Invivo study, nanoparticles were evaluated to inspect their cytotoxic activity against SNU-182 (human hepatocellular carcinoma), K562 (human leukemia), and THLE2 (human normal epithelial liver) cells via MTT test. (bvsalud.org)
Issue1
Report1
  • According to the North Eastern Regional Institute of Water and Land Management (NERIWALM) report 2007, the arsenic (As) levels in Assam, Manipur, Tripura and Arunachal Pradesh were above 300 parts per billion (ppb). (ijpsr.com)
Problem1
  • Arsenic is a problem in gold mining, as it can adversely affect operations and poses a health hazard. (edu.au)
Main1
  • The main pathways to exposure to arsenic (As) are ingestion, inhalation and skin contact. (ijpsr.com)
Forms1
  • Finally, in order to constitute a chimeric organism based on chitin, in addition to graphene, and based on chitosan, a derivative of chitin, which have been used for many years to constitute polymers, nanogels and other hydrogels - in synergy with various forms of graphene or other metallic nanoparticles. (xochipelli.fr)
Industrial1
  • The mining, smelting and refining, industrial processes, coal combustion, and waste incineration are released arsenic (As) in the environment. (ijpsr.com)