Magnetic polyacrylonitrile-melamine nanoadsorbent (PAN-Mel@Fe3O4) for effective adsorption of Cd (II) and Pb (II) from aquatic area

Article Chemistry, Physical

Hydrolyzed Arabic gum- grafted -polyacrylonitrile@ zinc ferrite nanocomposite as an efficient biocatalyst for the synthesis of pyranopyrazoles derivatives

Fereshte Hassanzadeh-Afruzi et al.

Summary: This study describes a catalytic methodology for the efficient synthesis of pyrazolopyrazole derivatives using an environmentally friendly heterogeneous catalyst, which also demonstrates reusability and stability.

JOURNAL OF MOLECULAR STRUCTURE (2023)

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Article Engineering, Chemical

Thiacalix[4]arene-functionalized magnetic xanthan gum (TC4As-XG@Fe3O4) as a hydrogel adsorbent for removal of dye and pesticide from water medium

Fereshte Hassanzadeh-Afruzi et al.

Summary: A novel Thiacalixarene-functionalized biopolymer nanocomposite hydrogel was designed and prepared as an efficient adsorbent system for the removal of chlorpyrifos (CPF) and crystal violet (CV) from water. The adsorbent system was prepared through multiple steps including magnetization of XG, amine modification, synthesis of TC4As supramolecule, functionalization with epichlorohy-drin, and covalent attachment to obtain the TC4As-XG@Fe3O4 nanocomposite hydrogel. The TC4As-XG@Fe3O4 hydrogel showed superparamagnetic properties and high thermal stability, and exhibited enhanced adsorption capacity compared to neat XG.

SEPARATION AND PURIFICATION TECHNOLOGY (2023)

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Review Materials Science, Multidisciplinary

Recent advances in microwave-absorbing materials fabricated using organic conductive polymers

Reza Peymanfar et al.

Summary: This review discusses the types of conductive polymers used as microwave-absorbing materials and their composites to enhance microwave-absorbing capability. It also explores recent advancements in synthetic strategies and structural properties of pure carbon-based microwave-absorbing materials and other conjugated structures with heteroatoms. The review dissects the predominant microwave-absorbing mechanisms among conductive polymers and their composites, as well as the special mechanisms for tuning microwave-absorbing characteristics. It sheds new light on architecting low-density and high-performance microwave-absorbing structures and offers prospects in tailoring conjugated polymers based on their dominant mechanisms.

FRONTIERS IN MATERIALS (2023)

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Article Engineering, Environmental

Nanocellulose as green material for remediation of hazardous heavy metal contaminants

R. Reshmy et al.

Summary: Nanocellulose shows strong adsorption capabilities, especially in treating heavy metal wastewater. By utilizing nanocellulose, contaminated water sources can be purified more effectively, with the added benefit of low regeneration costs.

JOURNAL OF HAZARDOUS MATERIALS (2022)

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Article Engineering, Chemical

Facile fabrication of a positively charged nanofiltration membrane for heavy metal and dye removal

Junfeng Zheng et al.

Summary: This study successfully synthesized a positively charged P84 NF membrane with high permeance and high selectivity using a simple fabrication method. The modified membrane exhibited excellent water flux and high rejections of heavy metals and positively charged dyes, making it suitable for potential applications in industrial wastewater treatment.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Article Polymer Science

Nanomaterials for the Treatment of Heavy Metal Contaminated Water

Rabia Baby et al.

Summary: Nanotechnology is widely applied in various fields and can help solve environmental problems such as water contamination. Non-carbon nanomaterials have advantages in heavy metal contaminated water and environmental remediation, with great potential for applications.

POLYMERS (2022)

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Article Environmental Sciences

Association between lead and cadmium co-exposure and systemic immune inflammation in residents living near a mining and smelting area in NW China

Honglong Zhang et al.

Summary: Exposure to both cadmium and lead can promote systemic inflammation, and the effects are exacerbated with increased exposure levels. Subjects in the polluted area had significantly higher levels of Cd and Pb in their blood compared to the control area, and differences were observed in immune inflammation biomarkers. High co-exposure to Cd and Pb resulted in higher levels of immune inflammation markers, indicating a correlation between exposure levels and systemic inflammation.

CHEMOSPHERE (2022)

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Article Biochemistry & Molecular Biology

Efficient remediation of chlorpyrifos pesticide from contaminated water by superparamagnetic adsorbent based on Arabic gum-grafted-polyamidoxime

Fereshte Hassanzadeh-Afruzi et al.

Summary: A novel organic/inorganic biosorbent hydrogel nanocomposite was prepared and characterized. The adsorption efficiency of the nanocomposite for chlorpyrifos was studied, and it was found to have a high adsorption capacity and excellent regeneration and reusability.

INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES (2022)

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Article Engineering, Chemical

Efficient removal of Pb(II)/Cu(II) from aqueous samples by a guanidine-functionalized SBA-15/Fe3O4

Fereshte Hassanzadeh-Afruzi et al.

Summary: A magnetic mesoporous nanoadsorbent Fe3O4@SBA-15-Gd has been prepared through a multistep fabrication process for effectively removing Cu(II) and Pb(II) heavy metals from aqueous solutions. The adsorbent showed remarkable adsorption capacity and selectivity towards Cu(II) and Pb(II) due to the formation of chelating groups on the support material.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Article Multidisciplinary Sciences

Tandem oxidative amidation of benzylic alcohols by copper(II) supported on metformin-graphitic carbon nitride nanosheets as an efficient catalyst

Hossein Ghafuri et al.

Summary: In this research, an efficient heterogeneous catalyst based on graphitic carbon nitride nanosheets (CN) was synthesized and evaluated for the oxidation of benzyl alcohols. The catalyst, CN-Pr-Met-Cu(II), showed high efficiency in the synthesis of amides, with 75-95% yield. It exhibited good separation and reusability without significant reduction in reaction efficiency for 7 consecutive runs.

SCIENTIFIC REPORTS (2022)

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Review Chemistry, Multidisciplinary

Nano Modifications of Biochar to Enhance Heavy Metal Adsorption from Wastewaters: A Review

Radha Ahuja et al.

Summary: This article discusses the preparation and mechanism of nano-based biochar hybrids for removing heavy metal pollution, as well as the effects of different preparation processes on the properties and adsorption capacity of the materials. The potential risks of the hybrids are also reviewed, and future research directions are proposed.

ACS OMEGA (2022)

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Article Chemistry, Physical

Highly efficient removal of Pb(II) and Cd(II) ions using magnesium hydroxide nanostructure prepared from seawater bittern by electrochemical method

Hanif Amrulloh et al.

Summary: Magnesium hydroxide (Mg(OH)(2)) nanostructure was successfully synthesized from seawater bittern via electrochemical method, showing high adsorption capacity for heavy metal ions and promising prospects for large-scale applications.

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS (2021)

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Review Environmental Sciences

Biodegradable polymers and their nano-composites for the removal of endocrine-disrupting chemicals (EDCs) from wastewater: A review

Miral Al Sharabati et al.

Summary: Endocrine-disrupting chemicals (EDCs) interfere with natural hormones in the endocrine system, leading to adverse effects on human and animal health, making their removal from wastewater vital. Adsorption has been proposed as a promising method for EDC removal, with biodegradable polymers showing potential as effective adsorbents. The use of natural and synthetic biodegradable polymers for EDC removal in wastewater treatment is still limited, but holds promise for future exploration in sustainable adsorbents.

ENVIRONMENTAL RESEARCH (2021)

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Review Chemistry, Multidisciplinary

A Review on Heavy Metal Ions and Containing Dyes Removal Through Graphene Oxide-Based Adsorption Strategies for Textile Wastewater Treatment

Sasireka Velusamy et al.

Summary: Textile wastewater heavy metal pollution has become a severe global environmental issue, with significant impacts on natural water resources and human health. Graphene oxide as an adsorbent exhibits advantages in efficient removal of heavy metal ions, playing a crucial role in the remediation of textile wastewater.

CHEMICAL RECORD (2021)

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Review Chemistry, Physical

Construction of multiple interfaces and dielectric/magnetic heterostructures in electromagnetic wave absorbers with enhanced absorption performance: A review

Junye Cheng et al.

Summary: This article reviews the research progress of high-efficiency EM wave absorbers with multiple interfaces and dielectric/magnetic heterostructures, discussing EM attenuation mechanisms and proposing challenges for future development.

JOURNAL OF MATERIOMICS (2021)

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Article Engineering, Environmental

Development of an efficient electrochemical process for removing and separating soluble Pb(II) in aqueous solutions in presence of other heavy metals: Studies of key parameters

R. Choumane et al.

Summary: The electrochemical process efficiently removes Pb(II) from wastewater by forming adherent thin films of oxides under specific potential and pH conditions, reaching acceptable concentrations for environmental and drinking water standards with low energy input. The process was successfully applied to wastewater from a treatment plant, demonstrating its effectiveness in separating and purifying lead-containing wastewater.

CHEMICAL ENGINEERING JOURNAL (2021)

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Review Engineering, Environmental

Composite of Natural Polymers and Their Adsorbent Properties on the Dyes and Heavy Metal Ions

Gizem Ozge Kayan et al.

Summary: Natural polymers, such as chitosan, have great potential in removing dyes and heavy metal ions due to their higher adsorption capacities and improved handling properties as composite materials.

JOURNAL OF POLYMERS AND THE ENVIRONMENT (2021)

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Article Environmental Sciences

Efficient performance of magnesium oxide loaded biochar for the significant removal of Pb2+ and Cd2+ from aqueous solution

Qingliang Shi et al.

Summary: Lead (Pb) and cadmium (Cd) are typical heavy metals in aqueous solution, known to have adverse health effects. Magnesium oxide (MgO) nanoparticles-biochar composites (MBC) show excellent removal efficiency for Pb(II) and Cd(II), with a maximum theoretical adsorbing amount and potential for broad application in wastewater treatment due to low cost and facile preparation.

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY (2021)

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Article Polymer Science

Microwave-assisted melamine-based polyaminals and their application for metal cations adsorption

Ricardo Sandin et al.

Summary: Three new cross-linked melamine-based polyaminal networks were easily prepared by microwave irradiation with high nitrogen content, specific surface area, and thermal stability. Among them, MA-Py showed the highest adsorption capacities for Cr(VI), Cd(II), and Pb(II), competitive with commercial ion exchange resins.

EUROPEAN POLYMER JOURNAL (2021)

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Article Materials Science, Multidisciplinary

Highly facilitated synthesis of phenyl(tetramethyl)acridinedione pharmaceuticals by a magnetized nanoscale catalytic system, constructed of GO, Fe3O4 and creatine

Reza Eyvazzadeh-Keihan et al.

DIAMOND AND RELATED MATERIALS (2020)

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Article Multidisciplinary Sciences

High and fast adsorption of Cd(II) and Pb(II) ions from aqueous solutions by a waste biomass based hydrogel

Mingyue Zhang et al.

SCIENTIFIC REPORTS (2020)

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Article Chemistry, Applied

Facile preparation of polyacrylamide/chitosan/Fe3O4 composite hydrogels for effective removal of methylene blue from aqueous solution

Cheng Zhang et al.

CARBOHYDRATE POLYMERS (2020)

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Development of multifunctional polyacrylonitrile/silver nanocomposite films: Antimicrobial activity, catalytic activity, electrical conductivity, UV protection and SERS-active sensor

Mohamed Rehan et al.

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Exceptionally porous three-dimensional architectural nanostructure derived from CNTs/graphene aerogel towards the ultra-wideband EM absorption

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COMPOSITES PART B-ENGINEERING (2020)

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Melamine-based functionalized graphene oxide and zirconium phosphate for high performance removal of mercury and lead ions from water

Ayyob M. Bakry et al.

RSC ADVANCES (2020)

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High efficient dye removal with hydrolyzed ethanolamine-Polyacrylonitrile UF membrane: Rejection of anionic dye and selective adsorption of cationic dye

Jianhua Yun et al.

CHEMOSPHERE (2020)

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An overview of synthetic modification of nitrile group in polymers and applications

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Aminopropyl Functionalised MCM-41: Synthesis and Application for Adsorption of Pb(II) and Cd(II)

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Boosted Interfacial Polarization from Multishell TiO2@Fe3O4@PPy Heterojunction for Enhanced Microwave Absorption

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SMALL (2019)

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Predicted Efficient Visible-Light Driven Water Splitting and Carbon Dioxide Reduction Using Photoredox-Active UiO-NDI Metal Organic Framework

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Novel Fe3O4/hydroxyapatite/β-cyclodextrin nanocomposite adsorbent: Synthesis and application in heavy metal removal from aqueous solution

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APPLIED ORGANOMETALLIC CHEMISTRY (2019)

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Melamine-Schiff base/manganese complex with denritic structure: An efficient catalyst for oxidation of alcohols and one-pot synthesis of nitriles

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JOURNAL OF COLLOID AND INTERFACE SCIENCE (2018)

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Functionalization of nanosilica via guanidinium ionic liquid for the recovery of gold ions from aqueous solutions

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JOURNAL OF MOLECULAR LIQUIDS (2018)

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A new low-cost polymeric adsorbents with polyamine chelating groups for efficient removal of heavy metal ions from water solutions

Michal Ceglowski et al.

REACTIVE & FUNCTIONAL POLYMERS (2018)

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Preparation and Heavy Metal Ion Adsorption Behavior of Novel Supermagnetic Nanocomposite of Hydrophilic Thiacalix[4]arene Self-doped Polyaniline: Conductivity, Isotherm, and Kinetic Study

Rafieh-Sadat Norouzian et al.

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Rapid adsorption of Pb, Cu and Cd from aqueous solutions by β-cyclodextrin polymers

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In Situ Stringing of Metal Organic Frameworks by SiC Nanowires for High-Performance Electromagnetic Radiation Elimination

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Cycloadditions in Modern Polymer Chemistry

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Removal of Pb(II) and Cd(II) ions from aqueous solution using polyaniline grafted chitosan

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Removal of some heavy metals from inorganic industrial wastewaters by ion exchange method

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Optimization of amine-terminated polyacrylonitrile synthesis and characterization

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ARABIAN JOURNAL OF CHEMISTRY (2014)

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Removal of Cd (II) ion from waste water by adsorption onto polyaniline coated on sawdust

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Magnetic polyacrylonitrile-melamine nanoadsorbent (PAN-Mel@Fe3O4) for effective adsorption of Cd (II) and Pb (II) from aquatic area

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