Eman M. Abd El-Monaem

• PhD
• Alexandria University

This study presents the synthesis of hybrid mesoporous sulphur-doped CoMn oxide @ cobalt alginate-derived carbon spongy-like beads (M-CoACBs) to remove methylene blue (MB) dye from aqueous solutions. The M-CoACBs were synthesized through a two-step process, followed by extensive characterization using SEM, EDX-mapping, XPS, XRD, and N2 adsorption-d...

Herein, a heterogeneous Fenton-like catalyst was designed by immobilizing iron oxide (FeS) and nickel sulfide (NiS) on the surface of β-cyclodextrin (β-CD), creating a NiS/FeS@β-CD composite for degrading triphenylmethane cresol red dye. Varied instruments were used to study the physical and chemical characteristics of the NiS/FeS@β-CD catalyst. Th...

The development of eco-friendly insecticides with the ability to overcome insecticide resistance remains a thorny issue. This study therefore intends to evaluate the effectiveness of green synthesized nickel ferrite nanoparticles (NiFe2O4 NPs) as nanopesticides in this first report using darkling beetles, Blaps polychresta, as a model. The biosynth...

Green synthesis of nanoparticles has emerged as a significant strategy to develop effective and eco-friendly insecticide agents to combat insecticide resistance and preserve environmental integrity and biodiversity. This study was thus designed to fabricate novel green synthesized NiFe2O4 nanoparticles (NiFe NPs) and investigate their potential ins...

Herein, the magnetic ZVCo-MIL-88 A(Fe)@β-CD composite was fabricated via post-synthetic decoration of MIL-88 A(Fe)@β-CD with ZVCo to produce a magnetic efficient adsorbent for Cr(VI) removal. The experimental findings denoted that the ZVCo decoration boosted the adsorption capability of MIL-88 A(Fe)@β-CD, where the adsorption % of Cr(VI) improved f...

Our study intended to exploit the magnetic property and the metal species of tin ferrite (SnFe2O4), the continuous redox cycle of FeCoNi-layered ternary hydroxides (FeCoNi-LTH), and the storage-release effect of the β-cyclodextrin (β-CD) to construct an advanced Fenton-like catalyst to degrade tetracycline (TC). The experimental results implied hig...

Abstract Cancer remains a critical global health challenge, being the second leading cause of death worldwide, following cardiovascular illnesses. Traditional chemotherapy is hampered by several limitations, including poor water solubility, inadequate bioavailability, non-specific targeting, rapid development of drug resistance, and collateral dama...

The application of smart pH-sensitive carriers has become an ideal choice for administering drugs with desired release profiles. Although pH-sensitive microbeads offer distinct benefits for delivering anticancer drugs orally, they encounter drawbacks, including low encapsulation efficiency, weak mechanical stability, biocompatibility concerns, and...

Since enormous amounts of antibiotics are consumed daily by millions of patients all over the world, tons of pharmaceutical residuals reach aquatic bodies. Accordingly, our study adopted the Fenton catalytic degradation approach to conquer such detrimental pollutants. (Ce0.33Fe) MIL-88A was fabricated by the hydrothermal method; then, it was suppor...

A novel eco-friendly adsorbent was fabricated by mixing mushroom-derived cadmium sulfide and polyethyleneimine-functionalized biochar that was fabricated from coffee waste with a chitosan biopolymer. The green-synthesized CdS/PEI-BC/CTS composite was analyzed using several characterization methods to identify its morphological, compositional, and s...

Worldwide industrialization has grown at a rapid pace, contaminating water resources, particularly with phenolic pollutants that pose a risk to aquatic systems and human health. The goal of this study is to create an inexpensive magnetic composite that can effectively remove nitrophenol (o-NP) using adsorptive means. In this instance, a nonanyl chi...

Eco-friendly and renewable composite beads were constructed for efficient adsorptive removal of Cr (VI) ions. Attapulgite (ATP) clay decorated with cetylpyridinium bromide (CPBr) was impregnated into cellulose acetate (CA) beads, which were formulated through a simple and cost-effective solvent-exchange approach. FTIR, XRD, SEM, Zeta potential, and...

Herein, a novel, green, and sustainable MoO 3 /ZIF-67/AmGO composite has been fabricated for the removal of notorious o-nitrophenols ( o -NPs) from wastewater. Atriplex halimus L. (saltbush) served a dual function where the plant extract was used for the synthesis of molybdenum trioxide (MoO 3 ) NPs, while the spent biomass-derived biochar was util...

The rapid advancements in nanotechnology in the field of nanomedicine have the potential to significantly enhance therapeutic strategies for cancer treatment. There is considerable promise for enhancing the efficacy of cancer therapy through the manufacture of innovative nanocomposite materials. Metallic nanoparticles have been found to enhance the...

The adsorption property of the costless green cellulose acetate (CA) was boosted by the dual modifications: inner modification by incorporating carboxylated graphene oxide (COOH-GO) into the CA spheres and outer modification by the surface modification of the COOH-GO@CA spheres by iminodiacetic acid (IDA) for removing Pb(II). The adsorption experim...

Crystal violet (CV), identified as a potential carcinogen, is a synthetic dye prevalent in wastewater from textile and paint industries. Therefore, the current study demonstrates that the hybrid composite of mesoporous magnetic α-Fe2O3 nanoparticles @ sheet-like MgO (Fe2O3@MgO) can be employed as a potential effective sorbent and photocatalyst for...

Membrane filtration is a major process used in the energy, gas separation, and water treatment sectors, yet the efficiency of current membranes is limited. Here, we review the use of machine learning to improve membrane efficiency, with emphasis on reverse osmosis, nanofiltration, pervaporation, removal of pollutants, pathogens and nutrients, gas s...

Nanomaterials have been rapidly developed during the last decades, yet many nanoparticles synthesized by classical methods are toxic and their synthesis procedure is not sustainable. Here we review the green synthesis of nanoparticles from biomass and waste with a focus on synthetic mechanisms and applications in energy production and storage, medi...

This study intended to fabricate a novel Fenton-like catalyst by supporting the rod-like MIL-88A and the magnetic tin ferrite nanoparticles (SnFe2O4) on the MXene sheets (MIL-88A/SnFe2O4@MXene). The well fabrication and determination of the MIL-88A/SnFe2O4@MXene properties were investigated using SEM, XPS, VSM, Zeta potential, XRD, and FTIR tools....

The auspicious merits of polysaccharides make them eminent choices in numerous fields, particularly water remediation. Nonetheless, polysaccharides like chitosan (CTS) suffer from low adsorbability. Meanwhile, the recent revolution in material science has produced substances with supreme adsorbability, such as metal-organic frameworks (MOFs). Conse...

Water pollution by synthetic anionic dyes is one of the most critical ecological concerns and challenges. Therefore, there is an urgent need to find an efficient adsorbent and photocatalyst for dye removal. In the present study, we aimed to fabricate a hybrid mesoporous composite of spongy sphere-like SnO2 and three-dimensional (3D) cubic-like MgO...

Water pollution is an aggravating dilemma that is extending around the world, threatening human survival. Strikingly, the notorious heavy metals like hexavalent chromium ions (Cr6+) cause environmental problems raising awareness of the essentials for finding feasible solutions. For this purpose, the self-floating Ni-FeLDH@MWCNT@CA microbeads were p...

A novel flower-like CuNiMn-LDH was synthesized and modified, to obtain a promising Fenton-like catalyst, Fe3O4@ZIF-67/CuNiMn-LDH, with a remarkable degradation of Congo red (CR) utilizing H2O2 oxidant. The structural and morphological characteristics of Fe3O4@ZIF-67/CuNiMn-LDH were analyzed via FTIR, XRD, XPS, SEM-EDX, and SEM spectroscopy. In addi...

Access to drinkable water is becoming more and more challenging due to worldwide pollution and the cost of water treatments. Water and wastewater treatment by adsorption on solid materials is usually cheap and effective in removing contaminants, yet classical adsorbents are not sustainable because they are derived from fossil fuels, and they can in...

Degradation of organic contaminants into less toxic substances is the best option to remove these compounds rather than using conventional techniques. The sulfate radical-based-advanced oxidation process is an effective strategy that degrades organic contaminants by activating peroxymonosulfate (PMS). Such a strategy generates singlet oxygen ( ¹ O...

The energy crisis and environmental pollution have recently fostered research on efficient methods such as environmental catalysis to produce biofuel and to clean water. Environmental catalysis refers to green catalysts used to breakdown pollutants or produce chemicals without generating undesirable by-products. For example, catalysts derived from...

Water pollution is a dreadful affair that has incessantly aggravated, exposing our planet to danger. In particular, the persistent nitro aromatic compound like nitrophenols causes anxiety to the researchers due to their hazardous impacts, excessive usage, and removal difficulty. For this purpose, a novel multi-featured composite was constructed bas...

Climate change issues are calling for advanced methods to produce materials and fuels in a carbon–neutral and circular way. For instance, biomass pyrolysis has been intensely investigated during the last years. Here we review the pyrolysis of algal and lignocellulosic biomass with focus on pyrolysis products and mechanisms, oil upgrading, combining...

The proliferation of noxious anions particularly phosphate into water bodies depreciates the ecological system and adversely affects human health and the environment. The development of efficient, cleaner and sustainable adsorbents for removing phosphate has become crucial. Herein, new eco-friendly, cleaner and reusable Lanthanum-doped aminated gra...

Herein, a novel sandwich-like α -ketoglutaric acid Schiff base-aminated chitosan composite ( α -kGl-AmCsSB) was fabricated by reacting α -ketoglutaric acid and aminated chitosan. The as-fabricated α -kGl-AmCsSB was inspected by diversified characterization tools to determine its morphology, surface charge, and chemical composition as well as define...

This study intends to develop a novel bioactive chitosan Schiff base (CTS-SB) derivative via coupling of chitosan (CTS) with 4-((5, 5-dimethyl-3-oxocyclohex-1-en-1-yl) amino) benzene-sulfonamide. The alteration in the chemical structure of CTS-SB was verified using 1 H NMR and FT-IR analysis, while the thermal and morphological properties were insp...

The present study aimed to develop an efficient superabsorbent hydrogel for water conservation and slow release of Ethephon in sandy soil. Herein, carboxymethyl cellulose (CMC) was grafted via a free radical polymerization technique with acrylamide and 2-Acrylamido-2-methylpropanesulfonic acid (AMPS) as hydrophilic monomers. The developed CMC-g-(PA...

In this study, a novel magnetic organic-inorganic composite was fabricated. Where, Chitosan, sulfacetamide and ethylacetoacetae were used to prepare a new Sulfacetamide-Ethylacetoacetate hydrazone-chitosan Schiff-base (SEH-CSB) with a variety of active sites that capable of forming coordinate covalent bonds with Cr(VI). This was followed by modific...

In this investigation, new porous adsorbent beads were formulated via the incorporation of graphene oxide (GO) into cellulose acetate beads (CA) for the adsorptive removal of methylene blue (MB) dye. The experimental results signified that the adsorption of MB dye increased with the increase in the GO ratio from 10 to 25%. In addition, the adsorpti...

The importance of different polymorphic forms of iron oxide nanoparticles attracted a lot of attentions in various applications due to their unique electrical, optical and magnetic properties. Moreover, the excellent biocom-patibility, high surface area, spherical shape, tunable nanoscale size and the availability of synthesis route make them desir...

Metal-organic frameworks are porous polymeric materials formed by linking metal ions with organic bridging ligands. Metal-organic frameworks are used as sensors, catalysts for organic transformations, biomass conversion, photovoltaics, electrochemical applications, gas storage and separation, and photocatalysis. Nonetheless, many actual metal-organ...

The jeopardy of the synthetic dyes effluents on human health and the environment has swiftly aggravated, threatening human survival. Hence, sustained studies have figured out the most acceptable way to eliminate this poisonous contaminant. Thereby, our investigation aimed to fabricate montmorillonite/magnetic NiFe2O4@amine-functionalized chitosan (...

Removal of pharmaceutical wastes, especially antibiotics, from aquatic systems is an imperative issue from both human-health and ecological perspectives. Herein, zwitterionic Universitetet i Oslo/Zeolitic imidazolate binary metal-organic framework/[email protected] acetate composite (UiO-66/ZIF-8/[email protected]) were fabricated in the form of fl...

New multi-featured adsorbent beads were fabricated through impregnation of sulfonated graphene (SGO) oxide into cellulose acetate (CA) beads for fast adsorption of cationic methylene blue (MB) dye. The formulated SGO@CA composite beads were thoroughly characterized by several tools including FTIR, TGA, SEM, XRD, XPS and zeta potential. The optimal...

In this study, a multi-featured adsorbent was developed for the adsorptive removal of hexavalent chromium (Cr⁶⁺) ions. Herein, aminated graphene oxide (GO-NH2) was firstly synthetized and incorporated into cellulose acetate beads (CA) which were followed by surface amine-functionalization process. Varies characterization tools such as FT-IR spectro...

During COVID-19 crisis, water pollution caused by pharmaceutical residuals have enormously aggravated since millions of patients worldwide are consuming tons of drugs daily. Antibiotics are the preponderance pharmaceutical pollutants in water bodies that surely cause a real threat to human life and ecosystems. The excellent characteristics of chito...

The huge development of the industrial sector has resulted in the release of large quantities of phosphate anions which adversely affect the environment, human health, and aquatic ecosystems.

With globally increased human population and industrialization, the natural sources of water are reduced and then contaminated. Therefore, development of advanced technologies for the efficient water treatment is becoming of the scope of each of the nation. One of the cost-effective and well-known technologies for wastewater treatment is adsorption...

The aqueous extract of P. salicifolium leaves was employed in the green synthesis of platinum nanoparticles (PS-PtNPs) by an immediate, one step, cost-effective procedure in the current investigation. PS-PtNPs were characterized via several techniques including UV-Visible spectroscopy, Fourier Transform Infrared (FT-IR) spectroscopy, X-ray diffract...

Green-based materials represent a new promising class of ecofriendly and economic adsorbents. Herein, nano zero-valent iron supported-lemon derived biochar (NZVI-LBC) was prepared for the first time and examined in the adsorptive removal of methylene blue as a model pollutant. Different characterization tools were used to ensure the successful fabr...

Herein, green platinum nanoparticles (PtNPs) were synthesized using an aqueous extract of Atriplex halimus leaves as a reductant. Atriplex platinum nanoparticles (At-PtNPs) were stable for up to three months. At-PtNPs were characterized by several techniques including UV-Visible spectroscopy, Fourier Transform Infrared (FT-IR) spectroscopy, X-ray d...

In this investigation, we aimed to fabricate easy separable composite microbeads for efficient adsorption of tetracycline (TC) drug. MIL-125(Ti)/MIL-53(Fe) binary metal organic framework (MOF) was synthetized and incorporated with carbon nanotube (CNT) into alginate (Alg) microbeads to form MIL-125(Ti)/MIL-53(Fe)/CNT@Alg composite microbeads. Vario...

The tremendous development in the industrial sector leads to discharging of the several types of effluents con- taining detrimental contaminants into water sources. Lately, the proliferation of toxic anions particularly phos- phates and nitrates onto aquatic systems certainly depreciates the ecological system and causes a deadly serious problem. Ch...

Herein, we report a new metal−organic framework (MOF)-based composite beads adsorbent made via incorporating UiO-66 MOF, carboxylated graphene oxide (GOCOOH) into sodium alginate for efficient removal of methylene blue dye, and Cu 2+ ions. The successful fabrication of the synthesized UiO-66/ GOCOOH@SA composite beads was confirmed by means of X-ra...

An efficient composite was constructed based on aminated chitosan (NH 2 Cs), attapulgite (ATP) clay and magnetic Fe 3 O 4 for adsorptive removal of Cr(VI) ions. The as-fabricated ATP@Fe 3 O 4 -NH 2 Cs composite was characterized by Fourier Transform Infrared Spectroscopy (FTIR), Thermal Gravimetric Analyzer (TGA), Scanning Electron Microscope (SEM)...

Metal organic frameworks (MOFs) have become premium candidates for the removal of hazardous contaminants from wastewater. However, MOFs have a vast obstacle which is their poor recyclability. In this study, ZIF-67 was decorated with magnetic Fe3O4 nanoparticles, and then embedded into aminated chitosan (AmCs) matrix to form core-dual shell Fe3O4/ZI...

A zero valent iron-loaded nano-bentonite interca-lated carboxymethyl chitosan (nZVI@nBent−CMC) composite was fabricated and characterized by FT-IR, TEM, TEM−EDX, XRD, BET surface area, and zeta potential measurements. The as-fabricated nZVI@nBent−CMC composite exhibited excellent removal efficiency for both anionic Congo red (CR) dye and cationic c...

In our study, a simple strategy to fabricate an efficient cobalt-based nanocatalyst is reported. The as-fabricated cobalt nanoparticles supported on reduced aminefunctionalized graphene oxide (Co@ RGO-NH2) has been fabricated through reduction of Co2+ and GO-NH2 by sodium borohydride under mild conditions. The morphology, elemental analysis, chemic...

MIL-101(Fe) iron-benzene dicarboxylate based metal-organic framework (MOF) was synthesized via a solvothermal method for adsorptive removal of cationic methylene blue (MB) dye from aque-ous solution. The prepared MIL-101(Fe) was characterized by X-ray diffraction, Fourier transform infrared spectroscopy, scanning electron microscopy, transmission e...

This study provides a novel composite as an efficient adsorbent of cationic methylene blue dye. UiO-66/MIL-101(Fe) binary metal organic framework (MOF) was fabricated using a solvothermal technique. Additionally, the developed binary MOF was modified with carboxylated graphene oxide (GOCOOH) using a post-synthetic technique. The as-fabricated UiO-6...

This study aimed to prepare a corn straw-derived biochar supported nZVI magnetic composite (nZVI/BC) and evaluate its efficiency in adsorption of malachite green dye (MG). The prepared nZVI/BC composite was characterized by XRD, FTIR, TEM, TEM-EDS, VSM, XPS, TGA, zeta potential and BET surface area. The prepared mesoporous composite showed an enhan...