- Adsorption and biosorption for pollutant removal
- Covalent Organic Framework Applications
- Nanomaterials for catalytic reactions
- Chemical Synthesis and Characterization
- Metal-Organic Frameworks: Synthesis and Applications
- Molecular Sensors and Ion Detection
- Solar-Powered Water Purification Methods
- Graphene and Nanomaterials Applications
- Water Quality Monitoring Technologies
- Supercapacitor Materials and Fabrication
- Phosphorus and nutrient management
- Graphene research and applications
- Advanced Photocatalysis Techniques
- Electrochemical sensors and biosensors
- Constructed Wetlands for Wastewater Treatment
- Environmental remediation with nanomaterials
- Solar Thermal and Photovoltaic Systems
- Membrane Separation Technologies
- Carbon and Quantum Dots Applications
- Analytical Chemistry and Sensors
- Advanced biosensing and bioanalysis techniques
- Analytical chemistry methods development
- Electrocatalysts for Energy Conversion
- Electrochemical Analysis and Applications
- Pharmacological Effects and Assays
Mansoura University
2014-2025
Liwa College
2022
William V. S. Tubman University
2022
Virginia Commonwealth University
2017-2021
Division of Chemistry
2018-2020
University of Richmond
2018-2020
American University of Beirut
1970
Silver nanoparticles (Ag-NPs) exhibit vast potential in numerous applications, such as wastewater treatment and catalysis. In this study, we report the green synthesis of Ag-NPs using Acacia ehrenbergiana plant cortex extract to reduce cationic Rhodamine B (RhB) dye for antibacterial antifungal applications. The involves three main phases: activation, growth, termination. shape morphologies prepared were studied through different analytical techniques. results confirmed successful...
In this study, stems and leaves of the papaya plant were employed to prepare a high-quality porous adsorbent via carbonization chemical activation using phosphoric acid.
A novel chelating adsorbent, based on the chemical modification of graphene oxide by functionalization amidinothiourea to form 2-imino-4-thiobiuret-partially reduced (IT-PRGO), is used for effective extraction toxic metal ions Hg(II), Cu(II), Pb(II), Cr(VI), and As(V) from wastewater. FTIR Raman spectroscopy, XRD, XPS confirm successful incorporation groups within partially GO nanosheets through nucleophilic substitution reactions with acyl chloride in chemically modified GO. The IT-PRGO...
Highly efficient, flexible, low weight, and cost effective Plasmonic Functionalized Cotton (PFC) nanocomposites for efficient solar desalination wastewater purification.
Solar energy is the cleanest and most abundant renewable natural resource available. Materials for solar photothermal conversion are highly sought after their cost savings, clean environment, broad utility in providing water heating and/or steam many applications including domestic solar-driven desalination. Water desalination via generation considered one of important technologies to address increasing pressing global scarcity. The current thermal systems rely on use copper or aluminum...
Improved graphene oxide (IGO) is chemically modified with chloroacetic acid and ethylene diamine to form carboxylated improved (IGO-COOH), aminated (IGO-NH2), imino-diacetic (Imino-IGO). These novel solid phase adsorbents are utilized adsorb mercury ions from aqueous solutions. The IGO, IGO-COOH, IGO-NH2, Imino-IGO fully characterized by FT-IR, UV–Vis, XPS, XRD, SEM, TEM, Raman spectroscopy. Batch adsorption experiments conducted evaluate the of Hg(II) under different conditions. effects pH,...
This study investigates the preparation of a novel chelating adsorbent (AT-MAC), based on chemical modification activated carbon (AC) derived from water hyacinth (WH) via functionalization with 2-aminothiazole legend (AT), and then utilizing it for effective removal Pb(II) Hg(II) ions polluted water. FTIR XPS spectroscopy confirm successful incorporation amine thiol groups within porous through amidation reaction between carboxylic in presence DCC as cross coupling agent. The AT-MAC...
The effectiveness of organic and inorganic adsorbents in treating water contaminated with potentially toxic elements (PTEs) is primarily influenced by their hydrophilicity complexation abilities.
In this study, the novel adsorbent UIO-66-IT was synthesized to extract mercury and phosphate ions from contaminated water. The synthetic strategy involved preparation of metal–organic framework (UIO-66-NH2) followed by post-synthetic modification using chelating ligand 2-imino-4-thiobiuret form adsorbent. structure morphology were investigated a variety analytical techniques including Fourier transform infrared, X-ray diffraction, photoelectron spectroscopy, scanning electron microscopy,...
A novel chelating adsorbent, based on the functionalization of activated carbon (AC) derived from water hyacinth (WH) with melamine thiourea (MT) to form thiourea-modified (MT-MAC), is used for effective removal Hg
In this work, we reported the synthesis of amorphous zirconium phosphate graphitic carbon nitride (a-ZrP/g-C3N4) composite via formation (a-ZrP) onto surface (g-C3N4) nanosheets. The prepared a-ZrP-g-C3N4 was characterized by different analytical techniques. FTIR, XRD, TEM, SEM, XPS, and PET area confirmed successful preparation nanocomposite with a high (60 m2/g) pore width less than 2 nm. showed superior photocatalytic efficiency for degradation indigo carmine (IC) dye compared to At room...
Heavy metal ions are highly toxic and widely spread as environmental pollutants. This work reports the development of two novel chelating adsorbents, based on chemical modifications graphene oxide zirconium phosphate by functionalization with melamine-based ligands for effective selective extraction Hg(ii) Pb(ii) from contaminated water sources. The first adsorbent melamine, thiourea-partially reduced (MT-PRGO) combines heavier donor atom sulfur amine triazine nitrogen's functional groups...
This work reports the synthesis of an innovative multifunctional carbon nitride based adsorbent and its successful application for removal crystal violet (CV) methylene blue (MB) from wastewater. The functionalized graphitic (f/g-CN) was produced by pyrolysis melamine followed thermal alkali treatment to introduce OH, NH
Heavy metal ions represent one of the most toxic and environmentally harmful pollutants water sources. This work reports development a novel chelating nitrogen-doped carboxylated porous carbon (ND-CPC) adsorbent for effective removal heavy Pb(II), Hg(II), Cr(VI) from contaminated polluted The ND-CPC is designed to combine four different types nitrogen functional groups (graphitic, pyrrolic, pyridinic, pyridine oxide) with carboxylic acid within high surface area 1135 ± 20 m2/g structure....
Water desalination via solar steam generation is one of the most important technologies to address increasingly pressing global water scarcity. Materials for photothermal energy conversion are highly sought after their cost savings, environmental friendliness and broad utility in many applications including domestic heating solar-driven desalination. Herein, we report successful development metal-free, low weight effective functionalized carbonized cotton (CC) fibers efficient wastewater...
Abstract Heavy metal ion pollution is always a serious problem worldwide. Therefore, monitoring heavy ions in environmental water crucial and difficult step to ensure the safety of people environment. A mercury (Hg 2+ ) fluorescence probe with excellent sensitivity selectivity described here. The functionalized graphitic carbon nitride nanosheets (T/G-C 3 N 4 was fabricated using melamine as precursor by pyrolysis technique, followed rapid KOH heat treatment method for 2 min. chemical...
A high-performance dye adsorbent of Mg/Al-layered double hydroxide modified water hyacinth hydrochar (MgAl@WH) was synthesized by a simple hydrothermal method.
A novel chelating adsorbent based on (3-iminodiacetic acid) propyltriethoxysilane graphene oxide (IAT-GO) has been developed, showing exceptional promise for capturing lead. IAT-GO is made by combining a high-surface-area with specially designed ligand, which can selectively and efficiently remove The synthesis of involves two-step progression. In the first step, covalent bonds form between (3-aminopropyl)-triethoxysilane (AT) through hydrolysis, condensation, epoxide ring opening reactions....