Ahmed Labena
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View article: Advanced oxidations process using peroxymonosulfate and Ce/ZnCo2O4 nanocomposite for dyes degradation
Advanced oxidations process using peroxymonosulfate and Ce/ZnCo2O4 nanocomposite for dyes degradation Open
View article: Anti-biofouling adsorptive sheet based on polyethersulfone/ dried algal biomass / ZnO nanoparticles for dyes removal
Anti-biofouling adsorptive sheet based on polyethersulfone/ dried algal biomass / ZnO nanoparticles for dyes removal Open
This study aims to develop an environmentally friendly composite matrix for removing dyes from wastewater. The composite matrix was prepared by incorporating finely ground biomass of the seaweed Sargassum dentifolium (S) and zinc oxide nan…
View article: Novel green sustainable hydrogel composites based on guar gum and algal species for wastewater remediation
Novel green sustainable hydrogel composites based on guar gum and algal species for wastewater remediation Open
An innovative approach was developed for removing very potent heavy metal cations and dyes such as lead (Pb +2 ), copper (Cu +2 ) and methylene blue (MB) from simulated solutions at different application conditions. The sorbent material wa…
View article: Detectable quorum signaling molecule via PANI-metal oxides nanocomposites sensors
Detectable quorum signaling molecule via PANI-metal oxides nanocomposites sensors Open
View article: Microbiological study for aerobic and anaerobic bacteria influenced corrosion originated from an Egyptian petroleum company: community and corrosive activity
Microbiological study for aerobic and anaerobic bacteria influenced corrosion originated from an Egyptian petroleum company: community and corrosive activity Open
This research focused on investigating a case of an Egyptian petroleum company, where their fields faced Microbiologically influenced corrosion (MIC) problems, even though they had been using corrosion inhibitors and biocides. Therefore, f…
View article: Biological adsorption and desorption of anionic Congo Red dye by nano composite polymer sheets: cellulose acetate and unhydrolyzed sugarcane bagasse wastes
Biological adsorption and desorption of anionic Congo Red dye by nano composite polymer sheets: cellulose acetate and unhydrolyzed sugarcane bagasse wastes Open
Congo red (CR) is an anionic dye that is released from various industries and demonstrates a negative effect on the environment and human health. Dye`s elimination from the environment is an important challenge; therefore, the aim of this …
View article: Enhanced removal of crystal violet using rawfava bean peels, its chemically activated carbon compared with commercial activated carbon
Enhanced removal of crystal violet using rawfava bean peels, its chemically activated carbon compared with commercial activated carbon Open
Crystal violet is a basic dye that is widely used by various industries, such as textiles and paints. These industries discharge their effluents, contaminated with crystal violet, into water streams, and these effluents have an adverse eff…
View article: Quorum-Signaling Molecule Detection Based on Composite Sensors: Metal Oxides/Conducting Polymer
Quorum-Signaling Molecule Detection Based on Composite Sensors: Metal Oxides/Conducting Polymer Open
N-hexanoyl-l-homoserine lactone (C6-HSL) is a distinctive signal produced by Gram-negative bacterial strains. The signal is used to cell-to-cell communication. Oil and gas companies are suffering from Microbiologically-influence…
View article: Potential applicability of Jatropha curcas leaves in bioethanol production and their composites with polymer in wastewater treatment
Potential applicability of Jatropha curcas leaves in bioethanol production and their composites with polymer in wastewater treatment Open
Among the biggest issues facing the world now are fuel shortages and water contamination. Therefore, the goal of the current study was directed to produce bioethanol from Jatropha curcas leaves and use the residual wastes in the form of co…
View article: Prevalence of Bacteria Inducing Biofilm in Otitis Media with Effusion in Children
Prevalence of Bacteria Inducing Biofilm in Otitis Media with Effusion in Children Open
Background: A number of chronic upper respiratory tract infections have been linked to biofilms. The significance of bacterial biofilms in the development of chronic rhinosinusitis has been extensively researched. Its influence on the emer…
View article: Experimental investigation of methyl-orange removal using eco-friendly cost-effective materials raw fava bean peels and their formulated physical, and chemically activated carbon
Experimental investigation of methyl-orange removal using eco-friendly cost-effective materials raw fava bean peels and their formulated physical, and chemically activated carbon Open
The discharge of effluents from dye industries into water streams poses a significant environmental and public health risk. In response, eco-friendly adsorbents derived from agricultural waste, such as Fava Bean Peels (R–FBP), have been in…
View article: Detoxification of Hexavalent Chromium Using Biofilm Forming Paenochrobactrum pullorum Isolated from Tannery Wastewater Effluents
Detoxification of Hexavalent Chromium Using Biofilm Forming Paenochrobactrum pullorum Isolated from Tannery Wastewater Effluents Open
Bioremediation for wastewater using microbes that can detoxify the harmful effects of Cr-VI is concerned. Ninety-two isolates were collected from tannery effluents and screened based on their abilities to remediate hexavalent chromium usin…
View article: Promising applications of seedcake of Jatropha curcas plants: bioethanol production and bio-sorbent material for dye and heavy metal removal
Promising applications of seedcake of Jatropha curcas plants: bioethanol production and bio-sorbent material for dye and heavy metal removal Open
Jatropha curcas L. as a member of Euphorbiaceae family had many copious applications due to its richness content of oil, cellulose, hemicellulose, and lignin. Therefore, this work was directed to increase the value of the seedcakes of Jatr…
View article: Detection of Volatile Organic Compounds by Using MEMS Sensors
Detection of Volatile Organic Compounds by Using MEMS Sensors Open
We report on the deployment of MEMS static bifurcation (DC) sensors for the detection of volatile organic compounds (VOCs): hydrogen sulfide and formaldehyde. We demonstrate a sensor that can detect as low as a few ppm of hydrogen sulfide.…
View article: Grafting of Acrylic Membrane Prepared from Fibers Waste for Dyes Removal: Methylene Blue and Congo Red
Grafting of Acrylic Membrane Prepared from Fibers Waste for Dyes Removal: Methylene Blue and Congo Red Open
Dyes are a type of pollutant that have been discharged into water streams by various industries and had harmful effects on the environment and human health. Therefore, present work was directed to recycle acrylic fibers waste to be used as…
View article: Novel, Low Cost and Fast Detection Sensor for Biogenic H2S Gas Based on Polyaniline/ZnO, CdO and CeO2 nanocomposites at Room Temperature
Novel, Low Cost and Fast Detection Sensor for Biogenic H2S Gas Based on Polyaniline/ZnO, CdO and CeO2 nanocomposites at Room Temperature Open
Screen printed electrode (SPE) is considering one of the most prospective techniques for sensing purposes due to its low cost, easy fabrication and reusability.It is worthwhile to use SPE as a sensor for fast detection of the biogenic H2S …
View article: Removal of Methylene Blue and Congo Red Using Adsorptive Membrane Impregnated with Dried Ulva fasciata and Sargassum dentifolium
Removal of Methylene Blue and Congo Red Using Adsorptive Membrane Impregnated with Dried Ulva fasciata and Sargassum dentifolium Open
Biosorption is a bioremediation approach for the removal of harmful dyes from industrial effluents using biological materials. This study investigated Methylene blue (M. blue) and Congo red (C. red) biosorption from model aqueous solutions…
View article: Antibacterial and Anti-Fungal Biological Activities for Acrylonitrile, Acrylamide and 2-Acrylamido-2-Methylpropane Sulphonic Acid Crosslinked Terpolymers
Antibacterial and Anti-Fungal Biological Activities for Acrylonitrile, Acrylamide and 2-Acrylamido-2-Methylpropane Sulphonic Acid Crosslinked Terpolymers Open
There is a pressing demand to synthesize polymers that have antibacterial and antifungal properties. The aim of this study was to synthesize a crosslinked hydrophilic terpolymer with acrylamide, acrylonitrile, acrylic acid, acrylamido-2-me…
View article: Progressive Applications of Hyperbranched Polymer Based on Diarylamine: Antimicrobial, Anti-Biofilm and Anti-Aerobic Corrosion
Progressive Applications of Hyperbranched Polymer Based on Diarylamine: Antimicrobial, Anti-Biofilm and Anti-Aerobic Corrosion Open
New generations of hyperbranched aramids were synthesized from diarylamine and methyl acrylate using an AB2 monomer approach in a straightforward one-pot preparation. The chemical structure of hyperbranched Phenylenediamine/Methyl Acrylate…
View article: Enhancement of A Cationic Surfactant by Capping Nanoparticles: Synthesis, Characterization and Multiple Applications
Enhancement of A Cationic Surfactant by Capping Nanoparticles: Synthesis, Characterization and Multiple Applications Open
There is scarce information on cationic surfactants’ biocidal and corrosion inhbibition effects on Slime-Forming Bacteria (SFB) isolated from oil field formation water. Therefore, this work focused on the the synthesis of a cationic surfac…
View article: Multiple Applications of a Novel Cationic Gemini Surfactant: Anti-Microbial, Anti-Biofilm, Biocide, Salinity Corrosion Inhibitor, and Biofilm Dispersion (Part II)
Multiple Applications of a Novel Cationic Gemini Surfactant: Anti-Microbial, Anti-Biofilm, Biocide, Salinity Corrosion Inhibitor, and Biofilm Dispersion (Part II) Open
The Egyptian petroleum industries are incurring severe problems with corrosion, particularly corrosion that is induced by sulfidogenic microbial activities in harsh salinity environments despite extensively using biocides and metal corrosi…
View article: Synthesis of Acridin-2-yl(Phenyl)Methanone via Palladium Catalyzed Carboannulation of Internal Acetylene and Its Antibacterial and Anti-biofilms Activity
Synthesis of Acridin-2-yl(Phenyl)Methanone via Palladium Catalyzed Carboannulation of Internal Acetylene and Its Antibacterial and Anti-biofilms Activity Open
Many substituted acridin-2-yl(phenyl) methanones have been successfully prepared in good yields by reacting functionally substituted aryl halides with many internal acetylenes in presence of a palladium catalyst Pd(dba)2. The end product o…
View article: Radiation Copolymerization of PVA/Malic acid/ HEMA / Macro-algal (Sargassum sp.) Biomass for Removal of Hexavalent Chromium.
Radiation Copolymerization of PVA/Malic acid/ HEMA / Macro-algal (Sargassum sp.) Biomass for Removal of Hexavalent Chromium. Open
Brown macro-algal species (Seaweeds) biomass was collected and treated mechanically to reduce its size, increase its surface area and to polymerize easily with other polymer in a sheet. Polymerized algal cells in the polymer sheet have man…
View article: Antimicrobial Activity of Hybrids Terpolymers Based on Magnetite Hydrogel Nanocomposites
Antimicrobial Activity of Hybrids Terpolymers Based on Magnetite Hydrogel Nanocomposites Open
In the past few years, the development of hydrogel properties has led to the emergence of nanocomposite hydrogels that have unique properties that allow them to be used in various different fields and applications such as drug delivery, ad…
View article: Absorption of hexavalent chromium by green micro algae Chlorella sorokiniana: live planktonic cells
Absorption of hexavalent chromium by green micro algae Chlorella sorokiniana: live planktonic cells Open
Hexavalent chromium Cr (VI) is a toxic heavy metal that discharged by many industries into the water streams. It is the most toxic form of chromium compound, which causes significant damage to receiving ecosystems. A microalgal species, Ch…
View article: Effect of Novel Quercetin Titanium Dioxide-Decorated Multi-Walled Carbon Nanotubes Nanocomposite on Bacillus subtilis Biofilm Development
Effect of Novel Quercetin Titanium Dioxide-Decorated Multi-Walled Carbon Nanotubes Nanocomposite on Bacillus subtilis Biofilm Development Open
The present work was targeted to design a surface against cell seeding and adhering of bacteria, Bacillus subtilis. A multi-walled carbon nanotube/titanium dioxide nano-power was produced via simple mixing of carbon nanotube and titanium d…