Mohamed A. Hassaan
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View article: Modeling studies of the adsorption of Methyl Red and Acid Yellow 36 dyes by sulphonated Ulva lactuca carbon
Modeling studies of the adsorption of Methyl Red and Acid Yellow 36 dyes by sulphonated Ulva lactuca carbon Open
This study investigated the adsorption of Acid Yellow 36 (AY36) and Methyl Red (MR) dyes using a novel sulfonated biochar carbon (GASC) synthesized from green algae ( Ulva lactuca ) via a reflux method in the presence of 80% sulfuric acid …
View article: Sources and ecotoxicological risk indices of OCP and PCBs residues in Shalateen sediments, Red Sea, Egypt
Sources and ecotoxicological risk indices of OCP and PCBs residues in Shalateen sediments, Red Sea, Egypt Open
Ninety-three sediments collected from Shalateen City (Red Sea, Egypt) were analyzed using a triple quadrupole mass spectrometer (MS/MS) in selective reaction monitoring (SRM) mode for extremely sensitive and selective detection and quantif…
View article: CHARACTERIZATION AND ANALYSIS OF MICROENCAPSULATED PROBIOTICS USING MILK BASED EXTRUSION METHOD
CHARACTERIZATION AND ANALYSIS OF MICROENCAPSULATED PROBIOTICS USING MILK BASED EXTRUSION METHOD Open
–Probiotics, an essential part of human life, still remains insufficient in foods we consume. They are active live microorganisms that enrich the gut microbiota. They are of various types and Lactobacillus are one among them. Probiotics ha…
View article: Distribution and ecotoxicological assessment of trace elements and minerals in Nile Delta sediments using multitechnique analysis
Distribution and ecotoxicological assessment of trace elements and minerals in Nile Delta sediments using multitechnique analysis Open
This study assesses heavy metal contamination, trace elements, and mineral composition in Nile Delta sediments, a region critical for agriculture and ecology. Sediment samples (n = 23) were collected from key urban, agricultural, and indus…
View article: Removal of carcinogenic benzidine from water using highly efficient carbon black prepared from sugarcane bagasse
Removal of carcinogenic benzidine from water using highly efficient carbon black prepared from sugarcane bagasse Open
The use of inexpensive, easily accessible, highly effective, and environmentally friendly adsorbents has been looked into as a perfect substitute for the currently expensive ways of extracting pollutants from wastewater. This study examine…
View article: Isotherm, kinetics and ANN analysis of methylene blue adsorption onto nitrogen doped Ulva lactuca Biochar
Isotherm, kinetics and ANN analysis of methylene blue adsorption onto nitrogen doped Ulva lactuca Biochar Open
This study investigates the removal of methylene blue (MB) dye from aqueous solutions using a novel adsorbent, green algae ( Ulva lactuca )-derived biochar-ammonia (NDULB), produced through activation with 85% sulfuric acid and hydrotherma…
View article: Modelling of a new form of nitrogen doped activated carbon for adsorption of various dyes and hexavalent chromium ions
Modelling of a new form of nitrogen doped activated carbon for adsorption of various dyes and hexavalent chromium ions Open
This study reports a new form of nitrogen-doped activated carbon (AC5-600) produced from a blend of sawdust (SD) and fish waste (FW) treated with urea and ZnCl 2 for the adsorption of toxic metals and dyes. The adsorbent was also explored …
View article: Kinetics, central composite design and artificial neural network modelling of ciprofloxacin antibiotic photodegradation using fabricated cobalt-doped zinc oxide nanoparticles
Kinetics, central composite design and artificial neural network modelling of ciprofloxacin antibiotic photodegradation using fabricated cobalt-doped zinc oxide nanoparticles Open
Cobalt-doped zinc oxide nanoparticles were fabricated and examined in this study as a potential photocatalyst for the antibiotic ciprofloxacin (CIPF) degradation when exposed to visible LED light. The Co-precipitation technique created Cob…
View article: Organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) distribution, origins, and risk evaluation in the Egyptian Mediterranean coast sediments
Organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) distribution, origins, and risk evaluation in the Egyptian Mediterranean coast sediments Open
A study was conducted on 31 surface sediments located in different sectors of the Egyptian Mediterranean coast. The sediments were analyzed for their pollution levels of organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs)…
View article: Green algae Ulva lactuca-derived biochar-sulfur improves the adsorption of methylene blue from water
Green algae Ulva lactuca-derived biochar-sulfur improves the adsorption of methylene blue from water Open
The present investigation explores the efficacy of green algae Ulva lactuca biochar-sulfur (GABS) modified with H 2 SO 4 and NaHCO 3 in adsorbing methylene blue (MB) dye from aqueous solutions. The impact of solution pH, contact duration, …
View article: Central composite design and mechanism of antibiotic ciprofloxacin photodegradation under visible light by green hydrothermal synthesized cobalt-doped zinc oxide nanoparticles
Central composite design and mechanism of antibiotic ciprofloxacin photodegradation under visible light by green hydrothermal synthesized cobalt-doped zinc oxide nanoparticles Open
In this research, different Co 2+ doped ZnO nanoparticles (NPs) were hydrothermally synthesized by an environmentally friendly, sustainable technique using the extract of P. capillacea for the first time. Co-ZnO was characterized and confi…
View article: Fabrication of date palm kernel biochar-sulfur (DPKB-S) for super adsorption of methylene blue dye from water
Fabrication of date palm kernel biochar-sulfur (DPKB-S) for super adsorption of methylene blue dye from water Open
A novel form of biochar was created by dehydration of Date palm kernel with 85% sulfuric acid. It was examined how the newly produced biochar (DPKB-S) affected the aqueous solution's capacity to extract Methylene Blue (MB) dye. The prepare…
View article: Sources of hydrocarbons and their risk assessment in seawater and sediment samples collected from the Nile Delta coast of the Mediterranean Sea
Sources of hydrocarbons and their risk assessment in seawater and sediment samples collected from the Nile Delta coast of the Mediterranean Sea Open
The aim of this work is to examine the levels, distribution, bases, and hazards of n -alkanes ( n -C9 to n -C20) and PAHs in the seawater and sediments around oil production locations in the whole delta region. The variations in the levels…
View article: Trace metals concentration and risk assessment in the southeastern Mediterranean sediments
Trace metals concentration and risk assessment in the southeastern Mediterranean sediments Open
Trace metals (Li, B, Na, Mg, Al, K, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Se, Sr, Ag, Cd, In, Ba, Hg, Pb, Bi) in surface sediments of the Nile Delta coastal area between Western Harbor and Bardaweel Lagoon were evaluated. The ecological …
View article: Influence of tetraethyl orthosilicate coating on dielectric, impedance, and modulus properties of barium hexaferrite nanoparticles prepared by a modified sol–gel method
Influence of tetraethyl orthosilicate coating on dielectric, impedance, and modulus properties of barium hexaferrite nanoparticles prepared by a modified sol–gel method Open
This work is devoted to study the comparison of the conduction mechanism in bare barium hexaferrite (BaFe12O19) nanoparticles and tetraethyl orthosilicate-coated (SiO2)x/BaFe12O19 (x = 5, 10, 15 and 20 wt. %) nanoparticles. The modified so…
View article: Fabrication of Pea pods biochar-NH2 (PBN) for the adsorption of toxic Cr6+ ion from aqueous solution
Fabrication of Pea pods biochar-NH2 (PBN) for the adsorption of toxic Cr6+ ion from aqueous solution Open
Chromium (Cr) ion is regarded as a particularly hazardous contaminant due to its high toxicity and potential carcinogens. The Cr 6+ ions were removed in the current work using a new fabricated low-cost adsorbent called Pea pods biochar-NH …