Sedky Hassan

Sedky Hassan
New Valley University · Botany and Microbiology Department

PhD

About

90
Publications
37,747
Reads
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2,736
Citations
Citations since 2017
46 Research Items
1798 Citations
20172018201920202021202220230100200300400
20172018201920202021202220230100200300400
20172018201920202021202220230100200300400
20172018201920202021202220230100200300400
Additional affiliations
February 2008 - March 2014
Kangwon National University
Position
  • Researcher fellow, PhD Student, Post-doctor

Publications

Publications (90)
Article
The secondary metabolites produced by algae (including macroalgae and microalgae) possess several human health benefits. The bioactive compounds in algae have potential to be used in the medical and pharmaceutical industries for drug discovery. The rapid development of genetic tools and omics approaches has extended the understanding of algal metab...
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All over the world, people widely use granites and ceramic tiles in their residential establishments. Information concerning the radiological properties of such materials reveals how to ensure the sustainability of their safe use in terms of these properties. In the present work, the distribution of the terrestrial radioisotopes U-238 (Ra-226), Th-...
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Chemotherapy is an aggressive form of chemical drug therapy aiming to destroy cancer cells. Adjuvant therapy may reduce hazards of chemotherapy and help in destroying these cells when obtained from natural products, such as medical plants. In this study, the potential therapeutic effect of Rosa damascena callus crude extract produced in vitamin-enh...
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During soil fungal surveys in Egypt's New Valley Governorate, four significant fungal isolates from three different species have been reported. Two of these strains were uncovered in Egypt for the first time, while the other two may be potential new species. The four strains were identified as being Paramyrothecium spp. (two strains), Striaticonidi...
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A microbial fuel cell (MFC) is a biochemical cell which is able to transform the chemical energy in organic or inorganic substrates into electrical energy through biochemical pathways. The current study explained the role of methylene blue (MB) as an exogenous electron mediator on the efficiency of bioelectricity generation from sugarcane molasses...
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The present paper evaluates the photocatalytic degradation (PCD) performance of the biofabricated hematite nanoparticles (α-HNPs) for the degradation approach of the Cefotaxime (Cfm). The optimum pH of the solution to achieve the best PCD was found to be 10.5. The kinetics study for the PCD of the Cfm via α-HNPs has been investigated and the reacti...
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Two types of plastic carriers low-density polyethylene (LDPET) and high-density polyethylene (HDPET) were used as a support material for biofilm formation during anaerobic co-digestion of agricultural wastes. LDPET and HDPET were added separately to different reactors containing binary substrates: corn straw and cauliflower leaves (G 1), corn straw...
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Pharmaceutical wastewater contamination via azithromycin antibiotic and the continuous emergence of some strains of bacteria, cancer, and the Covid-19 virus. Azithromycin wastewater treatment using the biosynthesized Hematite nanoparticles (α-HNPs) and the biocompatible activities of the resulted nanosystem were reported. Biofabrication of α-HNPs u...
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In this study, Rosa damascena leaf powder was evaluated as a biosorbent for the removal of copper from aqueous solutions. Process variables such as the biosorbent dose, pH, and initial copper concentration were optimized using response surface methodology. A quadratic model was established to relate the factors to the response based on the Box–Behn...
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Methyl violet 2B dye is a major contaminant that is detrimental to both humans and aquatic microorganisms, thus it should be eliminated from water. In the current investigation, the biosorption of methyl violet 2B dye onto the brown seaweed Cystoseira tamariscifolia biomass as a sustainable low-cost biosorbent was examined by varying biosorption pa...
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The aim of this study was to assess the efficiency of Spirulina platensis for removing Zn2+ ions from the aqueous solutions. The optimized conditions of 4.48 g/L algal dose, pH of 6.62 and initial zinc concentration of 29.72 mg/L obtained by response surface methodology were employed for Zn2+ biosorption by S. platensis and up to 97.90% Zn2+ was re...
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This study was conducted to survey the fungal microorganisms that cause common diseases and reduce the quality of onion bulbs produced in Assiut and Sohag governorates in Egypt, particularly Botrytis Brown Stain (BBS) disease on onion bulbs. Aspergulls niger, A. flavus, Penicillium oxalicum, Botrytis allii and B. cinerea strains were isolated from...
Article
The current paper evaluates the adsorption performance of the biofabrication of Alpha Hematite nanoparticles (α-HNPs) for the removal of the Cefixime (Cfx) drug from the pharmaceutical wastewater. Adsorption isotherms, kinetics, and thermodynamic studies have been investigated using batch mode procedures. The optimum conditions were conducted as so...
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The release of effluents containing cadmium ions into aquatic ecosystems is hazardous to humans and marine organisms. In the current investigation, biosorption of Cd2+ ions from aqueous solutions by freely suspended and immobilized Turbinaria ornata biomasses was studied. Compared to free cells (94.34%), the maximum Cd2+ removal efficiency reached...
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Silver nanoparticles (GSNPs) were synthesized from extracellular metabolites of endophytic isolates of Fusarium verticillioides (KT587649) to evaluate their efficiency as new biosorbent agents for the exclusion of cadmium Cd (II) from aquatic systems. The GSNPs were characterized through X-ray diffraction (XRD) and transmission electron microscopy...
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Vicia faba seeds are a rich source of polyphenolic, and flavonoid compounds that have high antioxidant activity. The aqueous extract of V. faba seeds has been used for the biosynthesis of a nanocomposite (NC) consisting of three different types of nanoparticles that are deposited onto each other as [email protected]2[email protected]. Physicochemic...
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A low cost adsorbent has been tested for its adsorption ability to remove a hazardous dye from textile wastewater. The paper assess the results pertaining to the investigation conducted on the removal of the azo sulphonated dye, direct red 81 by adsorption on the filter cake waste as adsorbent. Adsorption studies were carried out in batch mode to e...
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Ferric oxide “Alpha Hematite” nanoparticles (α-HNPs) were phyto-fabricated using ferrous sulfate heptahydrate solution and Echinacea purpurea liquid extract that acts as a reducing, capping, and stabilizing agent in a ratio (1:2) at temperature 70°C, 1500 rpm for 5 hours. E. purpurea is a rich source of polyphenolic, flavonoid compounds that have a...
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The aim of the current work is the introduction of a quick and simple literature survey about the bio-fabrication of the Alpha Hematite nanoparticles (α-Fe2O3) using the plant extracts green method. The survey manifested the utilities of the environmentally friendly biosynthesis methods via extracting different plant species, some of its important...
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Full-text available
The aim of the current work is the introduction of a quick and simple literature survey about the bio-fabrication of the Alpha Hematite nanoparticles (α-Fe2O3) using the plant extracts green method. The survey manifested the utilities of the environmentally friendly biosynthesis methods via extracting different plant species, some of its important...
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Full-text available
Cefixime (Cfx) is a member of the third generation of Cephalosporin antibiotics. It used on a wide scale in prescribed antibiotic drugs as anti-infection for Gram-positive and Gram-negative microorganisms. The present study aimed to develop an HPLC method of Cfx analysis enjoyed highly linearity, repeatability, robustness, ruggedness, selectivity,...
Article
Oilfield produced water is one of the vast amounts of wastewater that pollute the environment and cause serious problems. In this study, the produced water was treated in a microbial fuel cell (MFC), and response surface methodology and central composite design (RSM/CCD) were used as powerful tools to optimize the process. The results of two separa...
Article
A severe vascular pomegranate wilt (Punica granatum L.) has recently been discovered and reported for the first time in Upper Egypt. Diseased samples were obtained from an infected farm in El-Badari city, Assiut Governorate, Egypt, and the pathogen was isolated on potato dextrose agar at 25 °C. Phenotypic features and DNA sequencing of the pathogen...
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Full-text available
A severe vascular pomegranate wilt (Punica granatum L.) has recently been discovered and reported for the first time in Upper Egypt. Diseased samples were obtained from an infected farm in El-Badari city, Assiut Governorate, Egypt, and the pathogen was isolated on potato dextrose agar at 25 °C. Phenotypic features and DNA sequencing of the pathogen...
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Full-text available
Preservation of fungi for commercial and research purposes for a long time, is a very tedious task. Cryopreservation and lyophilization have been extensively used as long-term preservation techniques. Here, we introduced a novel method for long preservation and fast revival of filamentous fungi using sterile cotton balls (CB). A 16 fungal genera an...
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In this study, Pseudomonas Z4A2 has been isolated from polluted wastewater of El-Kharga city, New Valley Governorate, Egypt. The bacterial isolate found to be highly resistant to different concentrations of zinc and nickel. The isolated bacterium identified according to 16srRNA as Pseudomonas luteola Z4A2. Its minimal inhibitory concentration (MIC)...
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In aquatic ecosystems, real-time water-quality (WQ) biomonitoring has become the most effective technology for monitoring toxic events by using living organisms as a biosensor. In this study, an online WQ monitoring system using sulfur oxidizing bacteria (SOB) was tested to monitor WQ changes in real-time in natural stream water. The WQ monitoring...
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A fed-batch bioreactor based on sulfur-oxidizing bacteria (SOB) was tested for rapid detection of heavy metal-induced toxicity in water. For this evaluation, SOB were exposed to water contaminated by selenium, mercury, hexavalent chromium, arsenic, cyanide, cadmium, and lead for 2 h and their inhibition rates were analyzed based on changes in elect...
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This work demonstrated the possibility of bioelectricity generation using microbial fuel cell technologies from sugarcane molasses by a bacterial strain isolated from molasses. The strain identified according to 16S rRNA as Brevibacillus borstelensis STRI1. Sugarcane molasses could be used as a substrate in MFC, because of its high sugar content. W...
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In this study, a fungal isolate was isolated from avocado fruit collected from a market in Makkah city, Saudi Arabia, and identified as Neopestalotiopsis clavispora ASU1. The biomass of Neopestalotiopsis clavispora ASU1 was used as a natural bio-sorbent for removal of Cd(II) and Zn(II) from aqueous solutions. Characterization of fungal biomass was...
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Microbial fuel cells (MFCs) are the most useful technologies for energy production and wastewater treatment due to their low cost and support of the environment. In this study, the membrane fouling and their effects on power generation were investigated using scanning electron microscope (SEM). Results demonstrate that proton exchange membrane (PEM...
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The present work deals with the up-scale double chamber microbial fuel cell (MFC) to generate electricity from wastewater. The experiment was performed to improve generation electricity from wastewater as the substrate using the MFC. There are two strategies for making large-scale MFCs for electricity generation and wastewater treatment: enlarging...
Article
The present work deals with the up-scale double chamber microbial fuel cell (MFC) to generate electricity from wastewater. The experiment was performed to improve generation electricity from wastewater as the substrate using the MFC. There are two strategies for making large-scale MFCs for electricity generation and wastewater treatment: enlarging...
Data
The present work deals with the up-scale double chamber microbial fuel cell (MFC) to generate electricity from wastewater. The experiment was performed to improve generation electricity from wastewater as the substrate using the MFC. There are two strategies for making large-scale MFCs for electricity generation and wastewater treatment: enlarging...
Article
Full-text available
The present work deals with the up-scale double chamber microbial fuel cell (MFC) to generate electricity from wastewater. The experiment was performed to improve generation electricity from wastewater as the substrate using the MFC. There are two strategies for making large-scale MFCs for electricity generation and wastewater treatment: enlarging...
Article
Full-text available
Biomass is a crucial energy resource used for the generation of electricity and transportation fuels. Microalgae exhibit a high content of biocomponents which makes them a potential feedstock for the generation of ecofriendly biofuels. Biofuels derived from microalgae are suitable carbon-neutral replacements for petroleum. Fermentation is the major...
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Background The infectious prion protein (PrPSc or prion) is derived from its cellular form (PrPC) through a conformational transition in animal and human prion diseases. Studies have shown that the interspecies conversion of PrPC to PrPSc is largely swayed by species barriers, which is mainly deciphered by the sequence and conformation of the prote...
Article
Citric acid pretreated corncob and the untreated one were used in this investigation to remove Mn(II) from aqueous solutions. The effects of pH, Mn(II) concentration, agitation time, adsorbent dose and particle size were evaluated. Equilibrium isotherms were analyzed by the Langmuir and Freundlich models and it was found that both models fit the ex...
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This study demonstrates the use of carbon nanotube polypyrrole (CNT/PPy) nanocomposite as a novel cathode catalyst in microbial fuel cells (MFC). The CNT/PPy nanocomposite has been prepared using a chemical oxidative method and its performance in MFC was evaluated and compared with platinum, the traditional cathode catalyst. The attachment of micro...
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This study demonstrated electricity generation from rice straw without pretreatment in a two-chambered microbial fuel cell (MFC) inoculated with a mixed culture of cellulose-degrading bacteria (CDB). The power density reached 145 mW/m 2 with an initial rice straw concentration of 1 g/L; while the coulombic efficiencies (CEs) ranged from 54.3 to 45....
Article
This study demonstrated electricity generation from rice straw without pretreatment in a two-chambered microbial fuel cell (MFC) inoculated with a mixed culture of cellulose-degrading bacteria (CDB). The power density reached 145 mW/m2 with an initial rice straw concentration of 1 g/L; while the coulombic efficiencies (CEs) ranged from 54.3 to 45.3...
Article
fg In the present paper, the ability and accuracy of an Adaptive Neuro–Fuzzy Inference System (ANFIS) was investigated for the process evaluation of thermal cracking to light olefin. The main objective of this research is to predict product yields as a function of Coil Outlet Temperature (COT), steam ratio, and feed flow rate, at the reactor tube o...
Article
The microbial fuel cell (MFC) is a very promising technology for generating electrical energy from anaerobic fermentation of organic and inorganic matter in wastewater using microorganisms as biocatalysts while simultaneously treating the wastewater. However, the overall low performance of the MFC compared to other more established fuel cell techno...
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A biosensor based on sulfur-oxidizing bacteria (SOB) for detection of toxic chemicals in water was developed. SOB are acidophilic microorganisms that get their energy through the oxidation of reduced sulfur compounds in the presence of oxygen to produce sulfuric acid. The reaction results in an increase in electrical conductivity (EC) and a decreas...
Article
Response surface methodology (RSM) based on central composite rotatable design was used to investigate the effects of operating variable, mainly, pH, weight of biomass, and initial lead ion concentration on the lead adsorption capacity at ambient temperature using dried cells of Lactobacillius bulgaricus. Using RSM, quadratic polynomial equation wa...
Article
Microbial fuel cells (MFCs) hold great promise as an alternative for direct biochemical energy extraction from both biomass and wastewater. However, the commercialization and scaling-up of MFCs is not completely feasible, due to the high price of platinum (Pt) as a cathode catalyst. In this paper, we studied the use of a carbon nanotube (CNT) compo...
Article
Proton exchange membranes play a critical role in the performance of Microbial Fuel Cells (MFCs) but their high price was always a big deal for commercialization of MFCs. In the present study, doped and undoped polyaniline nanoparticles/polysulfone nanocomposites membranes as a new type of PEM, were fabricated and applied in the MFC and their perfo...
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In this study, the effect of different electrode surface areas on the performance of dual chamber Microbial Fuel Cells (MFC) was investigated. Four different electrodes with 12, 16, 20 and 24 cm2 surface areas were tested in an MFC system. The 20 cm2 electrode generated an output power of 76.5 mW/m2 was found to be the highest among all the electro...
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In this study Beauveria bassiana and Metarhizium anisopliae were used as inexpensive and efficient biosorbents for Pb(II) and Cd(II) from aqueous metal solutions. The effects of various physicochemical factors on Pb(II) and Cd(II) biosorption by B. bassiana and M. anisopliae were studied. The optimum pH for Cd(II) and Pb(II) biosorption by two fung...
Article
Bioassays are becoming an important tool for assessing the toxicity of complex mixtures of substances in aquatic environments in which Daphnia magna is routinely used as a test organism. Bioassays outweigh physicochemical analyses and are valuable in the decision-making process pertaining to the final discharge of effluents from wastewater treatmen...
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Classical methods which used for removal of heavy metals from contaminated water are adsorption, precipitation, coagulation, ion exchange resin, evaporation, and membrane processes. Microbial biosorption can be used for the removal of contaminated waters with pollutants such as heavy metals and dyes which are not easily biodegradable. Microbial bio...
Article
last few decades. In this study, the lyophilized cells of Pleurotus eryngii (mushroom) were used as an inexpensive biosorbent for Cd(II) and Pb(II) removal from aqueous solutions. The effect of various physicochemical factors on Cd(II) and Pb(II) biosorption such as pH (2.0-7.0), initial metal concentration (0.0-300mg\;L^{-1}), temperature, fungal...
Article
In this study, Nostoc commune (cyanobacterium) was used as an inexpensive and efficient biosorbent for Cd(II) and Zn(II) removal from aqueous solutions. The effect of various physicochemical factors on Cd(II) and Zn(II) biosorption such as pH 2.0–7.0, initial metal concentration 0.0–300 mg/L and contact time 0–120 min were studied. Optimum pH for r...
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A novel toxicity detection methodology based on sulfur-oxidizing bacteria (SOB) has been developed for the rapid and reliable detection of toxic chemicals in water. The methodology exploits the ability of SOB to oxidize sulfur particles in the presence of oxygen to produce sulfuric acid according to the following equation: S + H2O + 1.5O2 → SO42− +...
Article
For the rapid and reliable detection of oxidized contaminants (i.e., nitrite, nitrate, perchlorate, dichromate) in water, a novel toxicity detection methodology based on sulfur-oxidizing bacteria (SOB) has been developed. The methodology exploits the ability of SOB to oxidize elemental sulfur to sulfuric acid in the presence of oxygen. The reaction...
Article
Pseudomonas aeruginosa ASU 6a (Gram-negative) and Bacillus cereus AUMC B52 (Gram-positive) were used as an inexpensive and efficient biosorbent for Zn (II) removal from aqueous solutions. The effects of various physicochemical factors on Zn (II) biosorption such as pH – 1.0–7.0, initial metal concentration – 0.0–200 mg/L, and contact time – 0–60.0...