Saadia Easa
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View article: Production and partial purification of an innovative heat resistant α-keratinase with some remarkable medical and industrial applications
Production and partial purification of an innovative heat resistant α-keratinase with some remarkable medical and industrial applications Open
Background and objectives Keratinase has ultimate practical importance in industry, medicine, food industry and waste management fields. Their applications in wool and silk are as good cleaners and in leather industry as the best ever gree…
View article: The Efficiency of some locally Isolated Fungi on Removing Pb, Cd, Cr and Ni and their Mixture from Wastewater
The Efficiency of some locally Isolated Fungi on Removing Pb, Cd, Cr and Ni and their Mixture from Wastewater Open
Resources reuse has become an important feature of wastewater management. Wastewater mainly from paint, leather, metal and tanning industries contain huge amounts of heavy metals. As conventional methods to remove metals from aqueous solut…
View article: Characterization of White Button Mushroom and Its Biomedical Applications
Characterization of White Button Mushroom and Its Biomedical Applications Open
The biological contents of the white button mushroom including(lectin and polysaccharides) were extracted from its dried fruiting bodies and purified through Q-Sepharose column which was considered a strong anion for adsorption of lectin w…
View article: Microbiological Studies on Clostridium Perfringens Type (A)
Microbiological Studies on Clostridium Perfringens Type (A) Open
Background:Clostridium perfringens, a rapid-growing pathogen known to secrete an arsenal of >20 virulent toxins, has been associated with intestinal diseases in both animals and humans throughout the past century.Gas gangrene is synonymous…
View article: Epidemiology and Control of Nosocomial Pathogens Recovered from Some Governmental Hospitals, Cairo, Egypt
Epidemiology and Control of Nosocomial Pathogens Recovered from Some Governmental Hospitals, Cairo, Egypt Open
A TOTAL of 350 samples were collected from different sites located in three governmental hospitals in Cairo, Handwashing sink was the most contaminated site followed by Computer keyboards and ultrasonic machines.According to viteck, bacter…
View article: Biosynthesis of Lovastatin by Gamma Irradiated Aspergillus terreus
Biosynthesis of Lovastatin by Gamma Irradiated Aspergillus terreus Open
Lovastatin (C24H36O5, Mevinolin, Monacolin K and Mevacor®) is the first compound of its kind to become available for treatment of hypercholesterolemia. This fungal secondary metabolite is produced by Aspergillus, Monascus and Penicillium s…
View article: Interactive Effects of Biosynthesized Nanocomposites and Their Antimicrobial and Cytotoxic Potentials
Interactive Effects of Biosynthesized Nanocomposites and Their Antimicrobial and Cytotoxic Potentials Open
The present study investigated the biosynthesis of silver (AgNPs), zinc oxide (ZnONPs) and titanium dioxide (TiO2NPs) nanoparticles using Aspergillusoryzae, Aspergillusterreus and Fusariumoxysporum. Nanocomposites (NCs) were successfully s…
View article: Production of a bacterial extracellular L-glutaminase possessing high antioxidant capability
Production of a bacterial extracellular L-glutaminase possessing high antioxidant capability Open
Background and objectives L-glutaminase has utmost practical importance in many fields, such as medicine, pharmacy, and some industries as an effective antioxidant, anticancer, flavor enhancer, and used as an analytical reagent in the dete…
View article: The Xylose Metabolizing Yeast Spathaspora passalidarum is a Promising Genetic Treasure for Improving Bioethanol Production
The Xylose Metabolizing Yeast Spathaspora passalidarum is a Promising Genetic Treasure for Improving Bioethanol Production Open
Currently, the fermentation technology for recycling agriculture waste for generation of alternative renewable biofuels is getting more and more attention because of the environmental merits of biofuels for decreasing the rapid rise of gre…
View article: Isolation and Characterization of Phosphate Solubilizing Fungus in Vitro
Isolation and Characterization of Phosphate Solubilizing Fungus in Vitro Open
Series of laboratory (in vitro) examinations were carried out to recognizethe most potent fungi isolates and optimum culture conditions helps in solubilizing sparing phosphate in soil. Therefore, the present study aimed to isolate and scre…
View article: Characterization and evaluation of nanocomposites chitosan-multiwalled carbon nanotubes as broad-spectrum antibacterial agent
Characterization and evaluation of nanocomposites chitosan-multiwalled carbon nanotubes as broad-spectrum antibacterial agent Open
Due to the wide and inappropriate use of the antibiotics, the development of new resistant strains of bacteria to the most of common antibiotics has become a serious problem in public health; so there is a strong stimulant to continuity de…
View article: Antifungal Activities of Some Plant Extracts against Pathogenic Fungi
Antifungal Activities of Some Plant Extracts against Pathogenic Fungi Open
Soil samples were collected from different localities in Cairo, and were assayed for keratinophilic fungi.Five species of fungi classified in two genera were isolated from Giza zoo (animal cages and parks), hospital, public park, local mar…
View article: Bioethanol a Microbial Biofuel Metabolite; New Insights of Yeasts Metabolic Engineering
Bioethanol a Microbial Biofuel Metabolite; New Insights of Yeasts Metabolic Engineering Open
Scarcity of the non-renewable energy sources, global warming, environmental pollution, and raising the cost of petroleum are the motive for the development of renewable, eco-friendly fuels production with low costs. Bioethanol production i…
View article: BIOSORPTION OF RADIOACTIVE ELEMENTS FROM PHOSPHOGYPSUM BY SACCHAROMYCES CEREVISIAE
BIOSORPTION OF RADIOACTIVE ELEMENTS FROM PHOSPHOGYPSUM BY SACCHAROMYCES CEREVISIAE Open
Phosphogypsum (PG) is an important industrial by-product derived from phosphoric acid and phosphate fertilizer manufactures by dehydrates process.Using Saccharomyces cerevisiae as a biosorbant for uranium (U), thorium(Th) and radium (Ra) f…
View article: Comparison of Free and Immobilized L-asparaginase Synthesized by Gamma-Irradiated Penicillium cyclopium
Comparison of Free and Immobilized L-asparaginase Synthesized by Gamma-Irradiated Penicillium cyclopium Open
Gamma irradiation is used on Penicillium cyclopium in order to obtain mutant cells of high L-asparaginase productivity. Using gamma irradiation dose of 4 KGy, P. cyclopium cells yielded L-asparaginase with extracellular enzyme activity of …
View article: Immobilization of halophilic Aspergillus awamori EM66 exochitinase on grafted k-carrageenan-alginate beads
Immobilization of halophilic Aspergillus awamori EM66 exochitinase on grafted k-carrageenan-alginate beads Open
A novel extreme halophilic exochitinase enzyme was produced by honey isolate Aspergillus awamori EM66. The enzyme was immobilized successfully on k-carrageenan-alginate gel carrier (CA) with 93 % immobilization yield. The immobilization pr…