Shimaa R. Hamed
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View article: Blastocystis and Gut Microbiome: A Review of the Current Understanding
Blastocystis and Gut Microbiome: A Review of the Current Understanding Open
View article: The influence of adding B. subtilis bacteria on the mechanical and chemical properties of cement mortar
The influence of adding B. subtilis bacteria on the mechanical and chemical properties of cement mortar Open
Background This study investigated the effect of B. Subtilis bacteria on the properties of cement mortar. This was done by using soil samples from Sharkia, Egypt, to isolate 48 bacterial strains, after which they were cultured using the Jo…
View article: BIODEGRADATION OF DIAZO DYE DIRECT RED 81 BY FUNGI ISOLATED FROM DYES INDUSTRIAL EFFLUENTS
BIODEGRADATION OF DIAZO DYE DIRECT RED 81 BY FUNGI ISOLATED FROM DYES INDUSTRIAL EFFLUENTS Open
View article: Sustainable quick quantitative screening for the physiology of chitinases production by Bacillus thuriengiensis gallariae and detection of Aedes aegypti biopesticide activity
Sustainable quick quantitative screening for the physiology of chitinases production by Bacillus thuriengiensis gallariae and detection of Aedes aegypti biopesticide activity Open
Background Chitin is considered the world’s first and most abundant amino-carbon substrate. Objective The proposed method aims to speed up the detection and measuring of microbial chitinase production. Materials and methods Solid-state fer…
View article: Green-Nano Manganese and Its Impact on the Growth, Yield, and Fruit Properties of Flame Seedless Grapes
Green-Nano Manganese and Its Impact on the Growth, Yield, and Fruit Properties of Flame Seedless Grapes Open
The present work aimed to evaluate green-nano manganese produced at the Microbial Biotechnology Department, National Research Centre, Egypt, and assess its impact on the growth, yield, and fruit properties of grapevines. To this end, two e…
View article: Nano Green Manganese and Its Impact on the Growth, Yield and Fruit Properties of Flame Seedless Grapes
Nano Green Manganese and Its Impact on the Growth, Yield and Fruit Properties of Flame Seedless Grapes Open
Two experiments were conducted to develop a Nano green manganese and assess its effect on grapevines. The first experiment was microbiological, where several incorporation strategies were utilized to enrich the yeast with manganese, as fol…
View article: Effect of Sewage-Contaminated Irrigation Water on the Bacterial Quality of Ready-To-Eat Fresh Vegetables; Watercress (Eruca sativa) and Lettuce (Lactuca sativa)
Effect of Sewage-Contaminated Irrigation Water on the Bacterial Quality of Ready-To-Eat Fresh Vegetables; Watercress (Eruca sativa) and Lettuce (Lactuca sativa) Open
In Egypt, some people illegally dump untreated sewage into irrigation canals. Farmers use these polluted canals and the water from the Bahr El-Baqar drain to irrigate farmlands. The bacterial content of irrigation water, agricultural soil,…
View article: Impact of Chia Seeds Powder on the Chemical, Microbiological, and Sensorial Characteristics of Low Fat UF-soft Cheese
Impact of Chia Seeds Powder on the Chemical, Microbiological, and Sensorial Characteristics of Low Fat UF-soft Cheese Open
The present study was carried out as an attempt to improve the properties of low-fat UF-soft cheese using chia seeds powder. Chemical composition, microbiological as well as sensory characteristics were investigated for resultant fresh and…
View article: Characterization of microbial synthesized silver and gold nanoparticles and evaluation of its antimicrobial and anticancer activities
Characterization of microbial synthesized silver and gold nanoparticles and evaluation of its antimicrobial and anticancer activities Open
View article: The Efficiency of Wastewater Treatment Plants for the Removal of Antibiotics
The Efficiency of Wastewater Treatment Plants for the Removal of Antibiotics Open
Undoubtedly domestic Wastewater Treatment Plants (WWTPs) are not designed for the removal of some pollutants such as antibiotics. This chapter summarizes the occurrence and fate of six groups of the most widely used antibiotics (β-lactams,…
View article: The biological activities of anise and fennel essential oils against indoor opportunistic fungi
The biological activities of anise and fennel essential oils against indoor opportunistic fungi Open
Aims: This study investigated the antifungal activities of essential oils (EOs) extracted from anise (Pimpinella anisum) and fennel (Foeniculum vulgare) against indoor opportunistic fungi (Penicillium frequentans, Aspergillus flavus, Asper…
View article: Assessing the potential of de-oiled peanut (Arachis hypogea) seeds for surface water treatment: A sustainable alternative to chemical coagulants
Assessing the potential of de-oiled peanut (Arachis hypogea) seeds for surface water treatment: A sustainable alternative to chemical coagulants Open
Since natural coagulants are readily available, inexpensive, nontoxic, and biodegradable, they are now proving to be effective alternatives to chemical coagulants. This research article investigates the potential of de-oiled peanut (Arachi…
View article: Optimization of the production of roasted-nutty aroma by a newly isolated fungus Tolypocladium inflatum SRH81 and impact of encapsulation on its quality
Optimization of the production of roasted-nutty aroma by a newly isolated fungus Tolypocladium inflatum SRH81 and impact of encapsulation on its quality Open
The results of the present study revealed the potential ability of Tolypocladium inflatum SRH81, that was isolated from Egyptian soil, to produce pyrazines having roasted- nutty aroma.
View article: Production of biosurfactants using Egyptian soil fungi
Production of biosurfactants using Egyptian soil fungi Open
Soil fungi have unique physiological and metabolic features, and are considered as an important source of biomolecules. The present research aims to study the ability of local soil fungal isolates for the production of biosurfactants and t…
View article: Productive Performance, Ovarian Follicular Development, Lipid Peroxidation, Antioxidative Status, and Egg Quality in Laying Hens Fed Diets Supplemented with Salvia officinalis and Origanum majorana Powder Levels
Productive Performance, Ovarian Follicular Development, Lipid Peroxidation, Antioxidative Status, and Egg Quality in Laying Hens Fed Diets Supplemented with Salvia officinalis and Origanum majorana Powder Levels Open
This study aimed to assess the effect of dietary supplementation with different levels of Salvia officinalis and/or Origanum majorana on productive performance, ovarian follicular development, lipid peroxidation, antioxidative status, and …
View article: Greywater treatment for irrigation purposes using pottery scraps and aerated moving bed biofilm reactor
Greywater treatment for irrigation purposes using pottery scraps and aerated moving bed biofilm reactor Open
View article: Application of different magnetic intensities for the treatment of landfill leachate in Egypt
Application of different magnetic intensities for the treatment of landfill leachate in Egypt Open
Leachate produced from sanitary landfill should be treated before discharge into the environment, whereas it contains high concentrations of organic pollutants and high counts of pathogenic microorganisms. A bench-scale treatment unit was …
View article: Bacteriological and molecular studies on some bacterial agents from neonatal calf diarrhea
Bacteriological and molecular studies on some bacterial agents from neonatal calf diarrhea Open
Neonatal Calf diarrhea(NCD) is a commonly reported disease and considered as a major cause ofeconomic loss to cattle producers. This study was done on 100 fecal swabs collected fromdiarrheic calves(0 day-2monthes) old during the period fro…
View article: Downstream processing of mosquitocidal toxins from solid state fermentation of Lysinibacillus sphaericus and Bacillus thuringiensis israelensis
Downstream processing of mosquitocidal toxins from solid state fermentation of Lysinibacillus sphaericus and Bacillus thuringiensis israelensis Open
Aims:The aim of this study was downstream processing of moquitocidal toxins produced by Lysinibacillus sphaericus (L.sphaericus) and Bacillus thuringiensis israelensis (Bti) under solid state fermentation.Methodology and results: Two mosqu…
View article: Complementary Production of Biofuels by the Green Alga Chlorella vulgaris
Complementary Production of Biofuels by the Green Alga Chlorella vulgaris Open
There is increasing growing concerns about global warming and rising of oil prices. The aim of the current work was to evaluate the potential of the green alga Chlorella vulgaris as a renewable energy source in term of biofuels. Alga was…