Eman Tawfik
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View article: Assessing the Impact of Industrial Emissions on Air Quality and Public Health in Cairo: A Case Study of the Shaq Al Thoaban Marble and Granite Industries
Assessing the Impact of Industrial Emissions on Air Quality and Public Health in Cairo: A Case Study of the Shaq Al Thoaban Marble and Granite Industries Open
This study examines the significant health risks posed by air pollution in Cairo, Egypt, with a focus on the Shaq Al Thoaban industrial area within Helwan City. The study evaluated the impact of industrial activities, particularly the marb…
View article: Broad-spectrum bioactivities and therapeutic potential of essential oils of certain aromatic and medicinal plants and their combination
Broad-spectrum bioactivities and therapeutic potential of essential oils of certain aromatic and medicinal plants and their combination Open
This research investigates the bioactive properties of essential oils obtained from three medicinal and aromatic species: Mentha canadensis , Corymbia citriodora , and Plectranthus amboinicus . The essential oils were evaluated for antivir…
View article: Efficacy of Three Mouthwashes on Candida albicans in Patients with Denture Stomatitis: In Vivo Study
Efficacy of Three Mouthwashes on Candida albicans in Patients with Denture Stomatitis: In Vivo Study Open
Introduction The oral mucosa provides an optimal environment for the colonization of microorganisms and fungi, exhibiting a variety of biological habitats. The accumulation of biofilm on dentures significantly contributes to the developmen…
View article: In Vitro Culture of <i>Aegle marmelos</i> Against Media Composition Stress: Molecular Identification, Media, and Enzyme Optimization for Higher Growth Yields
In Vitro Culture of <i>Aegle marmelos</i> Against Media Composition Stress: Molecular Identification, Media, and Enzyme Optimization for Higher Growth Yields Open
Aegle marmelos , known for its spiky appearance, is a versatile tree found worldwide. In the Indian medical tradition, this therapeutic tree is utilized to treat various ailments. It is commonly propagated through seeds, although they have…
View article: Phyto-synthesized silver nanoparticles from Sargassum subrepandum: anticancer, antimicrobial, and molluscicidal activities
Phyto-synthesized silver nanoparticles from Sargassum subrepandum: anticancer, antimicrobial, and molluscicidal activities Open
In the realm of nanotechnology, the use of algae to produce nanoparticles is an environmentally friendly, sustainable, and economically viable strategy. In the present study, the brown macroalgae Sargassum subrepandum was utilized to effec…
View article: Applying an internal transcribed spacer as a single molecular marker to differentiate between Tetraselmis and Chlorella species
Applying an internal transcribed spacer as a single molecular marker to differentiate between Tetraselmis and Chlorella species Open
In the realm of applied phycology, algal physiology, and biochemistry publications, the absence of proper identification and documentation of microalgae is a common concern. This poses a significant challenge for non-specialists who strugg…
View article: Exploring Exogenous Indole-3-acetic Acid’s Effect on the Growth and Biochemical Profiles of Synechocystis sp. PAK13 and Chlorella variabilis
Exploring Exogenous Indole-3-acetic Acid’s Effect on the Growth and Biochemical Profiles of Synechocystis sp. PAK13 and Chlorella variabilis Open
Microalgae have garnered scientific interest for their potential to produce bioactive compounds. However, the large-scale industrial utilization of microalgae faces challenges related to production costs and achieving optimal growth condit…
View article: Glycine differentially improved the growth and biochemical composition of Synechocystis sp. PAK13 and Chlorella variabilis DT025
Glycine differentially improved the growth and biochemical composition of Synechocystis sp. PAK13 and Chlorella variabilis DT025 Open
The potential of microalgae to produce valuable compounds has garnered considerable attention. However, there are various challenges that hinder their large-scale industrial utilization, such as high production costs and the complexities a…
View article: Phoenix dactylifera in vitro culture and transformation of Thio-60 antifungal gene via chitosan nanoparticle
Phoenix dactylifera in vitro culture and transformation of Thio-60 antifungal gene via chitosan nanoparticle Open
The date palm, or Phoenix dactylifera L., is one of the world’s oldest fruit trees. The entire date palm tree is used to produce a variety of goods, including food, clothing, fibre, and shelter. Tissue culture is one of the most recent met…
View article: Metal-based-oxide nanoparticles assisted the<i>in vitro</i>culture growth of<i>Populus alba</i>as micronutrients: essential metabolic processes and genetic stability
Metal-based-oxide nanoparticles assisted the<i>in vitro</i>culture growth of<i>Populus alba</i>as micronutrients: essential metabolic processes and genetic stability Open
In vitro culture growth rate of Populus alba upon using nano metal-based-oxides such as hematite (Fe 2 O 3 NPs), zinc oxide (ZnO NPs), and manganese oxide (Mn 2 O 3 NPs) nanoparticles as micronutrients.
View article: Effects of ultrasonic waves on seedling growth, biochemical constituents, genetic stability of fenugreek (Trigonella foenum-graecum) under salinity stress
Effects of ultrasonic waves on seedling growth, biochemical constituents, genetic stability of fenugreek (Trigonella foenum-graecum) under salinity stress Open
Fenugreek is a globally important legume that is widely cultivated for its therapeutic benefits in most parts of the world. Seeds on the other hand have a poor germination and growth rate when exposed to salinity. The effect of ultrasonic …
View article: Molecular Identification of Zantedeschia Culture with Determination of Its Morphometric and Metabolic Activities for Mediterranean Acclimatization
Molecular Identification of Zantedeschia Culture with Determination of Its Morphometric and Metabolic Activities for Mediterranean Acclimatization Open
Calla lily (Zantedeschia albomaculata (Hook.) Baill.) is an herbaceous or semi-evergreen perennial grown from rhizomes. It is commonly named “Spotted Arum”. Ribosomal RNAs (rRNAs) are found in all known organisms and are known for being fu…
View article: Molecular Evaluation of Cordyline fruticosa (L.) A.Chev. Behavior Affected by Different Chemical Mutagens
Molecular Evaluation of Cordyline fruticosa (L.) A.Chev. Behavior Affected by Different Chemical Mutagens Open
Cordyline fruticosa is a medicinal plant that is also ornamental due to its variegated coloured leaves.Some traits benefit from mutation.Guanidine hydrochloride and sodium azide were the chemical mutagens used in this study.For each, conce…
View article: Heteromorphic, physiological and molecular characteristics of Gazania spp grow in North Coast of Egypt
Heteromorphic, physiological and molecular characteristics of Gazania spp grow in North Coast of Egypt Open
Gazania (L.) is one of wild ornamental plant which has special architectures. It is a small genus of 16 species, belonging to the family Asteraceae (Formerly: Compositae). It is low-growing perennial herb, grow in clumps and can also form …
View article: Characterization of Mutant Aspergillus niger and the Impact on Certain Plants
Characterization of Mutant Aspergillus niger and the Impact on Certain Plants Open
Aspergillus niger is a dangerous pathogen for many plants. It is a major cause of the destruction, rotting and decomposition of plant tissues. Toxicity caused by A. niger can be inhibited by mutation decreasing the destructive effect on pl…
View article: Chitosan nanoparticles as a new technique in gene transformation into different plants tissues
Chitosan nanoparticles as a new technique in gene transformation into different plants tissues Open
The utilization of chitosan nanoparticles is a novel technique for gene transformation into plant tissues. It takes a few minutes to transform gene to plant. UidA gene was detected in Escherichia coli (K12 strain) using polymerase chain re…
View article: Genomic analysis of <i>Enterococcus durans</i> NT21, a putative bacteriocin-producing isolate.
Genomic analysis of <i>Enterococcus durans</i> NT21, a putative bacteriocin-producing isolate. Open
Enterococcus species are a long-standing and non-pathogenic commensal bacterium, representing an important part of the normal. Enterococcus durans is a rarely isolated species from animals and humans, and it was a tiny constituent of human…
View article: Metal Based-oxide Nanoparticles Assisted the Uptake of the Essential Elements and Phytoremediation of Populus Alba : Essential Metabolic Processes and Genetic Stability
Metal Based-oxide Nanoparticles Assisted the Uptake of the Essential Elements and Phytoremediation of Populus Alba : Essential Metabolic Processes and Genetic Stability Open
The present study evaluated the phytoremediation activities of Populus alba upon using nano metal-based-oxides (i.e., Fe 2 O 3 , ZnO, and Mn 2 O 3 -NPs) as analogues of three main heavy metals Fe, Zn and Mn exist in soil as micronutrients …
View article: Different cultivation media conditions affecting behavior and genetic stability of <i>Lepidium sativum</i> L.
Different cultivation media conditions affecting behavior and genetic stability of <i>Lepidium sativum</i> L. Open
Lepidium sativum is an edible medicinal plant from the family Brassicaceae. It holds many uses in folk medicine, and the bioactivities activities originate from its constituents. So, it is essential to estimate the different physiological …
View article: Production of Transgenic Allium Cepa By Nanoparticles To Resist Aspergillus Niger Infection
Production of Transgenic Allium Cepa By Nanoparticles To Resist Aspergillus Niger Infection Open
Transgenic plants are becoming a more powerful tool in modern biotechnology. Genetic engineering was used in biotech-derived products to create genetically modified (GM) plants. Plant bioreactor systems have proven to be extremely effectiv…
View article: Biometric and Genetic Stability Assessment of In Vitro Rooted Populus alba L. Micro-Shoots
Biometric and Genetic Stability Assessment of In Vitro Rooted Populus alba L. Micro-Shoots Open
Populus alba is a deciduous large woody tree. The plant was introduced to shooting, then rooting multiplication on MS media. This work's design depends on two factors (media power and sucrose concentrations) with different concentrations r…
View article: Chemical Mutagens Affecting in vitro Behavior of Gardenia jasminoides
Chemical Mutagens Affecting in vitro Behavior of Gardenia jasminoides Open
The chemical mutagens, namely sodium azide and guanidine hydrochloride (30, 40 and 50 mM) for each were applied for the in vitro culture of Gardenia jasminoides Ellis. Eight morphological traits were evaluated to calculate the result of di…
View article: Production of transgenic <i>Paulownia tomentosa</i> (Thunb.) steud. using chitosan nanoparticles to express antimicrobial genes resistant to bacterial infection.
Production of transgenic <i>Paulownia tomentosa</i> (Thunb.) steud. using chitosan nanoparticles to express antimicrobial genes resistant to bacterial infection. Open
Paulownia tomentosa (Thunb.) Steud. is a very important hard woody plant, an extremely fast-growing tree and produce timber. Therefore, there is a demand to produce transgenic Paulownia plant resistant to bacterial infection. Microbial inf…
View article: Research Article Morphological, cytological, physiological and genetic studies of <i>Bassia</i> <i>indica</i> (Amaranthaceae)
Research Article Morphological, cytological, physiological and genetic studies of <i>Bassia</i> <i>indica</i> (Amaranthaceae) Open
Bassia indica is a natural herb of medical and economic importance with a worldwide distribution, including in various regions of Egypt.It is primarily used for healing and is also considered a green fodder and can be used to remediate sal…
View article: Production of Transgenic Cavendish Banana (Musa Acuminata L.) Resistant to Fungal Infection using Chitosan Nanoparticles
Production of Transgenic Cavendish Banana (Musa Acuminata L.) Resistant to Fungal Infection using Chitosan Nanoparticles Open
Cavendish bananas ʻGrand Nainʼ are commercially important cultivars.It belongs to the Cavendish subgroup of the AAA banana cultivar group.These cultivars face the problem of quick rotting due to infection with different phytopathogens.Gene…
View article: Transgenic Potato (Solanumtuberosum) Expressing Two Antifungal Thionin Genes Confer Resistance To Fusarium Spp.
Transgenic Potato (Solanumtuberosum) Expressing Two Antifungal Thionin Genes Confer Resistance To Fusarium Spp. Open
Two thionin genes were isolated from Arabidopsis thaliana (AT1G12660 and AT1G12663).The resulted thionin protein has antifungal activity against potato pathogenic fungi like Fusariumsolani and Fusariumoxysporum.These two thionin genes were…
View article: Transformation of Thionin Genes Using Chitosan Nanoparticle into Potato Plant to Be Resistant to Fungal Infection
Transformation of Thionin Genes Using Chitosan Nanoparticle into Potato Plant to Be Resistant to Fungal Infection Open
Two thionin genes were isolated from Arabidopsis thaliana (AT1G12660 and AT1G12663).The resulted thionin protein has antifungal activity against potato pathogenic fungi like Alternaria alternata and Rhizoctonia solani.These two thionin gen…