Najwa al-barhawi

Najwa al-barhawi
University of Mosul · Department of Biology

About

15
Publications
308
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6
Citations
Citations since 2016
11 Research Items
6 Citations
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201620172018201920202021202201234
201620172018201920202021202201234
201620172018201920202021202201234
Introduction
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Publications

Publications (15)
Article
In this research, the six isolates of Staphylococcus aureus isolated from dental workers (dentists and assistants) were taken and diagnosed in another research which is under publication, to study its genetic estimation and its ability to form biofilms by plate Microtiter method. The results showed that all Staphylococcus aureus isolates have the a...
Article
In order to understand the medical effects of heavy metals, the antimicrobial effect of Cd (II) metal ion, Zr (IV) metal ion, Ligand and their complex compounds resulting from their combination, was studied on the growth of gram negative and positive bacteria as well as yeast. It turns out, that all bacterial isolates (Bacillus subtilus, Stapphyloc...
Article
Full-text available
Rhizobia represents one of the most important types of beneficial soil bacteria, as it contributes to fixing atmospheric nitrogen. In the present study, twenty four isolates of rhizobial bacteria were isolated from root nodules of six leguminous plants. These are Medicago sativa وTrigonella foenum-graecum, Cicer arietinum, Vicia faba, Lens culinari...
Article
Lipo-polysaccharides are important substances that consist of LipidA, Core and O-antigen, and are formed in several metabolic pathways that include nine enzymes encoded by special genes called Custer genes. These carbohydrates are characterized by many physical properties, including viscosity. It's viscosity of polysaccharides viscosity ranges from...
Article
Silver nanoparticles in this study were prepared using the method of laser ablation in liquids (PLAL) at two energies (540 and 700) mJ and the count of pulses were (100,200,300 and 400) pulse . The prepared samples were divided into three groups: the first group of the samples were kept as they are without any irradiation but the second and third g...
Article
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Lipopolysaccharide was extracted from Sihorhizobium meliloti which is known for its symbiotic relation with legume plant Medicago sativa. This (LPS) was added to the following concentrations: (0.5, 1.0, 1.5 and 2.0)mg/l of solidified Murashige and Skoog (MS) medium, in addition to use other MS media containing mixtures of concentrations mentioned a...
Article
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Abstract: A field survey was conducted for farms and villages in the Al- Hamdaniya district (Qaraqosh) and its edges that use groundwater for irrigation Twenty wells have been identified to collect water samples during the dry season to measure physical and chemical properties as well as calculate the evidence for irrigation water,like the percenta...
Article
Full-text available
Abstract External Polysacchariede has been extracted from Sinorhizobium meliloti which is known for its symbiotic relation with Legume plant Trigonella foenum-graecum. This (EPS) has been added with the following concentrations: 0.0, 0.05, 0.1, 0.2, 0.4, 0.8 mg/l to solidified Murashige & Skoog (MS) medium, to study its effect on callus initiation...
Article
Full-text available
ransformed forage legume plants (alfalfa & clover) by genetic engineering bacteria Agrobacterium rhizogenes R1601,were regenerated directly from seedling plants after inoculating the wounded site formed by cutting the plantlet stem at the cotyledon attachment site , and from hairy roots which formed on the hypocotyledon stem of these seedlings . Re...

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