7 hasil untuk "Rateb Abbas"
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Artikel Jurnal Teks lengkap
Bioremoval of Azo Dye derivatives from aqueous solution by application of natural flora; free and immobilized bed reactor
Bioadsorption is a promising technique for the removal of textile dyes at relatively low cost and with satisfactory efficiency. This study focuses on the evaluation of bioadsorption capacity of a free and immobilized bed reactor for the removal of Azo Dye derivatives. The selected natural flora…
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Artikel Jurnal Teks lengkap
Molecular Studies for Putative Promoter Activity in mdh sucCDAB Operon in Sinorhizobium meliloti
The theoretical data on the malate dehydrogenase (mdh), succinyl-CoA synthetase (sucCDAB) operon in Sinorhizobium meliloti and the experimental data suggest that this operon is regulated from the promoter upstream of mdh gene. On the other hand, the untranslated intergenic region between the sucD…
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Artikel Jurnal Teks lengkap
Green Synthesis of Silver Nanoparticles for Its Usage as an Antimicrobial Agent
Silver nanoparticles (AgNPs) were biosynthesized using aqueous extract of Citrus japonica (Kumquat) and Candida tropicalis culture supernatant. AgNPs were characterized using FTIR, UV-Vis, TEM, XRD, DLS, and EDAX. XRD confirmed the crystalline nature with four characteristic peaks at 2Ɵ values…
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Artikel Jurnal Teks lengkap
An innovative extracellular polysaccharide produced by Egyptian Marine Bacillus licheniformis, and its applications as antibacterial agent.
Twenty-two marine bacterial isolates were collected from the Eastern Harbor (29885 E longitude and 31205 N latitude) located at Alexandria, Egypt selected to produce exopolysaccharides, using the Shene extraction method in 2008. The most potent marine bacterium was identified as Bacillus…
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Artikel Jurnal Teks lengkap
Screening of Natural β-lactamase Inhibitors (BLIPs) from Two Newly Isolated Egyptian Streptomyces strains
β-lactam antibiotics are the most extensively used antibiotics to treat a variety of infections due to their safety, high selectivity, and efficacy. However, the main cause of antibiotic resistance is due to the misuse of antibiotics uptake which stimulated bacteria to produce β-lactamases…
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Artikel Jurnal
Comparative Evaluation of Aqueous and Methanolic Extracts of Spirulina platensis: Antibacterial Efficacy, Cytotoxicity, and Gene Expression Profiling
Background: Spirulina platensis is a cyanobacterium with significant bioactive potential. This study evaluated the antibacterial and cytotoxic properties of the aqueous and methanolic extracts and explored associated changes in gene expression. The antibacterial activity of both extracts was tested…
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Artikel Jurnal Teks lengkap
The Potential Efficiency of Lactobacillus farraginis Isolated from Ruminants with a View to be Used as Animal Probiotics
Probiotics refer to microorganisms that exhibit a beneficial effect on the animals’ health through intestinal microbial balance. This investigation intends to identify and define the probiotic characteristics of Lactobacillus strains isolated from the digestive systems of ruminants. Bacterial…