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Publications (20)
Bacterial-OMVs, or bacterial outer membrane vesicles, are used in a number of biological systems, including non-living complex-based vaccines, as antibacterial agents, and as payload delivery vehicles to different cellular and sub-cellular locations. Interestingly, OMVs have not been much used as autophagy inducers in cancer cells. To investigate t...
يعتبر ظهور البكتيريا المقاومة للأدوية المتعددة للمضادات الحيوية الشائعة وتزايدها السريع من المشاكل الصحية الرئيسية ؛ أصبحت العديد من المضادات الحيوية أقل فاعلية ضد البكتيريا المسببة للأمراض ، لذلك هناك حاجة ملحة للبحث عن مواد جديدة مضادة للبكتيريا خاصة من المصادر الطبيعية. أظهرت العديد من الدراسات أن الأعشاب قد تؤثر إيجابًا على قابلية الميكروبات لل...
In this work, bismuth oxide nanoparticles (Bi2O3 NP) were prepared by laser ablation of a solid target in distilled water. The optical and structural properties of Bi2O3 NPs were studied using UV–VIS spectroscopy, energy-dispersive X-ray spectroscopy (EDS), transmission electron microscope (TEM), scanning electron microscopy (SEM), and Fourier tran...
In this study, tellurium oxide (TeO 2 ) nanoparticles were synthesized via PLA of tellurium targets with a 1064 nm laser in distilled water. The morphology and the particle size of the nanoparticles were characterized by scanning electron microscope (SEM) and atomic force microscope (AFM) respectively. The optical properties were studied by UV-Visi...
Ethanolic crude extracts of leaves from Laurus nobilis and Alhagi maurorumfor were screened for alkaloids, saponins, tannins, anthraquinones, steroids, flavonoids, glycosides, and glucosides contents. Biochemical activities, including antibacterial activity, antioxidant, and antihemolytic activity, were investigated. Antibacterial activity against...
In this work, new surfactants for Functionalization of Multi Walled Carbon Nanotubes (F-MWCNTs) with functional groups have been developed by using walnut oil, to improve their surface activity (solubility) and a create free reticules (functional groups) on it. MWCNTs were functionalized with walnut oil via ultra-sonication technique at 25°C for 1h...
Poster Acceptance Letter in 5th Nano Today 2017
In this study, (50-110nm) magnetic iron oxide (α-Fe2O3) nanoparticles were synthesized by pulsed laser ablation of iron target in dimethylformamide (DMF) and sodium dodecyl sulfate (SDS) solutions. The structural properties of the synthesized nanoparticles were investigated by using Fourier Transform Infrared (FT-IR) spectroscopy, UV-VIS absorption...
ZnO nanoparticles assisted with ethanol and 2propanol as capping agent investigated the medical activities of ZnO nanoparticles and ZnO/Ag composite. ZnO nanoparticles were prepared using zinc acetate and silver nitrate as a source of zinc and silver. ZnO/Ag composite also prepared and studied the medical activities. XRD pattern indicates that the...
Colloidal solutions of Titanium dioxide nanoparticles were synthesized by laser
ablation of Titanium plate in deionized water. Studies of synthesized nanoparticles
suspensions were characterized by UV-VIS absorption, Fourier transform infrared
spectroscopy (FTIR) and transmission electron microscope (TEM). FTIR characterization
confirms the for...
Colloidal solutions of Titanium dioxide nanoparticles were synthesized by laser ablation of Titanium plate in deionized water. Studies of synthesized nanoparticles suspensions were characterized by UV-VIS absorption, Fourier transform infrared spectroscopy (FTIR) and transmission electron microscope (TEM). FTIR characterization confirms the formati...
To synthesize silver nanopaticles from leaves extract of Eucalyptus chapmaniana (E. chapmaniana) and test the antimicrobial of the nanoparticles against different pathogenic bacteria, yeast and its toxicity against human acute promyelocytic leukemia (HL-60) cell line.
Ten milliliter of leaves extract was mixed with 90 mL of 0.01 mmol/mL or 0.02 mmo...
The total phenolic content, antioxidant, antimicrobial and cytotoxic activities of hot ethanolic extract of Salix alba bark were investigated. The antioxidant properties and the total phenolic contents of the extract were assessed by 1, 1-Diphenyl- 2-Picrylhydrazyl (DPPH) free radical scavenging and Folin-Ciocalteu methods, respectively. The extrac...
The emergence of multi-drug resistant bacteria to common antibiotics and their rapid increase are major health problems; many antibiotics have become less and less effective against pathogenic bacteria, therefore there is an urgent need to search for new antibacterial substances especially from natural sources. Many studies showed that herbs may po...
This study involves the chemical synthesis of the novel ligand 5-(2-diphenylphosphino) phenyl-1,2-dihydro-1,2,4-triazole-3-thione (DPDTT) by the reaction of 2-diphenylphosphino benzoic acid with absolute ethanol that yield ethyl 2-diphenylphosphino benzoate and by cyclization of this compound with thiosemicarbazide, DPDTT will be produced. The chel...