khaled.abdelreheam1

خالد عبدالله علي عبدالرحيم

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كلية العلوم

العنوان: قسم النبات والميكروبيولوجي

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Extracellular biosynthesis of silver nanoparticles using Rhizopus stolonifer

2017 | الكلمات المفتاحية Silver nanoparticles, Rhizopus,
Extracellular biosynthesis of silver nanoparticles using Rhizopus stolonifer
Synthesis of silver nanoparticles (AgNPs) has become a necessary field of applied science. Biological method for synthesis of AgNPs by Rhizopus stolonifer aqueous mycelial extract was used. The AgNPs were identified by UV–visible spectrometry, X-ray diffraction (XRD), transmission electron microscopy (TEM) and Fourier transform infrared spectrometry (FT-IR). The presence of surface plasmon band around 420 nm indicates AgNPs formation. The ... إقراء المزيد

Bactericidal and Antibiotics synergistic effect of Nanosilver against Methicillin-Resistant staphylococcus aureus.

2015 | الكلمات المفتاحية Ag-NPs, Nanosilver, , Antibiotic, Methicillin-Resistant, STAPHYLOCOCCUS AUREUS,
Bactericidal and Antibiotics synergistic effect of Nanosilver against Methicillin-Resistant staphylococcus aureus.
ABSTRACT BACKGROUND: Methicillin-Resistant _Staphylococcus aureus _(MRSA) are bacteria responsible for several difficult-to-treat infections in humans. These strains have developed, through the process of natural selection. Infections by MRSA are more difficult to treat with standard types of antibiotics and thus more dangerous to human health. OBJECTIVES: The aim of this study was to evaluate the bactericidal and antibiotic synergistic effect ... إقراء المزيد

Prevalence, plasmids and antibiotic resistance correlation of enteric bacteria in different drinking water resources in Sohag, Egypt

2015 | الكلمات المفتاحية
Prevalence, plasmids and antibiotic resistance correlation of enteric bacteria in different drinking water resources in Sohag, Egypt
h إقراء المزيد

Diagnosis of Pulmonary Tuberculosis and Detection of Resistance to ifampin and Isoniazid through Direct Molecular Methods in Stool Samples.

2011 | الكلمات المفتاحية TB, Tuberculosis, resistance,
Diagnosis of Pulmonary Tuberculosis and Detection of Resistance to ifampin and Isoniazid through Direct Molecular Methods in Stool Samples.
Mycobacterium tuberculosis (M.tb). TB has high morbidity and mortality around the world. _OBJECTIVE._ To evaluate molecular based methods performed directly on stool samples for the diagnosis of pulmonary tuberculosis (PTB) and to determine the susceptibility to Rifampicin (RMP) and Isoniazid (INH). _STUDY DESIGN._ This is a descriptive study evaluating the performance of the PCR-based method for direct PTB diagnosis and ... إقراء المزيد

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