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Fermentation, formulation and evaluation of PgPR Bacillus subtilis isolate as a bioagent for reducing occurrence of peanut soil-borne diseases

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Journal of Integrative Agriculture 2019年第9期18卷 2080-2092页

作者： Abdel-gayed M.Ahmad abo-zaid g.attia Matar S.Mohamed Hafez E.Elsayed Onion Garlic and Oil Crops Research DepartmentPlant Pathology Research InstituteAgricultural Research CenterGiza 12619Egypt Bioprocess Development Department Genetic Engineering and Biotechnology Research InstituteCity of Scientific Research and Technological ApplicationsNew Borg El-Arab CityAlexandria 21934Egypt Chemical Engineering Department Faculty of EngineeringJazan UniversityJazan 45142Saudi Arabia Plant Protection and Biomolecular Diagnosis Department Arid Lands Cultivation Research InstituteCity of Scientific Research and Technological ApplicationsNew Borg El-Arab CityAlexandria 21934Egypt

Four isolates of Bacillus subtilis coded,B4,B7,B8 and B10 were examined as biocontrol agents for their abilities and antagonistic effect on the in vitro growth of certain phytopathogenic fungi of peanut,Rhizoctonia solani and Sclerotium *** subtilis isolate B4(genBank accession ***150884)was the highly effective one for inhibiting the fungal mycelial *** fermentation of *** isolate B4 was carried out and the maximum biomass achieved was 4.53 g L-1 at 11 *** subtilis isolate B4 was formulated and evaluated as a biofungicide to reduce peanut soil-borne diseases under greenhouse and field conditions at the side of Rizolex-T(fungicide)as *** by formulated plant growth-promoting rhizobacteria(PgPR)*** B4 and Rizolex-T in a soil infested with ***,*** and mixture of them were more effective in decreasing percentage of damping-off,root and pod rot disease incidence(%)in greenhouse and open field environment during the two seasons 2015 and *** by PgPR gave highly dry weight and number of healthy pods compared to control of fungi treatment which was nearby to dry weights of healthy pods achieved by treatments by Rizolex-T in a soil infested with ***,*** and mixture of *** PgPR *** B4 gave higher increasing of yield percentage than treatment by Rizolex-T in the two evaluated seasons 2015 and *** can conclude that the produced bioforumlated agent was more efficient as fungicide when compared with the other chemical synthesized fungicides,safe for human and the environment and economy.

关键词： peanut soil-borne diseases Bacillus subtilis biocontrol fermentation formulation

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Endoscopic Assisted Microscopic Skull Base Surgery

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Open Journal of Modern Neurosurgery 2018年第2期8卷 187-200页

作者： Mohammed attia Islam Alaghoy Magdy El Hawary Maamon abo-Shosha Skull-Base group Neurosurgery Department Faculty of Medicine Al-Azhar University Cairo Egypt

Background: Skull base tumors presented great challenge for neurosurgeons since decades due to their deep location, associated morbidity and limitation of operative field;however modern neurosurgery using the endoscope and/or the microscope served in minimizing peri-operative morbidities and improving the clinical outcome. Objective: To demonstrate the value of endoscope-assisted microsurgical technique for resection of skull base tumors. Patients and Methods: 30 patients divided into 3 groups (10 patients had medial sphenoid wing meningioma constituted group 1, 10 patients had suprasellar meningioma constituted group 2 and 10 patients had Cerbello-Pontine Angle (CPA) epidermoids constituted group 3) were operated through Endoscope Assisted Microscopic Skull Base Surgery technique at Al-Azhar University Hospitals during the period starting from January 2016 till the end of September 2017 using a rigid endoscope for inspection of tumor boundaries and neighboring vascularity in addition to confirm the extent of resection. Tumor resection was tried in all cases. Intra-operative resection rate and post-operative radiological outcomes were assessed. Results: Total gross resection was possible in 27 patients (90%). Subtotal resection was done in the other 3 cases (recurrent medial sphenoid wing meningiomas) due to excessive bleeding and adhesions of the tumors with vascular structures. Total resection of the tumor in post operative radiology was obtained in 24 patients (80%) and post-operative residual tumor was noticed in 6 patients in early post operative radiology and in only 3 cases at 3 months follow up radiology. Conclusion: Endoscopic-assisted microsurgical approach is a reliable, safe and effective option for adequate surgical resection of skull base tumors. The technique allowed proper inspection of the tumor relations and vascularity, detection of any residual portions, providing better chance for gross total resection with minimal tissue damage or vascular inju

关键词： Skull Base Endoscopic Assisted

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Electrochemical and Surface Characterization Studies of 2-amino-6-methyl-5-oxo-4-phenyl-5,6-dihydro-4H-pyrano[3,2-c]quinoline-3-carbonitrile Compound on Copper in 2 M HNO<sub>3</sub>

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Journal of Materials Science and Chemical Engineering 2019年第12期7卷 71-86页

作者： Ahmed M. Eldesoky Azza M. attia Omayma E. Ahmed Mohamed A. abo-Elsoud Engineering Chemistry Department High Institute of Engineering & Technology New Damietta Egypt Chemistry Department Al-Qunfudah University College Umm Al-Qura University Mecca KSA Department of Chemistry Faculty of Science Mansoura University Mansoura Egypt Faculty of Science and Arts Chemistry Department Najran University Najran KSA Evaluation and Analytical Department Egyptian Petroleum Research Institute Cairo Egypt Physics Department The University College in Al-Qunfudah Umm Al-Qura University Mecca KSA

The corrosion hindrance of Cu in 2.0 M HNO3 solution by 2-amino-6-methyl-5-oxo-4-phenyl-5,6-dihydro-4H-pyrano[3,2-c]quinoline-3-carbonitrile compound has been studied, using Potentiodynamic Polarization (PP), AC Impedance (EIS), Electrochemical Frequency Modulation (EFM) techniques. Also, EIS test was utilized to confirm the corrosion protection mechanism. 2-amino-6-methyl-5-oxo-4-phenyl-5,6-dihydro-4H-pyrano[3,2-c]quinoline-3-carbonitrile compound is suggested as a mixed kind inhibitor. SEM and EDX investigations of the Cu in 2.0 M HNO3 surface revealed that assembles protect Cu from corrosion by adsorption on its surfaces by a forming coating film. Clearly, the assembled mechanisms play a role as a barrier to corrosive solution.

关键词： Carbonitrile Cu SEM EDX EIS EFM

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BOD Composite as a New Eco-Friendly Corrosion Inhibitor

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材料科学与工程（中英文B版） 2020年第1期10卷 18-33页

作者： A.M.Eldesoky A.attia Omayma E.Ahmed M.abo-Elsoud Engineering Chemistry Department High Institute of Engineering&TechnologyNew Damietta 34517Egypt Chemistry Department Mansoura UniversityFaculty of ScienceMansoura 35516Egypt Evaluation and Analytical Department Egyptian Petroleum Research Institute Nasr CityCairo 11717Egypt Physics Department Umm Al-Qura UniversityAl-Qunfudhah University CollegeAl-Qunfudhah 21912Saudi Arabia Chemistry Department Umm Al-Qura UniversityAl-Qunfudhah University CollegeAl-Qunfudhah 21912Saudi Arabia Chemistry Department Najran UniversityFaculty of Science and ArtsNajran 21497Saudi Arabia

BOD composite,(E)-4-(2-(benzo[d]oxazol-2-yl)vinyl)-N,N-dimethylaniline is a new eco-friendly corrosion inhibitor versus P355 Carbon Steel(Cs).BOD was examined in 1.0 N HCl corrosive solution utilizing TP,EIS and EFM *** curves show that adsorption of BOD increases the transfer resistance and decrease the capacitance of interface metal/*** docking was utilized to predict the binding between BOD composite with the receptor of 3tt8-hormone of crystal structure analysis of Cu Human Insulin *** morphology of inhibited P355 Cs was analyzed by checking electron magnifying instrument innovation with energy dispersive X-beam spectroscopy(SEM EDX).

关键词： BOD eco-friendly P355 Cs SEM EDX molecular docking

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