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Cross Sectional Study of Skin Carriage and Enterotoxigenicity of Staphylococcus aureus among Food Handlers

Open Journal of Medical Microbiology 2014年第1期4卷 16-22页

作者： Moustafa El-Shenawy Mohamed Tawfeek Lobna El-Hosseiny Mohamed El-Shenawy Aida Farag Hoda Baghdadi ola saleh Jordi Manes Jose Miguel Soriano Department of Food Microbiology National Research CenterCairoEgypt Department of Environmental Studies Institute of Graduate Studies and ResearchAlexandria UniversityAlexandriaEgypt Department of Microbiology National Institute of Oceanography and FisheriesAlexandriaEgypt Observatory of Nutrition and Food Safety in Developing Countries Department of Preventive Medicine and Public HealthFaculty of PharmacyUniversity of ValenciaBurjassotSpain

The prevalence of enterotoxigenic Staphylococcus aureus was investigated among 200 participants working in three different food processing plants in Egypt. Using skin swabs, 75 (38%) of the 200 tested persons were positive for the presence of S. aureus. Of the S. aureus positive persons, 28 (14%) harboured S. aureus produced staphylococcal enterotoxins. The serotypes of these enterotoxins were enterotoxin A (68%), enterotoxin B (36%), enterotoxin C (46%) and enterotoxin D (18%). Some of these isolates produced more than one type of enterotoxins namely AB, AC, BC, BD, ABC and ACD. Analysis of risk factors implicated in skin carriage of S. aureus as age, gender, marital status, education, duration in employment, frequency and method of hand wash and incidence of chronic skin infection revealed insignificant association with staphylococcal skin carriage. The obtained results put forth the risk of food contracting contamination with enterotoxigenic strains of S. aureus owing to skin colonization of S. aureus among food handlers.

关键词： Enterotoxigenic S.aureus Skin Carriage Risk Factors Food Handlers

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Synthesis of Some More New Fluorinated 1,2,4-triazino[3,4-b][1,3,4]Thiadiazolonesand Their Molluscicidal Against Selective Snails - Part I

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Journal of Chemistry and Chemical Engineering 2015年第3期9卷 162-175页

作者： Mohammed saleh TawfekMakki RedaMohammady Abdel Rahman ola Ahmad AbuAli Chemistry Department Faculty of Science King Abdul Aziz University Jeddah 80203 Kingdom of Saudi Arabia

Some more new fluorinated 1,2,4-triasino[3,4-b][1,3,4]thiadiazolones （6-9 and 11-16） have been synthesized from cyclocondensation of 5-hydrazino-2-（4＇-fluorophenyl）-1,3,4-thiadiazole with bifunctional oxygen and halogen compounds. Structures of the products have been deduced from their elemental, chemical and spectral data （UV, IIL 1H/13C NMR （nuclear magnetic resonance） and mass）. All the new compounds evaluated as molluscicidal against towards snails which responsible for Bilharziasis diseases.

关键词： Fluorine 1 2 4-triasino[3 4-b]thiadiazolones molluscicidal activities.

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Synthesis of New Fluorinated 1,2,4-Triazino [3,4-b][1,3,4]thiadiazolones as Antiviral Probes-Part II-Reactivities of Fluorinated 3-Aminophenyl-1,2,4-triazinothiadiazolone

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International Journal of Organic Chemistry 2015年第3期5卷 153-165页

作者： Mohammed saleh Tawfek Makki Reda Mohammady Abdel Rahman ola Ahmad Abu Ali Chemistry Department Faculty of Science King Abdul Aziz University Jeddah Kingdom of Saudi Arabia

Some new fluorinated 3-N-acyl/3-N-alkylaminophenyl-1,2,4-triazino[3,4-b][1,3,4]thiadiazolones (2-12) have been obtained from treatment of 2-(4'-fluorophenyl)-6-(2'-amino-5'-fluorophenyl)-1,2,4-triazino[3,4-b][1,3,4]thiadiazol-4-one(1) with active functional oxygen, sulfur and halogen compounds in different conditions. Former structures of the products have been characterized from elemental and spectral data (UV, IR, NMR and Mass). The new products were evaluated as potential anthelmintic drugs.

关键词： Synthesis Fluorinated 1 2 4-Triazinothiadiazolones Anthelmintic Drugs

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Evaluation of Bilateral Mental Nerve Block as an Alternative to General Anesthesia for Resection of Lower Lip Tumors

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Surgical Science 2017年第8期8卷 319-325页

作者： Ashraf Khater Islam A. Elzahaby Mohamed Hamdy Mohammad Zuhdy Omar Hamdy Mohamed Ezzat Mahmoud Abdelaziz Ahmad M. Farid Mansour Elmoatasem Amr Hassan Khalid Atallah Mahmoud Mostafa saleh Maha A. Abo-Zeid Amr Yassin ola Taha Abd Eldayem Mona Gad Department of Surgical Oncology Mansoura Oncology Center (OCMU) Faculty of Medicine Mansoura University Mansoura Egypt Anesthesia and Surgical Intensive Care Department Mansoura University Hospital Faculty of Medicine Mansoura University Mansoura Egypt

Objective: Nerve blockade is commonly used in oncosurgical procedures as an alternative to general anesthesia for older patients and those with significant medical problems. We report a single tertiary oncology center experience in performing various lip resections and reconstructive techniques using this technique. Patients and methods: sixty patients with lower lip tumors were enrolled into this study with exclusion of refusing, non-compliant and critically ill patients. A solution of 4 ml 2% Lidocaine and epinephrine was put in a 5 ml syringe. Half the solution (2 ml) was injected into each side with a 23 gauge needle and after 5 minutes the surgical resection was carried out after testing for anesthesia. Results: The mean age was 68 ± 6.2 years. The mean ASA score was 3 ± 0.75. There were 4 cases who expressed painful sensation and their operations were completed with fentanyl increments. Mean hospital stay was 1 ± 0.75 days. There were three cases of wound gaping who were treated with secondary closure in an outpatient basis. One patient expressed postoperative acute ischemic heart pain that was managed with anti-ischemic measurements. Conclusion: Bilateral mental nerve block is a safe and effective alternative to general anesthesia in lower lip tumors’ resection especially in older patients and those with poor tolerance for general anesthesia provided that there is no need for cervical nodal dissection.

关键词： Mental Nerve Block Lip Tumors Lidocaine

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