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Pulsed Laser Heating of a Finite Silver Selenide Slab Using (HHCE) Model

Applied Mathematics 2018年第4期9卷 355-368页

作者： Mohamed Abdelhady Kamel EL-Adawi safaa abdelfattah shalaby Physics Department Faculty of Education Ain Shams University Heliopolis Cairo Egypt

Heat induced in a finite Silver Selenide slab by an external pulsed laser source is studied in dimensionless scale according to hyperbolic heat conduction model (HHCE) using Laplace integral transform technique. The temperature profile, the critical time required to initiate phase transition and that to initiate damage at the front surface are obtained for different pulses and are illustrated graphically.

关键词： Laser Heating Hyperbolic Heat Conduction Equation Laser Induced Phase Transition Heating Silver Selenide Slab

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Update on Healthcare-Associated Blood Stream Infections in Febrile Neutropenic Pediatric Oncology Patients

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Journal of Cancer Therapy 2015年第6期6卷 504-510页

作者： Hadir A. El-Mahallawy safaa Shawky Hassan Mohamed El-Wakil Manar M. Moneer Lobna shalaby Clinical Pathology Department National Cancer Institute Cairo University Cairo Egypt Clinical Oncology Department Faculty of Medicine Beni Suef University Beni Suef Egypt Biostatistics and Cancer Epidemiology Department National Cancer Institute Cairo University Cairo Egypt Pediatric Oncology Department National Cancer Institute Cairo University Cairo Egypt

Background: Continuous surveillance of pattern of blood stream infection is necessary in febrile neutropenia especially with the recent escalating trend in the management of pediatric cancer patients towards intensified regimens and with the increase in infections caused by resistant organisms limiting the choice of antibiotics. Aim: Monitoring if a change has occurred in pattern of blood stream infections (BSI) in febrile neutropenic (FN) pediatric cancer patients. Methods: Surveillance of FN episodes with positive BSI was prospectively monitored and compared to a previous surveillance in the same pediatric oncology unit. Results: A total of 232 BSI positive episodes were documented in 192 patients during a 6 months period. The results of recent surveillance analysis showed an increase in intensified regimens of chemotherapy, antimicrobial resistance, and prolonged duration of episodes when compared to previous surveillance, with a p value of <0.001, 0.005, and <0.001, respectively. There was an apparent decrease in the crude mortality but this was not statistically significant, 6% in 2011 and 10% in 2006. Conclusion: The pattern of BSI at our institution is still inclining towards gram positive organisms but is showing a shift towards more antibiotic resistance and prolonged episodes.

关键词： Blood Stream Infections (BSI) Febrile Neutropenia (FN) Multidrug Resistant Organism (MDRO)

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Prevelance of Bovine Cysticercosis in Egypt and the Cysticidal Effect of Two Extracts Obtained from Balanites aegyptiaca and Moringa oleifera on Mice Model Affected with T. saginata Cysticerci

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Open Journal of Animal Sciences 2024年第2期14卷 39-55页

作者： Omnia M. Kandil Noha M. F. Hassan Doaa Sedky Hatem A. shalaby Heba M. Ashry Nadia M. T. Abu El Ezz Sahar M. Kandeel Mohamed S. abdelfattah L. Ying Ebtesam M. Al-Olayan Parasitology and Animal Diseases Department Veterinary Research Institute National Research Centre Dokki Cairo Egypt Chemistry of Natural Compounds Department Pharmaceutical and Drugs Industries Research Institute National Research Centre Dokki Cairo Egypt Chemistry Department Faculty of Science Helwan University Cairo Egypt State Key Laboratory of Plateau Ecology and Agriculture Qinghai University Xining China College of Agriculture and Animal Husbandry Qinghai University Xining China Department of Zoology Collage of Science King Saud University Riyadh Saudi Arabia

The aim of the present study was to determine the prevalence of bovine cysticercosis in both cattle and buffloas, in Egypt and to assess the cysticidal efficacy of Balanites aegyptiaca fruits (B. aegyptiaca) and Moringa oleifera seeds (M. oleifera) extracts in experimentally infected mice. The study detected the level of tumor necrosis factor (TNF-α) to monitor the immune and inflammatory responses of experimentally infected mice. Through meat inspection, a total number of 2125 male bovine, 2 to 5 years old, (1125 cattle and 1000 buffloes) were examined under the authority of Albsatine and Alwaraq official abattoirs in Cairo Governorate, Egypt covering the period extended from March 2022 to April 2023. The overall prevalence of the disease among bovine was 7.8% (6.31% of cattle and 9.5% of buffloes). Besides, B. aegyptiaca and M. oleifera extracts showed cysticidal activity in experimentally infected mice. A decrease in the numbers of cysticerci was found in all treated mice groups, and up to 88% reduction was achieved in the B. aegyptiaca-treated group;higher than that was recorded in both M. oleifera (72.23%) and albendazole-treated ones (80.56%). Postmortem findings proved that M. oleifera and B. aegyptiaca reduced cysticerci numbers comparable to a commercial anthelmintic. The study showed a significant decrease (P 0.001) in TNF-α levels after treatment with Balanites and Moringa extracts, compared with the untreated control and the albendazole-treated groups.

关键词： Prevalence Balanites aegyptiaca Moringa oleifera Mice T. saginata Cysticerci

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