• Title/Summary/Keyword: Hail

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Expression of EGFR and p53 in Head and Neck Tumors among Sudanese Patients

  • Abusail, Mustafa Saadalnour;Dirweesh, Ahmed Mohmed Ahmed;Salih, Rashid Awad Abdalla;Gadelkarim, Ahmed Hussain
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.11
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    • pp.6415-6418
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    • 2013
  • Background: The aim of this study was to assess EGFR and p53 expression in head and neck tumors among Sudanese patients using immunohistochemistry. Materials and Methods: A retrospective descriptive study was performed on 150 samples from patients diagnosed with HNCs as well as 50 from individuals with benign head and neck tumors. EGFR and p53 expression was assessed using immunohistochemistry (IHC). Results: EGFR was expressed in 126/150 (84%) of HNCS and 6/50 (12%) benign head and neck tumors where as p53 was expressed in 29/150 (19.3%) of HNCs and 2/50 (4%) of benign head and neck tumors, with significance at p values of 0.001 and 0.009 respectively. Conclusions: There is a significant association between EGFR, P53 expression and head and neck cancers among Sudanese patients.

EEG spikes resembling cardiac M-shaped waves in the EKG: the cerebral M pattern

  • Janati, A.Bruce;ALGhasab, Naif S.;Aziz, Tariq;Haq, Fazal;ALGhassab, Fahad Saad;Iqhbal, Tariq;Alenazy, Rehab Khaleel
    • Annals of Clinical Neurophysiology
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    • v.19 no.1
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    • pp.58-63
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    • 2017
  • Studies of interictal epileptiform discharges are essential for improving the diagnosis, classification, and management of epilepsy. In this case series we sought to identify the clinical and neurophysiological significance of bifid spikes, whose pattern bears a strong resemblance to the cardiac M pattern. We hypothesize that, analogous to the cardiac M pattern, the cerebral M pattern is generated by a conduction defect associated with asynchronous spatiotemporal averaging of electrical signals in the cortex, resulting in the signals reaching the scalp with different latencies. Unlike the cardiac M pattern, the pathology underlying the cerebral M pattern is unknown, although congenital CNS anomalies may be a culprit.

An Analysis of the Hail Damages to Korean Forests in 2017 by Meteorology, Species and Topography (2017년 우박에 의한 산림피해의 기상, 수종 및 지형 특성 분석)

  • Lim, Jong-Hwan;Kim, Eunsook;Lee, Bora;Kim, Sunhee;Jang, Keunchang
    • Korean Journal of Agricultural and Forest Meteorology
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    • v.19 no.4
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    • pp.280-292
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    • 2017
  • Hail is not a frequently occurring weather event, and there are even fewer reports of hail damages to forest stands. Since the 2000s, an increase in hail incidence has been documented in Europe and the United States. In Korea, severe hails occurred in Jeollanam-do province on May 31 and in Gyeongsangbuk-do province on June 1, 2017. Hail size was ranged from 0.5 to 5.0 cm in diameter in Jeollanam-do, and from 1.5 to 3.0 cm in Gyeongsangbuk-do. This study was aimed to analyze the hail damages to forests by species and topography based on damage-categorized maps created by using drones and aerial photographs, and to analyze relationships of the damages with meteorological factors. The total damaged forest area was 1,163.1ha in Jeollanam-do, and 2,942.3ha in Gyeongsangbuk-do. Among the 'severe' damaged area 326.7ha, 91% was distributed in Jeollanam-do, and concentrated in the city of Hwasun which covers 57.2% of the total 'severe' damaged area. The most heavily damaged species was Korean red pine(Pinus densiflora S. & Z.) followed by P. rigida. Most broad-leaved trees species including oaks were recovered without any dead trees found. Liliodendron tulipifera was the most severely damaged in terms of the rate of 'severe' degree individuals which are needed to be checked whether they will die or be recovered. Cause of the death of pines was considered as the combination of physical damage caused by the hail and long-lasting drought with high air temperature that occurred before and after the hail event. No pathogens and insects were found which might have affected to tree deaths. We suggested a dieback mechanism of the pine trees damaged by hail and drought.

Immunohistochemical Expression of Cytokeratins and Epithelial Membrane Protein 2 in Nasopharyngeal Carcinoma and its Potential Implications

  • Ahmed, Hussain Gadelkarim;Suliman, Rania Saad Abdul Gader;Abd El Aziz, Mohammed Siddig;Alshammari, Fawaz D.
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.2
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    • pp.653-656
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    • 2015
  • Background: Nasopharyngeal carcinoma (NPC) is an aggressive disease and tends to involve surrounding tissues, and biomarkers for better management are yet to be identified. Materials and Methods: One hundred and fifty tissue samples with NPC diagnosis were were investigated using pan cytokeratin (CK) and epithelial membrane protein 2 (EMP2) antibodies. Results: Immunohistochemical expression of CK was identified in 144/150 (96%) and of EMP2 in 120/150 (80%). Conclusions: There is a high loss of EMP2 in NPC, especially high grade examples. Loss of CK expression is also linked to high grade NPC types.

Human Papilloma Virus Attributable Head and Neck Cancer in the Sudan Assessed by p16INK4A Immunostaining

  • Ahmed, Hussain Gadelkarim;Mustafa, Saadalnour Abusail;Warille, Eyman
    • Asian Pacific Journal of Cancer Prevention
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    • v.13 no.12
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    • pp.6083-6086
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    • 2012
  • Background: The aim of this study was to screen for human papillomavirus (HPV) infections in head and neck squamous cell carcinomas (HNSCCs) using P16 immunostaining. Materials and Methods: A retrospective study was performed on 150 samples from patients diagnosed with HNSCCs. HPV status was determined using $p16^{INK4A}$. Results: 31 of the 150 (20.7%) HNSCCs were HPV positive. Conclusions: A large proportion of HNSCCs in Sudan are associated with HPV infection. The fact that the prevalence of HPV is high among Sudanese patients with head and neck cancers (HNC) has obvious implications for vaccine therapy.

Honeypots Tools Study and Analysis

  • Al-Jameel, Sultan;Alanazi, Adwan Alownie
    • International Journal of Computer Science & Network Security
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    • v.21 no.1
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    • pp.162-173
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    • 2021
  • The Honeypot is the mechanism that is made to learn more about the attackers like knowing about the method and pattern of attack and is also used to obtain very useful info about all intrusive activities. Honeypots usually categorized according to the interaction's level as (high, medium, low) interaction. The main purpose which is used as honey production and honey research. This paper includes a detailed study of two honeypot tools. The different honey pot findings are put in in this paper to illustrate how honey is working in a real environment and even how it reacts when undesirable interest obtain in this network, and these tools are used to improve the concept of security, protection and confidentiality within or outside the organization to avoid attacks, vulnerabilities and breaches.

Viewpoint Model Manipulating Inconsistencies Management

  • Ahmad Dalalah;Jalawi AlShudukhi
    • International Journal of Computer Science & Network Security
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    • v.23 no.2
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    • pp.96-100
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    • 2023
  • In this paper, each inconsistency management process activities was addressed. In addition, a guideline to deal with inconsistency by viewpoints method are introduced. At the end of the paper you should have clear idea to support inconsistency management in future research and having good knowledge of inconsistency management process activities and research issues. Moreover, it gives the researcher ability to design new framework by using powerful concept in inconsistency management and viewpoint techniques. The paper is organized as follows: an introduction is presented in section one, section two contains process viewpoint, while section three includes the proposed model and conclusions are in section four.

Investigation of Ice Impacts on Aluminum Skin Structure (알루미늄 표피 구조의 Ice 충돌 특성에 관한 연구)

  • Park, Gyu Cheol;Myeong, No Sin
    • Journal of the Korean Society for Aeronautical & Space Sciences
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    • v.31 no.5
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    • pp.110-116
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    • 2003
  • With the growth of aircraft performance and needs for light aircraft, the problems associated with hail impacts on aircraft during flights and grounding become and important issue. These hail encounters can cause severe damages to aircraft and result in major concerns in safety and cost. Since nearly all external components of the commercial and military aircraft-in particular, the nose section and the leading edge of the wing and tail-are subject to damages, much effort has been put into understanding of this problem. However, most of the previous studies have focused on the composite components and few results have been reported for the metallic components. In this paper, we study the ice impacts on the aluminum component with the finite element analysis method utilizing commercial non-linear dynamics solver LS-DYNA. The results are compared with the experimental data and a simple measure of the ice impact effects is proposed.

Potential Evaluation and Health Fostering Intrinsic Traits of Novel Probiotic Strain Enterococcus durans F3 Isolated from the Gut of Fresh Water Fish Catla catla

  • Alshammari, Eyad;Patel, Mitesh;Sachidanandan, Manojkumar;Kumar, Prashant;Adnan, Mohd
    • Food Science of Animal Resources
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    • v.39 no.5
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    • pp.844-861
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    • 2019
  • Over the last few years, marine environment was found to be a source of surplus natural products and microorganisms with new bioactive secondary metabolites of interest which can divulge nutritional and biological impact on the host. This study aims to assess the possible, inherent and functional probiotic properties of a novel probiotic strain Enterococcus durans F3 (E. durans F3) isolated from the gut of fresh water fish Catla catla. Parameters for evaluating and describing the probiotics described in FAD/WHO guidelines were followed. E. durans F3 demonstrated affirmative results including simulated bile, acid and gastric juice tolerance with exhibited significant bactericidal effect against pathogens Staphylococcus aureus, Salmonella Typhi, Escherichia coli and Pseudomonas aeruginosa. This can be due to the enterocin produced by E. durans F3 strain, which was resolute by sodium dodecyl sulphate polyacrylamide gel electrophoresis (SDS-PAGE) gel with amplification of the anticipated fragment of a structural gene; enterocin A, followed by antibiotic susceptibility assessment. Effective antioxidant potentiality against ${\alpha}$-diphenyl-${\alpha}$-picrylhydrazyl free radicals including lipase, bile salt hydrolase activity with auto-aggregation and cell surface hydrophobicity was similarly observed. Results are proving the potentiality of E. durans F3, which can also be used as probiotic starter culture in dairy industries for manufacturing new products that imparts health benefits to the host. Finding the potent and novel probiotic strains will also satisfy the current developing market demand for probiotics.

Groundwater pollution risk mapping using modified DRASTIC model in parts of Hail region of Saudi Arabia

  • Ahmed, Izrar;Nazzal, Yousef;Zaidi, Faisal
    • Environmental Engineering Research
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    • v.23 no.1
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    • pp.84-91
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    • 2018
  • The present study deals with the management of groundwater resources of an important agriculture track of north-western part of Saudi Arabia. Due to strategic importance of the area efforts have been made to estimate aquifer proneness to attenuate contamination. This includes determining hydrodynamic behavior of the groundwater system. The important parameters of any vulnerability model are geological formations in the region, depth to water levels, soil, rainfall, topography, vadose zone, the drainage network and hydraulic conductivity, land use, hydrochemical data, water discharge, etc. All these parameters have greater control and helps determining response of groundwater system to a possible contaminant threat. A widely used DRASTIC model helps integrate these data layers to estimate vulnerability indices using GIS environment. DRASTIC parameters were assigned appropriate ratings depending upon existing data range and a constant weight factor. Further, land-use pattern map of study area was integrated with vulnerability map to produce pollution risk map. A comparison of DRASTIC model was done with GOD and AVI vulnerability models. Model validation was done with $NO_3$, $SO_4$ and Cl concentrations. These maps help to assess the zones of potential risk of contamination to the groundwater resources.