Arab American University - Jenin
Janin, Palestine

The Arab American University —the first private Palestinian joint venture university—is an educational institution founded in 2000 in collaboration with California State University, Stanislaus, which provided advice in the development of academic plans and the way of implementing them. The Arab American University provides quality education for Palestinians and international students. AAUJ has made impressive strides towards the development of educational facilities and laboratories in a vibrant setting. AAUJ adopts a distinct, unique education system with a wide range of schools offering diversified programs. These academic programs are demand-based . The necessity-motivated programs are meant to acquaint graduates with the skills needed to develop independent thinking and entrepreneurship aptitudes in order to be able to contribute to the overall, sustainable national development. To this end, AAUJ hires bright professionals from the Palestinian Academia as well as international scholars- an approach that diversifies the sources of education and the latest achievements in science and technology. AAUJ prides itself of being a leading academic institution that is always present in local, regional and international academic forums. It is also an active member of the Association of Arab Universities, the Federation of Islamic Universities and the Association of Private Universities. The University provides a satisfactory learning environment bolstered by extracurricular activities. Thus, it accepts challenges and capitalizes on opportunities available, so as to adapt, grow and understand change and the resulting rapidly evolving society. The town of Zababdeh is located nearby, within 2 km. The university has some good looking facilities including training centers , a football stadium, swimming pool and top-notch closed multipurpose sports facility.The Quality Management System of AAUJ has been approved by the International Organization for Standardization , just to become the first Palestinian university to receive such an international certificate. The following are the graduate and undergraduate programs offered by the seven faculties of the university:Faculties Faculty of Administrative & Financial science Accounting Business Administration Finance & Banking Management Information Systems Hospitals Management Marketing Faculty of Allied Medical science Medical Imaging Medical Laboratory science Nursing Health science - with two separate specializations Occupational Therapy Physical Therapy Faculty of Arts & science Biology & Biotechnology Industrial Chemistry English language - TEFL Track English Language - Translation Track Mathematics & Statistics Physics Arabic Language and Mass Media Faculty of Dentistry Orthodontics and Pediatric Dentistry Faculty of Information Technology and Engineering Computer Information Technology Computer Science Multimedia Technology Telecommunication Technology Engineering Computer System Engineering Faculty of Law Law Fiqh & Law Faculty of Graduate Studies Master of Business Administration Master of Computer Science Master of Commercial Law Master of Applied Mathematics↑ ↑ ↑ ↑ Wikipedia.

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Background Human enteroviruses (HEVs) are the most frequently reported cause of aseptic meningitis with or without CSF pleocytosis in childhood. Rapid detection and genotype of HEVs is essential to determine the causative agent and variant causing sepsis-like illness and/or aseptic meningitis. Aim To investigate the molecular epidemiology of enteroviruses (EVs) among patients with sepsis-like illness and/or aseptic meningitis admitted to three major hospitals in West Bank, Palestine from 2012 to 2015. Methods During the study period, 356 CSF samples were collected from patients with sepsis-like illness and/or aseptic meningitis. Two RT-nested PCR assays targeting a partial part of 5'UTR for direct diagnosis and the VP1 region for genotyping by sequence analysis of the viral genome were used. Results HEV RNA was detected in 66 of 356 (18.5%) of CSF samples. Age distribution showed that 64% (42/66) were infants (<1 year), 18% were children between 1 and 5 years old, 12% were children between 5 and 10 years old, and 6% were more than 10 years old. Of the 66 EV cases, 12 were successfully genotyped. Five different EV genotypes were identified. All of them belonged to HEV-B species. The study showed that echovirus 6 genotype accounted for 42% of the sequenced cases. The HEV infections in the present study tended to show slight seasonal pattern with more cases occurring during spring and summer, yet still significant numbers were also reported in fall and winter seasons. Conclusion HEV was isolated from a significant number of children with sepsis-like illness and/or aseptic meningitis. In addition, the molecular method utilized for direct diagnosis and genotyping of HEV from CSF revealed that more than one HEV type circulated in the West Bank, Palestine during the study period. © 2017 Dumaidi, Al-Jawabreh. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Awad M.,Arab American University - Jenin
Turkish Journal of Electrical Engineering and Computer Sciences | Year: 2017

This paper provides an enhanced method focused on reducing the computational complexity of function approximation problems by dividing the input data vectors into small groups, which avoids the curse of dimensionality. The computational complexity and memory requirements of the approximated problem are higher when the input data dimensionality increases. A divide-and-conquer algorithm is used to distribute the input data of the complex problem to a divided radial basis function neural network (Div-RBFNN). Under this algorithm, the input data variables are typically distributed to different RBFNNs based on whether the number of the input data dimensions is odd or even. In this paper, each Div-RBFNN will be executed independently and the resulting outputs of all Div-RBFNNs will be grouped using a system of linear combination function. The parameters of each Div-RBFNN (centers, radii, and weights) will be optimized using an efficient learning algorithm, which depends on an enhanced clustering algorithm for function approximation, which clusters the centers of the RBFs. Compared to traditional RBFNNs, the proposed methodology reduces the number of executing parameters. It further outperforms traditional RBFNNs not only with respect to the execution time but also in terms of the number of executing parameters of the system, which produces better approximation error. © TÜBİTAK.

Zanoon T.F.A.,Arab American University - Jenin
2016 IEEE Asia-Pacific Conference on Applied Electromagnetics, APACE 2016 | Year: 2017

This paper presents a quasi-real time UWB image reconstruction method capable of detecting minute movements of victims trapped under rubble, including respiration movements. The approach is based on multi-static measurements of a C-shaped sensor array scanner arranged for a limited view imaging geometry where data is repetitively and continuously collected over small time intervals. Reconstruction is based on a multi-static multilateration method which correlates the movements captured by subtracting successive signals obtained from each transmitter-receiver pair into a point on the image, without the need of wall parameter estimations or priori information. Images processing requires 0.36 seconds on a standard desktop PC, offering nearly 3 frames/sec. Results based on several numerical experiments of varying complexity are presented and discussed. © 2016 IEEE.

Nebel M.,Ruhr University Bochum | Grutzke S.,Ruhr University Bochum | Diab N.,Arab American University - Jenin | Schulte A.,Suranaree University of Technology | Schuhmann W.,Ruhr University Bochum
Angewandte Chemie - International Edition | Year: 2013

The influence of the reaction rate at the SECM tip on the overall imaging result is often neglected during respiration studies performed by SECM. The effect of the driving force of the tip reaction is elucidated using a potential pulse profile implemented into a constant-distance mode. Time-dependent data acquisition allows visualization of the transition between a tip behaving as a passive observer and a tip actively inducing transmembrane diffusion of oxygen. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Qasrawi A.F.,Atilim University | Qasrawi A.F.,Arab American University - Jenin
Materials Science and Engineering B: Solid-State Materials for Advanced Technology | Year: 2013

In this work, the design and characterization of magnesium oxide based tunneling diodes which are produced on Al and InSe films as rectifying substrates are investigated. It was found that when Al thin films are used, the device exhibit tunneling diode behavior of sharp valley at 0.15 V and peak to valley current ratio (PVCR) of 11.4. In addition, the capacitance spectra of the Al/MgO/C device show a resonance peak of negative capacitance (NC) values at 44.7 MHz. The capacitance and resistance-voltage characteristics handled at an ac signal frequency of 100 MHz reflected a build in voltage (Vbi) of 1.29 V and a negative resistance (NR) effect above 2.05 V. This device quality factor (Q)-voltage response is ∼104. When the Al substrate is replaced by InSe thin film, the tunneling diode valley appeared at 1.1 V. In addition, the PVCR, NR range, NC resonance peak, Q and Vbi are found to be 135, 0.94-2.24 and 39.0 MHz, ∼105 and 1.34 V, respectively. Due to the wide differential negative resistance and capacitance voltage ranges and due to the response of the C/MgO/InSe/C device at 1.0 GHz, these devices appear to be suitable for applications as frequency mixers, amplifiers, and monostable-bistable circuit elements (MOBILE). © 2013 Elsevier B.V. All rights reserved.

Hajjawi O.S.,Arab American University - Jenin
European Journal of Scientific Research | Year: 2011

Mitochondrial succinate dehydrogenase (SDH) whose regulation and assembly requires additional factors that are beginning to be discovered. SDH that has been subject to a focused but significant renaissance consists of four unclearly encoded subunits. Mutations in the structural gene subunits (SDHA, B, C and D) of the complex itself cause a variety of human diseases. SDH-A pathogenic mutations have been reported to cause an encephalomyopathy in childhood, while mutations in the genes encoding the other three subunits have been associated only with tumour formation. It participates in the electron transport in the respiratory chain, and in succinate catabolism in the Krebs cycle. SDH is also called the electron transport chain complex II and it has been the least studied of the mitochondrial respiratory five complexes. It has seen renewed interest, because of its role in human disease. Following a brief description of SDH genes and subunits, we examine the properties and roles of SDH in the mitochondria. The mechanisms underlying the pathogenesis of SDH mutations are beginning to be understood. We stress the importance of SDH in a number of diseases and the need to better delineate the consequences of SDH deficiency in human. © EuroJournals Publishing, Inc. 2011.

Qabaha K.I.,Arab American University - Jenin
African journal of traditional, complementary, and alternative medicines : AJTCAM / African Networks on Ethnomedicines | Year: 2013

Extracts from five indigenous Palestinian medicinal plants including Rosmarinus officinalis, Pisidium guajava, Punica granatum peel, grape seeds and Teucrium polium were investigated for antimicrobial and free radical scavenging activities against eight microorganisms, using well diffusion method. The microorganisms included six bacterial isolates (i.e. Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginos, Klebsiella pneumonia, Bacillus subtilis and Micrococcus luteus) and two fungal isolates (i.e. Candida albicans and Aspergillus niger). A standard antioxidant assay was performed on the plant extracts to assess their capability in scavenging 2,2-diphenyl-1-picrylhydrazyl (DPPH). Of the five tested plant extract, only Rosmarinus offcinalis extract contained significant antimicrobial activity against all eight microbial isolates including Pseudomonas aeruginosa. Extracts from other four plants exhibited a variable antimicrobial activity against all microorganisms, except Pseudomonas aeruginosa. Significant antioxidant activity was detected in all plant extracts. However, extracts from Pisidium guajava leaves contained significantly higher antioxidant activity compared to the other extracts tested. The antimicrobial and scavenging activities detected in this in vitro study in extracts from the five Palestinian medicinal plants suggest that further study is needed to identify active compounds to target diseases caused by a wide-spectrum pathogens.

Hajjawi O.S.,Arab American University - Jenin
European Journal of Scientific Research | Year: 2012

Acetylcholineasterase (AChE) is present in sensory innervated tissues and it functions in the central and peripheral neuron system to terminate nerve signal transduction at the neuromuscular junction by rapid hydrolysis of the acetylcholine (ACh) receptor released into the cholinergic synaptic cleft. AChE is also found in human red blood cells (RBCs) (Brauer and Root, 1947), and it is one of the typical extrinsic membrane bound enzymes (Heller and Hanahan, 1972). Although the physiological functions of AChE in RBC remain obscure, changes in activity associated with pathologic conditions are found regularly only with AChE. Recent studies have disclosed much of the primary structure of AChE and the membrane anchor structure. However, the location of this enzyme at or near the cell surface gives it special significance in studies of cellular membranes and the activity alterations seen in several hemolytic disorders may be of importance in understanding certain basic disease process. The enzyme may be regarded as a model of AChE in the nervous system. AChE inhibition has been used as a peripheral surrogate biomarker for the activity of centrally acting AChE inhibitors (AChEIs) in the treatment of Alzheimer's disease (AD). AChE inhibition in RBC should reflect the central pharmacodynamic activity of the compound and the degree of inhibition should correlate to yielding maximum cognitive or global improvement in patients with AD. AChEI is also a useful clinical tool in dose optimization! © EuroJournals Publishing, Inc. 2012.

Khanfar H.K.,Arab American University - Jenin
IEEE Transactions on Electron Devices | Year: 2014

In this paper, an Ag/BN/Ni microwave tunneling sensor is designed. The device is characterized by means of current-voltage (I-V) characteristics and differential resistance frequency and power dependence in the frequency range 1.0-3.0 GHz. Analysis of the I-V curve revealed a field-assisted thermionic emission (tunneling) of charged particles through a barrier height of 0.81 eV and a depletion width of 0.297 μm. The device exhibits a negative differential resistance effect at low forward biasing voltage (0.2 V). When the device was subjected to an ac signal of power of 0.0 (Bluetooth) to 20.0 wireless local area network (WLAN) dBm in the studied frequency range, it showed an excellent performance as a rejection-band filter that passes all signals below 2.07 and above 2.20 GHz. The output signal quality factor at 1.0 GHz is ~50. The device performance was compared with the results obtained by a MATLAB-based computation program that simulates and reproduces the experimental data using the rejection-band filter equation. The result of the simulator and experiment indicated a high responsivity of the device. The device is promising to be used in microwave transmitters of base stations, in short range high data rate communication systems and in WLANs. © 1963-2012 IEEE.

Dumaidi K.,Arab American University - Jenin | Al-Jawabreh A.,Arab American University - Jenin
Journal of medical virology | Year: 2014

Occult hepatitis B infection is the case with undetectable HBsAg, but positive for HBV DNA in liver tissue and/or serum. Occult hepatitis B infection among hemodialysis patients in Palestine has been understudied. In this study, 148 hemodialysis patients from 2 northern districts in Palestine, Jenin (89) and Tulkarem (59), were investigated for occult hepatitis B, HBV, HCV infections with related risk factors. ELISA and PCR were used for the detection of anti-HBc and viral DNA, respectively. The overall prevalence of occult hepatitis B infection among the study group was 12.5% (16/128). Occult hepatitis B infection is more prevalent among males with most cases (15/16) from Jenin District. About one-third (42/132) of the hemodialysis patients were anti-HBc positive. Approximately 27% of the hemodialysis patients were infected with HCV. Around 20% (28/140) were positive for HBV DNA, but only 8.2% (12/146) of the hemodialysis patients were positive for HBsAg. The comparison between hemodialysis patients with occult hepatitis B infection and those without occult hepatitis B infection for selected risk factors and parameters as liver Enzyme, age, sex, HCV infection, blood transfusion, kidney transplant, anti-HBc, and vaccination showed no statistical significance between both categories. Duration of hemodialysis significantly affected the rate of HCV infection. HCV is significantly higher in hemodialysis patients with both Diabetes mellitus and hypertension. The prevalence of occult hepatitis B infection among hemodialysis patients is high; requiring stringent control policies. HBsAg assay is insufficient test for accurate diagnosis of HBV infection among hemodialysis patients. © 2014 Wiley Periodicals, Inc.

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