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Sinziana Mirela Popescu, Anders J Barlow, Sami Ramadan, Srinivas Ganti, Biswajit Ghosh, John Hedley
We report the first investigation into the potential of electroless nickel deposition to form ohmic contacts on single layer graphene. Aiming to minimize the contact resistance on graphene, a statistical model was used to optimize metal purity, surface roughness and coverage of the deposited film by controlling the nickel bath parameters (pH and temperature). The metalized graphene layers were patterned using photolithography and contacts deposited at temperatures as low as 60°C. The contact resistance was 215 ± 23 Ω over a contact area of 200 μm x 200 μm, which improved upon rapid annealing to 107 ± 9 Ω...
October 21, 2016: ACS Applied Materials & Interfaces
Nicolas Debry, Cédric Delhaye, Alexandre Azmoun, Ramzi Ramadan, Sahbi Fradi, Philippe Brenot, Arnaud Sudre, Mouhamed Djahoum Moussa, Didier Tchetche, Said Ghostine, Darren Mylotte, Thomas Modine
OBJECTIVES: The study sought to assess the safety and efficacy of a minimally invasive strategy (MIS) (local anesthesia and conscious sedation) compared to general anesthesia (GA) among the largest published cohort of patients undergoing transcarotid transcatheter aortic valve replacement (TAVR). BACKGROUND: Transcarotid TAVR has been shown to be feasible and safe. There is, however, no information pertaining to the mode anesthesia in these procedures. METHODS: Between 2009 and 2014, 174 patients underwent transcarotid TAVR at 2 French centers...
October 24, 2016: JACC. Cardiovascular Interventions
Ibrahim Ali Kabbash, Ehab A Abo Ali, Mostafa Mahmoud Elgendy, Mostafa Mohamed Abdrabo, Helal Mohamed Salem, Mohammed Ramadan Gouda, Yousef Saleh Elbasiony, Nader Elboshy, Mohammed Hamed
HIV/AIDS-related stigma and discrimination among health care professionals is one of the most important factors of this disease expansion. This study aimed to assess the stigmatized attitude among health care providers toward people living with HIV (PLHIV) at Tanta University Hospitals. The study is a cross-sectional survey. Data was gathered from randomly selected 310 health care workers at Tanta University Hospital using a structured questionnaire. Among studied participants, only 24.0 % had previous contact with HIV patients during work and 21...
October 18, 2016: Environmental Science and Pollution Research International
Tareq Abu-Izneid, Aneela Maalik, Saud Bawazeer, Ajmal Khan, Abdur Rauf, Taibi Ben Hadda, Haroon Khan, Mohamed Fawzy Ramadan, Imran Khan, Mohammad S Mubarak, Ghias Uddin, Alia Bahadar, Shujaat Ali Khan
BACKGROUND: Pistacia integerrima has many medicinal uses in therapeutic as well as folk medicine. P. integerrima has been used for the treatment of different ailments such as blood purifier, anti-inflammatory, and as remedy for gastrointestinal disorders such as vomiting and diarrhea, expectorant, cough, asthma and fever. OBJECTIVE: The main objective of this research work was to evaluate the effect of pistagremic acid (PA) isolated from the galls of Pistacia integerima in acute toxicity and gastrointestinal (GIT) motility tests...
October 7, 2016: Medicinal Chemistry
Kareem Mohammed Reda, Ibrahim Ramadan El-Torky, Mohamed Nabeel El-Gendy
AIM: The aim of this study is to compare the retention force of three different types of overdenture attachment systems used in implant-retained mandibular complete overdentures. MATERIALS AND METHODS: Twenty-one similar acrylic resin blocks were prepared and divided into three study groups: Group A (snap attachment) - 10 specimens, Group B (locator attachment) - 1 specimen, and Group C (syncone attachment) - 10 specimens. A single rectangular heat cure acrylic resin block with two implant analogs 22 mm apart was used with all specimens...
October 2016: Journal of Indian Prosthodontic Society
Asmaa Abd El-Aleem Abd El-Latif, Amany Ahmed Sayed, Amel Mahmoud Soliman, Sohair Ramadan Fahmy
OBJECTIVE: The present investigation explored the therapeutic potential effect of Sepia officinalis body tissue (SOBT) and Sepia officinalis polysaccharide (SOP) extracts, in animal model of sepsis [induced by cecal ligation and puncture (CLP)]. MATERIALS AND METHODS: Experimental animals were divided into 4 groups, Group 1: Sham control rats. Group 2: Septic rats. Group 3: Septic rats treated with methanolic extract of Sepia officinalis body tissue (SOBT) (500mg/kg body weight) for 2days...
October 6, 2016: Injury
Hanaa H Ahmed, Wafaa Gh Shousha, Hatem A El-Mezayen, Sayed A El-Toumy, Alaa H Sayed, Aesha R Ramadan
Hepatocellular carcinoma (HCC) is one of the deadliest primary cancers, with a 5-year survival rate of 10% or less. This study was undertaken to elucidate the underlying biochemical and molecular mechanisms in favor of N-nitrosodiethylamine-induced hepatocellular carcinoma. Furthermore, the aim of this work was extended to explore the efficacy of Ginkgo biloba leaves extract in deterioration of HCC in rats. In the current study, HCC group experienced significant downregulation of ING-3 gene expression and upregulation of Foxp-1 gene expression in liver...
October 14, 2016: Acta Biochimica Polonica
Mustafa Kiralan, Mohamed Fawzy Ramadan
The goal of this study was to investigate the effect of heating and microwave treatment on the levels of volatile oxidation products and the stability of safflower (Carthamus tinctorius L.), sesame (Sesamum indicum) and canola (Brassica napus L.) cold-pressed oils. Cold-pressed oils were subjected to conventional heating (oven test) using air-forced oven at 60°C and microwave heating for 2 and 4 min. The changes in conjugated diene (CD) and conjugated triene (CT) values were monitored during treatments. As expected, heating generates an increase in CD and CT values...
2016: Journal of Oleo Science
Jena Meyer, Mary Pomeroy, Davika Reid, Julie Zuniga
There are approximately 3.3 million people of the Muslim faith living in the United States. This article explores how Muslim women observe their religious beliefs during pregnancy and discusses implications for nursing care of pregnant Muslim women during Ramadan. Although pregnant Muslim women can be exempt from fasting, many still choose to fast during Ramadan. Factors that influence a woman's decision to fast include gravity and parity, maternal education, maternal age, body mass index, comprehension of Islamic Law, and gestational trimester...
October 2016: Nursing for Women's Health
Habiba Aurang Zeb, Ishaq Nasib Khan, Iqbal Munir, Wafaa Saadeldin Ramadan, Mian Afaq Ahmad, Deema Hussein, Mohammad Amjad Kamal, Saleh Al Karim
Injuries to the spinal cord often have devastating physiological impacts due to the organ's vital role in neuro-impulse communications between muscles and the brain. Spinal Cord Injuries (SCIs) have recently been estimated to affect up to 80,000 individuals per year worldwide, with most occurring following a traumatic event. Unfortunately, effective treatments standardised globally for patients with SCIs have not yet been established. For many years, inadequate understanding of the complexities of the Central and Peripheral Nervous Systems and Neurogenesis has limited progression towards effective cures...
October 4, 2016: CNS & Neurological Disorders Drug Targets
Mohamed Ali Abdelkader, Wafaa Ramadan, Amir A Gabr, Ahmed Kamel, Rasha W Abdelrahman
PURPOSE: To determine the sonographic criteria for diagnosis of fetal intracranial hemorrhage (ICH), using both gray scale ultrasound, and tomographic ultrasound imaging (TUI). MATERIALS AND METHODS: A prospective multicenter study, recruiting patients at risk of fetal ICH over four years. All cases with fetal ICH had serial ultrasound assessments, including TUI, fetal and postnatal MRIs. RESULTS: 21 patients were diagnosed with fetal ICH, 2 cases had extracerebral (subdural) hemorrhage, 16 cases had intracerebral (intraventricular) hemorrhage and 3 cases had combined hemorrhage...
October 9, 2016: Journal of Maternal-fetal & Neonatal Medicine
Ahmed Bahieldin, Ahmed Atef, Sherif Edris, Nour O Gadalla, Hani M Ali, Sabah M Hassan, Magdy A Al-Kordy, Ahmed M Ramadan, Rania M Makki, Abdulrahman S M Al-Hajar, Fotouh M El-Domyati
BACKGROUND: The ultimate goal of this work was to detect the role of transcription factors (TFs) concordantly expressed with genes related to programmed cell death (PCD) during PCD and salt stress. This work was based on the hypothesis that TFs and their driven genes likely co-express under different stimuli. The conserved superfamily ethylene responsive factor (AP2/ERF) draw attention of the present study as it participates in the response to biotic and abiotic stimuli as well as to program cell death (PCD)...
October 6, 2016: BMC Plant Biology
Cavin Epie Bekolo, Joris Adriaan Frank van Loenhout, Jose Manuel Rodriguez-Llanes, John Rumunu, Otim Patrick Ramadan, Debarati Guha-Sapir
OBJECTIVE: To determine whether pre-emptive oral cholera vaccination reduces disease severity and mortality in people who develop cholera disease during an outbreak. METHODS: The study involved a retrospective analysis of demographic and clinical data from 41 cholera treatment facilities in South Sudan on patients who developed cholera disease between 23 April and 20 July 2014 during a large outbreak, a few months after a pre-emptive oral vaccination campaign. Patients who developed severe dehydration were regarded as having a severe cholera infection...
September 1, 2016: Bulletin of the World Health Organization
Amani Ramadan Moussa, Wessam Mohamed Dehis, Asmaa Nabil Elboraey, Hisham Samir ElGabry
AIM: This study aimed to verify the influence of oral environment and denture cleansers on the surface roughness and hardness of two different denture base materials. METHODS: A total of sixteen identical removable disc specimens (RDS) were processed. Eight RDS were made from heat-cured acrylic resin (AR) and the other eight were fabricated from thermoplastic injection moulded resin (TR). Surface roughness and hardness of DRS were measured using ultrasonic profilometry and Universal testing machine respectively...
September 15, 2016: Open Access Macedonian Journal of Medical Sciences
Ashraf Ramadan
IMPLICATIONS Assessment of Volatile Organic Compounds (VOCs) concentrations around a power plant in Kuwait during the peak season showed halogenated compounds to be the dominant group. The calculated indoor concentrations were lower than that reported in a residential area about 12 km away.
October 4, 2016: Journal of the Air & Waste Management Association
Eyitayo O Adenipekun, Charlene R Jackson, Hazem Ramadan, Bamidele A Iwalokun, Kolawole S Oyedeji, Jonathan G Frye, John B Barrett, Lari M Hiott, Tiffanie A Woodley, Afolabi Oluwadun
INTRODUCTION: The emergence of multidrug resistance (MDR; resistance to ≥ 2 more antimicrobials) in Escherichia coli is of concern due to complications encountered in treatment. METHODOLOGY: In this study, prevalence, antimicrobial resistance, and genetic characteristics of MDR community isolates of E. coli from Lagos, Nigeria were determined. Urine and stool samples were obtained from outpatients attending Lagos State hospitals and from animal handlers in abattoirs, poultries, and open markets, from December 2012 to July 2013...
September 30, 2016: Journal of Infection in Developing Countries
Ahmed A K Hassoun, Monira Al-Arouj, Mohamed Ibrahim
OBJECTIVE: To assess the effect of vildagliptin relative to sulfonylurea (SU) on hypoglycemic events, in Muslim patients from the Middle East with type 2 diabetes who fast during Ramadan. The primary endpoint was the proportion of patients with at least one hypoglycemic event (HE) during the fasting period. Secondary endpoints included change in weight, HbA1c levels, treatment adherence and overall safety. DESIGN AND METHODS: This multicenter, prospective, observational cohort study enrolled Muslim adult T2DM patients from Middle Eastern countries who received treatment with vildagliptin or SU as add on to metformin or monotherapy...
October 14, 2016: Current Medical Research and Opinion
Nurul Nadia H W Luntungan, M Justin Byron, Melbourne F Hovell, Laura J Rosen, Annisa Anggraeni, Vaughan W Rees
Secondhand smoke exposure (SHS) causes a disproportionate health burden for children, yet existing smoke-free laws are often poorly enforced. We monitored air quality while observing children and adult nonsmokers present in public venues during Ramadan, a period of Muslim religious observance marked by family and social gatherings, in Jakarta, Indonesia. A repeated-measures design was used to assess indoor air quality during and after Ramadan in 43 restaurants and in five smoke-free control venues. Fine particulate matter of 2...
2016: International Journal of Environmental Research and Public Health
Abdulaziz Farooq, Christopher P Herrera, Yacine Zerguini, Fuad Almudahka, Karim Chamari
OBJECTIVES: Muslims observe fasting during the month of Ramadan by abstaining from eating and drinking from dawn to sunset. Available literature shows that although several studies have been conducted on athletes to determine the effects of Ramadan fasting in terms of physical fitness and performance, little data are available regarding the knowledge, beliefs and attitudes of athletes (particularly footballers) towards Ramadan fasting during high-level competitions. This study explored the knowledge, beliefs and attitudes towards Ramadan fasting among football players participating in the London 2012 Olympics football tournament...
2016: BMJ Open
Wijdan H Ramadan, Ghada M El Khoury, Mary E Deeb, Marwan Sheikh-Taha
This study assessed the profile of benzodiazepine (BDZ) users in Lebanon. Adult patients visiting the pharmacies with prescriptions of BDZs were included in the study. Seven hundred and eighty-six current BDZ users were included, of whom 54.2% were females. Twenty-three percent reported being alcohol consumers and were mostly males. The two most commonly used BDZs were alprazolam (34.6%) and bromazepam (33.6%). The indication for use was mainly anxiety (44.4%), insomnia (22.5%), and depression (15.9%). The prescribing physicians were primarily psychiatrists (43...
2016: Neuropsychiatric Disease and Treatment
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