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https://www.readbyqxmd.com/read/28426219/solution-processed-cesium-hexabromopalladate-iv-cs2pdbr6-for-optoelectronic-applications
#1
Nobuya Sakai, Amir Abbas Haghighirad, Marina R Filip, Pabitra K Nayak, Simantini Nayak, Alexandra Ramadan, Zhiping Wang, Feliciano Giustino, Henry J Snaith
Lead halide perovskites are materials with excellent optoelectronic and photovoltaic properties. However, some hurdles remain prior to commercialization of these materials, such as chemical stability, phase stability, sensitivity to moisture, and potential issues due to the toxicity of lead. Here, we report a new type of lead-free perovskite related compound, Cs2PdBr6. This compound is solution processable, exhibits long-lived photoluminescence, and an optical band gap of 1.6 eV. Density functional theory calculations indicate that this compound has dispersive electronic bands, with electron and hole effective masses of 0...
April 20, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28419353/the-effect-of-ramadan-fast-on-the-incidence-of-renal-colic-emergency-department-visits
#2
Iftach Sagy, Vladimir Zeldetz, Daniel Halperin, Muhammad Abu Tailakh, Victor Novack
Background: Renal colic (RC) is one of the most common reasons for emergency department (ED) visits. Although RC is associated with high ambient temperature and with physiological changes that occur during fast, the literature onbetween Ramadan and RC incidence is scarce. Methods: We obtained health data of patients visited the emergency department (ED) of a large tertiary center during the years 2004-2015, with a primary diagnosis of RC. To estimate the association of RC and Ramadan, we utilized bi-weekly RC incidence Poisson models adjusted for ambient temperature and seasonality in two ethnic groups residing in the region: Muslims and Jews...
April 13, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28416269/dna-protein-crosslink-proteolysis-repair
#3
REVIEW
Bruno Vaz, Marta Popovic, Kristijan Ramadan
Proteins that are covalently bound to DNA constitute a specific type of DNA lesion known as DNA-protein crosslinks (DPCs). DPCs represent physical obstacles to the progression of DNA replication. If not repaired, DPCs cause stalling of DNA replication forks that consequently leads to DNA double-strand breaks, the most cytotoxic DNA lesion. Although DPCs are common DNA lesions, the mechanism of DPC repair was unclear until now. Recent work unveiled that DPC repair is orchestrated by proteolysis performed by two distinct metalloproteases, SPARTAN in metazoans and Wss1 in yeast...
April 14, 2017: Trends in Biochemical Sciences
https://www.readbyqxmd.com/read/28400112/endothelial-specific-deletion-of-autophagy-related-7-atg7-attenuates-arterial-thrombosis-in-mice
#4
Jonathan W Yau, Krishna K Singh, Yan Hou, Xi Lei, Azza Ramadan, Adrian Quan, Hwee Teoh, Wolfgang M Kuebler, Mohammed Al-Omran, Bobby Yanagawa, Heyu Ni, Subodh Verma
BACKGROUND: Thrombosis persists as a leading cause of morbidity and mortality. Given that endothelial cells (ECs) play a central role in regulating thrombosis, understanding the molecular endothelial cues that regulate susceptibility or resistance to thrombosis have important translational implications. Accordingly, we evaluated the role of endothelial autophagy in the development of thrombosis. METHODS: We generated mice in which the essential autophagy-related 7 (ATG7) gene was conditionally deleted from ECs (EC-ATG7(-/-) mice)...
March 16, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28397942/flash-glucose-monitoring-system-may-benefit-children-and-adolescents-with-type-1-diabetes-during-fasting-at-ramadan
#5
Abdulmoein E Al-Agha, Shahd E Kafi, Abdullah M Zain Aldeen, Raghdah H Khadwardi
To assess the benefit of using the flash glucose monitoring system (FGMS) in children and adolescents with type 1 diabetes mellitus (T1DM) during Ramadan fasting. Methods: A prospective pilot study of 51 participants visited the pediatric diabetes clinic at King Abdulaziz University Hospital, Jeddah, Kingdom of Saudi Arabia from between June until and July 2016. The FreeStyle® Libre™ FGMS (Abbott Diabetes Care, Alameda, CA, USA) was used. Hypoglycemia was defined as glucose values of less than 70 mg/dL, while hyperglycemia as glucose values of more than 150 mg/dL for all participants based on our institute's protocol...
April 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28390723/manipulation-of-reproductive-seasonality-using-melatonin-implantation-in-anglo-nubian-does-treated-with-controlled-internal-drug-release-and-equine-chorionic-gonadotropin-during-the-nonbreeding-season
#6
M Y El-Mokadem, A N M Nour El-Din, T A Ramadan, A M A Rashad, T A Taha, M A Samak
The objective of this study was to compare the efficiency of hormonal treatments on ovarian activity and reproductive performance in anestrous Anglo-Nubian does during the nonbreeding season (February to May). A total of 48 multiparous does were divided into 2 groups (24 lactating does and 24 dry does). In each group, animals were allocated randomly into 2 equal subgroups (12 does each). In the first subgroup, does received a single 18-mg melatonin implant for 42 d followed by a controlled internal drug release (CIDR) device for 19 d in conjunction with 500 IU of equine chorionic gonadotropin (eCG) i...
April 5, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28389805/a-multicentric-prospective-study-evaluating-the-safety-and-efficacy-of-kii-%C3%A2-fios-%C3%A2-first-entry-trocar-in-laparoscopic-bariatric-surgery
#7
Marcelo Loureiro, Mohamad Ramadan, El Mehdi Skalli, Pierre Blanc, Jean Michel Fabre, David Nocca
INTRODUCTION: Laparoscopic surgery has evolved as an important field of surgery due to its clear benefits when compared to open laparotomy surgery. However, specific complications of laparoscopic surgery have been reported, of which the majority are complications associated with first entry to the abdominal cavity. The emergence of bariatric surgery, combined with the special considerations of the abdominal wall and cavity of obese patients, leads to seeking new modalities of access to the abdominal cavity in this specific population...
April 7, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28385606/vaccination-and-blood-sampling-acceptability-during-ramadan-fasting-month-a-cross-sectional-study-in-conakry-guinea
#8
Nathan Peiffer-Smadja, Ramatou Ouedraogo, Eric D'Ortenzio, Papa Ndiaga Cissé, Zahra Zeggani, Abdoul Habib Beavogui, Sylvain Landry Faye, Frédéric Le Marcis, Yazdan Yazdanpanah, Vinh-Kim Nguyen
INTRODUCTION: There are few data on the acceptability of vaccination or blood sampling during Ramadan fasting month in Muslim countries. This could impact vaccination campaigns, clinical trials or healthcare during Ramadan. METHODS: Using a semi-structured questionnaire, we conducted a cross-sectional study on 201 practising Muslims and 10 religious leaders in Conakry, Guinea in the wake of the recent epidemic Ebola epidemic. Acceptability of vaccination and blood sampling during Ramadan were investigated as well as reasons for refusal...
April 3, 2017: Vaccine
https://www.readbyqxmd.com/read/28384165/ramadan-fasting-in-saudi-arabia-is-associated-with-altered-expression-of-clock-dusp-and-il-1alpha-genes-as-well-as-changes-in-cardiometabolic-risk-factors
#9
Ghada M A Ajabnoor, Suhad Bahijri, Noor Ahmad Shaik, Anwar Borai, Aliaa A Alamoudi, Jumana Y Al-Aama, George P Chrousos
BACKGROUND: During the fasting month of Ramadan, practicing Saudis develop severe disturbances in sleeping and feeding patterns. Concomitantly, cortisol circadian rhythm is abolished, diurnal cortisol levels are elevated and circulating levels of several adipokines are altered favouring insulin resistance. AIM: To examine changes in the expression of CLOCK and glucocorticoid-controlled genes, such as DUSP1 and IL-1α in Saudi adults before and during Ramadan, and to investigate possible associations with selected cardiometabolic risk factors...
2017: PloS One
https://www.readbyqxmd.com/read/28382121/psychoacoustic-characteristics-of-tinnitus-versus-temporal-resolution-in-subjects-with-normal-hearing-sensitivity
#10
Ola Abdallah Ibraheem, Mohammad Ramadan Hassaan
Introduction Cochlear or neural mechanisms of tinnitus generation may affect auditory temporal resolution in tinnitus patients even with normal audiometry. Thus, studying the correlation between tinnitus characteristics and auditory temporal resolution in subjects with tinnitus may help in proper modification of tinnitus management strategy. Objective This study aims to examine the relationship between the psychoacoustic measures of tinnitus and the auditory temporal resolution in subjects with normal audiometry...
April 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/28381307/reasons-for-non-recruitment-of-eligible-patients-to-a-randomised-controlled-trial-of-secondary-prevention-after-intracerebral-haemorrhage-observational-study
#11
Amy E Maxwell, Mary Joan MacLeod, Anu Joyson, Sharon Johnson, Hawraman Ramadan, Ruth Bellfield, Anthony Byrne, Caroline McGhee, Anthony Rudd, Fiona Price, Evangelos Vasileiadis, Melinda Holden, Jonathan Hewitt, Michael Carpenter, Ann Needle, Stacey Valentine, Farzana Patel, Frances Harrington, Paul Mudd, Hedley Emsley, Bindu Gregary, Ingrid Kane, Keith Muir, Divya Tiwari, Peter Owusu-Agyei, Natalie Temple, Lakshmanan Sekaran, Suzanne Ragab, Timothy England, Amanda Hedstrom, Phil Jones, Sarah Jones, Mandy Doherty, Mark O McCarron, David L Cohen, Sharon Tysoe, Rustam Al-Shahi Salman
BACKGROUND: Recruitment to randomised prevention trials is challenging, not least for intracerebral haemorrhage (ICH) associated with antithrombotic drug use. We investigated reasons for not recruiting apparently eligible patients at hospital sites that keep screening logs in the ongoing REstart or STop Antithrombotics Randomised Trial (RESTART), which seeks to determine whether to start antiplatelet drugs after ICH. METHOD: By the end of May 2015, 158 participants had been recruited at 108 active sites in RESTART...
April 5, 2017: Trials
https://www.readbyqxmd.com/read/28360117/are-babies-conceived-during-ramadan-born-smaller-and-sooner-than-babies-conceived-at-other-times-of-the-year-a-born-in-bradford-cohort-study
#12
Amanda Daley, Miranda Pallan, Sue Clifford, Kate Jolly, Maria Bryant, Peymane Adab, K K Cheng, Andrea Roalfe
BACKGROUND: It is not known whether infants exposed to intermittent maternal fasting at conception are born smaller or have a higher risk of premature birth than those who are not. Doctors are therefore unsure about what advice to give women about the safety of Ramadan fasting. This cohort study aimed to investigate these questions in Muslim mother-infant pairs to inform prenatal care. METHODS: Routinely collected data accessed from maternity records were the source for information...
March 30, 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/28359833/first-report-in-africa-of-two-clinical-isolates-of-proteus-mirabilis-carrying-salmonella-genomic-island-sgi1-variants-sgi1-pmabb-and-sgi1-w
#13
Ahmed M Soliman, Ashraf M Ahmed, Toshi Shimamoto, Ramadan A El-Domany, Hirofumi Nariya, Tadashi Shimamoto
Two Proteus mirabilis strains, designated PmTAN59 and PmKAF126, were isolated from two different Egyptian cities in 2014 and 2015, respectively. PmTAN59 was isolated from a sputum swab from a pneumonia patient in Tanta University Teaching Hospital. PmKAF126 was isolated from a patient with a diabetic foot infection in a hospital in the city of Kafr El-Sheikh. The two isolates were identified with bacterial small ribosomal RNA (16S rRNA) gene amplification and sequencing and tested for antimicrobial sensitivity with a Kirby-Bauer disk diffusion assay...
March 28, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28359370/ramadan-model-of-intermittent-fasting-for-28%C3%A2-d-had-no-major-effect-on-body-composition-glucose-metabolism-or-cognitive-functions-in-healthy-lean-men
#14
Nina M Harder-Lauridsen, Astrid Rosenberg, Fabiana B Benatti, Julie A Damm, Carsten Thomsen, Erik L Mortensen, Bente K Pedersen, Rikke Krogh-Madsen
OBJECTIVES: There has been a parallel increase in the incidence of obesity and diabetes as well as the number of daily meals. However, evidence is lacking regarding the role of intermittent fasting. The aim of this study was to determine the effects of a Ramadan model of intermittent fasting (RIF; 14 h of daytime abstinence from food and drinking) for 28 d on body composition, glucose metabolism, and cognitive function. METHODS: Ten healthy, lean men were included in a nonrandomized, crossover, intervention study...
May 2017: Nutrition
https://www.readbyqxmd.com/read/28357654/human-adipocyte-differentiation-and-characterization-in-a-perfusion-based-cell-culture-device
#15
Yunxiao Liu, Patthara Kongsuphol, Sajay Bhuvanendran Nair Gourikutty, Qasem Ramadan
Adipocytes have gained significant attention recently, because they are not only functioning as energy storage but also as endocrine cells. Adipocytes secret various signaling molecules, including adiponectin, MCP-1, and IL-6, termed collectively as "adipokines". Adipokines regulate glucose metabolism, thereby play an important role in obesity, diabetes type 2, and other metabolic disorders. Conventionally, to study the secretory function, adipocytes are cultured in vitro in static conditions. However, static culturing condition falls short of mimicking the interstitial fluid flows in living systems...
September 2017: Biomedical Microdevices
https://www.readbyqxmd.com/read/28355070/actinomycete-metabolome-induction-suppression-with-n-acetylglucosamine
#16
Yousef Dashti, Tanja Grkovic, Usama Ramadan Abdelmohsen, Ute Hentschel, Ronald J Quinn
The metabolite profiles of three sponge-derived actinomycetes, namely, Micromonospora sp. RV43, Rhodococcus sp. RV157, and Actinokineospora sp. EG49 were investigated after elicitation with N-acetyl-d-glucosamine. (1)H NMR fingerprint methodology was utilized to study the differences in the metabolic profiles of the bacterial extracts before and after elicitation. Our study found that the addition of N-acetyl-d-glucosamine modified the secondary metabolite profiles of the three investigated actinomycete isolates...
March 29, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28351762/does-ulipristal-acetate-affect-surgical-experience-at-laparoscopic-myomectomy
#17
Lea Luketic, Lindsay Shirreff, Sari Kives, Grace Liu, Ramadan El Sugy, Nicholas Leyland, Meir Jonathon Solnik, Ally Murji
STUDY OBJECTIVE: To compare surgical experience of laparoscopic/robotic myomectomy in premenopausal patients pretreated with ulipristal acetate (UPA) with women not hormonally pretreated. DESIGN: Retrospective, multicenter cohort study of laparoscopic/robotic myomectomy procedure videos (Canadian Task Force Classification III). SETTING: Multiple university-affiliated tertiary care hospitals. PATIENTS: Fifty-five premenopausal women who underwent laparoscopic/robotic myomectomy for intramural fibroids and were either pretreated with 3-months of UPA or had no hormonal pretreatment...
March 25, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28347497/diabetes-and-ramadan-practical-guidelines
#18
REVIEW
Mohamed Hassanein, Monira Al-Arouj, Osama Hamdy, Wan Mohamad Wan Bebakar, Abdul Jabbar, Abdulrazzaq Al-Madani, Wasim Hanif, Nader Lessan, Abdul Basit, Khaled Tayeb, Mak Omar, Khalifa Abdallah, Abdulaziz Al Twaim, Mehmet Akif Buyukbese, Adel A El-Sayed, Abdullah Ben-Nakhi
Ramadan fasting is one of the five pillars of Islam and is compulsory for all healthy Muslims from puberty onwards. Exemptions exist for people with serious medical conditions, including many with diabetes, but a large number will participate, often against medical advice. Ensuring the optimal care of these patients during Ramadan is crucial. The International Diabetes Federation (IDF) and Diabetes and Ramadan (DAR) International Alliance have come together to deliver comprehensive guidelines on this subject...
March 12, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28332241/toll-like-receptor-2-arg753gln-and-arg677trp-polymorphisms-and-susceptibility-to-pulmonary-and-peritoneal-tuberculosis
#19
Mohammed A Saleh, Mahmoud M Ramadan, Eman O Arram
Recent evidence suggests that toll-like receptor-2 (TLR2) is important for host defense against Mycobacterium tuberculosis (MTB). TLR2 polymorphisms have shown significant impact on susceptibility or resistance to tuberculosis (TB). This case-control study aims to determine the influence of TLR2 (Arg753Gln and Arg677Trp) polymorphisms on the susceptibility to develop pulmonary or peritoneal TB. Genotyping of TLR2 (Arg753Gln and Arg677Trp) polymorphisms was carried out on 52 patients with pulmonary TB, 44 patients with peritoneal TB, and 50 healthy controls using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP)...
March 23, 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28330661/association-between-high-sensitivity-cardiac-troponin-levels-and-myocardial-ischemia-during-mental-stress-and-conventional-stress
#20
Muhammad Hammadah, Ibhar Al Mheid, Kobina Wilmot, Ronnie Ramadan, Ayman Alkhoder, Malik Obideen, Naser Abdelhadi, Shuyang Fang, Ijeoma Ibeanu, Pratik Pimple, Heval Mohamed Kelli, Amit J Shah, Brad Pearce, Yan Sun, Ernest V Garcia, Michael Kutner, Qi Long, Laura Ward, J Douglas Bremner, Fabio Esteves, Paolo Raggi, David Sheps, Viola Vaccarino, Arshed A Quyyumi
OBJECTIVES: This study sought to investigate whether patients with mental stress-induced myocardial ischemia will have high resting and post-mental stress high-sensitivity cardiac troponin I (hs-cTnI). BACKGROUND: Hs-cTnI is a marker of myocardial necrosis, and its elevated levels are associated with adverse outcomes. Hs-cTnI levels may increase with exercise in patients with coronary artery disease. Mental stress-induced myocardial ischemia is also linked to adverse outcomes...
March 10, 2017: JACC. Cardiovascular Imaging
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