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https://www.readbyqxmd.com/read/28925342/a-study-of-selected-ethnic-affiliations-in-the-development-of-post-traumatic-stress-disorder-and-other-psychopathology-after-a-terrorist-bombing-in-nairobi-kenya
#1
Carol S North, Tatiana Dvorkina, Samuel Thielman, Betty Pfefferbaum, Pushpa Narayanan, David E Pollio
OBJECTIVES: Despite the frequency of disasters in Africa, almost nothing is known about ethnic affiliations in relation to psychopathology after such incidents. This study examined the mental health outcomes of members of 7 major ethnic groups exposed to the 1998 terrorist bombing of the US Embassy in Nairobi, Kenya. METHODS: Approximately 8 to 10 months after the disaster, 229 civilian employees, 99 locally engaged staff workers of the US State Department and the US Agency for International Development, and 64 workers of the Kenyan Red Cross Society (total N=392) were assessed with the Diagnostic Interview Schedule for the Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition)...
September 19, 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/28925109/red-fluorescence-imaging-for-dental-plaque-detection-and-quantification-pilot-study
#2
Zhao Liu, Juliana Gomez, Soniya Khan, Debbie Peru, Roger Ellwood
The red fluorescence of dental plaque originating from porphyrins in oral bacteria may allow visualization, detection, and scoring of plaque without disclosing agents. Two studies were conducted. The first included 24 healthy participants who abstained from oral hygiene for 24 h. Dental plaque was collected from tooth surfaces, and a 10% solution was prepared. These were scanned by a molecular spectrometer to identify the optimum excitation and emission wavelengths of plaque for developing a red fluorescence imaging system...
September 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28923921/color-naming-across-languages-reflects-color-use
#3
Edward Gibson, Richard Futrell, Julian Jara-Ettinger, Kyle Mahowald, Leon Bergen, Sivalogeswaran Ratnasingam, Mitchell Gibson, Steven T Piantadosi, Bevil R Conway
What determines how languages categorize colors? We analyzed results of the World Color Survey (WCS) of 110 languages to show that despite gross differences across languages, communication of chromatic chips is always better for warm colors (yellows/reds) than cool colors (blues/greens). We present an analysis of color statistics in a large databank of natural images curated by human observers for salient objects and show that objects tend to have warm rather than cool colors. These results suggest that the cross-linguistic similarity in color-naming efficiency reflects colors of universal usefulness and provide an account of a principle (color use) that governs how color categories come about...
September 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28921569/murine-red-blood-cells-from-genetically-distinct-donors-cross-regulate-when-stored-together
#4
Ariel Hay, Heather L Howie, Hayley R Waterman, Karen de Wolski, James C Zimring
BACKGROUND: Donor variability of red blood cell (RBC) storage has been observed in both humans and animal models. We utilized a strain of mice with RBCs known to store well (B6) and a strain known to store poorly (FVB) to test the hypothesis that RBCs affected the storage of other RBCs. STUDY DESIGN AND METHODS: Five strains of mice were used: 1) transgenic B6 mice expressing green fluorescent protein (GFP) in their RBCs (GFP.B6), 2) wild-type B6 mice, 3) wild-type FVB mice, 4) F1 crosses between GFP...
September 16, 2017: Transfusion
https://www.readbyqxmd.com/read/28917244/dietary-patterns-and-sleep-parameters-in-a-cohort-of-community-dwelling-australian-men
#5
Yingting Cao, Anne W Taylor, Gary Wittert, Robert Adams, Zumin Shi
BACKGROUND AND OBJECTIVES: Emerging evidence suggests potential effects of nutrients/foods on sleep parameters. However, no studies have addressed the complex interactions among nutrients/foods and relate them to sleep outcomes. To investigate the associations between dietary patterns and sleep parameters (polysomnography (PSG) measured and self-reported sleep symptoms) in a large sample of community dwelling men in South Australia. METHODS AND STUDY DESIGN: Cross-sectional analysis was conducted of participants in the Men Androgen Inflammation Lifestyle Environment and Stress cohort enrolled in a sleep sub-study (n=784, age 35-80 years)...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28917024/decreased-percentage-of-peripheral-na%C3%A3-ve-t-cells-is-independently-associated-with-ischemic-stroke-in-patients-on-hemodialysis
#6
Rongyi Chen, Jiachang Hu, Fangfang Xiang, Xiao Tan, Bo Shen, Zhonghua Liu, Wenlv Lv, Xiaoqiang Ding, Xuesen Cao, Jianzhou Zou
PURPOSE: Cerebrovascular complications, including ischemic stroke, account for poor outcomes in patients on hemodialysis. T cell responses may be involved in the pathogenesis of ischemic stroke. We aimed to evaluate the role of naïve T cells in development of ischemic stroke in patients on hemodialysis. METHODS: In this cross-sectional study, 156 patients on hemodialysis in our blood purification center were included. These patients were divided into the ischemic stroke (IS) group (61 cases) and non-ischemic stroke (non-IS) group (95 cases) according to a new diagnosis after initiation of hemodialysis...
September 15, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28916547/automated-measurement-of-microvascular-function-reveals-dysfunction-in-systemic-sclerosis-a-cross-sectional-study
#7
Daniel R Machin, Phillip E Gates, Hans Vink, Tracy M Frech, Anthony J Donato
OBJECTIVE: The aim of our study was to determine whether an automated capture and analysis system could detect differences in structure and function of sublingual microvessels in patients with systemic sclerosis (SSc) compared to healthy controls. METHODS: Intravital microscopy of the sublingual microcirculation was automatically captured and analyzed in 40 patients with SSc and 10 age-matched healthy controls. RESULTS: Total and perfused microvascular density were lower in patients with SSc compared with controls (total microvascular density: 2471 ± 134 μm/mm(2) vs 3067 ± 197 μm/mm(2), p = 0...
September 15, 2017: Journal of Rheumatology
https://www.readbyqxmd.com/read/28913852/testing-support-for-the-northern-and-southern-dispersal-routes-out-of-africa-an-analysis-of-levantine-and-southern-arabian-populations
#8
Deven N Vyas, Ali Al-Meeri, Connie J Mulligan
OBJECTIVES: The Northern Dispersal Route (NDR) and Southern Dispersal Route (SDR) are hypothesized to have been used by modern humans in the dispersal out of Africa. The NDR follows the Nile into Northeast Africa and crosses the Red Sea into the Levant. The SDR emerges from the Horn of Africa and crosses the Bab el-Mandeb into southern Arabia. In this study, we analyze genetic data from populations living along the NDR and SDR to test support for each dispersal route. MATERIALS AND METHODS: We genotyped 90 Yemeni samples on the Affymetrix Human Origins array...
September 15, 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28913655/quantitative-trait-loci-for-resistance-to-stripe-rust-of-wheat-revealed-using-global-field-nurseries-and-opportunities-for-stacking-resistance-genes
#9
Firdissa E Bokore, Richard D Cuthbert, Ron E Knox, Harpinder S Randhawa, Colin W Hiebert, Ron M DePauw, Asheesh K Singh, Arti Singh, Andrew G Sharpe, Amidou N'Diaye, Curtis J Pozniak, Curt McCartney, Yuefeng Ruan, Samia Berraies, Brad Meyer, Catherine Munro, Andy Hay, Karim Ammar, Julio Huerta-Espino, Sridhar Bhavani
Quantitative trait loci controlling stripe rust resistance were identified in adapted Canadian spring wheat cultivars providing opportunity for breeders to stack loci using marker-assisted breeding. Stripe rust or yellow rust, caused by Puccinia striiformis Westend. f. sp. tritici Erikss., is a devastating disease of common wheat (Triticum aestivum L.) in many regions of the world. The objectives of this research were to identify and map quantitative trait loci (QTL) associated with stripe rust resistance in adapted Canadian spring wheat cultivars that are effective globally, and investigate opportunities for stacking resistance...
September 14, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/28913561/conformational-rearrangement-of-1-2-d-gg-intrastrand-cis-diammineplatinum-crosslinked-dna-is-driven-by-counter-ion-penetration-within-the-minor-groove-of-the-modified-site
#10
Tsvetan G Gantchev, Peicho St Petkov, Darel J Hunting
The major structural aberrations of DNA induced by a cis-diammineplatinum (II) 1,2-d(GG) intrastrand cross-link (CPT) have been known for decades. To gain deeper insights into the structural dynamics of the sequence-dependent DNA distortions adjacent to the CPT adduct, we employed molecular modeling and molecular dynamics (MD) simulations. The structural dynamics of native (N-DNA) and cisPt 1,2-d(GG) crosslinked (CPT-DNA) in the form of symmetric 36 nt d(G2T15G*G*T15G2)●C2A15CCA15C2) oligonucleotide duplexes is compared...
September 14, 2017: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/28912922/obstetric-outcomes-of-twin-pregnancies-in-japanese-women-aged-40-and-older
#11
Shunji Suzuki
BACKGROUND: The aim of this study was to compare the obstetric outcomes of twin pregnancies between Japanese women aged ≥ 40 years and their younger counterparts aged 25 - 29. METHODS: This was a retrospective study of twin pregnancies managed at Japanese Red Cross Katsushika Maternity Hospital between 2002 and 2016. Women aged 40 and older at delivery (n = 117) were compared with women aged 25 - 29 at delivery (n = 536). RESULTS: Although the women ≥ 40 years old were more likely to have increased risks of HELLP (hemolytic, elevated liver enzymes and low platelet) syndrome and very low birth weight neonates, there were no measurable differences in obstetric outcomes such as hypertensive disorders, premature delivery and neonatal asphyxia between the two groups...
October 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28906065/colloidal-synthesis-and-photophysics-of-m3sb2i9-m-cs-and-rb-nanocrystals-lead-free-perovskites
#12
Jaya Pal, Suman Manna, Anirban Mondal, Shyamashis Das, K V Adarsh, Angshuman Nag
Here we report the colloidal synthesis of Cs3Sb2I9 and Rb3Sb2I9 perovskite nanocrystals, and explore their prospect for optoelectronic applications. Different morphologies such as nanoplatelets and nanorods of Cs3Sb2I9, and spherical Rb3Sb2I9 nanocrystals were prepared. All these samples show band-edge emissions in the yellow-red region. Exciton many-body interactions studied by femtosecond transient absorption spectroscopy of Cs3Sb2I9 nanorods reveals characteristic second-derivative-type spectral features, suggesting red-shifted excitons by as much as 79 meV...
September 14, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28904874/red-cell-distribution-width-predicts-incident-dipstick-albuminuria-in-korean-adults-without-chronic-kidney-disease
#13
Young Youl Hyun, Hyang Kim, Kyu-Beck Lee
BACKGROUND: Red cell distribution width (RDW) is an emerging marker of inflammation and a predictor of high cardiovascular morbidity and mortality as well as all-cause mortality. A previous cross-sectional study showed that RDW was associated with microalbuminuria, an indicator of target organ damage. However, the longitudinal association of RDW and development of albuminuria is not known. METHODS: We analyzed 83,040 participants without chronic kidney disease (CKD) at baseline who underwent two health check-ups at a 4-year interval during 2005 to 2014...
September 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28904678/-epidemiological-profile-of-hemoglobinopathies-a-cross-sectional-and-descriptive-index-case-study
#14
Fatima Dahmani, Souad Benkirane, Jaafar Kouzih, Aziz Woumki, Hassan Mamad, Azlarab Masrar
Hemoglobinopathies are congenital disorders resultimg from hemoglobin abnormalities. Major forms are often severe, their management is difficult and associated with a great psychosocial impact on patients and their families. They are classified as rare diseases and are still insufficiently known by health professionals. This lack of knowledge is at the origin of diagnostic errors, delay in their management and therefore high morbidity and mortality rate for these patients. In 2008, the World Health Organization (WHO) has published data on hemoglobinopathies epidemiology: more than 330...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28899483/preparation-activity-and-structure-of-cross-linked-enzyme-aggregates-cleas-with-nanoparticle
#15
Shuguang Wang, Debing Zheng, Lingyu Yin, Fei Wang
Cross-linked enzyme aggregates (CLEAs) have emerged as an interesting biocatalyst design for enzyme immobilization. However, the commercialization of CLEAs is often hampered by their shortcomings, such as poor-controlled particle size, low activity and sticky characteristic. In order to overcome these drawbacks, five nanoparticles (NPs) (nano-TiO2, nano-MgO, nano-Ni, nano-Cu and nano-Fe3O4) were used to improve CLEAs activity and structure in this study. Results showed that moderate dosage of nano-TiO2 addition increased CLEAs activity, and the most increment was 15...
December 2017: Enzyme and Microbial Technology
https://www.readbyqxmd.com/read/28895676/maria-sk%C3%A5-odowska-curie-her-life-and-work-the-150-anniversary-of-her-birthday
#16
Małgorzata M. Dobrzyńska
Maria Skłodowska was born on November 7, 1867 in Warsaw (Poland). Her parents were teachers. Maria’s mother has died in 1878 of tuberculosis. In 1893 and 1894, respectively, Maria was awarded master’s degrees in physics and in mathematics from the Sorbonne University. In 1895 Maria married Pierre Curie. In 1897 their daughter Irene was born. Maria investigated rays emitted by uranium salts. She hypothesized that the radiation come from atom and called this phenomenon “radioactivity”. In 1898, Maria and Pierre discovered new radioactive elements polonium and radium...
2017: Roczniki Państwowego Zakładu Higieny
https://www.readbyqxmd.com/read/28894701/relationship-between-diet-and-non-alcoholic-fatty-liver-disease-a-review-article
#17
REVIEW
Parvin Mirmiran, Zeynab Amirhamidi, Hanieh-Sadat Ejtahed, Zahra Bahadoran, Fereidoun Azizi
BACKGROUND: Diet plays a key role in the development of non-alcoholic fatty liver disease (NAFLD). The aim of this study was to review systematically observational studies available regarding the relationship between food intakes and NAFLD. METHODS: We searched Scopus, PubMed, and Cochrane Library databases to identify English observational studies on food groups, dietary patterns, and NAFLD. Cross-sectional, case-control and cohort studies were selected and then duplication, topic, type of study, study population, variables examined and quality of data reporting of the articles were evaluated...
August 2017: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/28892659/a-new-insight-on-the-risky-behavior-of-motorists-at-railway-level-crossings-an-observational-field-study
#18
Ci Liang, Mohamed Ghazel, Olivier Cazier, El-Miloudi El-Koursi
Accidents at railway level crossings (LXs) give rise to serious material and human damage. Particularly, collisions between trains and motorized vehicles are the most critical accidents occurring at LXs. It is worth noticing that violations committed by vehicle drivers are the primary cause of such accidents. The present study is a tentative to acquire a better understanding of risky behavior of vehicle drivers while crossing LXs during the closure cycle. Namely, risk analysis based on field measurement conducted at four automated LXs with two half barriers is performed...
September 8, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28891077/a-comparison-of-the-effects-of-cyp3a5-polymorphism-on-tacrolimus-blood-concentrations-measured-by-4-immunoassay-methods-in-renal-transplant-patients
#19
Yumiko Akamine, Hideaki Kagaya, Tadashi Ohkubo, Shigeru Satoh, Masatomo Miura
WHAT IS KNOWN AND OBJECTIVE: The anti-tacrolimus antibodies used in commercial immunoassay methods have cross-reactivity with tacrolimus metabolites. The aim of this study was to investigate differences in the effects of CYP3A5 polymorphism on tacrolimus concentrations obtained by four immunoassay methods in renal transplant patients. METHODS: Samples (n = 508) were evaluated using four immunoassays (chemiluminescence enzyme immunoassay [CLIA], affinity column-mediated immunoassay [ACMIA], electrochemiluminescence immunoassay [ECLIA] and latex agglutination turbidimetric immunoassay [LTIA])...
September 10, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28891069/use-of-supplemental-anti-hbc-testing-of-donors-showing-non-discriminating-reactive-results-in-multiplex-nucleic-acid-testing
#20
J W Kang, J H Seo, K W Youn, Y I Seo, K Huh, G R Choi, H K Min, D J Oh, H J Jo, J N Kim
BACKGROUND AND OBJECTIVES: The Korean Red Cross began nucleic acid amplification testing (NAT) for HIV and HCV in February 2005, and added HBV NAT beginning in June 2012. The current NAT system utilizes a multiplex assay for simultaneous detection of HBV DNA, HCV RNA and HIV-1 RNA. For samples that are reactive in the multiplex assay, we do specific tests for each virus. However, there have been cases of non-discriminated reactive (NDR) results which appear to be the result of non-specific reactions or cross-contamination, although some cases are considered to arise from the presence of low levels of HBV DNA due to occult hepatitis B infection...
September 10, 2017: Vox Sanguinis
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