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https://www.readbyqxmd.com/read/28226220/water-oxidation-mechanisms-of-metal-oxide-catalysts-by-vibrational-spectroscopy-of-transient-intermediates
#1
Miao Zhang, Heinz Frei
Water oxidation is an essential reaction of an artificial photosystem for solar fuel generation because it provides electrons needed to reduce carbon dioxide or protons to a fuel. Earth-abundant metal oxides are among the most attractive catalytic materials for this reaction because of their robustness and scalability, but their efficiency poses a challenge. Knowledge of catalytic surface intermediates gained by vibrational spectroscopy under reaction conditions plays a key role in uncovering kinetic bottlenecks and provides a basis for catalyst design improvements...
February 22, 2017: Annual Review of Physical Chemistry
https://www.readbyqxmd.com/read/28222792/seroprevalence-of-hepatitis-b-hepatitis-c-human-immunodeficiency-virus-treponema-pallidum-and-co-infections-among-blood-donors-in-kyrgyzstan-a-retrospective-analysis-2013-2015
#2
Bakyt B Karabaev, Nurgul J Beisheeva, Aiganysh B Satybaldieva, Aikul D Ismailova, Frank Pessler, Manas K Akmatov
BACKGROUND: Post-Soviet Kyrgyzstan has experienced a major surge in blood-borne infections, but data from adequately powered, up-to-date studies are lacking. We thus examined a) the seroprevalences of hepatitis B virus surface antigen (HBsAg), HIV-1 p24 antigen and antibodies against hepatitis C virus (anti-HCV), human immunodeficiency viruses (anti-HIV-1/2, HIV-1 group O), and Treponema pallidum among blood donors in Kyrgyzstan and assess their distribution according to sex, age, and provinces of residence; b) trends in the respective seroprevalences; and c) co-infection rates among the pathogens studied...
February 21, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28222790/the-bear-in-eurasian-plant-names-motivations-and-models
#3
REVIEW
Valeria Kolosova, Ingvar Svanberg, Raivo Kalle, Lisa Strecker, Ayşe Mine Gençler Özkan, Andrea Pieroni, Kevin Cianfaglione, Zsolt Molnár, Nora Papp, Łukasz Łuczaj, Dessislava Dimitrova, Daiva Šeškauskaitė, Jonathan Roper, Avni Hajdari, Renata Sõukand
Ethnolinguistic studies are important for understanding an ethnic group's ideas on the world, expressed in its language. Comparing corresponding aspects of such knowledge might help clarify problems of origin for certain concepts and words, e.g. whether they form common heritage, have an independent origin, are borrowings, or calques. The current study was conducted on the material in Slavonic, Baltic, Germanic, Romance, Finno-Ugrian, Turkic and Albanian languages. The bear was chosen as being a large, dangerous animal, important in traditional culture, whose name is widely reflected in folk plant names...
February 21, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28222540/top-altmetric-scores-in-the-parkinson-s-disease-literature
#4
Rui Araújo, Aaron A Sorensen, Stacy Konkiel, Bastiaan R Bloem
A new class of social web-based metrics for scholarly publications (altmetrics) has surfaced as a complement to traditional citation-based metrics. Our aim was to study and characterize those recent papers in the field of Parkinson's disease which had received the highest Altmetric Attention Scores and to compare this attention measure to the traditional metrics. The top 20 papers in our analysis covered a variety of topics, mainly new disease mechanisms, treatment options and risk factors for the development of PD...
2017: Journal of Parkinson's Disease
https://www.readbyqxmd.com/read/28221837/environmental-occurrence-and-antibiotic-susceptibility-profile-of-listeria-monocytogenes-at-a-slaughterhouse-raw-processing-plant-in-romania
#5
Claudia Sala, Adriana Morar, Emil Tîrziu, Ileana Nichita, Mirela Imre, Kálmán Imre
This survey was conducted to investigate the occurrence and antimicrobial susceptibility of Listeria monocytogenes isolates in the environment of a pig slaughterhouse raw processing plant complex in western Romania. A total of 97 environmental samples from food contact (n = 60) and nonfood contact (n = 37) surfaces were examined with standard methods. The susceptibility of the isolates to 17 antimicrobial agents was determined with the VITEK 2 automated system. Overall, 25 (25.8%) samples were positive for L...
October 2016: Journal of Food Protection
https://www.readbyqxmd.com/read/28220384/human-exposure-to-perfluoroalkyl-substances-near-a-fluorochemical-industrial-park-in-china
#6
Jia Bao, Li Liu, Xin Wang, Yi-He Jin, Guang-Hui Dong
Severe perfluoroalkyl substance (PFAS) contaminations have been observed in both surface water and groundwater in the vicinity of Fuxin, China, over the past years, attributing to the fast-growing fluorochemical industries locally. However, little is known about the overall daily intake of PFAS contaminations by Fuxin residents recently. In the present study, ten target PFAS analytes in the blood serum samples collected from 100 non-occupationally exposed healthy residents in Fuxin, with an average age of 47...
February 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28218751/scleral-lenses-for-severe-chronic-gvhd-related-keratoconjunctivitis-sicca-a-retrospective-study-by-the-sfgm-tc
#7
L Magro, J Gauthier, M Richet, M Robin, S Nguyen, F Suarez, J-H Dalle, T Fagot, A Huynh, M-T Rubio, R Oumadely, S Vigouroux, N Milpied, A Delcampe, I Yakoub-Agha
Chronic GvHD-related keratoconjunctivitis sicca (cGvHD-related KCS) can significantly alter the quality of life of patients after allogeneic hematopoietic stem cell transplantation. The aim of this work was to assess the efficacy and tolerability of scleral lenses to treat severe cGvHD-related KCS. In this retrospective, multicenter study, we included 60 consecutive patients diagnosed with cGvHD-related KCS and fitted with scleral lenses. Patients were evaluated at baseline and at 2 months with the following tests: the Ocular Surface Disease Index (OSDI) to assess quality of life, the Oxford score to grade corneal damage and the logarithm of minimal angle of resolution (Log MAR) scale to determine visual acuity...
February 20, 2017: Bone Marrow Transplantation
https://www.readbyqxmd.com/read/28217931/how-do-adars-bind-rna-new-protein-rna-structures-illuminate-substrate-recognition-by-the-rna-editing-adars
#8
Justin M Thomas, Peter A Beal
Deamination of adenosine in RNA to form inosine has wide ranging consequences on RNA function including amino acid substitution to give proteins not encoded in the genome. What determines which adenosines in an mRNA are subject to this modification reaction? The answer lies in an understanding of the mechanism and substrate recognition properties of adenosine deaminases that act on RNA (ADARs). Our recent publication of X-ray crystal structures of the human ADAR2 deaminase domain bound to RNA editing substrates shed considerable light on how the catalytic domains of these enzymes bind RNA and promote adenosine deamination...
February 20, 2017: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
https://www.readbyqxmd.com/read/28217109/e-coli-group-1-capsular-polysaccharide-exportation-nanomachinary-as-a-plausible-antivirulence-target-in-the-perspective-of-emerging-antimicrobial-resistance
#9
REVIEW
Shivangi Sachdeva, Raghuvamsi V Palur, Karpagam U Sudhakar, Thenmalarchelvi Rathinavelan
Bacteria evolving resistance against the action of multiple drugs and its ability to disseminate the multidrug resistance trait(s) across various strains of the same bacteria or different bacterial species impose serious threat to public health. Evolution of such multidrug resistance is due to the fact that, most of the antibiotics target bacterial survival mechanisms which exert selective pressure on the bacteria and aids them to escape from the action of antibiotics. Nonetheless, targeting bacterial virulence strategies such as bacterial surface associated polysaccharides biosynthesis and their surface accumulation mechanisms may be an attractive strategy, as they impose less selective pressure on the bacteria...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28216007/microbiological-quality-of-pastrami-and-associated-surfaces-at-the-point-of-sale-in-kayseri-turkey
#10
Y Yildirim, N Ertas Onmaz, Z Gonulalan, S Al, A Yildirim, F Karadal, H Hizlisoy, Ş Pamuk
OBJECTIVE: The aim of this study is to trace the possible relations between the hygienic status of slicing utensils and the microbiological quality of pastrami. STUDY DESIGN: A total of 75 pastrami retail markets were visited in Kayseri, Turkey, where the pastrami (a ready-to-eat meat product) is commonly produced and consumed. Sliced pastrami, the cutting board and knife surface swabs were collected from each pastrami retail point to trace possible sources of contamination...
February 16, 2017: Public Health
https://www.readbyqxmd.com/read/28214290/evaluate-the-efficacy-and-safety-of-anti-epileptic-medications-for-partial-seizures-of-epilepsy-a-network-meta-analysis
#11
Teng Zhao, Xuemin Feng, Jingyao Liu, Jiguo Gao, Chunkui Zhou
Epilepsy is a brain and neurological disorder with high prevalence. It was reported that more than 70% of epileptic seizures were controlled by anti-epileptic medications, whereas the lack of evidence with respect to head-to-head comparisons motivated researchers to seek alternative approaches that are able to provide deep insights into the profile of anti-epileptic medications. In this study, we performed a network meta-analysis (NMA) to evaluate the efficacy and safety of anti-epileptic medications for partial seizures of epilepsy...
February 18, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28210860/a-heat-vulnerability-index-to-improve-urban-public-health-management-in-san-juan-puerto-rico
#12
Pablo Méndez-Lázaro, Frank E Muller-Karger, Daniel Otis, Matthew J McCarthy, Ernesto Rodríguez
Increased frequency and length of high heat episodes are leading to more cardiovascular issues and asthmatic responses among the population of San Juan, the capital of the island of Puerto Rico, USA. An urban heat island effect, which leads to foci of higher temperatures in some urban areas, can raise heat-related mortality. The objective of this research is to map the risk of high temperature in particular locations by creating heat maps of the city of San Juan. The heat vulnerability index (HVI) maps were developed using images collected by satellite-based remote sensing combined with census data...
February 17, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28208231/fast-left-ventricle-tracking-using-localized-anatomical-affine-optical-flow
#13
Sandro Queirós, João L Vilaça, Pedro Morais, Jaime C Fonseca, Jan D'hooge, Daniel Barbosa
In daily clinical cardiology practice, left ventricle (LV) global and regional function assessment is crucial for disease diagnosis, therapy selection and patient follow-up. Currently, this is still a time-consuming task, spending valuable human resources. In this work, a novel fast methodology for automatic LV tracking is proposed based on localized anatomically constrained affine optical flow. This novel method can be combined to previously proposed segmentation frameworks or manually delineated surfaces at an initial frame to obtain fully delineated datasets and, thus, assess both global and regional myocardial function...
February 16, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28205391/influence-of-iodine-in-excess-on-seminiferous-tubular-structure-and-epididymal-sperm-character-in-male-rats
#14
Amar K Chandra, Arijit Chakraborty
Excess iodine induced public health problems are now emerging in many iodine sufficient regions for indiscriminate intake of iodine through various iodized products. It has been reported that excess iodine can disrupt overall male reproductive physiology by generating oxidative stress in the testis. However, information on the possible effect of iodine in excess on spermatozoa found less. In the present investigation flow cytometric techniques and scanning electron microscopy (SEM) have been used to study the spermatozoal functional as well as structural status under the influence of excess iodine; generation of ROS in the spermatozoa as evident by DCFDA, altered acrosomal integrity as observed by fluorescence lectin staining method and depolarized mitochondrial membrane potential (ΔΨm ) noticed by JC-1 staining...
February 16, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28199772/a-retrospective-study-of-hepatitis-b-mother-to-child-transmission-prevention-and-post-vaccination-serological-test-results-of-infants-at-risk-of-perinatal-transmission-in-two-counties-of-middle-china
#15
Guo Yonghao, Dong Pumei, Yang Jianhui, Xu Jin, Zhang Yanyang, Wang Zhe
Approximately 240 million people have chronic hepatitis B worldwide, with mother-to-child-transmission (MTCT) accounting for most cases. Therefore, Henan Province, China launched a public health program to prevent MTCT. To determine the efficacy of this health program, a survey was carried out in Huixian and Xinan counties, which are located in northern and western Henan. All infants born in these two counties between January 1, 2013 and March 31, 2014 to a mother positive for hepatitis B surface antigen (HBsAg), were surveyed; in total, there were 438 mother-infant pairs...
February 15, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28195826/wrong-site-surgery-in-california-2007-2014
#16
Omid Moshtaghi, Yarah M Haidar, Ronald Sahyouni, Afsheen Moshtaghi, Yaser Ghavami, Harrison W Lin, Hamid R Djalilian
Objective The implementation of a universal surgical safety protocol in 2004 was intended to minimize the prevalence of wrong-site surgery (WSS). However, complete elimination of WSS in the operating room continues to be a challenge. The purpose of this study is to evaluate the prevalence and etiology of WSS in the state of California. Study Design A retrospective study of all WSS reports investigated by the California Department of Public Health between 2007 and 2014. Methods Prevalence of overall and specialty-specific WSS, causative factors, and recommendations on further improvement are discussed...
February 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28195575/a-land-data-assimilation-system-for-sub-saharan-africa-food-and-water-security-applications
#17
Amy McNally, Kristi Arsenault, Sujay Kumar, Shraddhanand Shukla, Pete Peterson, Shugong Wang, Chris Funk, Christa D Peters-Lidard, James P Verdin
Seasonal agricultural drought monitoring systems, which rely on satellite remote sensing and land surface models (LSMs), are important for disaster risk reduction and famine early warning. These systems require the best available weather inputs, as well as a long-term historical record to contextualize current observations. This article introduces the Famine Early Warning Systems Network (FEWS NET) Land Data Assimilation System (FLDAS), a custom instance of the NASA Land Information System (LIS) framework. The FLDAS is routinely used to produce multi-model and multi-forcing estimates of hydro-climate states and fluxes over semi-arid, food insecure regions of Africa...
February 14, 2017: Scientific Data
https://www.readbyqxmd.com/read/28192275/first-trimester-medical-abortion-practices-in-canada-national-survey
#18
Edith R Guilbert, Althea S Hayden, Heidi E Jones, Katharine O'Connell White, E Steven Lichtenberg, Maureen Paul, Wendy V Norman
OBJECTIVE: To understand the current availability and practice of first-trimester medical abortion (MA) in Canada. DESIGN: Using public sources and professional networks, abortion facilities across Canada were identified for a cross-sectional survey on medical and surgical abortion. English and French surveys were distributed by surface or electronic mail between July and November 2013. SETTING: Canada. PARTICIPANTS: A total of 94 abortion facilities were identified...
April 2016: Canadian Family Physician Médecin de Famille Canadien
https://www.readbyqxmd.com/read/28192130/ielvis-an-open-source-matlab-toolbox-for-localizing-and-visualizing-human-intracranial-electrode-data
#19
David M Groppe, Stephan Bickel, Andrew R Dykstra, Xiuyuan Wang, Pierre Mégevand, Manuel R Mercier, Fred A Lado, Ashesh D Mehta, Christopher J Honey
BACKGROUND: Intracranial electrical recordings (iEEG) and brain stimulation (iEBS) are invaluable human neuroscience methodologies. However, the value of such data is often unrealized as many laboratories lack tools for localizing electrodes relative to anatomy. To remedy this, we have developed a MATLAB toolbox for intracranial electrode localization and visualization, iELVis. NEW METHOD: iELVis uses existing tools (BioImage Suite, FSL, and FreeSurfer) for preimplant magnetic resonance imaging (MRI) segmentation, neuroimaging coregistration, and manual identification of electrodes in postimplant neuroimaging...
February 9, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28190838/determination-of-aluminum-in-edible-jellyfish-using-chrome-azurol-s-with-spot-test-on-filter-paper
#20
Dai Cheng, Xinyu Zhang, Xiang Li, Lihua Hou, Chunling Wang
Aluminum (Al) has been well known as an environmental factor that may affect several enzymes and other biomolecules related to Alzheimer's disease. The increasing use of Al in the preparation and storage of food currently represents the main form of Al exposure for the general public. The present study was aimed to develop a household procedure for the rapid test determination of Al in edible jellyfish. The method was developed based on the reaction of Chrome Azurol S with Al in acidic medium, forming a colored compound on the surface of filter paper...
2017: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
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