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J Kyle Bohannon, Krisztina Janosko, Michael R Holbrook, Jason Barr, Daniela Pusl, Laura Bollinger, Linda Coe, Lisa E Hensley, Peter B Jahrling, Jiro Wada, Jens H Kuhn, Matthew G Lackemeyer
Aerosol or inhalational studies of high-consequence pathogens have recently been increasing in number due to the perceived threat of intentional aerosol releases or unexpected natural aerosol transmission. Specific laboratories designed to perform these experiments require tremendous engineering controls to provide a safe and secure working environment and constant systems maintenance to sustain functionality. Class III biosafety cabinets, also referred to as gloveboxes, are gas-tight enclosures with non-opening windows...
October 3, 2016: Journal of Visualized Experiments: JoVE
Matthieu Teci, Michael Tilley, Michael A McGuire, Michael G Organ
The conversion of commercially available anilines into biaryl and biarylacetylene products was realized by using a telescoped, three-reactor flow diazotization/iododediazotization/cross-coupling process. The segmented flow stream created by off-gassing during the Sandmeyer sequence was restored to a continuous column of reaction solution by using a specially designed continuous-flow unit controlled by custom software created in-house. The resultant aryl iodide was then combined with a stream of cross-coupling solution that fed into the final reactor...
October 21, 2016: Chemistry: a European Journal
Andrew Paul Gray, Faisca Richer, Sam Harper
OBJECTIVES: Following the onset of intensive colonial intervention and rapid social change in the lives of Inuit people, youth in Nunavik have experienced high rates of mental health problems and suicide. Inuit people describe a broad range of contextual influences on mental wellness based on lived experience, but most epidemiological studies have focused on individual risk factors and pathologies. This study aimed to assess the influence of multiple determinants of mental wellness among Inuit youth in Nunavik, including culturally meaningful activities, housing and community social characteristics...
October 20, 2016: Canadian Journal of Public Health. Revue Canadienne de Santé Publique
James C Blankenship, Wayne A Powell, Dawn R Gray, Peter L Duffy
Interventional cardiology has finally completed, after 26 years of advocacy, a professional hat trick: independent board certification, membership as a unique specialty in the American Medical Association House of Delegates (AMA HOD), and recognition by the Centers for Medicaid and Medicare Services (CMS) as a separate medical specialty. This article points out how these distinctions for interventional cardiology and its professional society, the Society for Cardiovascular Angiography and Interventions (SCAI), have led to clear and definite benefits for interventional cardiologists and their patients...
October 19, 2016: Catheterization and Cardiovascular Interventions
William S Currie, Sarah Kiger, Joan I Nassauer, Meghan Hutchins, Lauren L Marshall, Daniel G Brown, Rick L Riolo, Derek T Robinson, Stephanie K Hart
Exurban residential land (one housing unit per 0.2-16.2 ha) is growing in importance as a human-dominated land use. Carbon storage in the soils and vegetation of exurban land is poorly known, as are the effects on C storage of choices made by developers and residents. We studied C storage in exurban yards in southeastern Michigan, USA, across a range of parcel sizes and different types of neighborhoods. We divided each residential parcel into ecological zones (EZ) characterized by vegetation, soil, and human behavior such as mowing, irrigation, and raking...
July 2016: Ecological Applications: a Publication of the Ecological Society of America
Grant J Aaron, Nicholas Strutt, Nathaniel Amoh Boateng, Ernest Guevarra, Katja Siling, Alison Norris, Shibani Ghosh, Mercy Nyamikeh, Antoine Attiogbe, Richard Burns, Esi Foriwa, Yasuhiko Toride, Satoshi Kitamura, Kwaku Tano-Debrah, Daniel Sarpong, Mark Myatt
The work reported here assesses the coverage achieved by two sales-based approaches to distributing a complementary food supplement (KOKO Plus™) to infants and young children in Ghana. Delivery Model 1 was conducted in the Northern Region of Ghana and used a mixture of health extension workers (delivering behavior change communications and demand creation activities at primary healthcare centers and in the community) and petty traders recruited from among beneficiaries of a local microfinance initiative (responsible for the sale of the complementary food supplement at market stalls and house to house)...
2016: PloS One
Hongye Zhang, Qing Wang, Yu Guo, Dongfeng Li, Buqiang Zhang, Yuehong Dong, Xiuxian Huang, Yongjuan Liu, JInguo Zhao, Weiwei Li, Hans R Brunner, Lisheng Liu
OBJECTIVE: To observe the long-term (3 years) consumption of enriched potassium salt (KCL/NaCL = 1:1 by weight) on all causes mortality and target organ damage in Chinese living in nursing houses. DESIGN AND METHOD: The study was designed as a single blind prospective intervention. Participants were living in 22 nursing houses in northern China. The nursing houses were randomized into 2 groups: normal salt (control group) and enriched potassium salt (intervention group)...
September 2016: Journal of Hypertension
Karyn Colman
It has been long established that not only the species but also the strain and supplier of rodents used in preclinical safety studies can have a significant impact on the outcome of studies due to variability in their genetic background and thus spontaneous pathologic findings. In addition, local husbandry, housing, and other environmental conditions may have effects on the development and expression of comorbidities, particularly in longer-term or chronic studies. More recently, similar effects related to the source, including genetic and environmental variability, have been recognized in cynomolgus macaques (Macaca fascicularis)...
October 17, 2016: Toxicologic Pathology
Mónica Díaz-Bao, Patricia Regal, Rocío Barreiro, Cristina A Fente, Alberto Cepeda
A fast and facile method for the fabrication of magnetic molecularly imprinted stir-bars (MMIP-SB) has been developed, using a combination of imprinting technology and magnetite. Magnetite was prepared in the laboratory from the raw and embedded into molecularly imprinted polymers through a process of bulk polymerization. This novel design was applied to the analysis of aflatoxins, one of the most important groups of mycotoxins in terms of occurrence and toxicity. In the context of food safety, molecularly imprinted polymers are a promising tool to achieve selective and accessible methods of extraction for different residues and contaminants...
October 11, 2016: Journal of Chromatography. A
Lan Wang, Xiaojing Zhao, Wangyue Xu, Jian Tang, Xiji Jiang
BACKGROUND: The density of particulate matter (PM) in mega-cities in China such as Beijing and Shanghai has exceeded basic standards for health in recent years. Human exposure to PMs has been identified as traceable and controllable factor among all complicated risk factors for lung cancer. While the improvement of air quality needs tremendous efforts and time, certain revision of PM's density might happen associated with the adjustment of built environment. It is also proved that urban built environment is directly relevant to respiratory disease...
September 2016: Journal of Thoracic Disease
S Combes, K Massip, O Martin, H Furbeyre, L Cauquil, G Pascal, O Bouchez, N Le Floc'h, O Zemb, I P Oswald, T Gidenne
Limiting the post-weaning intake of the young rabbit is known to improve its resistance to digestive disorders, whereas a degradation of its housing hygiene is assumed to have a negative impact on its health. This study aims at providing insights into the mechanism of digestive health preservation regarding both host (growth and immune response) and its symbiotic digestive microbiota. A 2×2 factorial design from weaning (day 28) to day 64 was set up: ad libitum intake or restricted intake at 70% of ad libitum, and high v...
October 17, 2016: Animal: An International Journal of Animal Bioscience
Preeti Ps, Sanjaya Kumar Sahoo, Dhiraj Biswas, Aparajita Dasgupta
OBJECTIVES: A clean India is the responsibility of all Indians. One of the objectives of the Swachh Bharat Abhiyan (Clean India Initiative) is to bring about behavioural changes regarding healthy sanitation practices. While large-scale programs in India have increased latrine coverage, they have to some extent failed to bring behavioural changes ensuring optimal latrine use, including the safe disposal of child faeces, which is a significant source of exposure to faecal pathogens. Hence, this study was done to explore child faeces disposal practices in rural West Bengal and to elicit the determinants of unhygienic faeces disposal...
September 2016: Journal of Preventive Medicine and Public Health, Yebang Ŭihakhoe Chi
Petra Martini, Alessandra Boschi, Gianfranco Cicoria, Licia Uccelli, Micòl Pasquali, Adriano Duatti, Gaia Pupillo, Mario Marengo, Massimo Loriggiola, Juan Esposito
The design and fabrication of a fully-automated, remotely controlled module for the extraction and purification of technetium-99m (Tc-99m), produced by proton bombardment of enriched Mo-100 molybdenum metallic targets in a low-energy medical cyclotron, is here described. After dissolution of the irradiated solid target in hydrogen peroxide, Tc-99m was obtained under the chemical form of (99m)TcO4(-), in high radionuclidic and radiochemical purity, by solvent extraction with methyl ethyl ketone (MEK). The extraction process was accomplished inside a glass column-shaped vial especially designed to allow for an easy automation of the whole procedure...
October 5, 2016: Applied Radiation and Isotopes
Jared B Shaw, Tzu-Yung Lin, Franklin E Leach, Aleksey V Tolmachev, Nikola Tolić, Errol W Robinson, David W Koppenaal, Ljiljana Paša-Tolić
We provide the initial performance evaluation of a 21 Tesla Fourier transform ion cyclotron resonance mass spectrometer operating at the Environmental Molecular Sciences Laboratory at the Pacific Northwest National Laboratory. The spectrometer constructed for the 21T system employs a commercial dual linear ion trap mass spectrometer coupled to a FTICR spectrometer designed and built in-house. Performance gains from moving to higher magnetic field strength are exemplified by the measurement of peptide isotopic fine structure, complex natural organic matter mixtures, and large proteins...
October 12, 2016: Journal of the American Society for Mass Spectrometry
Kimberly Plevniak, Matthew Campbell, Timothy Myers, Abby Hodges, Mei He
Clinical diagnosis requiring central facilities and site visits can be burdensome for patients in resource-limited or rural areas. Therefore, development of a low-cost test that utilizes smartphone data collection and transmission would beneficially enable disease self-management and point-of-care (POC) diagnosis. In this paper, we introduce a low-cost iPOC(3D) diagnostic strategy which integrates 3D design and printing of microfluidic POC device with smartphone-based disease diagnosis in one process as a stand-alone system, offering strong adaptability for establishing diagnostic capacity in resource-limited areas and low-income countries...
September 2016: Biomicrofluidics
Minyoung Oh, Don Anushka Sandaruwan Elvitigala, S D N K Bathige, Seongdo Lee, Myoung-Jin Kim, Jehee Lee
Apoptosis is a physiological process that can also participate in host immune defense mechanisms, including tumor growth suppression along with homeostasis and maturation of immune cells. Caspases are known to be involved in cellular apoptotic signaling; among them, caspase-8 plays an important role in the initiation phase of the apoptotic death cascade. In the current study, we molecularly characterized a caspase-8 homolog (designated as HaCasp-8) from Hippocampus abdominalis. The HaCasp-8 gene harbors a 1476 bp open reading frame (ORF) that codes for a protein of 492 amino acids (aa) with a predicted molecular mass of 55 kDa...
October 11, 2016: Fish & Shellfish Immunology
Edwin J Meneses-Gómez, Adriana Posada-López, Andrés A Agudelo-Suarez
Metrosalud is the largest public hospital network in the city of Medellin and one of the most important in Colombia providing health care to the most vulnerable population. The objective of the study was to determine the Oral HealthRelated Quality of Life (OHRQoL) and its related factors in the elderly population receiving health care at the public hospital network in Medellin (Colombia). A crosssectional design was used. Men and women ≥ 65 years old were considered for this research, selected from first consultation records by the institution's statistical unit for 2011, who accepted to participate after being contacted by telephone...
September 2016: Acta Odontológica Latinoamericana: AOL
Jae Cheol Kim, Bruce P Mullan, John L Black, Robert J E Hewitt, Robert J van Barneveld, John R Pluske
BACKGROUND: This experiment was conducted to test the hypothesis that vitamin E (Vit E) and acetylsalicylic acid (ASA), a cyclooxygenase-2 (COX-2) inhibitor, will additively reduce the production of the immunosuppressive molecule prostaglandin E2 (PGE2) and hence reduce inflammatory responses in weaner pigs experimentally infected with an enterotoxigenic strain of E. coli. METHODS: The experiment was conducted in a research facility with 192 individually-housed male weaner pigs (Landrace × Large White) weighing 6...
2016: Journal of Animal Science and Biotechnology
Daniel P Herbst
The process of microbubble filtration from blood is complex and highly dependent on the forces of flow and buoyancy. To protect the patient from air emboli, arterial-line filters commonly use a micropore screen, a large volume housing with purpose-built shape, and a purge port to trap, separate, and remove circulating microbubbles. Although it has been proposed that an insufficient buoyancy force renders the purge port ineffective at removing microbubbles smaller than 500 μm, this research attempts to investigate the purge flow of an arterial-line filter to better understand the microbubble removal function in a typical radial filter design...
September 2016: Journal of Extra-corporeal Technology
A Santana, C Cajarville, A Mendoza, J L Repetto
Diets combining herbage and total mixed rations (TMR) are increasingly used in temperate regions for feeding ruminants, but little information is available regarding the effects on nutrient intake and digestion of this feeding management in beef cattle. The aim of this study was to determine the effects of combining TMR (10% CP and 13% ADF), and legume-based herbage (14% CP and 27% ADF) on intake, nutrient digestion, ruminal fermentation, microbial N flow and glucose and nitrogen metabolism in heifers. The experiment was a 3×3 Latin square design replicated three times; each period lasted 18 days (10 adaptation days and 8 measurement days)...
October 11, 2016: Animal: An International Journal of Animal Bioscience
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