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https://www.readbyqxmd.com/read/28215046/genome-resolved-metagenomics-of-a-bioremediation-system-for-degradation-of-thiocyanate-in-mine-water-containing-suspended-solid-tailings
#1
Sumayah F Rahman, Rose S Kantor, Robert Huddy, Brian C Thomas, Andries W van Zyl, Susan T L Harrison, Jillian F Banfield
Thiocyanate (SCN(-) ) is a toxic compound that forms when cyanide (CN(-) ), used to recover gold, reacts with sulfur species. SCN(-) -degrading microbial communities have been studied, using bioreactors fed synthetic wastewater. The inclusion of suspended solids in the form of mineral tailings, during the development of the acclimatized microbial consortium, led to the selection of an active planktonic microbial community. Preliminary analysis of the community composition revealed reduced microbial diversity relative to the laboratory-based reactors operated without suspended solids...
February 19, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28214933/findings-from-american-indian-needs-assessments
#2
Linda Burhansstipanov, Linda U Krebs, Lisa Harjo, Kathleen Ragan, Judith Salmon Kaur, Vickie Marsh, Dewey Painter
Because of decreased access and dismal survival rates, strategies need to be developed to increase cancer awareness and facilitate cancer prevention, early detection, and screening activities within American Indian (AI) populations. The purpose of this study was to develop a locally tailored needs assessment to collect cancer prevention, control, and risk factor information and knowledge, attitude, and perceived behavior (hereafter referred to as "needs assessment") data from 500 community members living in 3 geographically diverse settings: the Southeastern USA, the Rocky Mountain region, and the Northern Plains...
February 18, 2017: Journal of Cancer Education: the Official Journal of the American Association for Cancer Education
https://www.readbyqxmd.com/read/28214776/the-metabolic-impact-of-extracellular-nitrite-on-aerobic-metabolism-of-paracoccus-denitrificans
#3
K R Hartop, M J Sullivan, G Giannopoulos, A J Gates, P L Bond, Z Yuan, T A Clarke, G Rowley, D J Richardson
Nitrite, in equilibrium with free nitrous acid (FNA), can inhibit both aerobic and anaerobic growth of microbial communities through bactericidal activities that have considerable potential for control of microbial growth in a range of water systems. There has been much focus on the effect of nitrite/FNA on anaerobic metabolism and so, to enhance understanding of the metabolic impact of nitrite/FNA on aerobic metabolism, a study was undertaken with a model denitrifying bacterium Paracoccus denitrificans PD1222...
February 7, 2017: Water Research
https://www.readbyqxmd.com/read/28214446/development-of-algae-bacteria-granular-consortia-in-photo-sequencing-batch-reactor
#4
Lin Liu, Hongyong Fan, Yuhong Liu, Chaoxiang Liu, Xu Huang
The development and properties of algae-bacteria granular consortia, which cultivated with the algae (Chlorella and Scenedesmus) and aerobic granules, was investigated in this experiment. The results indicated that the granular consortia could be successfully developed by selection pressure control, and the algal biomass and extracellular polymeric substances (EPS) concentration in the consortia showed notable correlation with the operating parameters of reactor. The maximum specific removal rates of total nitrogen and phosphate were obtained from the granular consortia with the highest algal biomass, yet the correlation between the fatty acid methyl esters yield and the algal biomass in the consortia was not markedly observed...
February 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28214440/achieving-short-cut-nitrification-and-denitrification-in-modified-intermittently-aerated-constructed-wetland
#5
Jie Hou, Ling Xia, Tao Ma, Yiqing Zhang, Yiyong Zhou, Xugang He
This study aim to enhance nitrogen removal performance via shifting nitrogen removal pathway from nitrate to nitrite pathway. It was demonstrated that nitrite pathway was successfully and stably achieved in CWs by using modified intermittent aeration control with aeration 20min/non-aeration 100min and reducing DO concentration during aeration, nitrite in the effluent could accumulate to over 70% of the total oxidized nitrogen. Q-PCR analysis showed that nitrifying microbial communities were optimized under the alternating anoxic and aerobic conditions, ammonia oxidizing bacteria increased from 7...
February 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28214145/effect-of-reduction-mammoplasty-on-acute-radiation-side-effects-and-use-of-lumpectomy-cavity-boosts
#6
Jolinta Y Lin, Rachel Bluebond-Langner, Enid Choi, Sally Cheston, Elizabeth M Nichols, Randi J Cohen, Soren M Bentzen, Cynthia Drogula, Susan Kesmodel, Emily Bellavance, Paula Rosenblatt, Katherine Tkaczuk, Sheri Slezak, Steven J Feigenberg
PURPOSE: Reduction mammoplasty (RM) during breast-conserving surgery is popular among women with large-volume breasts because it reduces redundant breast folds and may decrease skin-related morbidity from radiation therapy. However, RM may obscure the lumpectomy cavity (LC) and pose challenges to administering an LC boost, potentially affecting local control. We investigated the impact of RM on acute side effects and use of LC boosts. METHODS AND MATERIALS: The records of 645 consecutive women treated with whole-breast irradiation at an urban university and 2 community practices between January 2012 and December 2014 were reviewed on an institutional review board-approved study...
January 7, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28213734/dehalococcoides-and-general-bacterial-ecology-of-differentially-trichloroethene-dechlorinating-flow-through-columns
#7
Babur S Mirza, Darwin L Sorensen, Daniel J McGlinn, R Ryan Dupont, Joan E McLean
The diversity of Dehalococcoides mccartyi (Dhc) and/or other organohalide respiring or associated microorganisms in parallel, partial, or complete trichloroethene (TCE) dehalogenating systems has not been well described. The composition of Dhc populations and the associated bacterial community that developed over 7.5 years in the top layer (0-10 cm) of eight TCE-fed columns were examined using pyrosequencing. Columns biostimulated with one of three carbon sources, along with non-stimulated controls, developed into complete (ethene production, whey amended), partial (cis-dichloroethene (DCE) and VC, an emulsified oil with nonionic surfactant), limited (<5 % cis-DCE and 95 % TCE, an emulsified oil), and non- (controls) TCE dehalogenating systems...
February 17, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28213732/the-potential-of-lactic-acid-bacteria-to-colonize-biotic-and-abiotic-surfaces-and-the-investigation-of-their-interactions-and-mechanisms
#8
REVIEW
Mattia Pia Arena, Vittorio Capozzi, Giuseppe Spano, Daniela Fiocco
Lactic acid bacteria (LAB) are a heterogeneous group of Gram-positive bacteria that comprise several species which have evolved in close association with humans (food and lifestyle). While their use to ferment food dates back to very ancient times, in the last decades, LAB have attracted much attention for their documented beneficial properties and for potential biomedical applications. Some LAB are commensal that colonize, stably or transiently, host mucosal surfaces, inlcuding the gut, where they may contribute to host health...
February 17, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28213632/preventing-weight-gain-improves-sleep-quality-among-black-women-results-from-a-rct
#9
Dori M Steinberg, Jacob Christy, Bryan C Batch, Sandy Askew, Reneé H Moore, Portia Parker, Gary G Bennett
BACKGROUND: Obesity and poor sleep are highly prevalent among Black women. PURPOSE: We examined whether a weight gain prevention intervention improved sleep among Black women. METHODS: We conducted a randomized trial comparing a 12-month weight gain prevention intervention that included self-monitoring through mobile technologies and phone coaching to usual care in community health centers. We measured sleep using the Medical Outcomes Study Sleep Scale at baseline, 12 months, and 18 months...
February 17, 2017: Annals of Behavioral Medicine: a Publication of the Society of Behavioral Medicine
https://www.readbyqxmd.com/read/28213630/religious-coping-with-sexual-stigma-in-young-adults-with-same-sex-attractions
#10
Shauna K Lauricella, Russell E Phillips, Eric F Dubow
The present study assessed religious coping with sexual stigma in 260 young adults with same-sex attractions. Although the majority of the sample rarely utilized religious coping, a significant minority of participants frequently turned to religion to deal with sexual stigma. Controlling for demographic and general religious variables, positive religious coping (e.g., connecting with God) was associated with beneficial outcomes, and negative religious coping (e.g., frustrations with one's spiritual community) related to poorer adjustment to sexual stigma...
February 17, 2017: Journal of Religion and Health
https://www.readbyqxmd.com/read/28213598/informing-efficient-randomised-controlled-trials-exploration-of-challenges-in-developing-progression-criteria-for-internal-pilot-studies
#11
Kerry N L Avery, Paula R Williamson, Carrol Gamble, Elaine O'Connell Francischetto, Chris Metcalfe, Peter Davidson, Hywel Williams, Jane M Blazeby
OBJECTIVES: Designing studies with an internal pilot phase may optimise the use of pilot work to inform more efficient randomised controlled trials (RCTs). Careful selection of preagreed decision or 'progression' criteria at the juncture between the internal pilot and main trial phases provides a valuable opportunity to evaluate the likely success of the main trial and optimise its design or, if necessary, to make the decision not to proceed with the main trial. Guidance on the appropriate selection and application of progression criteria is, however, lacking...
February 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28213300/experiences-of-stigma-and-discrimination-faced-by-family-caregivers-of-people-with-schizophrenia-in-india
#12
Mirja Koschorke, R Padmavati, Shuba Kumar, Alex Cohen, Helen A Weiss, Sudipto Chatterjee, Jesina Pereira, Smita Naik, Sujit John, Hamid Dabholkar, Madhumitha Balaji, Animish Chavan, Mathew Varghese, R Thara, Vikram Patel, Graham Thornicroft
Stigma associated with schizophrenia significantly affects family caregivers, yet few studies have examined the nature and determinants of family stigma and its relationship to their knowledge about the condition. This paper describes the experiences and determinants of stigma reported by the primary caregivers of people living with schizophrenia (PLS) in India. The study used mixed methods and was nested in a randomised controlled trial of community care for people with schizophrenia. Between November 2009 and October 2010, data on caregiver stigma and functional outcomes were collected from a sample of 282 PLS-caregiver dyads...
February 1, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28212791/echinococcosis-control-and-prevention
#13
P S Craig, D Hegglin, M W Lightowlers, P R Torgerson, Q Wang
Human cystic echinococcosis (CE) has been eliminated or significantly reduced as a public health problem in several previously highly endemic regions. This has been achieved by the long-term application of prevention and control measures primarily targeted to deworming dogs, health education, meat inspection, and effective surveillance in livestock and human populations. Human CE, however, remains a serious neglected zoonotic disease in many resource-poor pastoral regions. The incidence of human alveolar echinococcosis (AE) has increased in continental Europe and is a major public health problem in parts of Eurasia...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28212668/association-of-community-sanitation-usage-with-soil-transmitted-helminth-infections-among-school-aged-children-in-amhara-region-ethiopia
#14
William E Oswald, Aisha E P Stewart, Michael R Kramer, Tekola Endeshaw, Mulat Zerihun, Berhanu Melak, Eshetu Sata, Demelash Gessese, Tesfaye Teferi, Zerihun Tadesse, Birhan Guadie, Jonathan D King, Paul M Emerson, Elizabeth K Callahan, Matthew C Freeman, W Dana Flanders, Thomas F Clasen, Christine L Moe
BACKGROUND: Globally, in 2010, approximately 1.5 billion people were infected with at least one species of soil-transmitted helminth (STH), Ascaris lumbricoides, Trichuris trichiura, hookworm (Ancylostoma duodenale and Necator americanus). Infection occurs through ingestion or contact (hookworm) with eggs or larvae in the environment from fecal contamination. To control these infections, the World Health Organization recommends periodic mass treatment of at-risk populations with deworming drugs...
February 17, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28212636/experimental-hut-evaluation-of-a-novel-long-lasting-non-pyrethroid-durable-wall-lining-for-control-of-pyrethroid-resistant-anopheles-gambiae-and-anopheles-funestus-in-tanzania
#15
Robert Malima, Basiliana Emidi, Louisa A Messenger, Richard M Oxborough, Bernard Batengana, Wema Sudi, Sophie Weston, George Mtove, Joseph P Mugasa, Franklin W Mosha, Mark W Rowland, William Kisinza
BACKGROUND: A novel, insecticide-treated, durable wall lining (ITWL), which mimics indoor residual spraying (IRS), has been developed to provide prolonged vector control when fixed to the inner walls of houses. PermaNet(®) ITWL is a polypropylene material containing non-pyrethroids (abamectin and fenpyroximate) which migrate gradually to the surface. METHODS: An experimental hut trial was conducted in an area of pyrethroid-resistant Anopheles gambiae s.l. and Anopheles funestus s...
February 17, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28212349/household-dengue-prevention-interventions-expenditures-and-barriers-to-aedes-aegypti-control-in-machala-ecuador
#16
Naveed Heydari, David A Larsen, Marco Neira, Efraín Beltrán Ayala, Prissila Fernandez, Jefferson Adrian, Rosemary Rochford, Anna M Stewart-Ibarra
The Aedes aegypti mosquito is an efficient vector for the transmission of Zika, chikungunya, and dengue viruses, causing major epidemics and a significant social and economic burden throughout the tropics and subtropics. The primary means of preventing these diseases is household-level mosquito control. However, relatively little is known about the economic burden of Ae. aegypti control in resource-limited communities. We surveyed residents from 40 households in a high-risk community at the urban periphery in the city of Machala, Ecuador, on dengue perceptions, vector control interventions, household expenditures, and factors influencing purchasing decisions...
February 16, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28212301/the-phytocomplex-from-fucus-vesiculosus-and-ascophyllum-nodosum-controls-postprandial-plasma-glucose-levels-an-in-vitro-and-in-vivo-study-in-a-mouse-model-of-nash
#17
Daniela Gabbia, Stefano Dall'Acqua, Iole Maria Di Gangi, Sara Bogialli, Valentina Caputi, Laura Albertoni, Ilaria Marsilio, Nicola Paccagnella, Maria Carrara, Maria Cecilia Giron, Sara De Martin
Edible seaweeds have been consumed by Asian coastal communities since ancient times. Fucus vesiculosus and Ascophyllum nodosum extracts have been traditionally used for the treatment of obesity and several gastrointestinal diseases. We evaluated the ability of extracts obtained from these algae to inhibit the digestive enzymes α-amylase and α-glucosidase in vitro, and control postprandial plasma glucose levels in a mouse model of non-alcoholic steatohepatitis (NASH); a liver disease often preceding the development of Type 2 diabetes (T2DM)...
February 15, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28211962/smoking-prevalence-among-lesbian-bisexual-and-queer-women-in-sydney-remains-high-analysis-of-trends-and-correlates
#18
Rachel M Deacon, Julie Mooney-Somers
INTRODUCTION AND AIMS: To investigate smoking prevalence trends and correlates among lesbian, bisexual and queer-identifying (LBQ) women in Sydney, Australia. DESIGN AND METHODS: Data from 5007 respondents to a repeated cross-sectional community survey were used to examine smoking trends between 2004 and 2014. Multinomial logistic regression was used to examine smoking correlates. RESULTS: Thirty percent of respondents were current smokers, including 48% of 16 to 24-year-olds...
February 17, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28211056/targeted-mass-media-interventions-promoting-healthy-behaviours-to-reduce-risk-of-non-communicable-diseases-in-adult-ethnic-minorities
#19
REVIEW
Annhild Mosdøl, Ingeborg B Lidal, Gyri H Straumann, Gunn E Vist
BACKGROUND: Physical activity, a balanced diet, avoidance of tobacco exposure, and limited alcohol consumption may reduce morbidity and mortality from non-communicable diseases (NCDs). Mass media interventions are commonly used to encourage healthier behaviours in population groups. It is unclear whether targeted mass media interventions for ethnic minority groups are more or less effective in changing behaviours than those developed for the general population. OBJECTIVES: To determine the effects of mass media interventions targeting adult ethnic minorities with messages about physical activity, dietary patterns, tobacco use or alcohol consumption to reduce the risk of NCDs...
February 17, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28210794/the-rapid-degradation-of-bisphenol-a-induced-by-the-response-of-indigenous-bacterial-communities-in-sediment
#20
Chao Huang, Piao Xu, Guangming Zeng, Danlian Huang, Cui Lai, Min Cheng, Linjing Deng, Chen Zhang, Jia Wan, Linshan Liu
In the present study, sediment was spiked with bisphenol A (BPA) solution to explore the interaction between indigenous bacterial communities and BPA biodegradation in sediment. Results showed that BPA could be adsorbed to the sediment and then biodegraded rapidly. Biodegradation efficiency of BPA in treatments with 10 and 50 mg/L BPA reached 64.3 and 61.8% on the first day, respectively. Quantitative polymerase chain reaction and denaturing gradient gel electrophoresis analysis indicated that BPA affected the densities, species, and diversities of bacteria significantly...
February 16, 2017: Applied Microbiology and Biotechnology
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