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https://www.readbyqxmd.com/read/28103491/chemically-activated-carbon-from-lignocellulosic-wastes-for-heavy-metal-wastewater-remediation-effect-of-activation-conditions
#1
Arunima Nayak, Brij Bhushan, Vartika Gupta, P Sharma
Chemical activation is known to induce specific surface features of porosity and functionality which play a definite role in enhancing the adsorptive potential of the developed activated carbons. Different conditions of temperature, time, reagent type and impregnation ratio were applied on sawdust precursor and their effect on the physical, surface chemical features and finally on the adsorption potential of the developed activated carbons were analysed. Under activation conditions of 600°C, 1hr, 1:0.5 ratio, ZnCl2 impregnated carbon (CASD_ZnCl2) resulted in microporosity while KOH impregnation (CASD_KOH) yielded a carbon having a wider pore size distribution...
January 10, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28103397/the-economic-burden-of-nurse-sensitive-adverse-events-in-22-medical-surgical-units-retrospective-and-matching-analysis
#2
Eric Tchouaket, Carl-Ardy Dubois, Danielle D'Amour
AIMS: To assess the economic burden of nurse-sensitive adverse events (NSAEs) in 22 acute care units in Quebec by estimating excess hospital-related costs and calculating resulting additional hospital days. BACKGROUND: Recent changes in the worldwide economic and financial contexts have made the cost of patient safety a topical issue. Yet our knowledge about the economic burden of safety of nursing care is quite limited in Canada in general and Quebec in particular...
January 19, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28103280/formulation-general-features-and-global-calibration-of-a-bioenergetically-constrained-fishery-model
#3
David A Carozza, Daniele Bianchi, Eric D Galbraith
Human exploitation of marine resources is profoundly altering marine ecosystems, while climate change is expected to further impact commercially-harvested fish and other species. Although the global fishery is a highly complex system with many unpredictable aspects, the bioenergetic limits on fish production and the response of fishing effort to profit are both relatively tractable, and are sure to play important roles. Here we describe a generalized, coupled biological-economic model of the global marine fishery that represents both of these aspects in a unified framework, the BiOeconomic mArine Trophic Size-spectrum (BOATS) model...
2017: PloS One
https://www.readbyqxmd.com/read/28103243/the-socioeconomic-benefit-to-individuals-of-achieving-the-2020-targets-for-five-preventive-chemotherapy-neglected-tropical-diseases
#4
William K Redekop, Edeltraud J Lenk, Marianne Luyendijk, Christopher Fitzpatrick, Louis Niessen, Wilma A Stolk, Fabrizio Tediosi, Adriana J Rijnsburger, Roel Bakker, Jan A C Hontelez, Jan H Richardus, Julie Jacobson, Sake J de Vlas, Johan L Severens
BACKGROUND: Lymphatic filariasis (LF), onchocerciasis, schistosomiasis, soil-transmitted helminths (STH) and trachoma represent the five most prevalent neglected tropical diseases (NTDs). They can be controlled or eliminated by means of safe and cost-effective interventions delivered through programs of Mass Drug Administration (MDA)-also named Preventive Chemotherapy (PCT). The WHO defined targets for NTD control/elimination by 2020, reinforced by the 2012 London Declaration, which, if achieved, would result in dramatic health gains...
January 19, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28103239/identifying-t-cell-receptors-from-high-throughput-sequencing-dealing-with-promiscuity-in-tcr%C3%AE-and-tcr%C3%AE-pairing
#5
Edward S Lee, Paul G Thomas, Jeff E Mold, Andrew J Yates
Characterisation of the T cell receptors (TCR) involved in immune responses is important for the design of vaccines and immunotherapies for cancer and autoimmune disease. The specificity of the interaction between the TCR heterodimer and its peptide-MHC ligand derives largely from the juxtaposed hypervariable CDR3 regions on the TCRα and TCRβ chains, and obtaining the paired sequences of these regions is a standard for functionally defining the TCR. A brute force approach to identifying the TCRs in a population of T cells is to use high-throughput single-cell sequencing, but currently this process remains costly and risks missing small clones...
January 19, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28103049/controlling-kink-geometry-in-nanowires-fabricated-by-alternating-metal-assisted-chemical-etching
#6
Yun Chen, Liyi Li, Cheng Zhang, Chia-Chi Tuan, Xin Chen, Jian Gao, Ching-Ping Wong
Kinked silicon (Si) nanowires (NWs) have many special properties that make them attractive for a number of applications, such as microfluidics devices, microelectronic devices, and biosensors. However, fabricating NWs with controlled 3D geometry has been challenging. In this work, a novel method called alternating metal-assisted chemical etching, or alternating MACE, is reported for the fabrication of kinked Si NWs with controlled 3D geometry. By the use of multiple etchants with carefully selected composition, one can control the number of kinks, their locations, and their angles by controlling the number of etchant alternations and the time in each etchant...
January 19, 2017: Nano Letters
https://www.readbyqxmd.com/read/28102937/re-implementation-of-an-evidence-based-acute-tonsillitis-protocol-our-experience-in-one-hundred-and-twenty-six-patients
#7
Guled M Jama, Mahmoud Nosseir, Julian Danino, James Barraclough
The 'Portsmouth Tonsillitis Protocol' by Bird et al. (October 2013 issue)([1]) provides the first published treatment algorithm for use in patients with acute tonsillitis presenting to secondary care. Following introduction of the protocol at their centre the authors demonstrate an improved delivery of tonsillitis treatment as well as a reduction in hospital admission rates and inpatient services leading to significant cost savings. The financial implications are particularly relevant to health services facing economic pressures...
January 19, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28102899/b-type-natriuretic-peptide-guided-treatment-for-heart-failure
#8
REVIEW
Julie McLellan, Carl J Heneghan, Rafael Perera, Alison M Clements, Paul P Glasziou, Karen E Kearley, Nicola Pidduck, Nia W Roberts, Sally Tyndel, F Lucy Wright, Clare Bankhead
BACKGROUND: Heart failure is a condition in which the heart does not pump enough blood to meet all the needs of the body. Symptoms of heart failure include breathlessness, fatigue and fluid retention. Outcomes for patients with heart failure are highly variable; however on average, these patients have a poor prognosis. Prognosis can be improved with early diagnosis and appropriate use of medical treatment, use of devices and transplantation. Patients with heart failure are high users of healthcare resources, not only due to drug and device treatments, but due to high costs of hospitalisation care...
December 22, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28102792/a-study-exploring-the-protean-responses-of-nurses-transitioning-to-primary-healthcare
#9
Christine Ashley, Elizabeth Halcomb, Angela Brown
Background Healthcare systems are faced with changing community health profiles and ageing populations. Together with economic considerations, these factors have influenced the increase in provision of care in primary rather than other healthcare settings. Many nurses are electing to move from acute care to meet demands for a skilled primary healthcare workforce. However, little is reported about these nurses' experiences of transition. Aim To describe how role theory provides a theoretical framework to inform the design of a mixed-methods study exploring the transition of acute care nurses to roles in primary health care...
January 23, 2017: Nurse Researcher
https://www.readbyqxmd.com/read/28102738/optimization-and-partial-characterization-of-intracellular-anticandidal-protein-from-aspergillus-giganteus-mtcc-8408-using-taguchi-doe
#10
Debashis Dutta, Mira Debnath Das
A new intracellular antifungal protein (afp) production with average molecular weight 24.3 kDa and yield of 0.65 ± 0.1 mg/gram dry cell weight (gdcw) of mycelia in submerged fermentation of Aspergillus giganteus MTCC 8408 was optimized. Taguchi's DOE (design of experiment) L27 orthogonal array (OA) was constructed using Qualitek-4 software with 8 most influensive factors namely, culture pH, temperature, slant age, inoculum volume, agitation and KH2PO4. Scanning electron microscopy (SEM) was used to correlate the effect of selected factors on fungal cell morphology and afp production...
January 19, 2017: Bioengineered
https://www.readbyqxmd.com/read/28102618/commentary-beyond-more-of-the-same-sustaining-the-benefits-of-preschool-education-reflections-on-bierman-et%C3%A2-al-2016
#11
Deborah A Phillips
Preschool education is now firmly linked to two aspirational purposes: as the first step on a trajectory of academic and life success for all children and as wise economic policy for the nation. Both purposes are grounded in an assumption that the early developmental boost children receive from preschool will produce lasting impacts. However, efforts to identify enduring impacts of contemporary preschool programs have produced mixed evidence, leading the field to acknowledge that we have yet to adequately understand the essential conditions and processes in early education classrooms that increase the odds that children will flourish in school and thrive in their adult lives...
February 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/28102501/characteristics-of-social-support-among-teenage-optimal-age-and-advanced-age-women-in-canada-an-analysis-of-the-national-longitudinal-survey-of-children-and-youth
#12
Theresa H M Kim, Michael Rotondi, Jennifer Connolly, Hala Tamim
Background Social support is highly valued and beneficial for women, especially after childbirth. The objective was to examine the differences of social support reported among teen, optimal age, and advanced age women, and to identify the characteristics associated with social support separately for each age group. Methods This was a cross-sectional analysis of the National Longitudinal Survey of Children and Youth. Primiparous women with infants were grouped into: teen (15-19 years), optimal age (20-34 years), and advanced age (35 years and older)...
January 19, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28102443/-new-options-for-the-practice-update-s1-s2-guidelines-on-rheumatoid-arthritis
#13
REVIEW
M Schneider
Guidelines are important tools for evidence-based pharmacological treatment of patients suffering from rheumatoid arthritis. Recommendations assist physicians in identifying the best form of treatment but ultimately, the final decision is based on joint participation by the patient and physician. Nowadays, general concepts, such as treat to target seem to be more important in rheumatoid arthritis than differencies between various drugs or drug classes. The universal recommendation to use methotrexate as the initial disease-modifying antirheumatic drug (DMARD) is driven more by economic reasons than by scientific data, which is not completely wrong but should be disclosed...
January 19, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28102365/viral-phylogenomics-using-an-alignment-free-method-a-three-step-approach-to-determine-optimal-length-of-k-mer
#14
Qian Zhang, Se-Ran Jun, Michael Leuze, David Ussery, Intawat Nookaew
The development of rapid, economical genome sequencing has shed new light on the classification of viruses. As of October 2016, the National Center for Biotechnology Information (NCBI) database contained >2 million viral genome sequences and a reference set of ~4000 viral genome sequences that cover a wide range of known viral families. Whole-genome sequences can be used to improve viral classification and provide insight into the viral "tree of life". However, due to the lack of evolutionary conservation amongst diverse viruses, it is not feasible to build a viral tree of life using traditional phylogenetic methods based on conserved proteins...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102313/cultivation-and-energy-efficient-harvesting-of-microalgae-using-thermoreversible-sol-gel-transition
#15
Bendy Estime, Dacheng Ren, Radhakrishna Sureshkumar
Microalgae represent a promising source of renewable biomass for the production of biofuels and valuable chemicals. However, energy efficient cultivation and harvesting technologies are necessary to improve economic viability. A Tris-Acetate-Phosphate-Pluronic (TAPP) medium that undergoes a thermoreversible sol-gel transition is developed to efficiently culture and harvest microalgae without affecting the productivity as compared to that in traditional culture in a well-mixed suspension. After seeding microalgae in the TAPP medium in a solution phase at 15 °C, the temperature is increased by 7 °C to induce gelation...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28102112/dutiful-daughters-hiv-aids-moral-pragmatics-female-citizenship-and-structural-violence-among-devadasis-in-northern-karnataka-india
#16
Shamshad Khan, Robert Lorway, Claudyne Chevrier, Sumit Dutta, Satyanarayana Ramanaik, Anu Roy, Parinita Bhattacharjee, Sharmistha Mishra, Stephen Moses, James Blanchard, Marissa Becker
Decades of research have documented how sex workers worldwide, particularly female sex workers (FSWs), shoulder a disproportionate burden of the HIV epidemic. In India, although a substantial progress has been made in controlling the epidemic, its prevalence among FSWs and the Devadasis (also called traditional sex workers) in northern Karnataka is still significantly high. On the other hand, much of the HIV prevention research has focused on their mapping and size estimation, typologies, bio-behavioural surveillance, condom use and other prevention technologies...
January 19, 2017: Global Public Health
https://www.readbyqxmd.com/read/28102028/the-involvement-of-msmk-in-pathogenesis-of-the-streptococcus-suis-serotype-2
#17
Mei-Fang Tan, Wan-Quan Liu, Chun-Yan Zhang, Ting Gao, Lin-Lin Zheng, De-Xin Qiu, Lu Li, Rui Zhou
Streptococcus suis serotype 2 (SS2) is an important swine and human pathogen that causes global economic and public health problems. Virulent S. suis strains successfully maintain high bacterial concentrations in host blood and rapidly adapt to challenging environments within hosts. Successful survival in hosts is a major factor influencing the pathogenesis of SS2. We have previously identified that SS2 colonization in mouse brain is possibly affected by the ATPase, MsmK of carbohydrate ATP-binding cassette (ABC) transporters because of carbohydrate utilization...
January 19, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28101923/how-suboptimal-is-suboptimal-choice
#18
Jay E Hinnenkamp, Timothy A Shahan, Gregory J Madden
In a frequently used suboptimal-choice procedure pigeons choose between an alternative that delivers three food pellets with p = 1.0 and an alternative that delivers ten pellets with p = 0.2. Because pigeons reliably choose the probabilistic (suboptimal) alternative, the procedure has been proposed as a nonhuman analog of human gambling. The present experiments were conducted to evaluate two potential threats to the validity of this procedure. Experiments 1 and 2 evaluated if pigeons obtained food at a lower unit price (i...
January 2017: Journal of the Experimental Analysis of Behavior
https://www.readbyqxmd.com/read/28101836/a-review-of-clinical-outcomes-associated-with-two-meropenem-dosing-strategies
#19
REVIEW
Kyle John Wilby, Ziad Ghantous Nasr, Shereen Elazzazy, Tim T Y Lau, Anas Hamad
Meropenem is a carbapenem antibiotic that exhibits time-dependent bactericidal activity, traditionally dosed intravenously at 1 g every 8 h. In order to maximize its pharmacodynamic activity and reduce costs, an alternative regimen employed by many institutions is 500 mg every 6 h. The objective of this review was to summarize and evaluate published literature comparing clinical outcomes associated with these two meropenem dosing regimens. The literature was searched up to October 2016 using the MEDLINE, EMBASE, and Google Scholar databases...
January 18, 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28101730/concepts-for-studying-urban-environmental-justice
#20
REVIEW
Jason Corburn
PURPOSE OF REVIEW: This paper offers research frameworks for understanding and acting to address urban environmental justice. Urban neighborhoods tend to concentrate and colocate vulnerable people and toxic environments. Cities are also where the poor and people of color tend to be disproportionately exposed to environmental hazards, such as air pollution, lead in paint and water, and polluting industries. RECENT FINDINGS: Researchers and government agencies are increasingly recognizing the need to document cumulative exposures that the urban poor and people of color experience in addition to environmental hazards...
January 18, 2017: Current Environmental Health Reports
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