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https://www.readbyqxmd.com/read/29778871/linking-fish-tolerance-to-water-quality-criteria-for-the-assessment-of-environmental-flows-a-practical-method-for-streamflow-regulation-and-pollution-control
#1
Changsen Zhao, Shengtian Yang, Junguo Liu, Changming Liu, Fanghua Hao, Zhonggen Wang, Huitong Zhang, Jinxi Song, Simon M Mitrovic, Richard P Lim
The survival of aquatic biota in stream ecosystems depends on both water quantity and quality, and is particularly susceptible to degraded water quality in regulated rivers. Maintenance of environmental flows (e-flows) for aquatic biota with optimum water quantity and quality is essential for sustainable ecosystem services, especially in developing regions with insufficient stream monitoring of hydrology, water quality and aquatic biota. Few e-flow methods are available that closely link aquatic biota tolerances to pollutant concentrations in a simple and practical manner...
May 15, 2018: Water Research
https://www.readbyqxmd.com/read/29778816/disneyization-a-framework-for-understanding-illicit-drug-use-in-bounded-play-spaces
#2
Tim Turner
BACKGROUND: This paper combines evidence from an ethnographic study of illicit drug use amongst tourists in Ibiza with Bryman's (2004) theoretical model of Disneyization. The principal aim was to construct a new conceptual framework that may help scholars, practitioners and policy makers make sense of dynamic patterns of illegal drug use across bounded play spaces such as tourist resorts, music festivals and nightclubs. METHODS: Ethnographic fieldwork employing a grounded theory design was undertaken over three summers in tourist locations on the Balearic island of Ibiza, including nightclubs, bars, cafes, beaches, airports and hotels...
May 17, 2018: International Journal on Drug Policy
https://www.readbyqxmd.com/read/29778795/bioaugmentation-with-clostridium-tyrobutyricum-to-improve-butyric-acid-production-through-direct-rice-straw-bioconversion
#3
Xue Chi, Jianzheng Li, Xin Wang, Yafei Zhang, Shao-Yuan Leu, Ying Wang
One-pot bioconversion is an economically attractive biorefinery strategy to reduce enzyme consumption. Direct conversion of lignocellulosic biomass for butyric acid production is still challenging because of competition among microorganisms. In a consolidated hydrolysis/fermentation bioprocessing (CBP) the microbial structure may eventually prefer the production of caproic acid rather than butyric acid production. This paper presents a new bioaugmentation approach for high butyric acid production from rice straw...
May 2, 2018: Bioresource Technology
https://www.readbyqxmd.com/read/29778410/paleo-oncology-taking-stock-and-moving-forward
#4
Casey L Kirkpatrick, Roselyn A Campbell, Kathryn J Hunt
This article serves as an introduction to the International Journal of Paleopathology's special issue, Paleo-oncology: Taking Stock and Moving Forward. Reflecting the goals of the special issue, this paper has been designed to provide an overview of the current state of paleo-oncology, to introduce new and innovative paleo-oncological research and ideas, and to serve as a catalyst for future discussions and progress. This paper begins with an overview of the paleo-oncological evidence that can be found in ancient remains, followed by a summary of significant paleo-oncological findings and methodological advances to date...
February 12, 2018: International Journal of Paleopathology
https://www.readbyqxmd.com/read/29778326/new-jbi-policy-emphasizes-substantive-practical-methodological-innovations-for-biomedical-privacy-and-security-papers
#5
EDITORIAL
William A Yasnoff, Edward H Shortliffe
No abstract text is available yet for this article.
May 17, 2018: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/29777965/what-do-we-know-about-sibling-attended-birth-an-integrative-literature-review
#6
REVIEW
Nora L Naber, Suzanne Miller, Sally A Baddock
OBJECTIVE: to consolidate existing research in the field of sibling attended birth (SAB) into a body of knowledge to inform decision-making processes and guide midwifery practice throughout the sibling attended birth experience. DESIGN: An integrative literature review. DATA SOURCES: CINAHL Complete, Cochrane Library, PubMed, Index New Zealand, Australia/New Zealand Reference Centre, grey literature databases REVIEW METHODS: An extensive search of five electronic databases as well as 17 grey literature databases was conducted...
May 8, 2018: Midwifery
https://www.readbyqxmd.com/read/29777617/simulation-in-urology-to-train-non-technical-skills-in-ward-rounds
#7
K Somasundram, H Spence, A J Colquhoun, C Mcilhenny, C S Biyani, S Jain
OBJECTIVE: We have designed an exercise to train newly appointed Urology trainees in non-technical skills on ward rounds as a part of a simulation 'boot camp'. This paper reports our experience, including a qualitative analysis of participant feedback on the utility of this method of training. PATIENTS AND METHODS: The simulations took place in a high-fidelity simulated ward bay. Forty-eight doctors with formal Urology training ranging between 2-60 months (mean 19...
May 19, 2018: BJU International
https://www.readbyqxmd.com/read/29776894/amyloid-pet-in-neurodegenerative-diseases-with-dementia
#8
V Camacho, A Gómez-Grande, P Sopena, D García-Solís, M Gómez Río, C Lorenzo, S Rubí, J Arbizu
Alzheimer's disease (AD) is a neurodegenerative condition characterized by progressive cognitive decline and memory loss, and is the most common form of dementia. Amyloid plaques with neurofibrillary tangles are a neuropathological hallmark of AD that produces synaptic dysfunction and culminates later in neuronal loss. Amyloid PET is a useful, available and non-invasive technique that provides in vivo information about the cortical amyloid burden. In the latest revised criteria for the diagnosis of AD biomarkers were defined and integrated: pathological and diagnostic biomarkers (increased retention on fibrillar amyloid PET or decreased Aβ1-42 and increased T-Tau or P-Tau in CSF) and neurodegeneration or topographical biomarkers (temporoparietal hypometabolism on 18 F-FDG PET and temporal atrophy on MRI)...
May 15, 2018: Revista Española de Medicina Nuclear e Imagen Molecular
https://www.readbyqxmd.com/read/29776586/-the-role-and-use-of-patient-reported-outcomes-in-the-management-of-cancer-patients
#9
REVIEW
Patricia Marino, Marie Bannier, Jean-François Moulin, Gwenaëlle Gravis
Therapeutic innovations in the field of oncology allow to manage cancer as a chronic illness with treatments being administered over prolonged periods of time. In this context, it is now acknowledged that it is important to complete the assessment of benefit based on purely clinical endpoints using outcome measurement evaluated by patients themselves. The Patient reported outcome (PRO) concept has then emerged and there is an increasing interest in using the PROs as an indicator of the benefit of new therapeutic strategies...
May 15, 2018: Bulletin du Cancer
https://www.readbyqxmd.com/read/29776182/optimal-stabilization-of-boolean-networks-through-collective-influence
#10
Jiannan Wang, Sen Pei, Wei Wei, Xiangnan Feng, Zhiming Zheng
Boolean networks have attracted much attention due to their wide applications in describing dynamics of biological systems. During past decades, much effort has been invested in unveiling how network structure and update rules affect the stability of Boolean networks. In this paper, we aim to identify and control a minimal set of influential nodes that is capable of stabilizing an unstable Boolean network. For locally treelike Boolean networks with biased truth tables, we propose a greedy algorithm to identify influential nodes in Boolean networks by minimizing the largest eigenvalue of a modified nonbacktracking matrix...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29775965/the-frontier-framework-and-its-eight-frontier-archetypes-a-new-conceptual-approach-to-representing-staff-and-patient-well-being-in-health-systems
#11
Darrin L Baines
This paper proposes a new conceptual framework for jointly analysing the production of staff and patient welfare in health systems. Research to date has identified a direct link between staff and patient well-being. However, until now, no one has produced a unified framework for analysing them concurrently. In response, this paper introduces the "Frontier Framework". The new conceptual framework is applicable to all health systems regardless of their structure or financing. To demonstrate the benefits of its use, an empirical example of the Frontier Framework is constructed using data from the UK's National Health Service...
May 4, 2018: Social Science & Medicine
https://www.readbyqxmd.com/read/29775832/stressed-out-an-investigation-of-whether-allostatic-load-mediates-associations-between-neighbourhood-deprivation-and-health
#12
Lucy Prior, David Manley, Kelvyn Jones
Deprived neighbourhoods have long been associated with poorer health outcomes. However, many quantitative studies have not evidenced the mechanisms through which place 'gets under the skin' to influence health. The increasing prevalence of biosocial data provides new opportunities to explore these mechanisms and incorporate them into models of contextual effects. The stress pathway is a key biosocial mechanism; however, few studies have explicitly tested it in neighbourhood associations. This paper addresses this gap by investigating whether allostatic load, a biological response to chronic stress, mediates relationships of neighbourhood deprivation to physical and mental health...
May 15, 2018: Health & Place
https://www.readbyqxmd.com/read/29775683/viscoelastic-modeling-of-the-fusion-of-multicellular-tumor-spheroids-in-growth-phase
#13
Guillaume Dechristé, Jérôme Fehrenbach, Elena Griseti, Valérie Lobjois, Clair Poignard
BACKGROUND: Since several decades, the experiments have highlighted the analogy of fusing cell aggregates with liquid droplets. The physical macroscopic models have been derived under incompressible assumptions. The aim of this paper is to provide a 3D model of growing spheroids, which is more relevant regarding embryo cell aggregates or tumor cell spheroids. METHODS: We extend the past approach to a compressible 3D framework in order to account for the tumor spheroid growth...
May 15, 2018: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/29775295/noncovalent-grafting-of-a-dy-iii-2-single-molecule-magnet-onto-chemically-modified-multiwalled-carbon-nanotubes
#14
Vassilis Tangoulis, Nikolia Lalioti, John Parthenios, Nikos Boukos, Ondřej Malina, Jiří Tuček, Radek Zbořil
While synthetic methods for the grafting of nanoparticles or photoactive molecules onto carbon nanotubes (CNTs) have been developed in the last years, a very limited number of reports have appeared on the grafting of single-molecule magnets (SMMs) onto CNTs. There are many potential causes, mainly focused on the fact that the attachment of molecules on surfaces remains not trivial and their magnetic properties are significantly affected upon attachment. Nevertheless, implementation of this particular type of hybrid material in demanding fields such as spintronic devices makes of utmost importance the investigation of new synthetic protocols for effective grafting...
May 18, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29775031/-neurofeedback-therapy-in-the-treatment-of-tinnitus
#15
REVIEW
Z Q Zhao, G X Lei, Y L Li, D Zhang, W D Shen, S M Yang, Y H Qiao
Neurofeedback therapy is a fast-growing field of tinnitus treatment, which is a new type of biofeedback therapy. In the past, the "muscle tone" and "blood flow" were used as feedback signals in biofeedback therapy to treat tinnitus, however there was no long-term follow-up report. Instead, neurofeedback therapy utilizes EEG (electroencephalogram) as the feedback signal, which is also called EEG biofeedback therapy. At present, most treatments of tinnitus only record subjective measures of patients as evaluation indicators, whereas neurofeedback therapy is more convincing for using comprehensive evaluation including changes of brain wave as objective indicators and subjective measures of patients...
February 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29774970/priming-patient-safety-a-middle-range-theory-of-safety-goal-priming-via-safety-culture-communication
#16
Patricia S Groves, Jacinda L Bunch
The aim of this paper is discussion of a new middle-range theory of patient safety goal priming via safety culture communication. Bedside nurses are key to safe care, but there is little theory about how organizations can influence nursing behavior through safety culture to improve patient safety outcomes. We theorize patient safety goal priming via safety culture communication may support organizations in this endeavor. According to this theory, hospital safety culture communication activates a previously held patient safety goal and increases the perceived value of actions nurses can take to achieve that goal...
May 18, 2018: Nursing Inquiry
https://www.readbyqxmd.com/read/29774927/-interpretation-on-chinese-surgeons-consensus-opinion-for-the-definition-of-gastric-stump-cancer-version-2018
#17
Zhidong Gao, Kewei Jiang, Yingjiang Ye, Shan Wang
Gastric stump cancer(GSC) is defined as newly developed remnant stomach cancer following gastrectomy. This definition initially referred to carcinoma detected in the remnant stomach more than 5 years after the primary surgery for a benign disease. Subsequently, this timeframe was extended to 10 years after the primary surgery for a malignant disease. Recently, the concept of "carcinoma in the remnant stomach(CRS)" proposed by the Japanese Gastric Cancer Association was introduced in China. The new definition encompasses all carcinomas arising in the remnant stomach following gastrectomy, irrespective of the histology of the primary lesion, extent of resection, or reconstruction method...
May 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29774908/enhanced-dna-detection-using-a-multiple-pulse-pumping-scheme-with-time-gating-mpptg
#18
Joseph D Kimball, Badri Maliwal, Sangram L Raut, Hung Doan, Zhangatay Nurekeyev, Ignacy Gryczynski, Zygmunt Gryczynski
Fluorescence signal enhancement induced by the binding of intercalators to DNA has been broadly utilized in various DNA detection methods. In most instances the increase in fluorescence intensity is associated with a concomitant increase of fluorescence lifetime. This increase of the fluorescence lifetime presents an additional opportunity to increase detection sensitivity. In this paper, we present a new approach to significantly enhance the sensitivity in detecting minute DNA concentrations. The approach is based on simultaneous use of time-gated detection and multi-pulse pumping...
May 18, 2018: Analyst
https://www.readbyqxmd.com/read/29774800/selfish-altruism-fierce-cooperation-and-the-predator
#19
Nikolaos Askitas
This paper suggests a new way to think about a famous question: what explains cooperation in nature and in particular in humans? I argue that, for an evolutionary biologist as well as a quantitative social scientist, the triangle of two 'teammates' in the presence of a predator (passing and shooting in two-on-one situations) is one of the fundamental conceptual building-blocks for understanding these phenomena because in such a situation the fact that life is packaged in many distinct enclosures (and not in one big monolithic blob) can unfold its comparative advantage...
December 2018: Journal of Biological Dynamics
https://www.readbyqxmd.com/read/29774229/web-pages-what-can-you-see-in-a-single-fixation
#20
Ali Jahanian, Shaiyan Keshvari, Ruth Rosenholtz
Research in human vision suggests that in a single fixation, humans can extract a significant amount of information from a natural scene, e.g. the semantic category, spatial layout, and object identities. This ability is useful, for example, for quickly determining location, navigating around obstacles, detecting threats, and guiding eye movements to gather more information. In this paper, we ask a new question: What can we see at a glance at a web page - an artificial yet complex "real world" stimulus? Is it possible to notice the type of website, or where the relevant elements are, with only a glimpse? We find that observers, fixating at the center of a web page shown for only 120 milliseconds, are well above chance at classifying the page into one of ten categories...
2018: Cognitive Research: Principles and Implications
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