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https://www.readbyqxmd.com/read/27932919/metabarcoding-of-marine-nematodes-evaluation-of-reference-datasets-used-in-tree-based-taxonomy-assignment-approach
#1
Oleksandr Holovachov
BACKGROUND: Metabarcoding is becoming a common tool used to assess and compare diversity of organisms in environmental samples. Identification of OTUs is one of the critical steps in the process and several taxonomy assignment methods were proposed to accomplish this task. This publication evaluates the quality of reference datasets, alongside with several alignment and phylogeny inference methods used in one of the taxonomy assignment methods, called tree-based approach. This approach assigns anonymous OTUs to taxonomic categories based on relative placements of OTUs and reference sequences on the cladogram and support that these placements receive...
2016: Biodiversity Data Journal
https://www.readbyqxmd.com/read/27931961/imaging-of-connective-tissue-diseases-beyond-visceral-organ-imaging
#2
REVIEW
Maurizio Cutolo, Nemanja Damjanov, Barbara Ruaro, Ana Zekovic, Vanessa Smith
Connective tissues diseases (CTDs) can also be diagnosed early by "external" and safe imaging methods beyond the visceral organ analysis. This study aims to explore various imaging techniques used in diagnosing CTDs. Skin impairment in systemic sclerosis (SSc) may be recognized and studied by the modified Rodnan skin score (mRSS), which has some drawbacks, whereas high-frequency ultrasound (US) seems advantageous for the early identification of skin involvement. Salivary gland involvement in Sjögren syndrome (SS) can be assessed using standard tests such as unstimulated salivary flow test, salivary gland scintigraphy or contrast sialography...
August 2016: Best Practice & Research. Clinical Rheumatology
https://www.readbyqxmd.com/read/27929479/investigation-of-the-optimum-location-of-external-markers-for-patient-setup-accuracy-enhancement-at-external-beam-radiotherapy
#3
Payam Samadi Miandoab, Ahmad Esmaili Torshabi, Saber Nankali
In external beam radiotherapy, one of the most common and reliable methods for patient geometrical setup and/or predicting the tumor location is use of external markers. In this study, the main challenging issue is increasing the accuracy of patient setup by investigating external markers location. Since the location of each external marker may yield different patient setup accuracy, it is important to assess different locations of external markers using appropriate selective algorithms. To do this, two commercially available algorithms entitled a) canonical correlation analysis (CCA) and b) principal component analysis (PCA) were proposed as input selection algorithms...
November 8, 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/27924537/targeting-aflatoxin-biosynthetic-genes
#4
Ali Y Srour, Ahmad M Fakhoury, Robert L Brown
Chemical detoxification and physical destruction of aflatoxins in foods and feed commodities are mostly unattainable in a way that preserves the edibility of the food. Therefore, preventing mycotoxins in general and aflatoxins in particular from entering the food chain is a better approach. This requires early detection of the aflatoxin-causing organisms. Detection and quantification of aflatoxin-producing fungi has always been a challenge, especially within species of Aspergillus and Penicillium. Culture-based methods require a high level of expertise and a list of sophisticated equipment...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27924136/prognostic-value-of-inflammation-in-prostate-cancer-progression-and-response-to-therapeutic-a-critical-review
#5
REVIEW
Alessandro Sciarra, Alessandro Gentilucci, Stefano Salciccia, Federico Pierella, Flavio Del Bianco, Vincenzo Gentile, Ida Silvestri, Susanna Cattarino
Prostate is an immune-competent organ normally populated by inflammatory cells. Prostatic inflammation origin can be multi-factorial and there are some emerging evidences on its possible role as a factor involved in prostate cancer (PC) pathogenesis and progression. This review critically analyzes the role of inflammation as a prognostic factor for progression and aggressiveness of PC. We verified the last 10 years literature data on the association between inflammation and PC aggressiveness, or PC response to therapies...
2016: Journal of Inflammation
https://www.readbyqxmd.com/read/27922515/fatigue-measures-in-noncancer-gastrointestinal-disorders-a-critical-review
#6
Claire Jungyoun Han, Margaret M Heitkemper, Monica E Jarrett
Fatigue is commonly reported by patients with noncancer gastrointestinal (GI) disorders such as organic and functional GI disorders. This critical review was conducted to evaluate fatigue measures that have been used in these patients. A systematic search using six databases (PubMed, PsycINFO, EMBASE, CINAHL, ProQuest, and Cochrane Review) was conducted from January 2000 to June 2014, and evaluations and reviews of fatigue instruments were performed by two independent reviewers (author and medical librarian)...
November 2016: Gastroenterology Nursing: the Official Journal of the Society of Gastroenterology Nurses and Associates
https://www.readbyqxmd.com/read/27916176/functional-assessment-and-transplantation-of-the-donor-heart-after-circulatory-death
#7
Simon J Messer, Richard G Axell, Simon Colah, Paul A White, Marian Ryan, Aravinda A Page, Barbora Parizkova, Kamen Valchanov, Christopher W White, Darren H Freed, Euan Ashley, John Dunning, Martin Goddard, Jayan Parameshwar, Christopher J Watson, Thomas Krieg, Ayyaz Ali, Steven Tsui, Stephen R Large
BACKGROUND: After a severe shortage of brain-dead donors, the demand for heart transplantation has never been greater. In an attempt to increase organ supply, abdominal and lung transplant programs have turned to the donation after circulatory-determined death (DCD) donor. However, because heart function cannot be assessed after circulatory death, DCD heart transplantation was deemed high risk and never adopted routinely. We report a novel method of functional assessment of the DCD heart resulting in a successful clinical program...
December 2016: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/27913832/general-and-specific-combining-abilities-in-a-maize-zea-mays-l-test-cross-hybrid-panel-relative-importance-of-population-structure-and-genetic-divergence-between-parents
#8
A Larièpe, L Moreau, J Laborde, C Bauland, S Mezmouk, L Décousset, T Mary-Huard, J B Fiévet, A Gallais, P Dubreuil, A Charcosset
General and specific combining abilities of maize hybrids between 288 inbred lines and three tester lines were highly related to population structure and genetic distance inferred from SNP data. Many studies have attempted to provide reliable and quick methods to identify promising parental lines and combinations in hybrid breeding programs. Since the 1950s, maize germplasm has been organized into heterotic groups to facilitate the exploitation of heterosis. Molecular markers have proven efficient tools to address the organization of genetic diversity and the relationship between lines or populations...
December 2, 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/27911368/immunohistochemical-analysis-in-the-rat-central-nervous-system-and-peripheral-lymph-node-tissue-sections
#9
Milena Z Adzemovic, Manuel Zeitelhofer, Marianne Leisser, Ulricke Köck, Angela Kury, Tomas Olsson
Immunohistochemistry (IHC) provides highly specific, reliable and attractive protein visualization. Correct performance and interpretation of an IHC-based multicolor labeling is challenging, especially when utilized for assessing interrelations between target proteins in the tissue with a high fat content such as the central nervous system (CNS). Our protocol represents a refinement of the standard immunolabeling technique particularly adjusted for detection of both structural and soluble proteins in the rat CNS and peripheral lymph nodes (LN) affected by neuroinflammation...
November 14, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27909606/knowledge-levels-and-attitudes-of-people-living-in-the-city-centre-of-nev%C3%A5-ehir-on-organ-donation-and-transplantation
#10
Mehmet Akif Yazar, Mehmet Barış Açıkgöz
OBJECTIVE: The purpose of this descriptive study was to determine the knowledge levels and attitudes of people living in Nevşehir on organ donation (OD) and transplantation. METHODS: Data were collected using a questionnaire administered to 414 people residing in Nevşehir between February and May 2016. The primary and secondary endpoints of the present study were to determine the attitudes and knowledge levels of participants on OD and transplantation, respectively...
October 2016: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/27909155/extrapolation-techniques-evaluating-24-hours-of-average-electromagnetic-field-emitted-by-radio-base-station-installations-spectrum-analyzer-measurements-of-lte-and-umts-signals
#11
Stefano Mossetti, Daniela de Bartolo, Ivan Veronese, Marie Claire Cantone, Cristina Cosenza, Elisa Nava
International and national organizations have formulated guidelines establishing limits for occupational and residential electromagnetic field (EMF) exposure at high-frequency fields. Italian legislation fixed 20 V/m as a limit for public protection from exposure to EMFs in the frequency range 0.1 MHz-3 GHz and 6 V/m as a reference level. Recently, the law was changed and the reference level must now be evaluated as the 24-hour average value, instead of the previous highest 6 minutes in a day. The law refers to a technical guide (CEI 211-7/E published in 2013) for the extrapolation techniques that public authorities have to use when assessing exposure for compliance with limits...
December 1, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27909154/towards-a-novel-modular-architecture-for-cern-radiation-monitoring
#12
Hamza Boukabache, Michel Pangallo, Gael Ducos, Nicola Cardines, Antonio Bellotta, Ciarán Toner, Daniel Perrin, Doris Forkel-Wirth
The European Organization for Nuclear Research (CERN) has the legal obligation to protect the public and the people working on its premises from any unjustified exposure to ionising radiation. In this context, radiation monitoring is one of the main concerns of the Radiation Protection Group. After 30 y of reliable service, the ARea CONtroller (ARCON) system is approaching the end of its lifecycle, which raises the need for new, more efficient radiation monitors with a high level of modularity to ensure better maintainability...
November 30, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27907050/when-is-the-brain-dead-living-like-electrophysiological-responses-and-photon-emissions-from-applications-of-neurotransmitters-in-fixed-post-mortem-human-brains
#13
Michael A Persinger, Nicolas Rouleau, Nirosha J Murugan, Lucas W E Tessaro, Justin N Costa
The structure of the post-mortem human brain can be preserved by immersing the organ within a fixative solution. Once the brain is perfused, cellular and histological features are maintained over extended periods of time. However, functions of the human brain are not assumed to be preserved beyond death and subsequent chemical fixation. Here we present a series of experiments which, together, refute this assumption. Instead, we suggest that chemical preservation of brain structure results in some retained functional capacity...
2016: PloS One
https://www.readbyqxmd.com/read/27906655/methodology-considerations-in-phase-mapping-of-human-cardiac-arrhythmias
#14
Ramya Vijayakumar, Sunil K Vasireddi, Phillip S Cuculich, Mitchell N Faddis, Yoram Rudy
BACKGROUND: Phase analysis of cardiac arrhythmias, particularly atrial fibrillation, has gained interest because of the ability to detect organized stable drivers (rotors) and target them for therapy. However, the lack of methodology details in publications on the topic has resulted in ongoing debate over the phase mapping technique. By comparing phase maps and activation maps, we examined advantages and limitations of phase mapping. METHODS AND RESULTS: Seven subjects were enrolled...
November 2016: Circulation. Arrhythmia and Electrophysiology
https://www.readbyqxmd.com/read/27904520/a-diagnostic-one-step-real-time-reverse-transcription-polymerase-chain-reaction-method-for-accurate-detection-of-influenza-virus-type-a
#15
Mohammad Amin Behzadi, Mazyar Ziyaeyan, Abdolvahab Alborzi
INTRODUCTION: Influenza A is known as a public health concern worldwide. In this study, a novel one-step real-time reverse transcription polymerase chain reaction (rtRT-PCR) assay was designed and optimized for the detection of influenza A viruses. MATERIAL AND METHODS: The primers and probe were designed based on the analysis of 90 matrix nucleotide sequence data of influenza type A subtypes from the GenBank database of the National Center for Biotechnology Information (NCBI)...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27897985/a-novel-lighting-oled-panel-design
#16
Enyang Zhang, Weigao Xia, Xiaojian Yan
A novel OLED (organic light emitting diode) lighting panel, which uses a special layout design, can reduce the photolithography cycles and process costs and is more reliable. It only needs two steps of photolithography cycles, which include an ITO (InSnO compound transparent oxide) pattern and insulator pattern. There is no need for the metal bus pattern of the ordinary design. The OLED device structure is a type of red-green-blue (RGB)-stacked emitting layer that has a good color index and greater adjustability, which improves the performance of the device...
November 25, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27893569/development-and-validation-of-a-novel-motor-cognitive-assessment-strategy-of-compensatory-sit-to-stand-maneuvers-in-people-with-dementia
#17
Christian Werner, Stefanie Wiloth, Nele Christin Lemke, Florian Kronbach, Klaus Hauer
BACKGROUND AND PURPOSE: People with dementia show disease-specific sit-to-stand (STS) movement disorders, which relate to deficits of integrating cognitive aspects of motor processes into motor action organization. During STS training in rehabilitation therapy, compensatory STS movement maneuvers are taught aiming to improve patients' STS ability. Previous clinical STS measures do not address these maneuvers or assess cognitive aspects of their motor action organization. The purpose of this study was to develop and validate a motor-cognitive STS assessment instrument for people with dementia (Assessment of Compensatory Sit-to-Stand Maneuvers in People With Dementia, ACSID)...
November 23, 2016: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/27891068/can-mouse-imaging-studies-bring-order-to-autism-connectivity-chaos
#18
Adam Liska, Alessandro Gozzi
Functional Magnetic Resonance Imaging (fMRI) has consistently highlighted impaired or aberrant functional connectivity across brain regions of autism spectrum disorder (ASD) patients. However, the manifestation and neural substrates of these alterations are highly heterogeneous and often conflicting. Moreover, their neurobiological underpinnings and etiopathological significance remain largely unknown. A deeper understanding of the complex pathophysiological cascade leading to aberrant connectivity in ASD can greatly benefit from the use of model organisms where individual pathophysiological or phenotypic components of ASD can be recreated and investigated via approaches that are either off limits or confounded by clinical heterogeneity...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27888596/a-study-of-the-readiness-of-hospitals-for-implementation-of-high-reliability-organizations-model-in-tehran-university-of-medical-sciences
#19
Seyed Mohammad Hadi Mousavi, Hossein Dargahi, Sara Mohammadi
Creating a safe of health care system requires the establishment of High Reliability Organizations (HROs), which reduces errors, and increases the level of safety in hospitals. This model focuses on improving reliability through higher process design, building a culture of accreditation, and leveraging human factors. The present study intends to determine the readiness of hospitals for the establishment of HROs model in Tehran University of Medical Sciences from the viewpoint of managers of these hospitals...
October 2016: Acta Medica Iranica
https://www.readbyqxmd.com/read/27887796/vaccine-strategies-optimising-outcomes
#20
Karin Hardt, Paolo Bonanni, Susan King, Jose Ignacio Santos, Mostafa El-Hodhod, Gregory D Zimet, Scott Preiss
Successful immunisation programmes generally result from high vaccine effectiveness and adequate uptake of vaccines. In the development of new vaccination strategies, the structure and strength of the local healthcare system is a key consideration. In high income countries, existing infrastructures are usually used, while in less developed countries, the capacity for introducing new vaccines may need to be strengthened, particularly for vaccines administered beyond early childhood, such as the measles or human papillomavirus (HPV) vaccine...
December 20, 2016: Vaccine
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