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E Macken, S Van Dongen, S Francque, G Van Hal
BACKGROUND AND STUDY AIMS: In relation to recent implementation of colorectal cancer screening programs at the regional level, quality assessment of colonoscopy gains more interest in Belgium. In order to evaluate quality indicators of colonoscopies in Belgium, we retrospectively analysed data about colonoscopies performed between 2002-2010. PATIENTS AND METHODS: Coded data concerning number of medical procedures and polypectomy were provided by the Intermutualistic Agency (IMA)...
January 2018: Acta Gastro-enterologica Belgica
Dimitrios N Avtzis, Dimitrios Petsopoulos, George I Memtsas, Nickolas G Kavallieratos, Christos G Athanassiou, Maria C Boukouvala
In the present work, we sampled individuals of the processionary pine moth, Thaumetopoea pityocampa (Denis and Schiffermüller; Lepidoptera: Notodontidae) from different areas of Greece between 2014 and 2016. These samples were sequenced for a 760-bp long mtDNA COI locus and the haplotypes retrieved clearly showed that the occurrence of T. pityocampa in Greece is being considerably restricted, with only 8 individuals out of the 221 exhibiting T. pityocampa haplotypes and the rest being identified as T. pityocampa ENA clade haplotypes...
March 17, 2018: Journal of Economic Entomology
Oscar J Ponce, Gabriela Spencer-Bonilla, Neri Alvarez-Villalobos, Valentina Serrano, Naykky Singh-Ospina, Rene Rodriguez-Gutierrez, Alejandro Salcido-Montenegro, Raed Benkhadra, Larry J Prokop, Shalender Bhasin, Juan P Brito
Context: The efficacy and safety of testosterone replacement therapy (TRT) in hypogonadal men remain incompletely understood. Objective: To conduct a systematic review and meta-analysis of randomized clinical trials (RCT) to determine the effects of TRT on patient-important outcomes and adverse events in hypogonadal men. Data Sources: We searched Ovid MEDLINE, Ovid EMBASE, Ovid Cochrane Database of Systematic Reviews, Ovid Cochrane Central Register of Controlled Trials, and Scopus from inception to March 2th, 2017...
March 17, 2018: Journal of Clinical Endocrinology and Metabolism
Riza Eka Saputra, Yayuk Astuti, Adi Darmawan
This work investigated the synthesis of dimethoxydimethylsilane:tetraethoxysilane (DMDMS:TEOS) silica thin films as well as the effect of DMDMS:TEOS molar ratios and calcination temperature on hydrophobic properties of silica thin films and its correlation with the FTIR spectra behaviour. The silica thin films were synthesized by sol-gel method using combination of DMDMS and TEOS as silica precursors, ethanol as solvent and ammonia as catalyst, with DMDMS and TEOS molar ratio of 10:90, 25:75, 50:50, 75:25 and 90:10...
March 14, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
Karl Kuntzelman, L Jack Rhodes, Lillian N Harrington, Vladimir Miskovic
There is a broad family of statistical methods for capturing time series regularity, with increasingly widespread adoption by the neuroscientific community. A common feature of these methods is that they permit investigators to quantify the entropy of brain signals - an index of unpredictability/complexity. Despite the proliferation of algorithms for computing entropy from neural time series data there is scant evidence concerning their relative stability and efficiency. Here we evaluated several different algorithmic implementations (sample, fuzzy, dispersion and permutation) of multiscale entropy in terms of their stability across sessions, internal consistency and computational speed, accuracy and precision using a combination of electroencephalogram (EEG) and synthetic 1/ƒ noise signals...
March 18, 2018: Brain and Cognition
Shivaji Thadke, J Dinithi R Perera, V M Hridya, Kirti Bhatt, Ashif Yasin Shaikh, Wei-Che Hsieh, Mengshen David Chen, Chakicherla Gayathri, Roberto R Gil, Gordon S Rule, Arnab Mukherjee, Charles A Thornton, Danith H Ly
We report the development of a new class of nucleic acid ligands that is comprised of Janus bases and MPPNA backbone and is capable of binding rCAG-repeats in a sequence-specific and selective manner via, inference, bivalent H-bonding interactions. Individually, the interactions between ligands and RNA are weak and transient. However, upon the installation of C-terminal thioester and N-terminal cystine and the reduction of disulfide bond, they undergo template-directed native chemical ligation to form concatenated oligomeric products that bind tightly to the RNA template...
March 21, 2018: Biochemistry
Marcela Gonçalves, Michely Aline Rodrigues do Prado, Simone Santana da Silva, Karen da Silva Santos, Priscila Norié de Araujo, Cinira Magali Fortuna
OBJECTIVE: To analyze the interference of leprosy in women's life regarding work and daily life activities. METHOD: Exploratory qualitative study developed from semi-structured interviews and with the use of field diaries. The strategy of the organization of data was a thematic analysis of content and referential of the work process in health and gender. RESULTS: The themes presented are: "The leprosy pains", "Changes with the disease and adaptation at work and activities" and "Being a woman with leprosy"...
2018: Revista Brasileira de Enfermagem
Jan T Wollenberg, Jeff Ollerhead, Gail L Chmura
Salt marshes are highly effective carbon (C) sinks and have higher rates of soil C burial (per square meter) than terrestrial ecosystems. Marsh reclamation and anthropogenic impacts, however, have resulted in extensive losses of salt marshes. Restoration of marshes drained and "reclaimed" for agriculture (referred to in Canada as dykelands) and degraded marshes can generate C credits, but only if C burial is reliably quantified. To date, studies reporting on C burial rates have been limited primarily to restored marshes which are more than 10 years old...
2018: PloS One
Qiufeng Yan, Jianhui Zhang, Jun Huang, Ying Wang
Because little is known about the atomization theory of a micro-tapered aperture atomizer, we investigated the vibration characteristics of this type of atomizer. The atomization mechanism of a micro-tapered aperture atomizer was described, and the atomization rate equation was deduced. As observed via microscopy, the angle of the micro-tapered aperture changes with the applied voltage, which proved the existence of a dynamic cone angle. The forward and reverse atomization rates were measured at various voltages, and the influence of the micro-tapered aperture and its variation on the atomization rate was characterized...
March 21, 2018: Sensors
Alison Kaye, Sandra Lybrand, William L Chew
OBJECTIVE: To determine family-reported psychosocial stressors and social worker assessments and interventions within a comprehensive cleft team. DESIGN: Single-institution prospective provider-completed survey. PATIENTS: Four hundred one families seen by cleft team social worker over a 7-month period. RESULTS: Most families (n = 331; 83%) participated in the team social work assessment. At least 1 active psychosocial stressor was reported by 238 (72%) families, with 63 (19%) families reported 3 or more stressors...
January 1, 2018: Cleft Palate-craniofacial Journal
Nico E Knibbe, Elien Zwaenepoel, Hanneke Jj Knibbe, Dimitri Beeckman
The Danish automated Vendlet V5s repositioning system is intended to reduce pressure ulcer risk in patients and work-related musculoskeletal disorders (MSDs) in caregivers. In two Belgian nursing homes, 13 residents with mobility levels C, D and E experienced the repositioning system, operated by 35 caregivers, for 4 weeks. Data about skin condition, nursing time needed for repositioning and MSD symptoms were collected. The use of the repositioning system was not associated with the development of nor a reduction in skin problems; the study included residents who were vulnerable to or already had pressure ulcers...
March 22, 2018: British Journal of Nursing: BJN
Wei Ji, Xue Zhang, Jianzhang Zhao, Ye Gao, Wei Song, Yukihiro Ozaki
A simple and ultrasensitive surface-enhanced Raman scattering (SERS) assay for heparin detection has been demonstrated based on an in situ hot spot assembly method using N,N'-bis[3,3'-(trimethylammonium)propylamine]-3,4,9,10-perylenediimide (bis-quaternized perylene dye, abbreviated as BQPER). In this assay, a BQPER probe with two positive charges is employed as both Raman reporter and electrostatic bridge to cause the aggregation of citrate-capped Ag nanoparticles (Ag NPs), resulting in a strong SERS signal due to the formation of numerous hot spots in the gaps of the aggregates...
March 21, 2018: Analyst
Bright S Ashimatey, Brett J King, Victor E Malinovsky, William H Swanson
SIGNIFICANCE: Glaucomatous nasal visual field abnormalities correspond to damage in the temporal raphe-where individual nerve bundles can be visualized. The ability to quantify structural abnormality in the raphe, with a clinically applicable protocol, sets the stage for investigating the raphe as a potential site for assessing early glaucoma. PURPOSE: To develop a clinically applicable imaging and analysis technique for identifying retinal nerve fiber bundle abnormalities in the temporal raphe...
March 21, 2018: Optometry and Vision Science: Official Publication of the American Academy of Optometry
Fang-He Ju, Ting-Zhen Xu, Hui-Hua Hong, He Mao, Meng Wang, Zhen Wang
RATIONALE: Behcet disease(BD) and Sjogren syndrome(SS) are separate conditions that rarely concomitantly affect an individual. In theory,mild symptoms of patients with BD or SS are easy to igore and,thus,remain undiagnosed. There,it is reasonable to believe there may be some clinical cases of combined diseases that go undiscovered and which needs to be taken seriously. In addition,it has been suggested that herpes simplex virus(HSV) types 1 and 2 are associated with BD,but have not been shown to be correlated to the direct pathogenesis of BD...
March 2018: Medicine (Baltimore)
Kenneth Jay, Lars L Andersen
Work-related musculoskeletal pain and stress are both highly prevalent in the working environment and relate well to the biopsychosocial model. While the onset of musculoskeletal pain is often dependent on the biological element of the biopsychosocial model, chronic pain is often influenced by psychological and social factors. Similarly, stress is also influenced by biological, psychological, and social factors. This study investigates the possibility of social capital being a buffer for stress and musculoskeletal pain in a group of female laboratory technicians...
March 2018: Medicine (Baltimore)
Susan M Tarlo, Piero Maestrelli
No abstract text is available yet for this article.
March 19, 2018: Current Opinion in Allergy and Clinical Immunology
Ashwani Kumar Singh, Ajit Kumar, Krishna Kamal Haldar, Vinay Gupta, Kedar Singh
This work reports a detail study of reduced graphene oxide (rGO)-Fe3O4 nanoparticles composite as an excellent electromagnetic interference shielding (EMI) material in GHz range. rGO-Fe3O4 nanoparticles composite was synthesized using facile, one step, and modified solvothermal method with the reaction of FeCl3, ethylene di amine and graphite oxide powder in presence of ethylene glycol. Various structural, microstructural and optical characterization tools were used to determine its synthesis and various properties...
March 21, 2018: Nanotechnology
Marilys Guillemin, Emma Barnard, Anton Allen, Paul Stewart, Hannah Walker, Doreen Rosenthal, Lynn Gillam
Relationships of trust between research participants and researchers are often considered paramount to successful research; however, we know little about participants' perspectives. We examined whom research participants trusted when taking part in research. Using a qualitative approach, we interviewed 36 research participants, including eight Indigenous participants. Thematic analysis was used to analyze the data. This article focuses on findings related to non-Indigenous participants. In contrast to Indigenous participants, non-Indigenous participants placed their trust in research institutions because of their systems of research ethics, their reputation and prestige...
March 1, 2018: Journal of Empirical Research on Human Research Ethics: JERHRE
Wolf Osterode, Sandra Schranz, Galateja Jordakieva
Mental and physical stress is common in physicians during night shifts. Neurocognitive effects of sleep deprivation as well as alterations in hormonal and metabolic parameters have previously been described. The aim of this crossover study was to evaluate the effects of night-shift work with partial sleep deprivation on steroid hormone excretion and possible associations with mood, sleep characteristics and cognitive functions in physicians. In total, 34 physicians (mean age 42 ± 8.5 years, 76.5% male) from different departments of the General Hospital of Vienna, Austria, were randomly assigned to two conditions: a regular day shift (8 h on duty, condition 1) and a continuous day-night shift (24 h on duty, condition 2)...
March 21, 2018: Chronobiology International
Nicole M Mews, Gerald Hörner, Hartmut Schubert, Andreas Berkefeld
The chemistry of radical-ligand complexes of the transition metals has developed into a vibrant field of research that spans from fundamental studies on the relationship between the chemical and electronic structures to applications in catalysis and functional materials chemistry. In general, fine-tuning of the relevant properties relies on an increasingly diversifying pool of radical-proligand structures. Surprisingly, the variability of the conformational freedom and the number of distinct bonding modes supported by many radical proligands is limited...
March 21, 2018: Inorganic Chemistry
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