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https://www.readbyqxmd.com/read/29787034/critical-preparation-and-readiness-to-support-future-change
#1
Elizabeth Curtis, Emma Duffy, Frank O'Rourke, Sylvia Huntley-Moore, Annabel Walsh, Ken Coogan, Catherine Comiskey
The challenging nature of change is well documented and adequate preparation before implementing a change initiative is critical to reducing resistance and increasing its chances of success. This article describes a service review conducted in preparation for possible change and improvement at an internationally ranked school of nursing and midwifery in an Irish tertiary education institution. The purpose of the review was to examine organisational structures and work activities, including pressures facing the administrative team that supports the school, and to establish whether operations were fit for purpose and capable of continuing to support the international ranking...
May 22, 2018: Nursing Management (Harrow)
https://www.readbyqxmd.com/read/29786974/embryonic-exposure-to-environmentally-relevant-concentrations-of-a-brominated-flame-retardant-reduces-the-size-of-song-control-nuclei-in-a-songbird
#2
Margaret L Eng, Viktoria Winter, John E Elliott, Scott A MacDougall-Shackleton, Tony D Williams
Environmental contaminants have the potential to act as developmental stressors and impair development of song and the brain of songbirds, but they have been largely unstudied in this context. 2,2',4,4',5-Pentabromodiphenyl ether (BDE-99) is a brominated flame retardant congener that has demonstrated endocrine disrupting effects, and has pervaded the global environment. We assessed the effects of in ovo exposure to environmentally relevant levels of BDE-99 on the neuroanatomy of the song-control system in a model songbird species, the zebra finch (Taeniopygia guttata)...
May 22, 2018: Developmental Neurobiology
https://www.readbyqxmd.com/read/29786958/variability-in-student-perceptions-of-mistreatment
#3
Samantha Ellis, Joel Purkiss, Emily Abdoler, Amanda Opaskar, Rajesh S Mangrulkar, Joseph C Kolars, Sally A Santen
BACKGROUND: As medical schools strive to improve the learning environment, it is important to understand medical students' perceptions of mistreatment. The purpose of this study was to explore student interpretations of previously reported mistreatment incidents to better understand how they conceptualise the interactions. METHODS: Medical students were presented with case scenarios of previously reported instances of mistreatment and asked to indicate their agreement as to whether the scenarios demonstrated mistreatment, using a five-point Likert scale (1, strongly disagree; 5, strongly agree)...
May 22, 2018: Clinical Teacher
https://www.readbyqxmd.com/read/29786943/integrating-a-comprehensive-dna-barcode-reference-library-with-a-global-map-of-yews-taxus-l-for-forensic-identification
#4
Jie Liu, Richard I Milne, Michael Möller, Guang-Fu Zhu, Lin-Jiang Ye, Ya-Huang Luo, Jun-Bo Yang, Moses Cheloti Wambulwa, Chun-Neng Wang, De-Zhu Li, Lian-Ming Gao
Rapid and accurate identification of endangered species is a critical component of bio-surveillance and conservation management, and potentially policing illegal trades. However, this is often not possible using traditional taxonomy, especially where only small or pre-processed parts of plants are available. Reliable identification can be achieved via a comprehensive DNA barcode reference library, accompanied by precise distribution data. However, these require extensive sampling at spatial and taxonomic scales, which has rarely been achieved for cosmopolitan taxa...
May 22, 2018: Molecular Ecology Resources
https://www.readbyqxmd.com/read/29786938/inhibition-and-kinetic-studies-of-lignin-degrading-enzymes-of-ganoderma-boninense-by-naturally-occurring-phenolic-compounds
#5
Arthy Surendran, Yasmeen Siddiqui, Halimi Mohd Saud, Nusaibah Syd Ali, Sivakumar Manickam
AIM: Lignolytic (Lignin degrading) enzyme, from oil palm pathogen Ganoderma boninense Pat. (Syn G. orbiforme (Ryvarden), is involved in the detoxification and the degradation of lignin in the oil palm and is the rate-limiting step in the infection process of this fungus. Active inhibition of lignin degrading enzymes secreted by G. boninense by various naturally occurring phenolic compounds and estimation of efficiency on pathogen suppression was aimed at. METHODS AND RESULTS: In our work, ten naturally occurring phenolic compounds were evaluated for their inhibitory potential towards the lignolytic enzymes of G...
May 22, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29786935/evaluation-of-pcr-primers-targeting-the-groel-gene-for-the-specific-detection-of-streptococcus-agalactiae-in-the-context-of-aquaculture
#6
W J Leigh, R N Zadoks, A Jaglarz, J Z Costa, G Foster, K D Thompson
AIMS: The aim of this study was to design a set of primers for specific detection and identification of Streptococcus agalactiae in polymerase chain reaction (PCR) that can detect a diverse range of S. agalactiae isolates from different hosts and that it is capable of discriminating between S. agalactiae and other species that are closely related or potentially present in aquaculture environments, notably Streptococcus iniae. METHODS AND RESULTS: Primers, based on the groEL2 gene of S...
May 22, 2018: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29786933/acute-generalized-exanthematous-pustulosis-due-to-terbinafine
#7
Casey L Ross, Alina Shevchenko, Nicholas K Mollanazar, Sylvia Hsu, Kiran Motaparthi
Acute generalized exanthematous pustulosis is a rare adverse cutaneous reaction characterized by the rapid appearance of numerous pustules arising on edematous, erythematous skin. It is commonly accompanied by fever and leukocytosis and usually resolves with discontinuation of the offending agent. Herein, acute generalized exanthematous pustulosis induced by terbinafine is described, followed by a brief review of the literature.
May 21, 2018: Dermatologic Therapy
https://www.readbyqxmd.com/read/29786932/bandgap-tunable-preparation-of-smooth-and-large-two-dimensional-antimonene
#8
Xin Wang, Junjie He, Benqing Zhou, Youming Zhang, Jiatao Wu, Rui Hu, Liwei Liu, Jun Song, Junle Qu
As a highly stable bandgap semiconductor, antimonene is an intriguing two-dimensional (2D) material in optoelectronics. However, its short layer distance and strong binding energy make it challenging to prepare high-quality large 2D antimonene; therefore, its predicted tunable bandgap has not been experimentally confirmed. In this work, we used a novel and simple approach to prepare smooth and large 2D antimonene with uniform layers through a pregrinding and subsequent sonication-assisted liquid-phase exfoliation process...
May 22, 2018: Angewandte Chemie
https://www.readbyqxmd.com/read/29786920/functional-carbon-nanofibers-with-semi-embedded-titanium-oxide-particles-via-electrospinning
#9
Guoqing Chang, Wajid Ullah, Yunfeng Hu, Liwei Lin, Xu Wang, Chang-Zhi Li
The formulation of optoelectronic components into 1D nanostructures allows the promotion of new materials with multifunctionalities. In this work, it is demonstrated that new synthesis of photocatalytic carbon nanofiber decorated with semi-embedded titanium oxide (TiO2 ), namely, TiO2 @carbon fiber, is conveniently accessed through the electrospinning of polyacrylonitrile polymer and TiO2 particle comixture, and then followed by photon-activated self-erosion to expose the embedded TiO2 and carbonization. The hybrid nanofibers are characterized by field emission scanning electron microscopy, transmission electron microscopy, and X-ray diffraction analysis...
May 22, 2018: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29786917/a-strategy-of-self-isolated-enhanced-emission-to-achieve-highly-emissive-dual-state-emission-for-organic-luminescent-materials
#10
Yanzi Xu, Lin Ren, Dongfeng Dang, Ying Zhi, Xiaochi Wang, Lingjie Meng
Currently, the commonly developed organic luminescent materials (OLMs) usually exhibit poor luminescent performance in aggregated solid states compared with their well-dissolved solution states, making it a tough goal to achieve the highly emissive dual-state emission. To overcome this limitation, "Self-Isolated Enhanced Emission" (SIEE) strategy through flexible alkyl chains to suppress the emission-quenched π-π stacking in solids is proposed here and based on this guideline, remarkable emission efficiency with photoluminescence quantum yields up to 99...
May 22, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29786916/herbal-medicine-as-a-promising-therapeutic-approach-for-the-management-of-vascular-dementia-a-systematic-literature-review
#11
REVIEW
Adel Ghorani-Azam, Samaneh Sepahi, Elham Khodaverdi, Seyed Ahmad Mohajeri
Vascular dementia (VaD) generally refers to memory deficits and cognitive abnormalities that are resulted from vascular disease. In this study, we aimed to systematically review the literature wherein therapeutic effects of medicinal plants have been studied on VaD. A systematic literature search was performed in the PubMed, Scopus, Web of Science, Google Scholar, and other databases using VaD, and medicinal plants as key terms. No strict inclusion criteria were defined, and almost all clinical studies were included...
May 22, 2018: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/29786915/reversible-oxidative-addition-reductive-elimination-of-si-h-bond-to-base-stabilized-silylenes-a-theoretical-insight
#12
Tsuyoshi Kato, Masayuku Nakagaki, Antoine Baceiredo, Shigeyoshi Sakaki
Although oxidative addition (O.A.) and reductive elimination (R.E.) are exceedingly important processes in organometallic chemistry, such processes are still extremely rare for main group element species. Here we report a theoretical study on the reaction of phosphine-stabilized silylenes with silanes which proceeds via reversible O.A./R.E. at room temperature. Of particular interest, this theoretical approach highlights the important role of the ligand, which can greatly affect kinetics and energy balance of the reaction...
May 22, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29786907/simulation-of-the-degradation-of-cyclic-ketene-acetal-and-vinyl-based-copolymers-synthesized-via-a-radical-process-influence-of-the-reactivity-ratios-on-the-degradability-properties
#13
Didier Gigmes, Paul H M Van Steenberge, Didier Siri, Dagmar R D'hooge, Yohann Guillaneuf, Catherine Lefay
The radical copolymerization of vinyl and cyclic ketene acetal (CKA) monomers is a promising way to prepare degradable vinyl polymers. The reactivity of the comonomer pair is known to be dependent of the vinyl monomer structure that requires to play with experimental conditions (feed ratio, overall monomer conversion, etc.) to target a desired cumulative (average) copolymer composition. Even if the materials are completely degradable, there is no information about the homogeneity of the degraded products. This theoretical study, using kinetic Monte Carlo simulations, allows simulating degradation at the molecular level...
May 22, 2018: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29786899/improved-stable-indocyanine-green-icg-mediated-cancer-optotheranostics-with-naturalized-hepatitis-b-core-particles
#14
Wenjun Shan, Ronghe Chen, Qiang Zhang, Jie Zhao, Binbin Chen, Xi Zhou, Shefang Ye, Shengli Bi, Liming Nie, Lei Ren
In recent years, hepatitis B core protein virus-like particle (HBc VLP) is an impressive biomaterial, which has attracted considerable attention due to favorable properties such as structural stability, high uptake efficiency, and biocompatibility in biomedical applications. Heretofore, only a few attempts have been made to apply it in physical, chemical, and biological therapy for cancer. In this study, a tumor-targeting RGD-HBc VLP is first fabricated through genetic engineering. For image-guided cancer phototherapy, indocyanine green (ICG) is loaded into RGD-HBc VLP via a disassembly/reassembly pathway and electrostatic attraction with high efficiency...
May 22, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29786898/adults-with-comorbid-posttraumatic-stress-disorder-alcohol-use-disorder-and-opioid-use-disorder-the-effectiveness-of-modified-prolonged-exposure
#15
Kelly R Peck, Julie A Schumacher, Paul R Stasiewicz, Scott F Coffey
Opioid use disorders (OUDs) are a growing problem in the United States. When OUDs co-occur with problematic drinking and posttraumatic stress disorder (PTSD), negative drug-related mental and physical health outcomes may be exacerbated. Thus, it is important to establish whether PTSD treatments with established efficacy for dually diagnosed individuals also demonstrate efficacy in individuals who engage in problematic drinking and concurrent opioid misuse. Adults who met DSM-IV-TR criteria for PTSD and alcohol dependence were recruited from a substance use treatment facility and were randomly assigned to receive either modified prolonged exposure (mPE) therapy for PTSD or a non-trauma-focused comparison treatment...
May 22, 2018: Journal of Traumatic Stress
https://www.readbyqxmd.com/read/29786880/metagenomic-study-of-bacterial-microbiota-in-persistent-endodontic-infections-using-next-generation-sequencing
#16
G Sánchez-Sanhueza, H Bello-Toledo, G González-Rocha, A T Gonçalves, V Valenzuela, C Gallardo-Escárate
AIM: To determine the bacterial microbiota in root canals associated with persistent apical periodontitis and their relationship with the clinical characteristics of patients using next-generation sequencing (NGS). METHODOLOGY: Bacterial samples from root canals associated with teeth having persistent apical periodontitis were taken from 24 patients undergoing root canal retreatment. Bacterial DNA was extracted, and V3-V4 variable regions of the 16S rRNA gene were amplified...
May 22, 2018: International Endodontic Journal
https://www.readbyqxmd.com/read/29786865/infection-with-phytopathogenic-bacterium-inhibits-melatonin-biosynthesis-decreases-longevity-of-its-vector-and-suppresses-the-free-radical-defense
#17
Yasser Nehela, Nabil Killiny
Vector-borne phytopathogenic bacteria may alter the reproductive fitness, survival, behavior, and metabolism of their vectors. Candidatus Liberibacter asiaticus (CLas) is associated with the Huanglongbing (HLB; also known as citrus greening disease), one of the most destructive citrus diseases worldwide, and transmitted by Asian citrus psyllid, Diaphorina citri (Insecta, Hemiptera, Liviidae). The genome sequencing of CLas revealed that it does not have the ability to synthesize tryptophan, the precursor of melatonin, and it must acquire it from its host plant or insect vector to achieve its biological processes, such as growth and multiplication...
May 22, 2018: Journal of Pineal Research
https://www.readbyqxmd.com/read/29786864/testing-the-roles-of-vertical-transmission-and-drought-stress-in-the-prevalence-of-heritable-fungal-endophytes-in-annual-grass-populations
#18
Brittany R Cavazos, Teresa F Bohner, Marion L Donald, Michelle E Sneck, Alan Shadow, Marina Omacini, Jennifer A Rudgers, Tom E X Miller
Beneficial inherited symbionts are expected to reach high prevalence in host populations, yet many are observed at intermediate prevalence. Theory predicts that a balance of fitness benefits and efficiency of vertical transmission may interact to stabilize intermediate prevalence. We established populations of grass hosts (Lolium multiflorum) that varied in prevalence of a heritable fungal endophyte (Epichloё occultans), allowing us to infer long-term equilibria by tracking change in prevalence over one generation...
May 22, 2018: New Phytologist
https://www.readbyqxmd.com/read/29786860/effect-of-cold-plasma-on-maintaining-the-quality-of-chub-mackerel-scomber-japonicus-biochemical-and-sensory-attributes
#19
Jing Chen, Sheng-Zhe Wang, Jun-Yu Chen, Dong-Zhi Chen, Shang-Gui Deng, Bin Xu
BACKGROUND: Atmospheric cold plasma (ACP) has emerged as a potential alternative to traditional methods for non-thermal food decontamination. However, little data are available about ACP treatment for seafood. In this study, dielectric barrier discharge (DBD) was applied to generate CP, and the aim of the study was to investigate the effectiveness of DBD-ACP on improving the quality of chub mackerel on the basis of chemical, microbial, and sensory characteristics. RESULTS: The effect of DBD-ACP on the quality of chub mackerel (Scomber japonicus) during storage was examined...
May 21, 2018: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29786855/speciation-of-bio-available-iodine-in-abalone-haliotis-discus-hannai-by-high-performance-liquid-chromatography-hyphenated-with-inductively-coupled-plasma-mass-spectrometry-using-an-in-vitro-method
#20
Han Sol Doh, Hyun Jin Park
Abalone is one of the most valuable marine products found in East Asia because it is rich in nutritious substances including iodine. In this study, the in vitro dialyzability approach was used to assess the bio-available iodine species in abalone. Iodide, iodate, 3-iodo-L-tyrosine (MIT), and 3,5-diiodo-L-tyrosine (DIT) were separated by high-performance liquid chromatography hyphenated with inductively coupled plasma-mass spectrometry (HPLC-ICP-MS). To assure the consistency, reliability, and accuracy of the data, the method was validated...
May 22, 2018: Journal of Food Science
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