bluuebunny/crossref_metadata_2025_split huggingface dataset:
L’intervention en HLM
Authors: Parent André-Anne , Tourillon-Gingras Stéphanie 
Published: December 2019

Cet article présente les résultats d’une recherche sur les changements organisationnels et professionnels d’un organisme communautaire implanté dans trois HLM du quartier Ahuntsic, Montréal, Canada. À l’aide d’une approche d’évaluation développementale, les objectifs de ce projet étaient de 1) documenter les éléments facilitant et les facteurs contraignant les changements de pratiques ; 2) comprendre l’action du réseau local ; 3) soutenir les changements de pratique. Les résultats montrent que les changements ont aidé l’organisation à tisser des liens significatifs avec les résidents des HLM et à orienter leurs interventions vers une meilleure autonomisation. Néanmoins, des défis demeurent, notamment en ce qui a trait à la vision de l’intervention, les partenariats et la participation des résidents.
La perception des intervenants quant à l’implantation et l’adaptation du programme Intervention comportementale intensive dans le contexte réel d’un établissement québécois
Authors: Caron Valérie , Paquet Annie , Bérubé Annie 
Published: December 2019

L’intervention comportementale intensive (ICI) pour les jeunes enfants présentant un trouble du spectre de l’autisme est identifiée comme une pratique basée sur des données probantes (PBDP). Elle a été implantée en 2003 dans les services publics québécois à la suite d’une orientation donnée par le ministère de la Santé et des Services sociaux. Les écrits scientifiques mentionnent clairement les défis des milieux de pratique à implanter, à grande échelle, les PBDP dans les services courants, tout comme la nécessité d’en modifier certains éléments afin de les adapter aux contextes réels d’intervention dans lesquels elles s’implantent. Ce projet vise à documenter l’implantation de l’ICI à partir des représentations des intervenants en ce qui concerne les composantes essentielles de la fidélité de l’ICI, ainsi que des adaptations jugées favorables à sa mise en oeuvre. Ce travail s’inscrit dans le courant des recherches basées sur la pratique en utilisant le savoir des cliniciens comme source d’informations. Les propos de dix intervenants d’un établissement québécois ont été analysés en considérant les cinq dimensions du modèle de Dane et Schneider (1998) pour évaluer la fidélité d’implantation de programmes proposées : l’adhésion, le dosage, la qualité, la participation et la différenciation. Les résultats indiquent que les intervenants ont mis en place l’ICI en regard des caractéristiques essentielles, mais que certaines adaptations ont été effectuées pour favoriser son implantation dans le contexte réel d’un service de réadaptation.
L’alexithymie, une dimension de la personnalité à prendre en compte dans l’acquisition des compétences socio-émotionnelles chez des finissants stagiaires en éducation
Authors: Langevin René , Laurent Angélique , Lavoie Émilie 
Published: December 2019

Cette étude vise à déterminer la force d’association entre le niveau d’acquisition des compétences socio-émotionnelles (CSE) et le degré d’alexithymie d’un groupe de stagiaires de quatrième année inscrits dans un programme de formation à l’enseignement offert dans une université albertaine. Quarante-deux stagiaires (N=42, 23 femmes et 19 hommes) dont l’âge moyen était de 26,8 ans ont participé à l’étude. Afin de déterminer leur degré d’alexithymie, chaque participant a complété la 20-Item Toronto Alexithymia Scale (TAS-20). Les CSE (exprimer, identifier et comprendre ses émotions et celles d’autrui) ont, pour leur part, été mesurées à l’aide d’une grille d’évaluation développée par le service de la formation pratique du programme concerné au cours du dernier stage des participants. Les résultats font ressortir des corrélations négatives et significatives entre les sous-échelles « difficultés à identifier ses émotions » et « difficultés à décrire ses émotions » de la TAS-20 et les habiletés se rapportant à des CSE. Les résultats indiquent également que les stagiaires alexithymiques et alexithymiques intermédiaires obtiennent des scores significativement plus bas à chacune des échelles de satisfaction des habiletés associées à des CSE comparativement aux stagiaires non alexithymiques. Ces résultats viennent renforcer les préoccupations quant à la capacité des stagiaires alexithymiques et alexithymiques intermédiaires d’acquérir des CSE au même niveau que les stagiaires non alexithymiques dans le cadre de leur formation en enseignement. Enfin, cette étude vient également renforcer l’idée de la pertinence de créer un cours de niveau universitaire sur les CSE, cours qui devrait répondre convenablement aux besoins des stagiaires alexithymiques qui se destinent à l’enseignement ou à l’intervention psychosociale auprès d’enfants et d’adolescents présentant des problèmes de comportement.
The Effect of Procurement Practices on Service Delivery: A Case Study of VRA, Ghana
Authors: Anane Augustine , Adoma Victor , Awuah Gabriel 
Published: December 2019

This study was conducted to determine the effect of procurement policy, procurement planning and sustainable procurement on service delivery. The study employed a quantitative research approach and explanatory design. The target population for the study was staff and management of the Volta River Authority. Structured questionnaire was used to gather primary data. The study used SPSS version 32.0 for the data analyses. The study found that 73.6% variations in service delivery were explained by Procurement Policy, Procurement Planning and Sustainable Procurement. The study found that Procurement Policy (β = 0.623 ρ=0.000< 0.05) are significant determinants of service delivery thus a unit change in procurement policy will result in 62.3% change in service delivery. Procurement Planning (β = 0.027, ρ=0.080< 0.05) are significant determinants of service delivery thus a unit change in procurement planning will result in 2.7% change in service delivery. Sustainable Procurement (β = 0.39 ρ=0.000 < 0.05) are a significant determinant of service delivery. Thus a unit change in Sustainable Procurement will result in 39% change in service delivery. From the model estimation, procurement policy was the strongest predictor of service delivery followed by sustainable procurement and lastly procurement planning. The study revealed a strong significant positive correlation between procurement policy and service delivery. Moreover, the result showed a strong significant positive correlation between procurement planning and service delivery. Again the study found a significant positive correlation between sustainable procurement and service delivery. The study concludes that Procurement Policy, Procurement Planning and Sustainable Procurement significantly predict service delivery of VRA. The study recommends that the management of VRA must continuously invest in sustainable procurement, procurement planning and procurement policy to enhance service delivery to the public.
Efficacy of Cognitive Behavoural Therapy and Logotherapy in Reducing Risky Sexual Behaviour among in-School Adolescents in Benin Metropolis Edo State, Nigeria
Authors: Toyin Adeyemi Florence , Elizabeth Egbochuku Omotunde 
Published: December 2019

The study investigated the efficacy of Cognitive Behaviour Therapy and Logotherapy in reducing risky sexual behaviours among in-school adolescents in Benin Metropolis, Edo State. Four research questions were raised and formulated to hypotheses to guide the study. A Quasi-experimental design, using pre-test-post-test, and non-equivalent control group was adopted. The population of the study consisted of twenty thousand, four hundred and twenty SS 2 students. The sample consisted of one hundred and thirty five participants, which was selected through multi-stage sampling technique. Three schools were randomly selected from thirty one mixed public Senior Secondary Schools. One school was selected from each Local Government Area that made up the Metropolis. School A served as the experimental group for Cognitive Behaviour Therapy, comprising fifty five participants. School B served as the experimental group for Logotherapy, comprising thirty six participants. School C served as the control group, comprising forty four participants. The Adolescent Sexual Behaviour Inventory was used for both the pre-test and post-test. The reliability coefficient of 0.926 was obtained on the instruments. The data collected were analysed, using t-test, ANOVA and did a post-hoc analysis, using the Least Significant Difference. The findings showed that Cognitive Behaviour Therapy and Logotherapy were both slightly efficacious in reducing risky sexual behaviours among in-school adolescents in Benin Metropolis. The study recommended that counselling psychologists and school counsellors should be well trained in the use of CBT and LT in addressing risky behaviours, especially among adolescents.
High CD206 levels in Hodgkin lymphoma‐educated macrophages are linked to matrix‐remodeling and lymphoma dissemination
Authors: Arlt Annekatrin , von Bonin Frederike , Rehberg Thorsten , Perez‐Rubio Paula , Engelmann Julia C. , Limm Katharina , Reinke Sarah , Dullin Christian , Sun Xueni , Specht Rieke , Maulhardt Markus , Linke Franziska , Bunt Gertrude , Klapper Wolfram , Vockerodt Martina , Wilting Jörg , Pukrop Tobias , Dettmer Katja , Gronwald Wolfram , Oefner Peter J. , Spang Rainer , Kube Dieter 
Published: December 2019

Macrophages (Mφ) are abundantly present in the tumor microenvironment and may predict outcome in solid tumors and defined lymphoma subtypes. Mφ heterogeneity, the mechanisms of their recruitment, and their differentiation into lymphoma‐promoting, alternatively activated M2‐like phenotypes are still not fully understood. Therefore, further functional studies are required to understand biological mechanisms associated with human tumor‐associated Mφ (TAM). Here, we show that the global mRNA expression and protein abundance of human Mφ differentiated in Hodgkin lymphoma (HL)‐conditioned medium (CM) differ from those of Mφ educated by conditioned media from diffuse large B‐cell lymphoma (DLBCL) cells or, classically, by macrophage colony‐stimulating factor (M‐CSF). Conditioned media from HL cells support TAM differentiation through upregulation of surface antigens such as CD40, CD163, CD206, and PD‐L1. In particular, RNA and cell surface protein expression of mannose receptor 1 (MRC1)/CD206 significantly exceed the levels induced by classical M‐CSF stimulation in M2‐like Mφ; this is regulated by interleukin 13 to a large extent. Functionally, high CD206 enhances mannose‐dependent endocytosis and uptake of type I collagen. Together with high matrix metalloprotease9 secretion, HL‐TAMs appear to be active modulators of the tumor matrix. Preclinical in ovo models show that co‐cultures of HL cells with monocytes or Mφ support dissemination of lymphoma cells via lymphatic vessels, while tumor size and vessel destruction are decreased in comparison with lymphoma‐only tumors. Immunohistology of human HL tissues reveals a fraction of cases feature large numbers of CD206‐positive cells, with high MRC1 expression being characteristic of HL‐stage IV. In summary, the lymphoma‐TAM interaction contributes to matrix‐remodeling and lymphoma cell dissemination.
Using Metadynamics to Obtain the Free Energy Landscape for Cation Diffusion in Functional Ceramics: Dopant Distribution Control in Rare Earth‐Doped BaTiO3
Authors: Ward Robyn E. , Freeman Colin L. , Dean Julian S. , Sinclair Derek C. , Harding John H. 
Published: December 2019

AbstractBarium titanate is the dielectric material of choice in most multilayer ceramic capacitors (MLCCs) and thus in the production of ≈3 trillion devices every year, with an estimated global market of ≈$8330 million per year. Rare earth dopants are regularly used to reduce leakage currents and improve the MLCC lifetime. Simulations are used to investigate the ability of yttrium, dysprosium, and gadolinium to reduce leakage currents by trapping mobile oxygen defects. All the rare earths investigated trap oxygen vacancies, however, dopant pairs are more effective traps than isolated dopants. The number of trapping sites increases with the ion size of the dopant, suggesting that gadolinium should be more effective than dysprosium, which contradicts experimental data. Additional simulations on diffusion of rare earths through the lattice during sintering show that dysprosium diffuses significantly faster than the other rare earths considered. As a consequence, its greater ability to reduce oxygen migration is a combination of thermodynamics (a strong ability to trap oxygen vacancies) and kinetics (sufficient distribution of the rare earth in the lattice to intercept the migrating defects).
Advanced Bottom‐Up Engineering of Living Architectures
Authors: Gaspar Vítor M. , Lavrador Pedro , Borges João , Oliveira Mariana B. , Mano João F. 
Published: December 2019

AbstractBottom‐up tissue engineering is a promising approach for designing modular biomimetic structures that aim to recapitulate the intricate hierarchy and biofunctionality of native human tissues. In recent years, this field has seen exciting progress driven by an increasing knowledge of biological systems and their rational deconstruction into key core components. Relevant advances in the bottom‐up assembly of unitary living blocks toward the creation of higher order bioarchitectures based on multicellular‐rich structures or multicomponent cell–biomaterial synergies are described. An up‐to‐date critical overview of long‐term existing and rapidly emerging technologies for integrative bottom‐up tissue engineering is provided, including discussion of their practical challenges and required advances. It is envisioned that a combination of cell–biomaterial constructs with bioadaptable features and biospecific 3D designs will contribute to the development of more robust and functional humanized tissues for therapies and disease models, as well as tools for fundamental biological studies.
Enhanced CO2 Absorption in Organic Solutions of Biobased Ionic Liquids
Authors: Davarpanah Elahe , Hernández Simelys , Latini Giulio , Pirri Candido Fabrizio , Bocchini Sergio 
Published: December 2019

AbstractSolutions of biobased ionic liquids (ILs) for recovering CO2 from industrial flue gas are investigated. Four CO2 task‐specific choline‐based amino acids ([Cho][AA]): Alanine, Glycine, and, for the first time, Proline and Serine are tested. The drawbacks related to the high viscosity of these ILs are limited by applying dimethyl sulfoxide (DMSO) as a solvent, which is chosen because it is a polar aprotic liquid with a low toxicity, low vapor pressure, and relatively low price. The choline‐based amino acids synthesized in this study have good absorption capacities (up to 0.3 mol CO2/mol IL, with only 12.5 wt% IL in DMSO) that represent the best performance of CO2 task‐specific IL solutions to date. These solutions are competitive due to their low cost, low environmental impact, easy processability (due to their low viscosity) and good regenerability for the production and storage of pure CO2.
Printed Flexible Organic Transistors with Tunable Aspect Ratios
Authors: Sadeghi Mahsa , Delparastan Peyman , Pierre Adrien , Arias Ana Claudia 
Published: December 2019

AbstractA fabrication technique that allows aspect ratio modulation in a large array of organic thin film transistors (OTFTs) is demonstrated. In this design, discrete interdigitated source and drain electrodes can be individually selected to create a range of aspect ratios (W/L). It is shown that by increasing the aspect ratio, the drain current is increased respectively. Arrays of OTFTs are fabricated with a combination of inkjet printing and surface energy patterned blade coating. OTFTs with optimized aspect ratios are interconnected to form electronic circuits with the desired performance. A fabricated enhancement‐load inverter with selected aspect ratios of 2000 µm/50 µm for the drive OTFT and 250 µm/50 µm for the load transistor show good switching performance with a dc gain of approximately 6 at supply voltage of −20 V.
Layered Metal Hydroxides and Their Derivatives: Controllable Synthesis, Chemical Exfoliation, and Electrocatalytic Applications
Authors: Chen Gen , Wan Hao , Ma Wei , Zhang Ning , Cao Yijun , Liu Xiaohe , Wang Jun , Ma Renzhi 
Published: December 2019

AbstractLayered metal hydroxides (LMHs) are regarded as a novel and important class of inorganic functional materials. They have unique layered structure and variable chemical compositions that can be readily tuned. In this review, summarized are the recent advances of synthetic routes to the LMHs with designed morphology, composition, and function for electrocatalysis. Versatile products can be readily derived by hybridization, anion‐exchange, surface modification, self‐assembly, etc. More importantly, LMHs can be artificially exfoliated into unilamellar nanosheets with a molecular‐level thickness of about 1 nm versus 2D lateral size in submicrometer or micrometer scale. Molecular‐scale assembly can be then applied to fabricate superlattice‐like composites and functional nanofilms with high quality. The hydroxides can be transformed into oxides, nitrides, or other compounds via different preparation procedures, which can further extend their application prospects. In this regard, the most promising electrocatalysis‐related applications of LMHs and their derivatives are reviewed, such as oxygen evolution reaction, oxygen reduction reaction, hydrogen evolution reaction, CO2 reduction reaction, alcohol or urea electrooxidation, etc. At last, future challenges are also discussed from the aspect of synthesis and application, as well as encouraging advancements are anticipated.
Ultrathin Nanosheets of Oxo‐functionalized Graphene Inhibit the Ion Migration in Perovskite Solar Cells
Authors: Li Meng , Zuo Wei‐Wei , Wang Qiong , Wang Kai‐Li , Zhuo Ming‐Peng , Köbler Hans , Halbig Christian E. , Eigler Siegfried , Yang Ying‐Guo , Gao Xing‐Yu , Wang Zhao‐Kui , Li Yongfang , Abate Antonio 
Published: December 2019

AbstractMixed cation/halide perovskites have led to a significant increase in the efficiency and stability of perovskite solar cells. However, mobile ionic defects inevitably exacerbate the photoinduced phase segregation and self‐decomposition of the crystal structure. Herein, ultrathin 2D nanosheets of oxo‐functionalized graphene/dodecylamine (oxo‐G/DA) are used to solve ion migration in cesium (Cs)‐formamidinium (FA)‐methylammonium (MA) triple‐cation‐based perovskites. Based on the superconducting carbon skeleton and functional groups that provide lone pairs of electrons on it, the ultrathin 2D network structure can fit tightly on the crystals and wrap them, isolating them, and thus reducing the migration of ions within the built‐in electric field of the perovskite film. As evidence of the formation of sharp crystals with different orientation within the perovskite film, moiré fringes are observed in transmission electron microscopy. Thus, a champion device with a power conversion efficiency (PCE) of 21.1% (the efficiency distribution is 18.8 ± 1.7%) and a remarkable fill factor of 81%, with reduced hysteresis and improved long‐term stability, is reported. This work provides a simple method for the improvement of the structural stability of perovskite in solar cells.
Atomically Dispersed Mo Supported on Metallic Co9S8 Nanoflakes as an Advanced Noble‐Metal‐Free Bifunctional Water Splitting Catalyst Working in Universal pH Conditions
Authors: Wang Ligang , Duan Xinxuan , Liu Xijun , Gu Jing , Si Rui , Qiu Yi , Qiu Yaming , Shi Dier , Chen Fanhong , Sun Xiaoming , Lin Jianhua , Sun Junliang 
Published: December 2019

AbstractWater splitting requires development of cost‐effective multifunctional materials that can catalyze both the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) efficiently. Currently, the OER relies on the noble‐metal catalysts; since with other catalysts, its operation environment is greatly limited in alkaline conditions. Herein, an advanced water oxidation catalyst based on metallic Co9S8 decorated with single‐atomic Mo (0.99 wt%) is synthesized (Mo‐Co9S8@C). It exhibits pronounced water oxidization activity in acid, alkali, and neutral media by showing positive onset potentials of 200, 90, and 290 mV, respectively, which manifests the best Co9S8‐based single‐atom Mo catalyst till now. Moreover, it also demonstrates excellent HER performance over a wide pH range. Consequently, the catalyst even outperforms noble metal Pt/IrO2‐based catalysts for overall water splitting (only requiring 1.68 V in acid, and 1.56 V in alkaline). Impressively, it works under a current density of 10 mA cm−2 with no obvious decay during a 24 h (0.5 m H2SO4) and 72 h (1.0 m KOH) durability experiment. Density functional theory (DFT) simulations reveal that the synergistic effects of atomically dispersed Mo with Co‐containing substrates can efficiently alter the binding energies of adsorbed intermediate species and decrease the overpotentials of the water splitting.
Geochemical phenomena between Utica‐Point Pleasant shale and hydraulic fracturing fluid
Authors: Spencer Michael , Garlapalli Ravinder , Trembly Jason P. 
Published: December 2019

AbstractThis study evaluated geochemistry between the Utica‐Point Pleasant shale and reservoir/hydraulic fracturing fluid mixtures under simulated reservoir conditions in a batch reactor system. Analytical techniques were utilized to monitor fluid composition with time along with pre‐ and post‐trial shale microscopy and phase identification analyses. Formation of iron‐based precipitate was evident through results from fluid and material analyses. Ferrous iron was the predominant iron form found in the aqueous phase, with oxidation to ferric iron and subsequent precipitate formation. Geochemical modeling further supported ferric iron was the favorable phase for precipitation.
Broadening the phenotypic spectrum of Pearson syndrome: Five new cases and a review of the literature
Authors: Wild K. Taylor , Goldstein Amy C. , Muraresku Colleen , Ganetzky Rebecca D. 
Published: December 2019

AbstractPearson syndrome (PS) is a multisystem mitochondrial respiratory chain disorder typically characterized by sideroblastic anemia and exocrine pancreatic insufficiency. PS is caused by a single large‐scale mitochondrial DNA (mtDNA) deletion. PS classically presents in the first year of life and may be fatal in infancy. Children who survive PS may progress to develop Kearns–Sayre syndrome later in life. The full phenotypic spectrum and prognosis of the condition continue to evolve. Here we report five new patients with PS with unique clinical presentations, including four patients with onset later than previously reported in the literature, and one patient with prenatal onset of symptoms. The timing and unique features of these presentations support an expanded phenotypic spectrum of single large‐scale mtDNA deletion syndromes (SLSMDS) and reinforce the importance of including SLSMDS in the differential for children with complex multisystem presentations.