bluuebunny/crossref_metadata_2025_split huggingface dataset:
NOTAS PARA UMA GEOMETRIA DA INOCÊNCIA EM MARIA GABRIELA LLANSOL
Authors: Russo Cinzia 
Published: July 2019

Resumo: O artigo aborda o tema da polissemia do «toque» na obra de Maria Gabriela Llansol e do grande poder criador que possui essa acção. O «toque» inocente abre caminho para um outro espaço originário e imaginante de jogo e de conhecimento. Abre a “porta” a que a autora chama o «mútuo», um lugar de encontro e de conversa amorosa, onde o amor nos espera a sós. Qualquer ser que passe por aquela «porta», sabe que tem uma possibilidade de crescimento segundo a sua própria lei. Ninguém pode renunciar a sua própria lei de crescimento, sob pena de morrer: essa é a sua maneira de viver nesse espaço. O encontro com o «mútuo» «proporciona» a cada ser a possibilidade de seguir o seu fim específico. Viver assim significa ter uma magnífica capacidade de conhecer e uma extraordinária apetência de conhecimento. «Nesse espaço, viver é ir à procura do conhecer». Procuremos viver. Vamos viver no querer conhecer.
Abstract: The theme of this article is the polysemy of «touch» in the work of Maria Gabriela Llansol and the great creative power that this action has. The innocent «touch» opens a way to another original and imaginary space of playing and of knowledge. It opens the «door» that the author calls the «mutual», a place of meeting and loving conversation, where love awaits us alone. Any person who passes through that «door» knows that he or she has a possibility of growth according to his or her own law. No one can renounce his or her own law of growth, on penalty of dying: that law is his or her peculiar way of living in that space. The encounter with the «mutual» gives each being the possibility of following its specific purpose. To live this way means to have a magnificent capacity to know and an extraordinary appetite for knowledge. «In this space, to live is to search with the aim to knowing.» Let’s try to live. Let’s live in the aiming to know.
Music therapy as a subject in grade studies in nursing
Authors: López Núñez Norberto , Seva Llor Ana Myriam , Ruiz Carreño Paula , Ramis Vidal Guillermo , Martínez Alarcón Laura 
Published: July 2019

Introducción: La musicoterapia se entiende por el uso de la música o sus elementos con fines terapéuticos. Su empleo en la enfermería es escaso más allá del uso de la intervención NIC 4400. Objetivo: Conocer y analizar el grado de aceptación por parte de los estudiantes de enfermería ante la posible inclusión de la musicoterapia como asignatura en los programas educativos de los estudios de Grado en Enfermería. Método: Se ha realizado un estudio observacional descriptivo de corte transversal con una muestra n=346 participantes.Resultados: Los resultados muestran que el 93,93% de los alumnos sí incluirían la musicoterapia como una asignatura Optativa en los estudios de Grado en Enfermería, haciendo uso de ella en su futuro profesional.
Introduction: Music therapy is understood by the use of music or its elements for therapeutic purposes. Its use in nursing is scarce beyond the use of the NIC 4400 intervention. Objective:The research aims to know and analyze the degree of acceptance by nursing students regarding the possible inclusion of music therapy as a subject in the educational programs of the Nursing Degree studies.Method: A cross-sectional, observational, descriptive study was carried out with a sample of n=346 participants. Conclusion: The results show that 93.93% of the students did include music therapy as an optional subject in Nursing Degree studies, making use of it in their professional future.
Common Findings in Ultrasound Examination of the Liver and Kidney in Sokoto Metropolis
Authors: Abubakar U. , Marafa S. M. , Nwodo V. K. ` , Sadiq A. A. , Akpaniwo G. M. , Mohammed A. , Mohammed D. , Yusuf I. I. , Gurama A. D. 
Published: July 2019

Objectives: To evaluate and document common findings in ultrasound examination of the liver and kidneys in Sokoto metropolis and to reveal gender and age distribution of the findings in these organs.
Materials and Methods: The data was collected retrospectively from the hospital archives and records using a data capture sheet.
Results: Total sample of 322 ultrasound reports of the liver and kidneys in which some patients had two findings, one in the liver and another in the kidney, some had liver findings only, some kidney findings only, while some had normal ultrasound examination. Liver findings recorded a dominant male gender with a frequency of 75 (70.1%). Findings in the liver reported were liver cirrhosis, hepatomegaly, fatty liver, primary liver cell carcinoma, hepatic metastasis, chronic liver disease (CLD), hepatitis, hepatoma and liver cyst. Liver cirrhosis had the highest frequency with 29 (27.1%), hepatomegaly with a frequency of 17 (15.9%) followed by fatty liver and plcc with a frequency of 13 (12.1%) each. The age range of 40-49 years had the highest frequency for the liver findings with 23 (21.5%), followed by 60-69 years with 18 (16.8%) while 10-19 years had the least frequency with 3 (2.8%). For the kidney findings, male gender also dominated the findings with a frequency of 107 (64.1%). The age range that had the highest frequency was 20-29 years with 43 (25.7%), followed by 30-39 years with a frequency of 27 (16.2%). The age range with the least frequency was 80-89 years with 6 (3.6%). The pathological kidney findings reported were pyelonephritis, renal parenchyma disease (grades I, II, III, and IV), hydronephrosis, renal calculi, renal cyst, ectopic kidney, renal mass, renal failure and nephrotic syndrome. Pyelonephritis was recorded as the commonest finding with a frequency of 67 (40.1%), followed by renal parenchymal disease with 35 (21.0%).
Conclusion: The study revealed that male gender is at higher risk of having both liver and kidney diseases in Sokoto metropolis than the female and the age of those at higher risk ranged from 20-49 years.
Liver cirrhosis and pyelonephritis are the commonest diseases of the liver and kidneys respectively.
Modular Synthesis of Bicyclic and Tricyclic (Aza‐) Arenes from Nucleophilic (Aza‐)Arenes with Electrophilic Side Arms via [4+2] Annulation Reactions
Authors: Huang Wenbo , Chen Shaomin , Yang Jian , El‐Harairy Ahmed , Wang Xin , Li Minghao , Gu Yanlong 
Published: July 2019

AbstractAn efficient strategy for the synthesis of bicyclic and tricyclic (aza‐)arenes from a nucleophilic (aza‐)arene with an electrophilic side arm was developed. The (aza‐)arene precursor has both nucleophilic and electrophilic sites, which were fixed at a 1,4‐distance. The bicyclic and tricyclic (aza‐)arene products were constructed via [4+2] annulation by using scandium(III) triflate as a catalyst and enolizable ketones or aldehydes as the counterpart reagents. A variety of six‐membered carbocycles and heterocycles, such as indolizines, indoles, naphthalenes, carbazoles, and pyrido[1,2‐α]indoles, were successfully synthesized. Some one‐pot sequential reactions were also developed, in which the 1,4‐donor‐acceptor precursors can be synthesized via oxidation of alcohols or a proper condensation reaction.magnified image
Promoted dispersion of silica and interfacial strength in rubber/silica composites by grafting with oniums
Authors: Weng Peijin , Tang Zhenghai , Huang Jing , Wu Siwu , Guo Baochun 
Published: July 2019

ABSTRACTThe dispersion of filler and interfacial interaction are crucial in determining the properties of rubber composites. Aiming to improve the dispersion and filler–rubber interaction, we introduce rubber graft bearing oniums in a rubber/silica composite. To fulfill this goal, the graft, which is prepared via thio‐ene click reaction between 1‐methylimidazolium mercaptopropionate (MMP) and the pendent vinyl groups of a solution‐polymerized styrene‐butadiene rubber (SSBR), is introduced into the silica‐filled styrene‐butadiene rubber (SBR) composite. The dispersion of silica and interfacial interaction are improved via hydrogen bonding interaction. Moreover, the graft exhibits catalytic effect toward the silanization, which can improve interfacial interaction in the composites with bis [3‐(triethoxysilyl) propyl] tetrasulfide. With 2 phr of the graft, the tensile modulus (stress at 300% strain) is increased by 18% and the abrasion loss is decreased by 31%. This study opens a new attempt to improve the filler dispersion and filler–rubber interaction in the composites with onium‐bearing polymers. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48243.
Rheological characterization of filled polyamide 11 and polyamide 12 solutions in polyols
Authors: Patankar Kshitish A. , Ginzburg Valeriy V. , Billovits Gerald F. 
Published: July 2019

ABSTRACTA thorough understanding of the rheological properties of real‐world, formulated polymer melts and solutions is important to fabricate articles via typical melt processing techniques. Polyamides have been studied extensively in the area of water purification applications. In this work, the viscosity of these homogeneous polyamide 11 and polyamide 12 solutions in specific polyols was measured in the single phase region as a function of shear rate and temperature via capillary rheometry. In addition, the viscosity of the same polyamide solutions containing various levels of dispersed, nanoscale calcium carbonate particles was characterized in order to understand the rheology of the filled systems. Viscosity‐reduced shear rate master curves were constructed by applying the principle of time–temperature superposition, and the activation energies were measured for the polyamide‐polyol solutions. The observed increase in viscosity caused by the addition of nanofiller could not be explained by simply applying a vertical shift to the master curve, and a density exponent was required to account for the stiffening mechanism. Also, the dependence of the relative viscosity on the filler loading was shown to be consistent with the hypothesis that the filler particles were organized in the form of small fractal aggregates. The filled polyamide 11 systems exhibited higher relative viscosities than the filled polyamide 12 systems, indicating a higher level of particle aggregation and larger mean cluster size for the filled polyamide 11 systems. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48244.
Chitosan‐based double network hydrogels with self‐healing and dual‐responsive shape memory abilities
Authors: Fu Beijia , Cheng Baoxiao , Jin Xiaoqiang , Bao Xiaojiong , Wang Zhengke , Hu Qiaoling 
Published: July 2019

ABSTRACTChitosan‐based single network hydrogels with imine bonds have excellent self‐healing capability, while poor mechanical properties limit their applications. Here, chitosan‐polyacrylamide‐based double network hydrogels were prepared via in situ free‐radical polymerization of acrylamide in the presence of N‐carboxyethyl chitosan (CEC) and dibenzaldehyde‐terminated telechelic poly(ethylene glycol), which had excellent mechanical properties, self‐healing, and dual‐responsive shape memory abilities. The maximum tensile strength and elongation at break could reach 460 kPa and 4600%, respectively. Meanwhile, owing to the reversibility of imine bonds, elongation and strength at break of hydrogels could heal by 84.2 and 93.2% under alkali stimulation at 35 °C, respectively. Furthermore, the hydrogels also had good shape memory abilities for pH‐stimuli responsiveness of the imine bonds and metal ions stimuli responsiveness of CEC. The prepared chitosan‐based functional hydrogels have great potential application prospects in tissue scaffolds, actuators, and wearable devices. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48247.
Fiber formation and properties of polyester/lignin blends
Authors: Pospiech Doris , Korwitz Andreas , Eckstein Kathrin , Komber Hartmut , Jehnichen Dieter , Suckow Marcus , Lederer Albena , Arnhold Kerstin , Göbel Michael , Bremer Martina , Hoffmann Anton , Fischer Steffen , Werner Anett , Walther Thomas , Brünig Harald , Voit Brigitte 
Published: July 2019

ABSTRACTThermotropic liquid crystalline polyesters with varied chemical structure are synthesized by melt transesterification polycondensation. They are employed as matrix for blends with lignin materials to obtain melt‐spinnable precursors for carbon fibers. The lignin samples are carefully purified by fractionation, enzymatic removal of reducing sugars, and subsequent modification of the terminal OH groups. Effective melt blending is achieved with liquid‐crystalline aromatic–aliphatic polyesters having melting ranges that match the softening temperature of the lignin fractions, which is necessary to prevent thermal decomposition of the lignin. Polyester/lignin blends are partially compatibilized, phase‐separated materials. The polyester/lignin materials are melt‐spun successfully. The fiber properties depend on the lignin purification process. X‐ray scattering reveals that orientation in lignin‐containing fibers is maintained. First experiments show that the fibers can be converted successfully to carbon fibers by thermal annealing procedures. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48257.
Emerging roles for high‐density lipoproteins in neurodegenerative disorders
Authors: Bahrami Afsane , Barreto George E. , Lombardi Gemma , Pirro Matteo , Sahebkar Amirhossein 
Published: July 2019

AbstractLipoproteins are the complexes of different lipids and proteins, which are devoted to the transport and clearance of lipids or lipid‐related molecules in the circulation. Lipoproteins have been found to play a crucial role in brain function and may influence myelination process. Among lipoproteins, high‐density lipoproteins (HDLs) and their major protein component, apoA‐I, are directly involved in cholesterol efflux in the brain. It has been suggested that inadequate or dysfunctional brain HDLs may contribute to cerebrovascular dysfunctions, neurodegeneration, or neurovascular instability. HDL deficiency could also promote cognitive decline through impacting on atherosclerotic risk. The focus of this review is to discuss knowledge on HDL dysregulation in neurological disorders. A better understanding on how changes in cellular HDL and apolipoprotein homeostasis affect central nervous system function may provide promising novel avenues for the treatment of specific HDL‐related neurological disorders.
Pharmacokinetics, bioavailability and tissue distribution studies of rhodojaponin III in mice using QTRAP LC–MS/MS
Authors: Zhang Ji‐Quan , Zhao Chun‐Cao , Yang Qing‐Yun , Liang Shuang , Wu Fei , Ma Bing‐Liang , Feng Yi 
Published: July 2019

AbstractRhodojaponin III is a bioactive diterpenoid isolated from the medicinal plant Rhododendron molle G. Don. Quantitative analysis of rhodojaponin III was challenging and the pharmacokinetics of oral rhodojaponin III remained to be investigated. Here, a rapid and sensitive liquid chromatography tandem mass spectrometric (LC–MS/MS) method was developed and validated. The calibration curve was linear over the concentration range of 1–200 ng/mL (r = 0.992). The method was further validated following internationally approved guidelines and all the issues including intra‐ and inter‐day precision, accuracy, carryover, extraction recovery, matrix effects and stability met the recommended limits. The method was then applied to study the pharmacokinetics of rhodojaponin III in mice after intravenous (0.06 mg/kg) or oral (0.24 mg/kg) administration. The results showed that rhodojaponin III had fast oral absorption (time to peak concentration, 0.08 h) and good oral bioavailability (73.6%). In addition, rhodojaponin III was quickly eliminated after it was intravenously or orally administered, with half‐life values of 0.19 and 0.76 h, respectively. After oral administration, it was widely distributed in tissues including kidney, lung, heart, spleen and thymus, but had extremely low concentrations in liver and brain. The data presented in this study is beneficial for the further study of rhodojaponin III.
Long‐term (5‐year) clinical evaluation of the Resolute zotarolimus‐eluting coronary stent: The RESOLUTE US clinical trial
Authors: Kirtane Ajay J. , Yeung Alan C. , Ball Michael , Carr Jeffrey , O'Shaughnessy Charles , Mauri Laura , Liu Minglei , Leon Martin B. 
Published: July 2019

AbstractObjectivesTo assess the long‐term safety and efficacy of the Resolute zotarolimus‐eluting stent (R‐ZES).BackgroundThe R‐ZES has been associated with low rates of adverse events over short‐intermediate term follow‐up. However, reliable assessment of the safety and efficacy of any implanted device requires long‐term evaluation.MethodsThe RESOLUTE US trial was a prospective, observational study conducted at 116 U.S. sites and enrolled patients with de novo coronary lesions. Patients were followed clinically for 5 years with independent event adjudication and data monitoring.ResultsA total of 1,402 patients (1,573 lesions) were enrolled; 34% had diabetes mellitus and 75% had ACC type B2/C lesions. The 5‐year rate of target lesion failure (TLF) was 12.3%, target lesion revascularization was 6.5%, target vessel myocardial infarction was 3.2%, and cardiac death was 4.1%. Dual antiplatelet therapy usage was 94% at 1 year and 47% at 5 years, with a 0.1% and 0.5% respective incidence of definite or probable stent thrombosis. The 5‐year rate of TLF was 16.9% among patients with diabetes mellitus and 14.7% in patients with at least one small (≤2.5 mm) vessel treated. Covariates independently associated with 5‐year TLF in multivariable analysis included diabetes mellitus (odds ratio [OR] 1.89, p < .001), prior coronary artery bypass grafting (OR 2.28, p < .001), prior myocardial infarction (OR 1.85, p = .002), and smaller reference vessel diameter (OR 1.75, p = .004).ConclusionsResults from the fully adjudicated and monitored RESOLUTE US trial demonstrate long‐term 5‐year safety and efficacy of the R‐ZES stent among a relatively low‐risk population of patients, including a 0.5% rate of stent thrombosis at 5 years.
Instrumental variable estimation in ordinal probit models with mismeasured predictors
Authors: Guan Jing , Cheng Hongjian , Bollen Kenneth A. , Thomas D. Roland , Wang Liqun 
Published: July 2019

AbstractResearchers in the medical, health, and social sciences routinely encounter ordinal variables such as self‐reports of health or happiness. When modelling ordinal outcome variables, it is common to have covariates, for example, attitudes, family income, retrospective variables, measured with error. As is well known, ignoring even random error in covariates can bias coefficients and hence prejudice the estimates of effects. We propose an instrumental variable approach to the estimation of a probit model with an ordinal response and mismeasured predictor variables. We obtain likelihood‐based and method of moments estimators that are consistent and asymptotically normally distributed under general conditions. These estimators are easy to compute, perform well and are robust against the normality assumption for the measurement errors in our simulation studies. The proposed method is applied to both simulated and real data.The Canadian Journal of Statistics47: 653–667; 2019 © 2019 Statistical Society of Canada
Investigation on new color depth formulas
Authors: Yang Hongying , Xie Wanzi , Yang Zhihui , Zhou Jinli , Zhang Jingjing , Hui Zhikui , Pan Ning 
Published: July 2019

AbstractColor depth is difficult to evaluate; however, it plays an important role in the assessments of color fastness, dyeing properties, and so on. The subjective evaluation of color depth is prone to be affected by people, environment, etc. As for objective evaluation, there are more than 10 formulas, which confuses the user. In this study, a theoretically designed new formula is inspected through 18195 chips with 24 grades of color depth from the SINO COLOR BOOK, with the help of four preferable objective evaluation formulas. The specimens were measured using an X‐Rite Color i7 spectrophotometer, and all their depth values were calculated and statistically analyzed by programming MATLAB. Of the five formulas, the new formula yields the best outcome of variance coefficients (CVs) but the worst linearity, with a correlation coefficient R = 0.976. It was then theoretically revised to two other formulas, one obtains the highest linearity (R = 0.9997) and the third CV, and the other gains the second linearity (R = 0.9984) and the second CV among the seven formulas. Besides, the three new formulas are not as sensitive as the others to the changes of Hue and Chroma. In general, the new revised formulas show potential and need to be further evaluated.
Color and visual complexity in abstract images: Part II
Authors: Kocaoğlu Aslanoğlu Rengin , Olguntürk Nilgün 
Published: July 2019

AbstractThere are a limited number of studies examining color, visual complexity, and visual interest together, and one of the recent studies that tried to bring a new understanding to the association between color, visual complexity, and visual interest was the first part of the current study. Most of the well‐known color studies researching the effects of color on psychology, physiology, emotion, mood, attention, well‐being, visual complexity, and visual interest used isolated color patches that might be lacking in reflecting the dominating factors. Thus, the aim of this study was to find the relationship between visual complexity, visual interest, and color difference (ΔE) values of colors in abstract images, and it was hypothesized that, as the average ΔE value of colors in an abstract image increases, visual interest and visual complexity will increase until reaching a threshold where visual interest and visual complexity start to decrease. In order to test the hypothesis, a new abstract image was generated and colored. The generated abstract image was rated by 120 undergraduate students from the Faculty of Art, Design and Architecture. As the results of the study indicated, there was an inverted U‐curve relationship between average ΔE values and both visual interest and visual complexity in abstract images.
Combined administration of microdoses of growth hormone and erythropoietin: Effects on performance and evaluation of GH detection capability using anti‐doping methods
Authors: Marchand Alexandre , Martin Jean‐Antoine , Collot David , Hoang Olivier , Roulland Ingrid , Semence Florian , Sottas Pierre‐Edouard , Audran Michel , Varlet‐Marie Emmanuelle 
Published: July 2019

AbstractThe combination of growth hormone (GH) and recombinant erythropoietin (rEPO) is thought to be used particularly in endurance sports. Our objective was to reproduce a 2‐week administration of rEPO microdoses alone or in combination with GH microdoses (three times a week) on healthy and athletic male subjects and to evaluate if GH had any additional effects compared to EPO treatment alone. The effects of the treatments on hematological parameters and VO2max were studied as well as the detection of GH in serum. While the rEPO microdose regimen was associated with a significant increase in reticulocytes, no clear elevation in hemoglobin concentration (HGB) was observed. Using a correction by plasma volume did not reveal more effects of EPO on HGB. Our results did not show any additional effect when the GH microdoses were co‐administered. In addition, no clear increase in VO2max was observed after treatment, with an elevation in only half the subjects in both groups (EPO and EPO+GH). A clear effect of GH on insulin‐like growth factor I (IGF‐I) was seen but it was lower on procollagen III amino‐terminal propeptide (P‐III‐NP). GH detection using the direct isoform test identified only one subject 24 hours after receiving GH. The GH biomarker test combining IGF‐I and P‐III‐NP was not able to detect the GH administration. However, a longitudinal follow‐up of the intraindividual variations showed a significant increase in IGF‐I 24 and 48 hours after GH administration in most subjects, while the effect of GH microdoses on P‐III‐NP was less straightforward.