bluuebunny/crossref_metadata_2025_split huggingface dataset:
Eu2+-activated strontium-barium silicate: a positive solution for improving luminous efficacy and color uniformity of white light-emitting diodes
Authors: Thi My Hanh Nguyen , That Phung Ton , Anh Nguyen Doan Quoc 
Published: April 2021

Abstract
In this research we have studied the lighting enhancement method by analyzing chromatic performance and luminous flux of light emitting diodes that produce white light. In order to achieve expected results, it is necessary to mix Eu2+-activated strontium-barium silicate (SrBaSiO4:Eu2+) with its phosphor compounding, which has been demonstrated to have considerable influence on lighting performance. The results showed that with the gradually increasing concentration of yellow-greenemitting SrBaSiO4:Eu2+ phosphor in LEDs devices, at 8500 K, the color homogeneity and the lighting output received a great improvement. The color quality scale, on the other hand, responded negatively to the increase in SrBaSiO4:Eu2+. The impact of SrBaSiO4:Eu2+ on optical properties of WLEDs was confirmed. The final step to optimize SrBaSiO4:Eu2+ usage in lighting development is to figure out a suitable amount of particles and optimize their size.
Growth and characterization of 4-(((4-aminophenyl)sulfonyl)oxy)-2,3-dihydroxy-4-oxobutanoic acid with Ce3+: for semiorganic nonlinear optical application
Authors: Vinoth E. , Vetrivel S. , Gopinath S. , Aruljothi R. , Suresh T. , Mullai R.U. 
Published: April 2021

Abstract
This work aims at the growth and characterization of novel semi-organometallic nonlinear optical (NLO) crystal 4-(((4- aminophenyl) sulfonyl) oxy)-2,3-dihydroxy-4-oxobutanoic acid (ASODA) with ammonium ceric (II) sulfate dehydrate (ACS). The crystal 4-(((4-aminophenyl) sulfonyl) oxy)-2,3-dihydroxy-4-oxobutanoic acid with Ce3+ (STA) was grown by slow evaporation solution growth technique using deionized water as a solvent. Crystalline system of the grown STA crystal was identified by a single crystal X-ray diffraction study and confirmed as monoclinic crystalline system with non-centrosymmetric space group P21/C. The powder X-ray diffraction study confirmed the purity and crystallinity of the crystal. The presence of functional groups and hydrogen bonds (–O–H–O–) was confirmed by FT-IR spectroscopy. UV-Vis spectra showed that the grown crystal had a low cutoff wavelength at 219 nm. The position of protons and carbons were determined by structural studies based on NMR technique. The grown crystal was thermally stable up to 130 °C and its melting point was 163 °C. The SHG studies were performed by Quanta Ray Model laser source using Kurtz powder technique. The NLO efficiency of the STA crystal was 0.5 times greater than that of standard KDP. The dielectric constant and dielectric loss of the grown crystal were studied at different temperatures. The surface morphology and the particle size of the crystal were determined by FE-SEM technique. From the mechanical studies, it was found that the grown crystal is a soft material.
’Ballet Energy for Boys’ in Finland: A Description of the Workshop Content
Authors: Chua Joey , Niiranen Hannele 
Published: April 2021

AbstractHow can we improve Finnish boys’ conceptions of ballet? How can we increase male involvement in ballet? We tried to answer these central questions by reflecting on and reviewing the goals, content and teaching methods utilized to teach methods of a tuition-free ballet workshop titled Ballet Energy for Boys. Produced by the Finnish National Opera, this workshop was introduced to about 2500 seven to eight year-old boys in elementary schools in the capital region in Finland. Written primarily for dance educators, this article aims to contribute to the literature about our recent efforts in inspiring boys to learn ballet and to learn how to appreciate ballet.
Priming the Body: Breath as a Foundation for Exploring Ethical Performance Practice
Authors: Rouhiainen Leena 
Published: April 2021

Abstract
This article contemplates how the cultivation of breath through specific body awareness techniques might be understood to support a dialogical and ethical relatedness between collaborators constructing a performance through an open-ended process. The article introduces a teaching experiment based mainly upon exercises drawn from strands of body psychotherapy that took place within a larger experimental and cross-artistic workshop and performance project. This project aimed at enhancing the collaborative, creative, and critical skills of MA students in dance and theatre pedagogy of the Theatre Academy of the University of the Arts Helsinki. The article discusses the overall artistic project as well as the kind of bodywork the teaching experiment involved, and it makes a phenomenologically oriented reading of the written interview material gathered from the students. The specific theoretical perspective taken on the topic draws from two phenomenologically inspired thinkers, namely, Luce Irigaray’s and Timo Klemola’s views on the influence that cultivation of breathing can have on subjectivity. The article suggests that exploring and cultivating breathing through compassion can support the evolution of ethical collaboration in open-ended performance processes.
Observing one’s own teaching–creating awareness for professional development as a dance teacher
Authors: Frisk Anders 
Published: April 2021

Abstract
The aim of this article is to provide insights into how dance teachers experience observing their own dance lessons and how this experience is articulated in order to create awareness of the development of dance teachers’ own teaching. The interests of this study lie in what the dance teachers are reacting to, what actions they perform as well as how these reactions and actions are manifested in the body. Two dance teachers at the Swedish School of Sport and Health Sciences in Stockholm were observed and filmed giving dance lessons to student teachers of Physical Education and Health. Different situations from the lessons were discussed during a re-experiencing conversation. Using a phenomenological methodology for analysis and empirical-data generation, the results are discussed using the kinaesthetic communicative concepts of interaffectivity and interbodily resonance (Fuchs 2016). The results indicate that observing one’s own teaching is a valuable tool for dance teachers, as it allows them to reflect upon aspects of their teaching pedagogies and possibilities for their professional development. As well as this, the results show that teachers’ teaching goals and objectives are important parameters for what they react to in teaching situations.
Åland – a peculiar media system
Authors: Lindén Carl-Gustav 
Published: April 2021

Abstract
This article captures the dynamics of a special case when it comes to media systems, namely the Åland Islands, or Åland, with 6,700 islands and 30,000 inhabitants. Åland is one of three self-governed areas in the Nordic region (the others being the Faroe Islands and Greenland) and is an officially monolingual Swedish-speaking part of Finland, where the majority speak Finnish. In this article, I describe how Åland, despite its small size, has a media system characterised by a diverse and complete offering of local media: two daily newspapers, its own public service and public service offerings from both mainland Finland and neighbouring Sweden, a commercial radio station, and several magazines. However, media diversity is limited by the fact that the same person – a local business tycoon, Anders Wiklöf – controls both newspapers. There is one main research question motivating this study: What are the specific features of the media system in Åland? To be able to answer that, I relied on the analysis of three sets of data: nine interviews, a two-part survey and the media policy adopted in 2018, and transcripts of the preceding political debate.
Privatization of Science – A Silent Phenomenon
Authors: Gajski Lidija 
Published: April 2021

Abstract
Privatization is one of the most significant phenomena and characteristics of contemporary science, but also probably its greatest deviation. Through the growing funding of research by private companies, science has been increasingly used to create profit. It is instrumentalized by being reduced to a marketing tool. In medicine today, most of the applied research is sponsored by the producers of agents and equipment for diagnostics and treatment. Through the manipulation by the methodology of research, result presentation and selective publication, they produce findings which are invalid and biased. The topic of research is less and less relevant for the health and well-being of the population. With the medical science being privatized, the prospects of significant discoveries and progress in disease treatment and prevention are slim. A rise of costs is inevitable, as well as the decrease in the availability. Along with the privatized medical science, the chances for more significant findings and progress in treatment and illness prevention are not good. The growth in expenses is apparent, as well as the downturn in the availability of healthcare services and the erosion of trust in science and scientists. Privatization of science is a phenomenon which is rarely discussed. It deserves greater attention because it can have significant consequences on the nature and the excellence of scientific findings and is relevant in the social and cultural context.
A New Perspective on Poland’s Policy towards Russia in 2005–2007: a Middle Power Attempts to Engage a Rising Major Power
Authors: Antonovič Marijuš 
Published: April 2021

Abstract
Scholars of middle powers have been trying to solve its definitional issues and some progress has been made in the systemic approach. This article shows that further advancement may be gained by employing neoclassical realism in studying middle powers’ foreign policy behaviour. This done by analysing Poland’s policy towards Russia in 2005–2007. It is widely accepted in academic literature that Poland in 2005–2007, during the rule of the Law and Justice Party, pursued a confrontational policy towards Russia. However, this article challenges such widespread views. It demonstrates that Poland’s policy towards Russia was actually simultaneously based on balancing and engagement. Using a neoclassical realist framework and data gathered from interviews with Poland’s main foreign policymakers at that time, this article shows that the balancing was caused by the power asymmetry and differing interests between Russia and Poland, whereas the engagement – by the Polish policymakers’ attempts to influence Russia’s intentions towards Poland and by their perceived situation in the European balance of power.
Municipalities without elected councils. Causes of insufficient fulfilment of candidate lists in some municipalities in local elections in 2018
Authors: Dvořák Petr , Balík Stanislav 
Published: April 2021

Abstract
By means of a qualitative analysis of the sixteen municipalities in the Czech Republic in which additional elections were held in 2019, five variables were identified which may explain why additional elections occurred. For analysis, we used data from the Czech Statistical Office (municipal elections 1994 to 2019), the Ministry of Interior of the Czech Republic and information on individual municipalities from media analysis. We have identified the following possible variables which may affect whether additional elections are held: end of elites, non -stand as a candidate again, the end of municipal representatives, incumbent decides not to defend mandate (variable Non -defend mandate) and personal disputes within the municipality. Conversely, the financial situation of the municipality, the age of the representatives, the voter turnout in the municipality, the number of voters, the number of candidate lists or associations and candidates proved inconclusive in most municipalities. A significant increase in new candidates is a consequence rather than an explanation of the holding of additional elections.
Models of care for people with dementia applied in practice
Authors: Ljubič Andreja , Kolnik Tamara Štemberger 
Published: April 2021

Abstract

Aim. The study highlights the different concepts of dementia care models which are used in different care settings and determine the effectiveness and contribute to a better quality of life for people with dementia.

Methods. This literature review use PRISMA process for data collection and analysis. Scientific and professional publications in English were searched through international specialized databases; EBSCO HOST, CINAHL, MEDLINE, PubMed and Wiley Online Library. The review results were founded by key words and then selected according to the publication time frame and other shaped criteria.

Results. In total 1998 references were identified for the thematic content analysis, in the final review we included 29 studies. Two thematic areas were identified according to the keywords and literature search strategy: dementia care models and geriatric models of care. Further, we formed four concepts highlighted in models that reflect the specific characteristics and principles of care: biopsychosocial approach, person-centred care practice, environment of care, and Montessori for dementia care.

Conclusions. Most of featured models advocated the implementation of comprehensive, integrated and person-centred care, focused to honour and integrate an individual’s life story with their needs into daily care as much as possible in an appropriate and customized environment. Currently the most innovative model is based on implementation of Montessori approach into person’s daily activities.
Uncertainties in the measurement of relative doses in radiotherapy
Authors: Buliński Krzysztof , Kuszewski Tomasz , Wnuk Katarzyna , Braziewicz Janusz , Ślosarek Krzysztof 
Published: April 2021

Abstract
Both the measurement of the dose and the measurement of its distribution, like any other measurements, are subject to measurement uncertainties. These uncertainties affect all dose calculations and dose distributions in a patient’s body during treatment planning in radiotherapy. Measurement uncertainty is not a medical physicist’s error, but an inevitable element of their work. Planning the dose distribution in a patient’s body, we often try to reduce it in the volume of critical organs (OaR - Organ at Risk) or increase the minimum dose in the PTV region by a few percent. It is believed that the measurement uncertainty should be taken into account in these calculations at the stage of treatment planning. The paper presents the method of calculating the measurement uncertainty for different physical quantities in radiotherapy as percentage depth dose, profile function and output factor, due to the fact that these quantities have a particular impact on the calculated dose distributions in a patient’s body. The uncertainties that must be taken into account in planning treatment the planned dose per fraction and real in PTV, maybe different up to 4%.
Evaluation of clinical implications in the use of dose to water versus dose to medium by using NTCP and TCP models for urinary bladder tumours
Authors: Bharati Avinav , Mandal Susama R , Srivastava Anoop K , Rastogi Madhup , Khurana Rohini , Hadi Rahat , Gandhi Ajeet K , Mishra Lalatendu , Mishra Surendra P 
Published: April 2021

Abstract

Purpose: To analyze the dosimetric and radiobiological differences between dose to water versus dose to medium for patients with carcinoma of the urinary bladder.

Materials and Methods: 15 patients with cancer of urinary bladder were selected for the study. VMAT plans were generated for each patient. The dose distributions were calculated in the modes dose to water and to medium with the Monaco treatment planning system. A dosimetric comparative analysis has been made between the two modes of planning in this study. Subsequently, NTCP and TCP were determined for OARs and targets respectively.

Results: The mean dose to 2 cc of the rectum, small bowel, left and right femoral heads respectively was higher by 0.8, 1.2, 2.7, and 2.2% for the dose to water calculation. Similarly, the mean dose to D2, D50, and D98 for PTV was higher by 0.4, 0.3, and 0.3% for dose to water calculation. Such small dose differences had little effect on the values of TCP and NTCP.

Conclusion: For patients with the urinary bladder there were very small differences between results between calculations carried out in dose to medium and dose to water modes.
Effects of detection system parameters on cross-correlations between MUAPs generated from parallel and inclined muscle fibres
Authors: Messaoudi Noureddine , Bekka Raïs El’hadi , Belkacem Samia 
Published: April 2021

Abstract
The aim of this study was to investigate the effects of inter-electrode distance (IED), electrode radius (ER) and electrodes configurations on cross-correlation coefficient (CC) between motor unit action potentials (MUAPs) generated in a motor unit (MU) of parallel fibres and in a MU of inclined fibres with respect to the detection system. The fibres inclination angle (FIA) varied from 0° to 180° by a step of 5°. Six spatial filters (the longitudinal single differential (LSD), longitudinal double differential (LDD), bi-transversal double differential (BiTDD), normal double differential (NDD), an inverse binomial filter of order two (IB2) and maximum kurtosis filter (MKF)), three values of IED and three values of ER were considered.
A cylindrical multilayer volume conductor constituted by bone, muscle, fat and skin layers was used to simulate the MUAPs.
The cross-correlation coefficient analysis showed that with the increase of the FIA, the pairs of MUAPs detected by the IB2 system were more correlated than those detected by the five other systems. For each FIA, the findings also showed that the MUAPs pairs detected by BiTDD, NDD, IB2 and MKF systems were more correlated with smaller IEDs than with larger ones, while inverse results were found with the LSD and LDD systems. In addition, the pairs of MUAPs detected by the LDD, BiTDD, IB2 and MKF systems were more correlated with large ERs than with smaller ones. However, inverse results were found with the LSD and NDD systems.
Exploring the Moderating Effect of Campus Recreation Participation on the Relationship Between Education Satisfaction and Self-Esteem
Authors: Unguren Engin 
Published: April 2021

Abstract

Introduction.
Campus recreation programs play a key role in students’ academic success and personal development. The main purpose of this exploratory study was to explore the moderating effect of campus recreation participation on the relationship between education satisfaction and self-esteem.

Material and methods.
In this research, which adopted positivist paradigm, a quantitative method was used. The suitability of the measurement model was tested with confirmatory factor analysis, and hierarchical regression analysis was used in testing the moderator effect. The research data were obtained from 454 tourism students through the questionnaire form.

Results.
In the findings of the study, the evidence of the moderator role of campus recreation participation was determined in the relation between education satisfaction and self-esteem. It was concluded that the level of relationship between students’ education satisfaction and self-esteem differs according to whether they participate in campus recreation activities or not.

Conclusion.
The research findings revealed that participating in campus recreation activities increases students’ self-esteem and protects self-esteem in the event of education dissatisfaction. The present findings reveal that campus recreation participation should be given importance both in terms of student engagement, retention and personal development of students.
ACE gene I/D polymorphism and arterial hypertension in patients with COPD
Authors: Marushchak Mariya , Maksiv Khrystyna , Krynytska Inna 
Published: April 2021

Abstract

Background
Cardiovascular diseases (CVDs) are common in people with chronic obstructive pulmonary disease (COPD), and their presence is associated with an increased risk for hospitalization, longer length of stay and all-cause and CVD-related mortality. We assessed the role of angiotensin-converting enzyme (ACE) gene polymorphism in the occurrence of arterial hypertension (AH) in patients with COPD.

Methods
The study group consisted of 96 patients. Group 1 had 25 individuals with COPD, Group 2 had 23 individuals with AH and Group 3 had 28 individuals with COPD and AH. The control group consisted of 20 healthy subjects. I/D genotypes of ACE were determined by polymerase chain reaction amplification.

Results
The frequency distribution of polymorphic genotypes of the gene encoding ACE and assessment of compliance with the Hardy-Weinberg population equilibrium were carried out in groups of patients with COPD, AH and COPD + AH combination. The frequencies of the genotype responsible for I/D polymorphism of the ACE gene in the control and experimental groups were not found to deviate significantly from the Hardy–Weinberg equilibrium. The results of the study have not demonstrated any significant impact of alleles of ACE genes or ACE genes on occurrence of diseases such as COPD, AH and combinations thereof. However, analysis of odds ratio has demonstrated that the presence of the D allele of the ACE gene may increase the risk for occurrence of the COPD + AH (OR = 1.26).

Conclusion
The data obtained in the study allow suggesting that the presence of D allele of the ACE gene may increase the risk for AH in patients with COPD.
COVID 19 - a new threat for smokers and vapers?
Authors: Mihălţan Florin , Oprea Corina , Coşei Valentin , Constantin Ancuţa 
Published: April 2021

Abstract
The new pandemic disease Covid-19 compelled all the researchers to investigate for early identification of the potential risk factors. Further, the relation between smoking and infections are well known. The authors are trying to find the epidemiological links, the pathogenic mechanisms and also the impact of this coronavirus on different respiratory chronic diseases, based on the last published data about the consequences of smoking and vaping on consumers.
Cross-Genera Transferability of Microsatellite Markers and Phylogenetic Assessment of Three Salsola Species from Western Kazakhstan
Authors: Almerekova Shyryn , Favarisova Nasima , Turuspekov Yerlan , Abugalieva Saule 
Published: April 2021

Abstract
Salsola arbuscula Pall., Salsola arbusculiformis Drob. and Salsola chiwensis M. Pop. have great environmental importance as they can stabilise sand dunes and therefore are useful for desert zone landscaping. The genetic diversity and phylogenetic relationships of populations of these species collected in Western Kazakhstan were analysed using internal transcribed spacers (ITS) and simple sequence repeat (SSR) markers. The ITS sequences of species were aligned with sequences of 37 Salsola species from the NCBI. ITS analysis clustered the samples into two major groups and eight sections. The phylogenetic tree and haplotype network relationships confirmed the polyphyletic origin of Salsola and allowed taxonomic reassessment for the studied species. A set of SSR markers originally developed from genera Agriophyllum, Haloxylon, and Beta was tested for their variability in Salsola species. Twenty-six tested SSR markers were selected for their transferability scores, and 13 of them were suitable for study of genetic diversity in populations of three Salsola species. It was concluded that polymorphic SSR markers were efficient in the separation of the studied Salsola species and could be effectively used in studies related to the genetic variation in the genus.