bluuebunny/crossref_metadata_2025 huggingface dataset:
X-Ray CT Investigation of Graded Ti-Ti64 Material Produced by Selective Laser Melting
Authors: Sufiiarov Vadim , Kantyukov Artem , Polozov Igor A.
Published: September 2019

This paper is devoted to the study of gradient samples of Ti-Ti64 material, manufactured by selective laser melting. The measurements of porosity, differences in densities are made with x-ray computed tomography for as-processed and after hot isostatic pressing samples. The raw data was processed using the software Volume Graphics and AVIZO. The porosity of the samples was studied and their sphericity was calculated.
Improvement of Technology of Formation of Coatings with Metal Effect by Modified Water-Dispersion Paints
Authors: Sokolova Victoria Alexandrovna , Markov Viktor A. , Rzhavtsev Andrey Arkadyevich
Published: September 2019

The work is devoted to the study of the formation of protective and decorative coatings environmentally safe combined paint compositions. The considered work covers a range of issues related to colloidal-chemical modification of organo-soluble and water-dispersion lacquer compositions, development of their rational formulations and finishing modes, study of physical, mechanical and operational properties of protective coatings and ends with the calculation of the possible economic efficiency of the research results. In work environmentally safe water-dispersive paint and varnish compositions for transparent and opaque finishing by method of colloidal-chemical modification are developed. Optimal conditions for obtaining combined water-dispersion lacquer compositions of pigmented and non-pigmented and finishing modes are established. Modification of paint compositions with metal pigments allows to obtain a glazing coating, which significantly expands the color gamut of protective and decorative coatings.
Macular thicknesses in patients with keratoconus: An optical coherence tomography study
Authors: Deonarain Sohani , Motala Azeezah , Mthembu Talent , Nxele Nomfundo , Phakathi Thabiso , Thwala Nonkululeko , Rampersad Nishanee
Published: September 2019

Background: Keratoconus, a corneal ectasia associated with thickness and structural changes, has been reported to co-exist with posterior segment ocular conditions. However, very few studies have reported on macular thicknesses in individuals with keratoconus.Aim: The aim of this study was to investigate macular thicknesses in participants with keratoconus.Setting: This study was conducted at the University of KwaZulu-Natal (UKZN).Methods: A comparative cross-sectional research design was used. The sample consisted of 88 participants with 44 each in the control and keratoconus (15, 11 and 18 with mild, moderate and severe keratoconus, respectively) groups. Macular thicknesses were obtained with the Fourier-domain Optovue iVue100 optical coherence tomographer using the nine Early Treatment Diabetic Retinopathy Study sectors. Data were analysed using descriptive and inferential statistics.Results: Overall, the mean macular thicknesses were comparable among the control and three keratoconus groups (p ≥ 0.199). The mean central foveal thickness was greater in the severe keratoconus group (259 µm) than the other three study groups that showed similar measurements (247 µm – 248 µm). The central fovea was thinnest followed by the perifovea and parafovea in all four study groups. The mean thickness in the nasal and temporal quadrants of the parafovea and perifovea was thickest and thinnest, respectively, in all four study groups.Conclusion: Macular thicknesses via optical coherence tomography in individuals with keratoconus and controls are similar with thickness differences that are clinically insignificant. Consequently, macular thicknesses should be included in the preoperative assessment of individuals with keratoconus awaiting corneal transplantation to assess the integrity of the retina prior to surgery.
A Look at Retirement Funds in the Iranian Legal System
Authors: Bagheri Aidin , Mojtahdi Mohamadreza
Published: September 2019

Pension funds are an important pillar of the social security system of the country. Historically, retirement funds in the Iranian legal system have been a source of many problems, most notably financial deficits. The lack of prospects for the future and the uncertain program and unprofessional management, as a result of the lack of transparency and ineffective and sometimes contradictory laws, have all worked together to make retirement funds a problem in the country; this turmoil and turmoil situation And the inadequacies of funds in all respects have caused worries about the future. Reasons for the aging of the population and the decline in employment and ... have increased the seriousness of the crisis. The implementation of early-retirement laws in different periods, macroeconomic fluctuations, and neglect of misguided and non-normative outlooks and government roles, and largely one-way interactions with funds, are one of the most important reasons for the existence of a crisis in retirement funds In recent years. In Iran, the increase in the number of retirement funds has been caused by various programs and systems (various regulations); in the absence of comprehensive welfare and social security systems in the country, the stratification and distribution of decay and support Boxes will also be added. In this context, it is necessary to gain a comprehensive understanding of the status and legal system of the pension funds, with the study of how the administration and the status of the cost are spent, the inputs of these funds and the amount and group covered. In other words, the multiplicity of pension funds and the lack of coordination between these institutions and the lack of a single standard in them and the lack of respect for the fairness of the income received by retirees has caused dissatisfaction with this important group of society, because the type of services and range of support, also from the fund to the fund The difference is different, and this creates discrimination and increases the gap between the strata; it should be noted that the function and function of pension funds is international and the lack of attention to these funds can have serious consequences in the community. Currently, reforms to the rules and regulations of the pension funds and the management and management of these funds are important and important priorities, and the planned measures should be directed towards changing the situation and improving the efficiency and funds and optimal and wise use. Resources are maintained, with no loss or damage to retirement benefits.
Hemeroteca Digital
Authors: S. Leite Filho Efraim , O. Bovoloni Falavigna João , S. de Lima Adriano
Published: September 2019

O projeto Hemeroteca Digital tem como propósito ser um sistema de gestão documental dos Diários Oficiais do Estado de Sergipe, digitalizando-os de forma a se tornarem mais acessíveis ao público. Além do processo de gestão, foi criado um site de acesso aos documentos digitalizados.
Projeto Patrino: Um Aplicativo com Inteligência Artificial Aplicada no Gerenciamento de Bancos de Leite Humano
Authors: Henrique Nascimento Santos Sebastião , Silvia Vieira Eduardo , Viana dos Santos Davi , Costa Serra Arthur , Menezes Azevedo Layane , H. Carvalho Vieira Pedro
Published: September 2019

Os bancos de leite humano formam uma rede extensa e complexa que levam a todo país serviços essenciais que garantem que recém-nascidos e mães possam usufruir plenamente dos benefícios do leite materno. Esses centros atendem milhões de pessoas anualmente utilizando milhares de litros de leite humano. Assim, nesse trabalho visamos à criação de um sistema de gestão da distribuição de leite materno, usando inteligência artificial para prever desabastecimentos, o uso de informações geográficas para ajudar na localização de centros de leite humano e levar informações essenciais sobre maternidade e amamentação.
Avaliação da contaminação ambiental por metais pesados, através da análise de peixes coletados da Lagoa Mangueira – RS
Authors: Pereira Francisco Osvaldo Peres , Santos Leandro dos , Sanches Filho Pedro José
Published: September 2019

A presença de metais pesados no ambiente aquático pode ser originada de forma natural, por intemperismo das rochas ou por ações antropogênicas, com lançamento de resíduos e esgoto sem tratamento. O objetivo do presente estudo foi determinar a concentração dos metais Cr, Cu, Ni, Pb e Zn em amostras de peixes, como o jundiá (Rhamdia quelen), traíra (Hoplias malabaricus), voga (Cyphocharax voga) e joaninha (Crenicichla punctata) coletados da Lagoa Mangueira – RS. Analisou-se os tecidos dos músculos, brânquias e vísceras dos peixes. Dois métodos de digestão foram avaliados na decomposição do músculo do jundiá (Rhamdia quelen) e o método escolhido digeriu as amostras de tecido dos peixes em solução de HNO3/H2O2 2:1 (v/v), sob ultrassom à 70ºC por 10 min. Em paralelo, foi analisado o material certificado DORM-3 para avaliar a exatidão do método empregado na digestão das amostras. A ordem de distribuição dos metais pesados nos tecidos dos músculos, brânquias e vísceras das espécies analisadas foi Zn > Cu > Cr > Pb, sendo o Cr e Pb quantificados somente nas partes investigadas da traíra (Hoplias malabaricus) e o Ni não foi detectado em nenhuma espécie. Através do cálculo do fator de bioacumulação (FBA) avaliou-se o nível de metais no sedimento que pode se tornar biodisponível para os peixes. Os analitos foram quantificados utilizando a espectrometria de absorção atômica com chama (F AAS).
A Century of WWV
Authors: Nelson Glenn K.
Published: September 2019

WWV was established as a radio station on October 1, 1919, with the issuance of the call letters by the U.S. Department of Commerce. This paper will observe the upcoming 100th anniversary of that event by exploring the events leading to the founding of WWV, the various early experiments and broadcasts, its official debut as a service of the National Bureau of Standards, and its role in frequency and time dissemination over the past century.
Your funding infrastructure wishes Grant-ID
Authors: Fairhurst Vanessa
Published: September 2019

Researchers need easier ways to acknowledge funding and other support for their work. Publishers want to enrich their metadata and aid new ways to discover and convey relationships between research outputs, people, organizations and funding. Research funders are crying out for better ways to share information about the grants they award, and for more reliable connections between grants and research outputs resulting from those grants. Analytics and reporting platforms need authoritative data to build graphs and other tools. Research institutions want to track the funded outputs of their researchers across multiple projects.

At the moment, this process relies a lot on manual data entry (eek) and a lot of leg-work. Hence gaps and frustrations exist. Because of this a global group of funders has been working with Crossref since 2017 to develop a robust, open, reliable registry of grant IDs and metadata. In this talk, Vanessa Fairhurst will give an overview of the how and why of the development of this new infrastructural component: from the initial demand, through community consultation and up to the current early adopter program Crossref is running in partnership with the Wellcome Trust and Europe PMC to link funding to outputs. This is a new community service, led by funders, provided by Crossref, which will provide systems across the scholarly network with a richer picture of research support.
The value of the scholarly-led, non-profit business model to achieve Open Access and scholarly publishing beyond APC
Authors: Becerril-García Arianna
Published: September 2019

Keynote presentation.

The prevailing science communication system has showed little success in making science a global, participatory and equitable conversation. At the same time, a very robust ecosystem of science communication has been built in the Latin-American region, one that is intrinsically open, non-commercial and academy-owned. However, this “regional” approach has remained outside the legitimated channels of scholarly communication.

In Latin America, more than 2000 universities are publishing journals under the principle of science as a common and public good. Around half of them are public institutions which means that public budget is being heavily invested in sustaining non-commercial Open Access.

AmeliCA, a multi-institutional community-driven initiative supported by UNESCO and led by Redalyc and CLACSO, seeks a cooperative, sustainable, protected and non-commercial solution for Open Knowledge. AmeliCA is taking the 16-year experience and technological resources from Redalyc to strengthen non-profit publishing beyond the region.

AmeliCA’s and Redalyc’s approach is based on the fact that scholarly communication in control of the academy is a strategy much healthier and sustainable for the development of science and society. Why is it that commercial publishers are a pivotal actor in science communication – in many parts of the world – if the biggest part of activities concerning the generation of knowledge is in the academy?

Academy owned publishing seems not to exist in the mainstream databases (Web of Science and Scopus). So, it is strategic for the research community and libraries to join forces, as well as share and connect individual efforts to build a cooperative infrastructure, in order to guarantee that publishing is led by the scholarly community and that its openness is sustainable. The research community and libraries should also work together in the reshaping of how research is assessed, in order to give the non-profit academy-owned scholarly communications their place. All must be leveraged with technology to find more effective methods of communication and deployment of the knowledge generated by different regions, disciplinary fields or languages.
The State of Proteins not with Standing, Translational Velocity is Vital for their Function
Authors: Udema Ikechukwu Iloh , Onigbinde Abraham Olalere
Published: September 2019

Background: Targeting of macromolecules by means of translational diffusion for therapeutic reason is generally of interest. But translational velocity that enables directional delivery of any molecule on target is given less attention.

Objectives: The objectives of this research are to: 1) determine the value of the cohesion factor affecting solutes, 2) determine the translational velocity of porcine pancreatic (PPAA) - and human salivary (HSAA) – alpha amylase and ions, 3) rederive the effective kinetic energy (K.E.) of solutes, 4) determine the thermodynamic parameters for a folded to an unfolded transition and 5) give reasons why the velocity of solution components is generally very important.

Methods: A theoretical research and experimentation using Bernfeld method.

Results and Discussion: The K.E. of solution components as re-derived is « 3kBT / 2 (where kB and T are Boltzmann constant and Kelvin temperature respectively.). The velocities of hydrolysis of the substrate with the sucrose-treated PPAA were generally higher than those of HSAA. The values of conformational entropy change (∆Sconf) for PPAA were generally higher than those of HSAA. Expectedly the values of ∆Sconf were positive.

Conclusion: In conclusion, the square root of the cohesion factor is larger than 22.4 exp (+3) 310.15 K / 273.15 K / 18, accounting for the translational velocity (u) in solution being « gas phase velocity (U). The translational diffusion D and u remain respectively, a function of the hydrodynamic radius of the solutes in particular and the magnitude of D; unfolding of proteins decreases the values of the parameters. Overall, unfolding is entropy driven. Without the mobility of solution components at desired velocity directional delivery of small molecules to site of need such as intrinsically disordered proteins etc may remain impossible.
Advanced Materials for Sodium‐Ion Capacitors with Superior Energy–Power Properties: Progress and Perspectives
Authors: Zhang Hongwei , Hu Mingxiang , Lv Qian , Huang Zheng‐Hong , Kang Feiyu , Lv Ruitao
Published: September 2019

Developing electrochemical energy storage devices with high energy–power densities, long cycling life, as well as low cost is of great significance. Sodium‐ion capacitors (NICs), with Na+ as carriers, are composed of a high capacity battery‐type electrode and a high rate capacitive electrode. However, unlike their lithium‐ion analogues, the research on NICs is still in its infancy. Rational material designs still need to be developed to meet the increasing requirements for NICs with superior energy–power performance and low cost. In the past few years, various materials have been explored to develop NICs with the merits of superior electrochemical performance, low cost, good stability, and environmental friendliness. Here, the material design strategies for sodium‐ion capacitors are summarized, with focus on cathode materials, anode materials, and electrolytes. The challenges and opportunities ahead for the future research on materials for NICs are also proposed.
Bands of E-Inversive Unipotent Semigroups
Authors: Gigoń Roman S.
Published: September 2019

We study some special types of bands ofE-inversive unipotent semigroups. It has been proved that in anyR-semigroupS, which is a band ofE-inversive unipotent semigroups, the set of its regular elements is a retract ofS. Also, some characterizations ofE-inversive rectangular bands of unipotent semigroups are given. This theorem extends nearly 40-old results from the theory of epigroups. In fact, a more general result is valid in some special subclass of the class ofE-inversive semigroups; this result seems to be (partially) new for all epigroups.
Apolipoprotein E ε4 allele effects on longitudinal cognitive trajectories are sex and age dependent
Authors: Williams Owen A. , An Yang , Armstrong Nicole M. , Shafer Andrea T. , Helphrey Jessica , Kitner‐Triolo Melissa , Ferrucci Luigi , Resnick Susan M.
Published: September 2019

Introduction

Questions remain about whether apolipoprotein E (APOE)‐ε4 effects on cognitive decline are similar in men and women and how APOE‐ε4 and age interact to influence decline in different cognitive domains.

Methods

In sex‐stratified analyses, baseline age‐dependent associations between APOE‐ε4 status and longitudinal cognitive trajectories were examined in cognitively normal Caucasian older adults (631 men, 561 women, baseline age range: 50–93, 6733 assessments).

Results

In men, older baseline age was associated with greater effects of APOE‐ε4 on longitudinal decline in memory and executive function, detectible from baseline age of 64 and 68, respectively. In women, older baseline age was associated with greater APOE‐ε4 effects on longitudinal decline in attention, detectible at baseline age of 66. No significant APOE‐ε4 effects were found for language, visual‐spatial ability, or processing speed.

Discussion

Results highlight the importance of considering sex and age when assessing APOE‐ε4–associated vulnerability to cognitive decline.
Meter, prosody and performance: evidence from the Faroese ballads
Authors: Galbraith Daniel
Published: September 2019

In this paper, I argue that the folk ballad tradition of the Faroe Islands, to date never examined in detail by metrists, offers substantial empirical support for the necessity of maintaining the classic metrical template, as well as the distinction between metrical and prosodic structure: meter is an abstraction which can neither be collapsed into phonology, nor fundamentally detached from it (Kiparsky 2006, Blumenfeld 2015,paceHayes & MacEachern 1998, Fabb & Halle 2008). The ballad performances also reveal a unidirectional correspondence from strong metrical positions to strong dance steps and strong musical beats, indicating that metrical prominence plays a significant role in determining rhythm. The Faroese tradition thus provides a window into the relation between metrical structure and performance. In support of my conclusions I draw upon both the ballad texts and audio-visual recordings of sections of sample ballads I made on the Faroe Islands.
Of “Masculine Tyranny” and the “Women's Jury”: The Gender Politics of Jury Service in Third Republic France
Authors: Kimble Sara L.
Published: September 2019

In belle époque France, criminal juries were criticized as too tolerant of crime and too lenient to effectively punish criminals. While the French institution of the jury was under attack by magistrates and other elites, mixed sex juries provided an alternative model. Jury reformers advocated the introduction of mixed-sex criminal juries in France in order to render better verdicts and reduce crime, especially in the areas of infanticide and abortion. The French National Assembly debates over proposed legislation, however, stalled over political concerns with women's truncated citizenship rights. Historical analysis of the types of arguments deployed in this jury reform debate (including archival documents, parliamentary records, and press sources) reveals that reform proponents argued that gender difference-especially in terms of morality and psychology-justified women's admission to juries, particularly in cases of infanticide and abortion. The operation of an unofficial “women's jury” (jury féminin) between 1905 and 1910 in Paris demonstrated women's judicial decision-making capacity. Analysis of this citizens' jury documents the development of a feminist critique of the legal treatment of domestic violence, reproductive freedom, and marriage law publicized in the early twentieth century. This research contribution posits grounds for the re-periodization of feminist legal history as viewed through this case study of women's claims to jury service in Third Republic France.
Colonization and immune modulation properties of Klebsiella pneumoniae biofilm-dispersed cells
Authors: Guilhen Cyril , Miquel Sylvie , Charbonnel Nicolas , Joseph Laura , Carrier Guillaume , Forestier Christiane , Balestrino Damien
Published: September 2019

Biofilm-dispersal is a key determinant for further dissemination of biofilm-embedded bacteria. Recent evidence indicates that biofilm-dispersed bacteria have transcriptional features different from those of both biofilm and planktonic bacteria. In this study, the in vitro and in vivo phenotypic properties of Klebsiella pneumoniae cells spontaneously dispersed from biofilm were compared with those of planktonic and sessile cells. Biofilm-dispersed cells, whose growth rate was the same as that of exponential planktonic bacteria but significantly higher than those of sessile and stationary planktonic forms, colonized both abiotic and biotic surfaces more efficiently than their planktonic counterparts regardless of their initial adhesion capabilities. Microscopy studies suggested that dispersed bacteria initiate formation of microcolonies more rapidly than planktonic bacteria. In addition, dispersed cells have both a higher engulfment rate and better survival/multiplication inside macrophages than planktonic cells and sessile cells. In an in vivo murine pneumonia model, the bacterial load in mice lungs infected with biofilm-dispersed bacteria was similar at 6, 24 and 48 h after infection to that of mice lungs infected with planktonic or sessile bacteria. However, biofilm-dispersed and sessile bacteria trend to elicit innate immune response in lungs to a lesser extent than planktonic bacteria. Collectively, the findings from this study suggest that the greater ability of K. pneumoniae biofilm-dispersed cells to efficiently achieve surface colonization and to subvert the host immune response confers them substantial advantages in the first steps of the infection process over planktonic bacteria.
Surface and thermal properties of synthesized cationic poly(ethylene oxide) gemini surfactants: the role of the spacer
Authors: Hussain S. M. Shakil , Kamal Muhammad Shahzad , Solling Theis , Murtaza Mobeen , Fogang Lionel Talley
Published: September 2019

Synthesis of new cationic poly(ethylene oxide) gemini surfactants containing flexible and rigid spacer groups to tolerate harsh reservoir condition.
Hydrostatic equilibrium preservation in MHD numerical simulation with stratified atmospheres
Authors: Krause G.
Published: September 2019

Context. Many astrophysical processes involving plasma flows are produced in the context of a gravitationally stratified atmosphere in hydrostatic equilibrium, in which strong gradients can exist with gas properties that vary in small regions by several orders of magnitude. The standard Godunov-type schemes with polynomial reconstruction used to numerically solve these problems fail to preserve the hydrostatic equilibrium owing to the appearance of spurious fluxes generated by the numerical unbalance between gravitational forces and pressure gradients.

Aims. The aim of this work is to present local hydrostatic reconstruction techniques that can be implemented in existing codes with Godunov-type methods to obtain well-balanced schemes that numerically satisfy the hydrostatic equilibrium for various conditions.

Methods. The proposed numerical scheme is based on the Godunov method with second order MUSCL-type reconstruction, as is extensively used in astrophysical applications. The difference between the scheme and the standard formulations is only given by calculating the pressure and density Riemann states on each intercell face and by computing the gravitational source term on each cell.

Results. The local hydrostatic reconstruction scheme is implemented in the FLASH code to verify the well-balanced property for hydrostatic equilibrium with constant or linearly variable temperature and constant or variable gravity. In addition, the behavior of the scheme for hydrostatic equilibrium with arbitrary temperature distributions is also analyzed together with the ability to propagate low-amplitude waves and to capture shock waves.

Conclusions. The scheme is demonstrated to be robust and relatively simple to implement in existing codes. This approach produces good results in hydrostatic equilibrium preservation, satisfying the well-balanced property for the preset conditions and strongly reducing the spurious fluxes for extreme configurations.
Neutrino Vertex Reconstruction in South Pole Ice
Authors: Beheler-Amass M. , Karle A. , Kelley J.L. , Lu M.-Y.
Published: September 2019

Reconstruction of potential ultra-high-energy (UHE) neutrino events at the Askaryan Radio Array (ARA) is complicated by the variable index of refraction of South Pole ice, leading to curved radio signal paths from the interaction vertex. Using a spline table framework for fast raytracing approximation, we perform a GPU-accelerated interferometric reconstruction of the event vertex. We also demonstrate how use of both direct and reflected/refracted radio signals can allow reconstruction of the distance to the interaction vertex, an important step towards neutrino energy reconstruction.
An analytic description of the radio emission of air showers based on its emission mechanisms
Authors: Glaser Christian , de Jong Sijbrand , Erdmann Martin , Hörandel Jörg R.
Published: September 2019

The spatial signal distribution of the radio frequency radiation from extensive air showers on the ground contains information on crucial cosmic-ray properties, such as energy and mass. A long-standing challenge to access this information experimentally with a sparse grid of antennas is an analytic modeling of the radio signal distribution, which will be addressed in this contribution. We present an analytic model based on the two physical processes generating radio emission in air showers: the geomagnetic and the charge-excess emission. Our study is based on full Monte-Carlo simulations with the CoREAS code. Besides an improved theoretical understanding of radio emission, our model describes the radio signal distribution with unprecedented precision. Our model explicitly includes polarization information, which basically doubles the information that is used from a single radio station. The model depends only on the definition of the shower axis and on the parameters energy and distance to the emission region, where the distance to the emission region has a direct relation to the cosmic-ray mass. The model describes the true signal distribution precisely such that the model uncertainties are negligible compared to typical experimental uncertainties.
A novel electronic gate that identifies and counts bees based on their RGB backscattered light
Authors: Potamitis Ilyas , Rigakis Iraklis , Tatlas Nicolaos-Alexandros , Kouzoupis Spyros
Published: September 2019

In this work, we present an electronic gate that aims to extract a deeper representational signal of the color characterization of the main body of an insect, namely: a) we record the backscattered light and not the extinction light as commonly done, b) a color sensor analyses backscattered light to individual RGB channels independently to grasp the melanization, microstructural and color features of the wing and body of the insects passing the gate. We present all the necessary details to reproduce the device and we analyze many insects of interest like the bee Apis mellifera and the wasp Polistes gallicus. The electronic gate is attached to the entrance of the beehive and counts foraging activity. The backscattered light intensity can quantify the size of the incoming insect and discern a drone and a worker bee from a queen bee while the color measurements aim to recognize invasive species so that the gate closes and the beekeepers are alerted.
Visual and Auditory Stimuli Response, Measured by Emotiv Insight Headset
Authors: Zabcikova Martina
Published: September 2019

Brain-Computer Interface (BCI) is a very attractive area and common trend worldwide. The electroencephalographic (EEG) technology is being used by BCI systems that process brain signals through computer algorithms. EEG-based BCI has become an important tool for real-time analysis of brain activity. This article examines the usability and quality of the signals recorded using the Emotiv device. To examine brain activity, visual and auditory stimuli were presented to the subjects and responses was observed using wireless noninvasive EEG device Emotiv Insight. To measure signals the free version of software Emotiv Xavier ControlPanel was used. The results demonstrated that the Emotiv Insight device is suitable for entertainment.
Using SW PRACTIS for education and training purposes for the integrated rescue system – the case study
Authors: Rak Jakub , Svoboda Petr , Vicar Dusan
Published: September 2019

This article describes a case study of the SW application Practis being used for education and training purposes in the field of emergency management. The case study is focused on a traffic accident with a leakage of a dangerous chemical substance in the town of Kroměříž. The article further describes this event together with the procedure of creating a scenario for its solution and the subsequent evaluation of the training performed using the SW. The case study substantiates the importance of SW support for the education and preparation of members of the Integrated Rescue System; in addition, it enables education to be performed through play and practical training. Finally, the article discusses the possibilities and significance of SW Practis in the educational processes and the possibilities of interconnecting advantages of live and computer simulations.
The Risk of Night Shift Workers to the Glucose Blood Levels, Saliva, and Dental Caries
Authors: Roestamadji Retno Indrawati , Nastiti Nahdah Izdihar , Surboyo Meircurius Dwi Condro , Irmawati Anis
Published: September 2019

Abastract

Objective This study aimed to provide the correlation of circadian rhythms of night shift workers with blood glucose levels, saliva, and dental caries.

Materials and Methods This study was conducted on night shift and nonshift workers to measure fasting blood glucose (FBG), 2-hour postprandial blood glucose (2-PP BG), saliva flow rate, pH saliva, and caries with the decay-missing-filled total (DMF-T) index. Data analysis was done using independent t-test and correlation test with Pearson correlation.

Results There were significant differences in night shift and nonshift workers in FBG (p = 0.000), 2-PP BG (p = 0.000), flow rate saliva (p = 0.000), and DMF-T index (p = 0.001). Correlation test showed positive correlation between FBG and pH saliva (r = 0.42, p = 0.029) and DMF-T index (r = 0.521, p = 0.005) of night shift workers. The 2-PP BG also showed positive correlation with pH saliva (r = 0.493, p = 0.009) and DMF-T index (r = 0.743, p = 0.000). The DMF-T index showed negative correlation with flow rate saliva (r = –0.398, p = 0.04). In the nonshift workers, correlation test showed a correlation between FBG and DMF-T index (r = 0.384, p = 0.048). The DMF-T index showed correlation with flow rate saliva (r = 0.6, p = 0.001).

Conclusion There is a circadian rhythm correlation between night shift workers to blood glucose levels, flow rate saliva, pH saliva, and dental caries.
Prophylactic Use of Antiepileptic Drug (Phenytoin) in Preventing Early Postoperative Seizure in Patients with Chronic Subdural Hematoma: A Randomized Control Trial
Authors: Pradhanang Amit Bahadur , Sedain Gopal , Shilpakar Sushil K. , Sharma Mohan Raj
Published: September 2019

Introduction Antiepileptic drug (AED) therapy has been used prophylactically in various centers in patients with chronic subdural hematoma (CSDH) after surgical evacuation, although the benefit is unclear.

Materials and Methods In this randomized controlled trial, patients with CSDH undergoing burr hole drainage were enrolled into two groups—one which received prophylactic phenytoin and the other without the drug use. Their clinical presentation, imaging findings and postoperative complications were analyzed. Primary objective of the study was to assess the efficacy of phenytoin in the reduction of early postoperative seizure.

Results A total of 54 patients were enrolled in the study and randomized into two groups. Twenty-seven patients were assigned into the phenytoin group while another 27 patients to the “no phenytoin” group. Analysis of all patients in the no phenytoin group and those in the phenytoin group with therapeutic serum phenytoin levels were done. The incidence of postoperative seizure was 5.7%; and all patients who had seizures were in the no phenytoin group. This, however, was not statistically significant (p = 0.262). Two out of 25 patients on phenytoin (8%) developed adverse drug reactions.

Conclusion Incidence of postoperative seizure in patients undergoing burr hole drainage for CSDH was low. Routine prophylactic use of AED, did not reduce seizure in early postoperative period.
CHF enhancement partitioning based on surface wettability and porosity on CeO2 nanoparticle coated surface
Authors: Kim J. Y. , Bang I. C.
Published: September 2019

The experimental boiling critical heat flux (CHF) behavior of CeO2 nanoparticles coated surface under various deposition condition was experimentally measured. The CHF behavior of CeO2 nanoparticles coated surface was analyzed based on coupled analysis of surface wettability and capillarity. The surface conditions were modulated by changing the volume concentration and deposition time during the nanoparticles coating process. The convex shaped CHF behavior was observed along with the volume concentration of nanofluid. The analysis based on a single parameter such as surface wettability and capillarity couldn’t explain the complex CHF behavior. The novel way to explain the complex CHF behaviors of CeO2 nanoparticles coated surface is proposed. The model in this study considered the coupling behavior of surface rewetting and liquid transport by capillary wicking motion through the CHF enhancement partitioning. This efforts for the coupling of different physical phenomena on the boiling crisis condition will be beneficial to precise prediction of boiling CHF values on the engineered heater surface.
The development of verb constructions in spoken learner English
Authors: Römer Ute , Garner Jamie
Published: September 2019

Based on datasets of L1 Italian and Spanish learner language culled from the Trinity Lancaster Corpus Sample, this paper investigates how verb-argument constructions (VACs) develop in the spoken English of L2 learners across proficiency levels. In addition to proficiency and L1 effects, we focus on the potential influence of native English usage on learner VAC production. Insights into learners’ productive knowledge of five target VACs and the verbs used in those VACs are gained through (1) comparisons of normalized entropy scores for verbs in VACs; (2) correlation analyses comparing for each VAC the verbs produced by groups of learners and by native English speakers; and (3) regression analyses comparing learner verb-VAC associations against indices of VAC usage, including verb-VAC frequency, VAC-verb association strength and contingency. Results indicate that, across L1 backgrounds, more proficient learners are more productive in their VAC use and closer to patterns in L1 English usage than less proficient learners.
Placental Transfer of Respiratory Syncytial Virus Antibody Among HIV-Exposed, Uninfected Infants
Authors: Patel Sweta M , Jallow Sabelle , Boiditswe Sefelani , Madhi Shabir A , Feemster Kristen A , Steenhoff Andrew P , Arscott-Mills Tonya , Muthoga Charles , Ajibola Gbolahan , Shapiro Roger , Shah Samir S , Cunningham Coleen K , Kelly Matthew S
Published: September 2019

Background

Maternal human immunodeficiency virus (HIV) infection is associated with lower placental transfer of antibodies specific to several childhood pathogens. Our objective for this study was to evaluate the effect of maternal HIV infection on the placental transfer of respiratory syncytial virus (RSV)-neutralizing antibodies.

Methods

We conducted a cross-sectional study of mothers and their newborn infants at a tertiary hospital in Gaborone, Botswana, between March 2015 and December 2015. We measured serum RSV antibody levels by using a microneutralization assay. We used multivariable linear regression to evaluate the effect of maternal HIV infection on maternal RSV antibody levels, placental transfer of RSV antibodies, and newborn RSV antibody levels.

Results

Of 316 mothers, 154 (49%) were infected with HIV. The placental transfer ratios for RSV antibodies to HIV-exposed, uninfected (HEU) and HIV-unexposed, uninfected infants were 1.02 and 1.15, respectively. The geometric mean titer (95% confidence interval) of RSV-neutralizing antibodies was 2657 (2251–3136) among HEU newborns and 2911 (2543–3331) among HIV-unexposed, uninfected newborns. In multivariable analyses, maternal HIV infection was associated with lower placental transfer of RSV antibodies (P = .02) and a lower level of RSV antibodies among newborns (P = .002). Among HEU newborns, higher birth weight (P = .004) and an undetectable maternal antenatal viral load (P = .01) were associated with more effective placental transfer of RSV antibodies.

Conclusions

Maternal human immunodeficiency virus (HIV) infection is associated with lower mother-to-fetus transfer of serum RSV-neutralizing antibodies. HEU infants should be prioritized for preventive interventions for RSV. Maternal viral suppression through combination antiretroviral therapy has the potential to improve immunity to RSV among HIV-exposed infants.
Maintenance Immunosuppression Is Associated With Better Outcome in the 2017/2018 Influenza Epidemic
Authors: Stahl Klaus , Seeliger Benjamin , Busch Markus , Wiesner Olaf , Welte Tobias , Eder Matthias , Schäfer Andreas , Bauersachs Johann , Haller Hermann , Heim Albert , Hoeper Marius M , David Sascha
Published: September 2019

Background

The impact of immunosuppression on outcomes in influenza is insufficiently understood. We analyzed the morbidity and mortality of immunocompetent (IC) vs immunosuppressed (IS) patients with influenza A and B in the 2017/2018 season.

Methods

Patients with proven influenza in a German tertiary care hospital were analyzed for hospitalization, intensive care unit (ICU) admission, and mortality. Causes for IS were organ and bone marrow transplantation, AIDS, chemotherapy, and medical immunosuppression.

Results

In total, 227 patients were included in this analysis (IC, n = 118 [52%]; IS, n = 109 [48%]). Hospitalization (71% vs 91%; P < .001) and ICU admission (7% vs 23%; P = .001) were less frequent in the IS compared with the IC group. IC patients had a higher need for invasive ventilation (20% vs 5%; P = .001), vasopressors (19% vs 4%; P < .001), and renal replacement therapy (15% vs 3%; P = .002). Influenza-associated cardiomyopathy was found in 18% of IC vs 2% of IS patients (P < .001). The 30-day in-hospital mortality was 6.6%, 10.2% in the IC group and 2.8% in the IS group (hazard ratio IS group, 0.259; 95% confidence interval [CI], 0.113–0.855; P = .023). Immunosuppression was associated with reduced mortality (odds ratio, 0.25; 95% CI, 0.07–0.91; P = .036).

Conclusions

We observed that IS was not associated with a worse outcome in this influenza cohort. Due to the presence of both confounding and referral and selection bias, the conclusion that immunosuppression reduces mortality cannot be drawn. Prospective studies investigating the influence of baseline immunosuppression on severity of influenza infection are desirable.
Effect of Plantar Flexor Muscle Strengthening on the Gait of Children With Idiopathic Toe Walking: A Study Protocol
Authors: de Oliveira Vanessa Gonçalves Coutinho , Arrebola Lucas Simões , de Oliveira Pedro Rizzi , de Sá Cristina dos Santos , Yi Liu Chiao
Published: September 2019

Purpose:

To evaluate the effect of plantar flexor strengthening associated with conventional physical therapy treatment in participants with idiopathic toe walking.

Methods:

Thirty participants, of both sexes diagnosed with idiopathic toe walking, aged 5 and 11 years, will be recruited and randomized into 2 groups: the control group, who will undergo gait training, triceps surae muscle stretching, anterior tibial muscle strengthening, and motor sensory training, and the intervention group, who will undergo the same training as the control group and, additionally, triceps surae muscle strengthening. The intervention will be performed twice a week for 8 weeks. The participants will undergo a 3-dimensional gait kinematic analysis, passive amplitude of dorsiflexion movement, isometric dynamometry of the anterior tibial and triceps surae muscles, motor coordination, quality of life, and perception of the parents regarding the equinus gait at baseline and at the end of treatment. Quality of life will be reevaluated during a 24-week follow-up.
On the effectiveness of state tax and expenditure policies to encourage entrepreneurship
Authors: Bruce Donald , Glass Elizabeth A. , Harris Matthew C.
Published: September 2019

Purpose

The purpose of this paper is to expand the empirical literature on state tax and expenditure policies and entrepreneurial activity in several meaningful ways.

Design/methodology/approach

The authors update the panel data to include several more recent years and also consider other elements of state policy.

Findings

The most important takeaway is that even after dealing with some of the known shortcomings of dynamic panel analysis, we are still not able to find economically meaningful impacts of state tax and expenditure policies (generally defined) on entrepreneurial performance.

Research limitations/implications

Earlier studies that have found statistical significance have generally been limited to extensive-margin impacts on such things as self-employment rates or counts of new or small firms. When the authors examine what policy makers actually care about – things like income and employment among entrepreneurial ventures – the authors do not find much in the way of useful policy impacts.

Practical implications

To be sure, the authors find entrepreneurial performance to be statistically significantly related to certain tax rates and expenditure amounts, but the magnitudes of our estimated results cast serious doubts on the usefulness of these particular policy levers for generating meaningful improvements in entrepreneurial success.

Originality/value

The authors’ primary contribution is to improve the empirical consideration of the time series properties of the data. The authors provide a battery of more general and robust analyses to more completely surround the question.
How do academicians cope with occupational stressors to alleviate burnout? The experience of a research university
Authors: Kassim Mohd Shaiful Azlan , Ismail Rosnah , Mohd Yusoff Hanizah , Ismail Noor Hassim
Published: September 2019

Purpose

University academicians are struggling to engage in teaching, supervision, research and publication. The purpose of this paper is to determine how academicians cope with the various burdens of academia work stressors to overcome burnout.

Design/methodology/approach

A cross-sectional study was conducted from January to July 2017. In total, 327 research university academicians were selected using a proportional stratified randomized sampling. Validated measures were used to collect data on perceived work stressors (teaching, research, interpersonal conflicts and career development), coping strategies (adaptive and maladaptive coping) and perceived burnout (emotional exhaustion (EE), depersonalization and personal accomplishment (PA)). The data were gathered via computer assisted self-interviewing (CASI). The research statistical model was tested by two-steps of assessment replicating covariance-based structural equation modeling (CB-SEM) with bootstrapping procedure to generalize the sample to the hypothesized model.

Findings

Overall data fit the hypothesized model well (CMIN/df=1.788, GFI=0.833, CFI=0.921, TLI=0.916, RMSEA=0.047) with various degree of explanatory value for EE, depersonalization and PA were 60, 49 and 22 percent, respectively. Academicians were resilient against the burden of teaching. However, they did adopt coping mechanisms to overcome research challenges and interpersonal conflicts. The effects of research and interpersonal conflicts on tri-dimensional burnout mediated by maladaptive coping (f2 effect size=0.37) had a larger effect than interpersonal conflicts toward burnout mediated by adaptive coping (f2 effect size=0.02).

Practical implications

Academicians adopt maladaptive coping for research and interpersonal conflicts to suppress burnout. An integrative approach at both organization and individual levels is crucial to enhance appropriate coping mechanism to curb with burnout among the academicians of a research university.

Originality/value

This is the first study in Malaysia which uniquely estimate the effects of academician’s work stressors toward burnout with introducing coping strategies as mediators toward work stressors and burnout relationship which has been analyzed via CB-SEM.