bluuebunny/crossref_metadata_2025_split huggingface dataset:
Research Article. The Influence of Some Parameters on Chiral Separation of Ibuprofen by High-Performance Liquid Chromatography and Capillary Electrophoresis
Authors: Balint Alina , Cârje Anca Gabriela , Muntean Daniela Lucia , Imre Silvia 
Published: April 2017

Abstract
Objective: The aim of the study was to compare the influence of mobile phase composition and temperature on chiral separation of racemic ibuprofen by capillary electrophoresis and high performance liquid chromatography with UV detection. Materials and methods: Racemic ibuprofen was analysed on a chiral OVM column with an HPLC system 1100 Agilent Technologies, under isocratic elution, by using potassium dihydrogen phosphate 20 mM and ethanol in mobile phase. The flow rate was set at 1 mL/min, UV detector at 220 nm and different column temperatures were tested. For electrophoresis separation an Agilent CE G1600AX Capillary Electrophoresis System system, with UV detection, was used. The electrophoresis analysis was performed at different pH values and temperatures, with phosphate buffer 25 mM and methyl-β-cyclodextrin as chiral selector. Results: The chromatograhic analysis reveals a high influence of mobile phase pH on ibuprofen enantiomers separation. An elution with a mixture of potassium dihydrogen phosphate 20 mM pH=3 and ethanol, at 25°C, allowed enantiomers separation with good resolution in less than 8 min. Conclusions: The proposed HPLC method proved suitable for the separation of ibuprofen enantiomers with a good resolution, but the capillary electrophoresis tested parameters did not allow chiral discrimination.
Performance analyses of helical coil heat exchangers. The effect of external coil surface modification on heat exchanger effectiveness
Authors: Andrzejczyk Rafał , Muszyński Tomasz 
Published: April 2017

Abstract
The shell and coil heat exchangers are commonly used in heating, ventilation, nuclear industry, process plant, heat recovery and air conditioning systems. This type of recuperators benefits from simple construction, the low value of pressure drops and high heat transfer. In helical coil, centrifugal force is acting on the moving fluid due to the curvature of the tube results in the development. It has been long recognized that the heat transfer in the helical tube is much better than in the straight ones because of the occurrence of secondary flow in planes normal to the main flow inside the helical structure. Helical tubes show good performance in heat transfer enhancement, while the uniform curvature of spiral structure is inconvenient in pipe installation in heat exchangers. Authors have presented their own construction of shell and tube heat exchanger with intensified heat transfer. The purpose of this article is to assess the influence of the surface modification over the performance coefficient and effectiveness. The experiments have been performed for the steady-state heat transfer. Experimental data points were gathered for both laminar and turbulent flow, both for co current- and countercurrent flow arrangement. To find optimal heat transfer intensification on the shell-side authors applied the number of transfer units analysis.
The discovery of acanthocephalans parasitizing chaetognaths
Authors: Lozano-Cobo Horacio , Gómez-Gutiérrez Jaime , Franco-Gordo Carmen , Prado-Rosas María del Carmen Gómez del 
Published: April 2017

AbstractA comprehensive literature review shows that 12 types of pathogens, micropredators and parasites are reported to interact with chaetognaths, mostly digenean trematodes, cestodes and nematodes larval stages. Through analysis of 78,152 chaetognaths from a monthly zooplankton time series (Jan 1996–Dec 1998) collected in the Mexican Central Pacific twelve acanthocephalan larvae parasitizing chaetognaths were discovered. This is the first record of an acanthocephalan parasitizing chaetognaths, raising to 13 the types of symbionts known to interact with them (excluding predators). Cystacanth larval specimens of
Teacher students’ attitudes towards English in a multilingual context. A longitudinal study
Authors: Ipiña Nagore , Sagasta Pilar 
Published: April 2017

AbstractStudents’ language attitudes have long been considered important in the process of language learning, as they may impact academic achievement, and educators’ attitudes towards languages have also been studied for they may play a paramount role in shaping students’ attitudes. Hence, examining the development of teacher students’ language attitudes will help to better fine tune the specific teacher education programme. The aim of the present study was to analyse the development of primary teacher student attitudes towards English and to investigate the impact of personal, contextual and educational variables on those attitudes. This longitudinal study was carried out with 100 undergraduates enrolled in a degree programme in trilingual Primary Teacher Education. Our results show that self-perception of English competence level and specialist areas are the decisive variables. It was also revealed that these primary teacher students do not consider English a threat to their own identity. Furthermore, our findings suggest the need to go beyond students’ personal and contextual data to examine the particular educational context in greater depth, specifically, the language and educational policy being implemented, as both of these may impact students’ attitudes towards the target language.
On non-Hopfian groups of fractions
Authors: Macedońska Olga 
Published: April 2017

Abstract
The group of fractions of a semigroup S, if exists, can be written as G = SS−1. If S is abelian, then G must be abelian. We say that a semigroup identity is transferable if being satisfied in S it must be satisfied in G = SS−1. One of problems posed by G.Bergman in 1981 asks whether the group G must satisfy every semigroup identity which is satisfied in S, that is whether every semigroup identity is transferable. The first non-transferable identities were constructed in 2005 by S.V.Ivanov and A.M. Storozhev.
A group G is called Hopfian if each epimorphizm G → G is the automorphism. The residually finite groups are Hopfian, however there are many problems concerning the Hopfian property e.g. of infinite Burnside groups, of finitely generated relatively free groups [11, Problem 15]. We prove here that if G = SS−1 is an n-generator group of fractions of a relatively free semigroup S, satisfying m-variable (m < n) non-transferable identity, then G is the non-Hopfian group.
Evaluation of the convolution sum involving the sum of divisors function for 22, 44 and 52
Authors: Ntienjem Ebénézer 
Published: April 2017

Abstract
The convolution sum,

$ \begin{array}{}
\sum\limits_{{(l\, ,m)\in \mathbb{N}_{0}^{2}}\atop{\alpha \,l+\beta\, m=n}} \sigma(l)\sigma(m),
\end{array} $
where αβ = 22, 44, 52, is evaluated for all natural numbers n. Modular forms are used to achieve these evaluations. Since the modular space of level 22 is contained in that of level 44, we almost completely use the basis elements of the modular space of level 44 to carry out the evaluation of the convolution sums for αβ = 22. We then use these convolution sums to determine formulae for the number of representations of a positive integer by the octonary quadratic forms

$a\,(x_{1}^{2}+x_{2}^{2}+x_{3}^{2}+x_{4}^{2})+b\,(x_{5}^{2}+x_{6}^{2}+x_{7}^{2}+x_{8}^{2}),$
where (a, b) = (1, 11), (1, 13).
Fictional Objects
Authors: Dozzi Manuele 
Published: April 2017

Abstract
The article, in the first part, aims at providing a positive answer to the ontological question about fictional objects starting from semantic reflections on the negative existential statements containing terms purporting to refer to such objects and the principle of compositionality. In the second part is proposed a Meinongian account of ficta, showing how it handles the problem of negative existentials without giving up neither the principle of compositionality nor our way of talking about fictional characters in the natural languages. It is also considered a particular kind of Meinongianism, namely Modal Meinongianism which seems to be the best Meinongian theory in order to explore the modal properties of ficta.
Congenital Anomalies of the Kidney and Urinary Tract in Children Born Small for Gestational Age
Authors: Janchevska Aleksandra , Gucev Zoran , Tasevska-Rmus L. , Tasic Velibor 
Published: April 2017

Abstract
Introduction: Congenital anomalies of the kidney and urinary tract (CAKUT) represent several types of malformations with occurrence of 1 in about 500 live births.
Objective: Small for gestation age (SGA) may influence in prevalence of CAKUT and progression of chronic kidney disease (CKD) in children. The aim of this study was to elaborate our experiences with detected CAKUT in a cohort of SGA born children in Macedonia.
Methods: Our cohort consisted of 100 SGA born children investigated for associated congenital anomalies of urinary tract. We analyzed anthropometric and clinical birth data in children with diagnosed CAKUT and estimated the stage and time of onset of CKD by biochemical and imaging technics.
Results: We revealed 7 (7.0%) SGA born children with congenital anomalies of the urinary tract. Their mean birth weight was very low 1855 gr (-3.93 SDS) and the birth length 45.57cm (-2.17 SDS), as well. A significant growth failure with reduced weight and BMI were noticed at the time of diagnosis. A diagnosis of CAKUT in 4/7 was established in the first few months of life, but in others 3 later in early childhood. Three children revealed with unilateral kidney agenesis, 2 had hypo-dysplastic kidneys and in 2 children was found vesicoureteral reflux. Normal glomerular filtration rate was estimated in 2 children with CAKUT. Stage 2 CKD with GFR 60-90 ml/minx1.73m2 had 3 children, 1 patient was graded in stage 3 and one child needed kidney transplantation, stage 5 CKD.
Conclusions: We presented 7 SGA born children with CAKUT. An early recognition, assessment and treatment of these anomalies might improve their quality of life.
Ada Twist Scientist by A. Beaty
Authors: Sader Rhonda 
Published: April 2017

Beaty, Andrea. Ada Twist Scientist. Illustrated by David Roberts. Abrams Books for Young Readers, 2016.With a whimsical prose and an empowering message, it’s hard to resist Ava Twist Scientist! This is the third book written by Andrea Beaty, and true to the form of Iggy Peck, Architect and Rosie Revere, Engineer, she celebrates the creativity, imagination, curiosity, and perseverance of every day children. Ava Twist has a question for everything as she explores the world around her: “Why are there pointy things stuck to a rose? Why are there hairs up inside of your nose?” Her parents are puzzled and exhausted by their curious child, while at the same time supportive of her scientific endeavours. Although Ada experiences frustration in her experiments, as they don’t quite always go as planned, she perseveres and shows continued determination in finding answers to the many questions that perplex her. There are parallels in this story to Albert Einstein’s childhood, with Ada being delayed in speech, being extremely curious about the world around her, and getting into trouble at school because of it. Einstein was puzzled by a compass, and Ava a grandfather clock. Similarly, both made sense of their world through pictures and constant questioning. Interestingly, in the end pages, Andrea Beaty notes she named Ada Marie Twist after two great women scientists: Marie Curie and Ada Lovelace.Focused colourful illustrations placed on a white background complement this rhyming text giving us a glimpse into Ada’s mind and her never-ending curiosity. One of the most endearing qualities of this book is how the illustrator David Roberts includes the teacher, Iggy Peck, and Rosie Revere, characters of Beaty’s other books, as Ada’s diverse classmates, converging the stories together. This book is notable as it focuses on a young girl’s passion for science, providing a role model and empowering other girls to follow their dreams. It should be noted however, that the story is inspirational for all. And with that I must insist: Ada Twist should not be missed! Recommended: 4 out of 4 StarsReviewer: Rhonda SaderRhonda Sader started enjoying picture books as a young girl and has never looked back. Some of her most treasured time is spent reading books nightly with her own two children.
The Monetary Cost of Sexual Assault to Privately Insured US Women in 2013
Authors: Tennessee Ashley M. , Bradham Tamala S. , White Brandi M. , Simpson Kit N. 
Published: April 2017

Objectives. To determine whether privately insured female rape victims were billed for charges associated with a specific rape in the United States. Methods. We examined 2013 de-identified patient data from Truven Analytics Health MarketScan database for an assault that occurred by using International Classification of Diseases, Ninth Revision, code E960.1. Results. Analysis of insurance providers’ payment patterns for 1355 incident events to female victims aged between 16 and 61 years revealed that victims remit, on average, 14% or $948 of the rape cost, whereas insurance providers pay 86% or $5789 of the total cost. Conclusions. Hospital billing procedures for privately insured victims of rape across the United States are not separate from billing procedures for privately insured nonrape patients. This standardized procedure leads hospitals to bill victims directly for services not paid under the victims’ insurance policy. Public Health Implications. The Violence Against Women Act (passed in 1994, reauthorized in 2000, 2005, and 2013) must be amended to mandate that all costs incurred because of rape are not passed on to the victim.
Mass Media Campaign to Reduce Consumption of Sugar-Sweetened Beverages in a Rural Area of the United States
Authors: Farley Thomas A. , Halper Hayli S. , Carlin Anne M. , Emmerson Karen M. , Foster Kelly N. , Fertig Angela R. 
Published: April 2017

Objectives. To evaluate a mass media campaign to reduce the consumption of sugar-sweetened beverages (SSBs). Methods. We disseminated messages emphasizing the health risks of SSBs through television, digital channels, and local organizations over 15 weeks in 2015–2016 in the Tri-Cities region of northeast Tennessee, southwest Virginia, and southeast Kentucky. We evaluated the campaign with pre- and post-telephone surveys of adults aged 18 to 45 years in the intervention area and by examining changes in beverage sales in the intervention and a matched comparison area in western Virginia. Results. Fifty-four percent of postcampaign respondents recalled seeing a campaign advertisement. After the campaign, 53% of respondents believed SSBs were a cause of heart disease, and respondents were more likely postcampaign to consider SSBs a “big cause of diabetes” (75% vs 60%; P < .001). Compared with 12 months before, after the start of the campaign, SSB sales decreased 3.4%, including a 4.1% decrease in soda sales in the intervention area relative to the comparison area (P < .01). Conclusions. This brief media campaign on SSBs was followed by intended changes in beliefs and consumption. Public Health Implications. Additional media campaigns on SSBs should be attempted and evaluated.
PENATAAN DAN PEMBINAAN PEDAGANG KAKI LIMA DALAM PERSPEKTIF KOMUNIKASI PEMBANGUNAN DI SURAKARTA
Authors: Pramono Muhammad Fajar 
Published: April 2017

<p><span>Abstract</span></p><p><span>Always talking about controlling street vendors ( PKL) like tangle and even there is always resistance. <span>Such events occur in almost all regions in Indonesia. They differ in Surakarta voluntarily move <span>to a location that has been prepared by the Government. The purpose of this study is expected <span>to evaluate the response of vendors to process structuring and development of street vendors <span>conducted by the City Government of Surakarta, especially during Joko Widodo-Rudy (2005-<span>2012), so that it can be done peacefully. This study uses a quantitative approach using surveyexplanatory. To analyze the factors of interpersonal communication and democratic leadership <span>style factors Surakarta City Government on the effectiveness of communication by using multiple<br /><span>regression analysis. Sample as many as 243 respondents using systematic random sampling. First <span>results showed that the success of the process of structuring and development of street vendors <span>in Surakarta in PKL assessment not only in the context of the process, but also in the sense of <span>the results. Second, the results showed a factor of interpersonal communication and democratic <span>leadership style factors jointly affect significantly on the effectiveness of Surakarta City <span>Government communication in the process of structuring and development of street vendors. <span>However, if both factors are seen individually that research shows that the democratic leadership <span>style factors Surakarta City Government contributes more than a factor of interpersonal <span>communication on the effectiveness of Surakarta City Government communication. Third, <span>the results showed that the effectiveness of communication with Surakarta City Government <span>Development productivity showed a positive relationship. </span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></p><p><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><span><strong>Keywords</strong><span><strong>:</strong> <em>Development Communication, Management and Development of street vendors and government</em><br /><span>Surakarta City</span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span></span><br /></span></span></p>
Predicting who applies to Public Housing using Linked Administrative Data
Authors: Hinds Aynslie , Bechtel Brian , Distasio Jino , Roos Leslie L , Lix Lisa 
Published: April 2017

ABSTRACT
ObjectivePublic housing residents, who live in low income government rental housing, are often in poorer health than the rest of the population. However, few studies have been able to untangle the relationships between health and public housing residency, and to assess whether health contributes to the decision to apply. We used linked population-based administrative data from one Canadian province to compare the health and health service use of people who applied to public housing to that of people who did not apply.
ApproachAdministrative data housed in the Manitoba Centre for Health Policy’s Population Health Research Data Repository were used to identify a cohort of individuals who applied to public housing in 2005 and 2006. They were matched one-to-one to a cohort from the general population using socio-demographic variables. A population registry provided demographic and geographic characteristics. Economic measures included receipt of income assistance and an area-level measure from the Statistics Canada Census. Measures of health and health service use were derived from hospital, physician, emergency department, and prescription drug databases. Conditional logistic regression was used to test the association between a public housing application and health status and health service use, after controlling for income.
ResultsThere were 10,324 individuals in each of the public housing applicant and matched cohorts; the majority were female (72.4%), young (62% less than 40 years), urban residents (61.2%), and received income assistance (52.8%). A higher percent of the public housing applicant cohort had physician-diagnosed physical and mental health conditions and used more health services compared to the matched cohort. Having a physician-diagnosed respiratory illness (odds ratio [OR] = 1.14, 95% confidence interval [CI] 1.05,1.25), diabetes (OR = 1.24, 95% CI 1.09,1.40), schizophrenia (OR = 1.58, 95% CI 1.30,1.92), affective disorders (OR = 1.37, 95% CI 1.27,1.48), and substance abuse disorders (OR = 1.46, 95% CI 1.25,1.71) were associated with an increased likelihood of applying for public housing, while being diagnosed with cancer (OR = 0.76, 95% CI 0.61,0.96) was associated with a decreased likelihood of applying, after controlling for income differences. High health service users were also more likely to apply for public housing, after controlling for income differences.
ConclusionIndividuals who move into public housing are in poor health before they apply. Health and social service supports that are co-located with public housing facilities may help to ensure that residents have successful tenancies.
Profile Matching of Brazilian Birth and Mortality Records where microcephaly is recorded.
Authors: Stevens Antony , Costa Roberta Maria Leite , Rabello Neto Dacio de Lyra 
Published: April 2017

ABSTRACT
BackgroundIn Profile Matching the term "Profile" means that the information available about an individual could be the same as that available for some other individuals.
Reduced versions of birth and mortality records are made publicly available by the Brazilian Ministry of Health and this study covers the years 1996 to 2013. Date of birth, sex and municipality of residence are available in both types of record, so their combination could be studied as a pseudo-identifier. The municipality could be different at the two events so the results outlined here must be seen as a first cut.
MethodThe ICD 10 code for microcephaly is Q02. Among the mortality records where Q02 was recorded either as a basic cause or in one of the other lines there were 1676 combinations of the three variables. All but three of them were unique and the remaining three each occcurred with only two records. For 1324 of these records the year of birth was between 1996 and 2013 so that we could reasonably expect these combinations of values among the birth records. However, there were only 204 birth records with combinations that matched and where Q02 was recorded. Possible reasons for the difference could include i) underreporting of births, ii) the failure to detect microcephaly at birth registration and iii) the possibility that microcephaly can only be securely identified sometime after a birth would normally be registered.
ResultsAmong the birth records there were 2349 combinations where Q02 was mentioned as a birth anomaly. All but seven of them were unique and the remaining seven each occcurred with only two records. Corresponding to these combinations there were 1416 combinations found among the mortality records. These were found in 2149 records. However in only 541 of the mortality records was there a mention of Q02. It appears as the basic cause of death in 204 of these 541 records. It could be that such a small number of deaths attributed to Q02 is consistent with best medical opinion.
ConclusionIt is easy to dismiss these apparent discrepancies as poor recording. Some of it may be, but it could be that doctors were faithful to what they observed. The next step is have a clear picture of what was recorded, like other types of birth defect, when Q02 was not observed in both records of a match.