bluuebunny/crossref_metadata_2025 huggingface dataset:
IVERMECTIN IN THE TREATMENT OF COVID-19 DISEASE: A SYSTEMATIC REVIEW AND META-ANALYSIS
Authors: LAKSEMI DEWA AYU AGUS SRI , TUNAS I. KETUT , WIDYADHARMA PUTU EKA , ARTAWAN WAYAN GDE , SUNDARI LUH PUTU RATNA
Published: July 2022

Objective of the review was to evaluate the effectiveness of Ivermectin as a treatment of COVID-19. The researchers collected and assessed articles and previous studies in the form of Randomized Clinical Trial (RCT) from PubMed, Google Scholar, Clinical Trials Gov and Preprint databases. The inclusion criteria of the study were the patients diagnosed with mild to moderate COVID-19 who had only been given Ivermectin compared to placebo or Standard of Cure (SoC) of COVID-19. There are 11 RCT which are resemble to the inclusion criteria of the study. Based on the 11 RCT that are suitable to the inclusion criteria of the study, the researchers found the pooled OP rate for viral load, Day to Negativity (DTN), and Escalation of Cure for all studies are 62% (95% CI, 0.50-0.74), 89% (95% CI, 0.40-1.38) and 43% (95% CI, 0.06-0.08) respectively. Moreover, the pooled OR rate for length of stay or hospitalization, mortality or deterioration, symptom reduction of all studies are 100.6% (95% CI, 0.54-1.58). Due to the lack of substantial data on information sources and low-to-moderate quality of studies which are included in systematic review, the evidence suggests that IVM (Ivermectin) administration does not decrease the mortality, symptom and viral load of COVID-19.
What is ZPD and what are the implications of ZPD for teaching?
Authors: Wang Di
Published: July 2022

Sociocultural theory was established by Vygotsky, and it analyzes the social and cultural attributes of the development mechanism of human psychological function based on the view of development and history (Xi, 2020). Vygotsky divided human psychological function into low-level psychological function as the result of biological evolution and high-level psychological function formed by the development of social culture and history. Focusing on the development of high-level psychological function of individuals, Vygotsky put forward three core concepts: internalization, mediation and zone of proximal development (ZPD). In this article, one of the core concepts, ZPD, will be discussed.
Un nuevo rostro de Dios para nuestro tiempo
Authors: Romera Maldonado Sergio Ariel
Published: July 2022

The experience of evil and suffering is a real fact and facing this is necessary to find sense in the mistery of pain. It is only from a faithful look that we can get closer to the deep mistery of suffering. There are innumerable questions that emerge from this experience: Why does evil exist? Does God allow it? Why doesn't God stop such terrible experience of pain and suffering? From all of these questions and others that could probably emerge, it is strictly necessary to make a theological question: Is it possible to even think about God's suffering? This led to a paradigm shift in Trinitarian-theological reflection, moving from the notion of an immutable and apathetic God, to a passive and suffering God. In this article, the author addresses the study of the axiom of divine patheia from its causes, its theological implications and the contributions of contemporary theological reflection, to enlighten the real and suffering man of our time and to express its relevance and capital importance in current theological reflection.
The effect of the teacher’s perceptions of the principal’s leadership and teacher efficacy on the happiness of child- care teachers
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Kang Su-Jin , Moon Hyuk-Jun
Published: July 2022

Objectives The purposes of this study were to research on the relationships between the principal’s leadership perceived by teachers, teacher efficacy, and the teachers’ happiness; and how the principal’s emotional leadership and teacher efficacy affect the teachers’ happiness at their child care centers. Methods From October 25th to November 3rd, 2021, we conducted an on-offline questionnaire survey of childcare teachers working at child care centers all over the country. Based on previous research, the principal’s emotional leadership and teacher’s efficacy and happiness scales were used as evaluation standards. Thereafter 285 of the 300 collected data were tested by frequency-analysis, technical statistics, reliability test, t-verification, One-Way ANOVA analysis, correlation analysis and hierarchical regression analysis using SPSS 22.0 program. Results First, There were significant differences in teacher’s happiness according to the sociodemographic factors of age and marital status and no differences in career and academic background. Second, There were positive correlations among emotional leadership of the principal, teacher efficacy, and the happiness of the teacher. Third, it was found that both the principal’s emotional leadership and teacher efficacy perceived by the childcare teacher have a significant positive effect on the childcare teacher’s happiness. Conclusions This study has shown how the principal’s emotional leadership perceived by teachers, and teacher’s efficacy could affect the teacher’s happiness. Therefore, because happy teacher improve the quality of the school, this study will provide essential data to build an excellent child care system.
The effect of Habruta learning method on self-directed learning ability, academic self-efficacy, learning commitment and critical thinking disposition of nursing students in online class
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, An Mi Na , Kim Hyun Jung , Lee Eun Young
Published: July 2022

Objectives This study applied the Habruta learning method in an online class to enhance the understanding of basic major subjects, which are essential for effective nursing practice. It was carried out to confirm the effect. Methods The subjects of this study were 57 second-year nursing students enrolled in a university, and the Habruta learning method was applied for 10 weeks. This is a single-group pre- and post-primitive experimental study that investigated the self-directed learning ability, academic self-efficacy, learning immersion, and critical thinking tendency of subjects before and after the application of the Habruta learning method. IBM SPSS WIN 26.0 program was used for data analysis, and the general characteristics of subjects were analyzed by descriptive statistics, and the effects of dependent variables were analyzed by paired t-test. Results As a result of the study, Self-directed learning ability (t=3.73, p<.001) increased after the application of the Habruta learning method, and the learning plan of the sub-domain (t=2.10, p=.040), learning evaluation (t=29.72, p<.001) was significantly increased. Academic self-efficacy (t=2.39, p=.020) was sub-domain self-regulation efficacy (t=2.47, p<.017), confidence (t=2.28, p<.026). was significantly increased. In the case of learning immersion (t=3.30, p=.002), the immersion condition (t=2.70, p=.009) and immersion experience (t=3.27, p=.002) of the sub-domains were statistically significantly increased, critical As for the thinking propensity (t=2.13, p=.038), the lower-order memory systemicity (t=2.48, p=.016) was statistically significantly increased. Conclusions By applying the Habruta learning method to the nursing major basic subject in the online class, the self-directed learning ability, academic self-efficacy, learning immersion, and critical thinking tendency of nursing students were improved. In the future, it is necessary to apply the Havruta learning method to various online nursing online classes to confirm the effect.
The Application and Efficacy of Acceptance Commitment Therapy Smartphone App for Social Anxiety
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Gwak Jieun , Yoo Seon-Yeong , Park Kee-Hwan
Published: July 2022

Objectives The purpose of this study was applicating a smartphone app for Acceptance Commitment Therapy(ACT) for social anxiety and examine its efficacy. Methods The ACT smartphone application is a self-help treatment program of 4 sessions that include 6 components of ACT. The present study was conducted on 61 undergraduate students who had subclinical scores in Korean Social Phobia Scale(K-SPS) or Korean Social Interaction Anxiety Scale(K-SIAS). Participants were randomly assigned to treatment group of 30 or control group(waiting-list) of 31. To examine the effect of the program, all participants completed the scales of K-SPS, K-SIAS, Social Anxiety Acceptance and Action Questionnaire (SA-AAQ), Brief Symptom Inventory-18(BSI-18), Psychological Well-being Scale(PWBS). These questionnaires were measured before and after the treatment in both group and 2 weeks after termination in treatment group only. Results The results indicated that the program significantly reduced the level of social anxiety, somatization symptom, depression and anxiety in treatment group. Also, their social anxiety acceptance behavior and psychological well-being were significantly increased. Furthermore, additional improvements of social anxiety level, somatization symptom and social anxiety acceptance behavior were found at 2 weeks follow-up period. Conclusions These results suggest that ACT smartphone application for social anxiety applied in this study can reduce a level of social anxiety efficiently.
The Effect of Children's Self-esteem on Cyber Delinquency Problem Consciousness: Focusing on the Mediating Effect of Peer Attachment and Teacher Relationship
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Kwon Jeongyoon , Jo Hyeyoung
Published: July 2022

Objectives The purpose of this study is to verify the mediating effect of peer attachment and teacher relationship in the process of children's self-esteem affecting cyber delinquency cultural consciousness. Methods Using the data from the 11th Korean Children's Panel (2018), 707 people who responded to all research variables were analyzed using SPSS 20.0 and AMOS 23.0. Results The main results are as follows. First, focusing on cyber delinquency problem consciousness, it showed the statistically-significant positive correlation with the intimacy of teacher relationship, while there was no statistically-significant correlation with self-esteem, peer attachment communication, trust, and teacher relationship conflict(reverse). Second, the measurement model was suitable, and convergent validity was confirmed. In the structural relationship, it was found that it had a complete mediating effect in the path of ‘self-esteem → peer attachment → teacher relationship → cyber delinquency problem consciousness’. Conclusions These findings are significant in that they reaffirm the importance of relationship formation and find ways to establish awareness of cyber delinquency problem consciousness.
Effects of Preservice Mathematics Teachers Running Untact Mathematics Experience Exhibition
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Heo Nam Gu
Published: July 2022

Objectives The purpose of this study is to share the cases in which preservice mathematics teachers ran an untact mathematics experience exhibition and to examine the running effects. Methods To do this, the entire process of 43 preservice mathematics teachers who ran the untact mathematics experience exhibition was examined. Video data, feedback data, activity photos, activity impressions, and satisfaction survey results of preservice mathematics teachers who ran the untact mathematics experience exhibition were collected and analyzed. The results of the survey were analyzed using frequency analysis, one sample t-test and exploratory data analysis, and data such as video data and feedback data were analyzed using triangulation to increase validity and reliability. Results In the process of preparing for the untact mathematics experience exhibition, we were able to examine the misconceptions of mathematics that preservice mathematics teachers had, and we could see them learning the mathematics knowledge included in the experience program. In addition, preservice mathematics teachers confirmed the prior knowledge of students though the curriculum, and confirmed the misconceptions that students can have through communication with other preservice mathematics teachers. In addition, preservice mathematics teachers showed that they produced and edited videos in consideration of students' prior knowledge and so on. Conclusions Preservice mathematics teachers can obtain the following effects for the running of the untact mathematics experience exhibition. First, it helps preservice mathematics teachers cultivate knowledge of mathematics content. Second, it helps preservice mathematics teachers with knowledge of pedagogical content. Third, it helps preservice mathematics teachers to improve their remote education capabilities.
An Analysis of Differences and Associations for Korean Language Education Communicative Competency depending on the Personal Variables of Elementary School Students
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Ryu Jung-O
Published: July 2022

Objectives The objectives of the study are to carry out an analysis of differences and associations for ‘Korean language education communicative competency’ depending on the personal variables of elementary school students. In this way, the study aims at providing students participating in the study a meaningful chance to self-examine their language in daily life and thus draw out meaningful educational implications for revitalizing the research of ‘Korean language education communicative competency’. Methods The study diagnoses ‘Korean language education communicative competency’ and ‘various personal variables(self-efficacy, self-esteem, public speaking anxiety, motivation to learn the Korean language subject, academic engagement for Korean language education, listening, empathizing, communication etiquette, peer relationships)’ with a focus on 5th and 6th grade elementary school students in the Gyeongnam region. Analysis methods involve ANOVA(one-way and two-way ANOVA) and cross-tabulation analysis with the purpose of analyzing the differences and associations for ‘Korean language education communicative competency’ depending on the personal variables of elementary school students. The analysis tools were Excel and SPSS(ver 23.0). Results Upon analyzing differences in ‘Korean language education communicative competency’ by each personal variable of the elementary school students, the study revealed statistically significant differences in ‘Korean language education communicative competency’ between groups(advanced, intermediate, beginner) in terms of overall personal variables(self-efficacy, self-esteem, public speaking anxiety, motivation to learn the Korean language subject, academic engagement for Korean language education, listening, empathizing, communication etiquette, peer relationships). Furthermore, the study confirmed a statistically significant association between over-all personal variables(self-efficacy, self-esteem, public speaking anxiety, motivation to learn the Korean language subject, academic engagement for Korean language education, listening, empathizing, communication etiquette, peer relationships) and ‘Korean language education communicative competency’. Conclusions The study analyzed differences and associations regarding ‘Korean language education communicative competency’ depending on the personal variables of elementary school students and, on this basis, drew out educational implications. Having provided students with a meaningful chance to self-examine their language in daily life, having accumulated information related to subject competencies, and having offered a model for subject competency assessment, the present study is capable of making contributions in terms of revitalizing education and research for ‘Korean language education communicative competency’.
The Lived Experience of Simulation practice integrated with Flipped-Learning on caring patients with Angina pectoris
Authors:   Korean Association For Learner-Centered Curriculum And Instruction, Lee Hyunsook Zin
Published: July 2022

Objectives This study was to identify the lived experience of simulation practice for caring patients with Angina pectoris integrated with flipped learning. Methods Qualitative research method of a phenomenological research was applied. Total 20 nursing students participated in the study. Data were collected by semi-structured questionnaires and analysed by using Colaizzi’s phenomenological research methods. Results 4 themes were extracted from 8 theme clusters and 16 formulated meanings. Main themes were ‘heightened tension’, ‘recognition of poor in knowledge of themselves’, ‘self-awareness of the necessity of deep learning’, and ‘narrowing the gap.’ The essential experience of nursing students on simulation practice of patients with Angina pectoris was the practice field for shortening the gap between theoretical knowledge and clinical practice. Conclusions It is necessary to understand the experiences of learners participating in simulation practice integrated with flipped learning and apply it to educational programs for nursing students in the future to derive more effective educational results.
The Conflict of sexuality in Films: Analysis of Nollywood depiction of Homosexuality
Authors: Sheidu Awodi , Jimoh Ibrahim , Nasidi Qaribu Yahaya
Published: July 2022

This study addresses a sensitive subject in the context of the socio-cultural, political, legal and religious opposition to homosexual groups in Nigeria. It addresses the social depictions, honest portrayal, and conflicts between heterosexual and homosexual characters based on sexuality in Nollywood films. The study adopted a quantitative content analysis of twenty (20) Nollywood films. The study revealed that homosexual characters are depicted as physiologically, psychologically, socially and spiritually misfits. However, the film producers made an educational effort in exposing practices seen as offensive to societal norms and values. Further findings reveal that homosexual characters are portrayed as morally negative. This demonstrates the truism of the normative hypothesis that media take colouration of society in which they are situated. Finally, the study revealed a high level of perceptual conflict of non-acceptance, stigmatisation, rejection and prohibited reaction by heteronormative characters towards homosexuals based on their sexuality. In this sense, the Nollywood films examined by this study illustrate unwelcome, stereotypic, anti-social and homophobic narratives of homosexual characters that align with Nigerian society's social, civil, cultural, and religious belief systems. It is recommended that well-researched based content on sexual minorities beyond the depiction of the social position on their sexuality to more issues relating to the causal factors and ways of addressing such sexuality should be more focused on since in it has been marked as a crime in Nigeria.
E.A. Gilyarova’s Memoirs about her Censor’ and Editor’ Work
Authors: Simonova Olga A.
Published: July 2022

The study of the history of censorship in the USSR attracts a large number of researchers, but publications of censors’ memoirs are not so common. The memoirs of E.A. Gilyarova represent one of the most interesting periods of the Soviet press, i. e. the 1930s. The introductory article to the publication examines the significance of the censors’ memoirs for the history of literature. A brief biographical note is given about Gilyarova, who, being a prominent Bolshevik, an employee of the People’s Commissariat of Education, was repressed in the 1930s. Subsequently, she contributed to the study of the Bolshevik movement’s history by publishing her memoirs and compiling several collections about the participants of the Revolution and the Civil War. In the being publishing memoirs, Gilyarova describes the internal routine of work in Gorlit, (the General Directorate for Literature and Publishing which carried out censorship in USSR), direct interactions with writers. The above episode with the B.A. Lavrenev’novel “The World in a Piece of Glass” shows how censorship changed the text: subsequently it was reproduced without the final author’s conclusion. Also, Gilyarova remembers how she took off an obscene poem from Nekrasov’s poetry collection. In the narrative about her work at the GIHL, Gilyarova pays the greatest attention to the figure of K.I. Chukovsky. She describes the editorial work on his book about N.A. Nekrasov, tells about the prohibition of Chukovsky’s works at the turn of the 1920s — 1930s. The present text allows us to form a more comprehensive picture of the pre-War development of Soviet literature, to make conclusions about the influence of censorship and editorial interference factors on it and to show this influence on concrete examples.
About Admiral Nakhimov, poet Ammosov and Public Unrest
Authors: Stroganov Mikhail V.
Published: July 2022

The article is devoted to the attribution of the poem “To the people of Sevastopol.” The author establishes that the poem was written in February 1863 by a former participant in the Crimean War of 1853 –1856 and quite famous poet A.N. Ammosov, whose other works are in the field of view of researchers. It turns out that the poem was created in connection with the participation of Ammosov in one of the annual dinners of veterans of the Crimean War, but did not immediately attract attention. It was first published in full in 1898 in the memoirs of a military journalist and writer, the initiator of the Sevastopol Defense Museum P.K. Menkov, however, this publication did not update the poem as a whole. The focus of attention was always only one stanza from it, in which the graves of admirals P.S. Nakhimov and V.A. Kornilov were mentioned. This stanza was first published in 1868 as an epigraph to an article by A.B. Aslanbegov, written in response to an article published in 1867 by a certain Sevastopolian who deheroized the admirals and presented the Battle of Sinop as a predictable victory due to the superiority of the Russian military forces and as a reason to involve England and France in the Crimean War. In February 1868, at a traditional Sevastopol dinner, many speakers argued with this article and quoted the stanza several times, referring to Aslanbekov. It was this publication that made the stanza relevant to our time.
Despicable Metal: the Entry of the Idiom into Literature
Authors: Dushenko Konstantin V.
Published: July 2022

The Russian idiom “despicable metal” in the meaning of “gold/ money” was descendant of the phrases “vile metal” (calque from the French “vil metal”), “worthless metal,” “despicable gold” (calque from the French “or méprisable”). At first, they were used in a moralistic and exemplary context, as a sign of condemnation of the desire for enrichment. The idiom “despicable metal” also has a counterpart in French and German (“métal méprisable,” “verächtliche Metall”). It entered Russian literature at the turn of the 1830s and 1840s, and among the authors of the first row this expression is invariably given in an ironic and parodic manner, even before Goncharov’s Ordinary Story (1847). Nevertheless, the role of Goncharov’s novel in the perception of an idiom new to the Russian language was exceptionally great. “Despicable metal” is one of the cross-cutting motifs of the novel, arising in the context of fundamental polemics with a pseudo-romantic life concepts.
Conhecimento de estudantes do terceiro ano do ensino médio sobre biodiversidade e extinção de animais
Authors: Duarte Cássia Maciel , Da Rosa Russel Teresinha Dutra , Martins Márcio Borges
Published: July 2022

A partir de uma revisão bibliográfica sobre a conservação ambiental no Brasil e no Rio Grande do Sul (RS), foi produzido um questionário com o intuito de identificar os conhecimentos de estudantes do terceiro ano do Ensino Médio, em quatro escolas da rede pública estadual de Porto Alegre, RS. Os resultados demonstram que os alunos pouco conhecem sobre a biodiversidade e os efeitos da extinção de espécies. Desconhecem as espécies nativas e ameaçadas no RS. Ignoram os conceitos de espécies endêmicas, nativas e exóticas e informaçõessobre grupos como morcegos e serpentes, indispensáveis à problematização de mitos e para evitar ameaças a esses grupos. Vinculam monocultura de árvores à conservação, não percebendo os impactos de espécies exóticas, como o Pinus, em ambientes como o Pampa. A partir do estudo, fica evidente a necessidade de abordar conhecimentos relacionados à conservação da biodiversidade, durante o período escolar, para formar sujeitos capazes de promover a sustentabilidade socioambiental.
João e Maria da Marinita: um trabalho sobre leitura, escrita e autoria na EJA
Authors: Bocasanta Daiane Martins , Da Luz Talia Prates , Dos Santos Isabelle Bertaco , Da Silva Marinita Barros
Published: July 2022

Este trabalho teve como objetivo desenvolver um recurso pedagógico com estudantes de uma turma de alfabetização da EJA de uma escola pública federal de Porto Alegre-RS. A partir da constatação de que existem poucos livros voltados para leitores iniciais daEJA, optou-se pela criação de um livro ilustrado a partir de uma história narrada por uma das estudantes. A construção desse material ocorreu no contexto dos estudos remotos em razão da pandemia de COVID-19. O referencial teórico situa-se em estudos como os de Goldin (2012) e Petit (2019). O trabalho que culminou na produção do livro, intitulado “João e Maria da Marinita” ocorreu através de algumas etapas: a) solicitação do compartilhamento de histórias através de áudios enviados via WhatsApp; b) escuta e transcrição dos áudios; c) adaptação das transcrições dos áudios, visando adequar e organizar as narrativas produzidas; d) seleção de um dos textos para produção do livro; e) divisão do texto em cenas a serem ilustradas; f) ilustração e diagramação do livro; g) impressão do livro e h) exploração deste em práticas pedagógicas com a turma. Ao final, foi possível observar a potencialidade de práticas pedagógicas voltadas para a promoção da leitura e da produção textual de alunos da EJA.
Dr. Miguel Eduardo Estofán (1922-2004)
Authors: D E Estofán
Published: July 2022

La Universidad Católica de Córdoba lo convoca el26 de noviembre de 1957 para ser Profesor titularde Obstetricia que se dictó por primera vez en 1962.Intervino en la formación de la Clínica ReinaFabiola que se ubicaba en aquel entonces sobre Bv.Illía. También fue presidente de varias SociedadesCientíficas.
Unveiling the biological interface of protein complexes by mass spectrometry-coupled methods
Authors: Shin Goeun , Lim Sung In
Published: July 2022

Most biomolecules become functional and bioactive by forming protein
complexes through interaction with ligands that are diverse in size,
shape, and physicochemical properties. In the complex biological milieu,
the interaction is ligand-specific, driven by molecular sensing and
recognition of a binding interface localized within a protein structure.
Mapping interfaces of protein complexes is a highly sought area of
research as it delivers fundamental insights into proteomes and
pathology and hence strategies for therapeutics. While X-ray
crystallography and electron microscopy still serve as a gold standard
for structural elucidation of protein complexes, artificial and static
analytic nature thereof often results in a non-native interface that
otherwise might be negligible or non-existent in biological environment.
In recent years, the mass spectrometry-coupled approaches, chemical
crosslinking (CLMS) and hydrogen-deuterium exchange (HDMS), have become
valuable analytic complements to traditional techniques. These methods
explicitly identify hot residues and motifs embedded in binding
interfaces, in particular, for which the interaction is predominantly
dynamic, transient, and/or caused by an intrinsically disordered
domain. Here we review the principal role of CLMS and HDMS in protein
structural biology with a particular emphasis on the contribution of
recent examples to exploring biological interfaces. In addition, we
describe recent studies that utilized these methods to expand our
understanding of protein complex formation and related biological
processes and to increase probability of structure-based drug design.
Diagnosis of tuberous sclerosis complex in adulthood: a case report
Authors: Cruz-Zuniga Rubén , Alas-Pineda César , Pineda-Vijil Héctor , Gaitán-Zambrano Kristhel , Flores-Reyes Diana , Pineda-Villeda Reenie , Quiñonez-Sánchez Marcos
Published: July 2022

Tuberous sclerosis complex (TSC) is an autosomal dominant genetic
disorder. TSC consists of a wide variety of clinical manifestations,
with neurological and dermatological symptoms being the most frequent.
This study aims to describe the clinical characteristics and management
of a pregnant patient incidentally diagnosed with TSC.
Energy properties and covalent characters of CO…H2O hydrogen bond
Authors: Xinying Li
Published: July 2022

Calculations at CCSD(T) theoretical levels with extended basis sets on
CO…H2O provide reliable structures and stability, as well as the
covalent character of the hydrogen bond. The interactions were
decomposed in the framework of symmetry adapted perturbation theory to
investigate the HB properties. It demonstrates that the electrostatic
and dispersion dominate the attraction for the optimized stable
structure; while for the long distance, it becomes pure electrostatic
force. The covalent character was analyzed by the AIM theory,
topological analysis on electron density function, delocalization index,
and reduced density gradient; and it suggests the very weak strength of
hydrogen bond with non-covalent character.
Black tongue with azithromycin: a rare case report
Authors: Pereira Pedro , Pereira Nivalda , Rodrigues Roberto
Published: July 2022

Black tongue is a rare, benign, self-limiting disorder caused by certain
conditions and some medications. We report a case of a woman diagnosed
with black tongue associated with azithromycin use. Black tongue after
antibiotics were seldom seen in the current era and Health care
professionals should be aware of it.
Novel results on the multi-parameters Mittag-Leffler function
Authors: Pan Yu-Mei , Liu Jian-Gen
Published: July 2022

In this article, the multi-parameters Mittag-Leffler function is studied
in detail. As a consequence, a series of novel results such as the
integral representation, series representation and Mellin transform to
the above function, are obtained. Especially, we associate the
multi-parameters Mittag- Leffler function with two special functions
which are the generalized Wright hypergeometric and the Fox’s-H
functions. Meanwhile, some interesting integral operators and derivative
operators of this function, are also discussed.
The Exponential Decay Functions for Prey and Predator Species in a Fractional-Order Ecosystem Model with Considering Global Warming Phenomena
Authors: AGARWAL PRAVEEN , Thirthar Ashraf Adnan , Alaoui Abdesslem Lamrani
Published: July 2022

This study examines the memory eﬀect on predator-prey interactions in
the face of global warming, employing a fear function with a Holling
type II function to characterize the consumer prey and predator species.
The eﬀect of global warming on both prey and predators was studied using
the exponential decay function. The system’s equilibria are determined,
and the system’s stability is established around the equilibrium points.
A series of numerical simulations are done to evaluate the theoretical
component of the work and show the impacts of global warming, anxiety,
and fractional order on our model’s behavior.
Consensus definition of essential, optimal, and suggested components of a pediatric Sickle Cell Disease Center
Authors: Hulbert Monica L. , Manwani Deepa , Meier Emily , Alvarez Ofelia , Brown R. Clark , Callaghan Michael U. , Campbell Andrew , Coates Thomas , Frei-Jones Melissa , Hankins Jane , Heeney Matthew , Hsu Lewis , Lebensburger Jeffrey , Quinn Charles , Shah Nirmish , Smith-Whitley Kim , Thornburg Courtney , Kanter Julie
Published: July 2022

Sickle cell disease (SCD) requires coordinated, specialized medical care
for optimal outcomes. There are no United States (US) guidelines that
define a pediatric comprehensive SCD program. We report a modified
Delphi consensus-seeking process to determine essential, optimal, and
suggested elements of a comprehensive pediatric SCD center. Nineteen
pediatric SCD specialists participated from the US. Consensus was
predefined as 2/3 agreement on each element’s categorization. Twenty-six
elements were considered essential (required for guideline-based SCD
care), ten were optimal (recommended but not required), and five were
suggested. This work lays the foundation for a formal recognition
process of pediatric comprehensive SCD centers.
LONG TERM EFFECT OF INTEGRATED NUTRIENT MANAGEMENT ON POOLS OF NITROGEN IN RHIZOSPHERE AND NON RHIZOSPHERE SOILS
Authors: S Spoorthishankar K. , Krishnamurthy R.
Published: July 2022

Management practices can have significant implications for both soil
quality and soil fertility. The observation on different pools of
nitrogen in rhizosphere and non-rhizosphere in the long term are
limited. Here we present the results on different pools of nitrogen in
soil from long term integrated nutrient management practices under
finger millet – groundnut cropping system, that has been in operation
for more than 42 years. Organic manures - farmyard manure, maize residue
and mineral fertilizers had been applied repeatedly for 42 years with
finger millet – finger millet mono-cropping and finger millet-
groundnut cropping system. The results indicated that all the nitrogen
fractions were found to be higher in non-rhizosphere soil except total
nitrogen and ammonical nitrogen fractions. The combined application of
FYM @ 10 t ha and mineral fertilizer 100% RDF in
finger millet – groundnut cropping system recorded significantly higher
total nitrogen (R-969.20 mg kg ; NR-956.93 mg kg
), nitrate nitrogen (R-84.00 mg kg
; NR-85.40 mg kg ), Ammonical N
(R-109.20 mg kg ; NR-106.30 mg kg
) and organic nitrogen fractions in both rhizosphere
and non-rhizosphere soil. The total nitrogen was found to be
significantly and positively correlated with organic carbon (r =
0.718**, r = 0.831**), available nitrogen (r = 0.912**, r = 0.915**),
MBN (r = 0.912**, r = 0.914**) and urease (r = 0.809**, r = 0.820**) in
case of both rhizosphere and non-rhizosphere soil. All the nitrogen
fractions were significantly and positively correlated with each other
indicating the existence of dynamic equilibrium.
The effect of herd size on dairy cows' welfare quality - provision of good feeding and housing
Authors: Ostojic-Andric Dusica , Hristov Slavca , Stankovic Branislav , Niksic Dragan , Stanojkovic Aleksandar , Samolovac Ljiljana , Marinkovic Milos
Published: July 2022

In the last decades, there has been a trend present in the world to increase
the size of dairy herds while increasing the yield of milk per head. In
addition to environmental and economic benefits, this trend carries certain
risks for the welfare of cows because in conditions of increased
agglomeration of cattle the possibility of spreading of pathogens is also
increased, there are less opportunities for adequate control and cows are
exposed to greater selection and production stress. Research of the
relationship between herd size and welfare quality parameters is still not
sufficient to make relevant conclusions. Starting from that, the aim of this
study, conducted in Serbia, is to examine the influence of herd size on
parameters related to providing good feeding and housing conditions as
important segments of the overall welfare of dairy cows. The assessment of
given welfare parameters was done by Welfare Quality? Assessment Protocol
for Cattle (2009) on 16 dairy farms of different herd sizes (large, medium
and small) and housing management. The results indicate that there are
significant variations in welfare indicators in each of the observed groups,
which is why the size of the herd cannot be taken as a parameter that
explicitly determines the quality of welfare. However, individual
observation and comparison of welfare parameters between groups indicate
that small herds in our production conditions could be identified as the
greatest risks to the welfare of cows. In small herds, the highest share of
cows of poor (4.62%) and fattened condition (8.76%) was found, as well as
the lowest freedom of movement because cows on small farms are mostly reared
in a tied system. Average values of indicators: lying down time (6.24s),
frequency of collisions with equipment (13.25%) and high dirt contamination
of cows (65.6-89.8%) further emphasize the issue of providing comfort in
small herds.
Preparation and physicochemical properties of naturally grown green Spirogyra algae biodiesel
Authors: Kalyani Teku , Prasad L.S.V. , Kolakoti Aditya
Published: July 2022

In this study, biodiesel was produced from a naturally grown green algae (Spirogyra). The algae were cultivated in an open pond for 180 days without any fertilizers or nutrients. The dried algae powder to oil yield and significant fuel properties of viscosity, density, cetane number, calorific value, flash point, pour, and cloud points are investigated for B10 to B100 blends. The results of solvent oil extraction show that at a 1:2 (algae powder to solvent) ratio and 65 ?C, algae oil yield was 22.66%. Furthermore, Box-Behnken assisted response surface optimization technique was implemented. From the 29 random experiments, 96.24% Spirogyra algae oil biodiesel (SAOBD) yield was achieved under the optimum conditions of 50 ?C, 180 minutes, the molar ratio of 9:1, and catalyst concentration of 0.5 wt%. The fatty acid composition reveals that 73.95 wt% saturated FAC was observed in SAOBD. The significant fuel properties are measured by following ASTM-D6751 standards, and 40% SAOBD in diesel fuel could be an optimum blend ratio for engine experimentation. Finally, regression equations with high correlation coefficients (R2) were developed to predict the various blend ratios for the fuel properties.
The second regularized trace of even order differential operators with operator coefficient
Authors: Baksi Özlem , Sezer Yonca
Published: July 2022

In this paper, we investigate the spectrum of the self adjoint operator L
defined by L := (-1)r d2r/dx2r + A + Q(x), where A is a self adjoint
operator, Q(x) is a nuclear operator in a separable Hilbert space, and we
derive asymptotic formulas for the sum of eigenvalues of the operator L.
New areas for applications of contractive mappings
Authors: Hosseinpour H. , Marasi H.R. , Afshari H. , Akbarfam Jodayree
Published: July 2022

In this paper, as a new application of fixed point theorems, we utilize some new contractions to study the existence and uniqueness intervals of some different classes of nonlinear boundary eigenvalue problems in integer and fractional order.
Geometrical and physical properties of W2-symmetric and -recurrent manifolds
Authors: Zhao Di , Ho Talyun
Published: July 2022

The authors discuss mainly that the Riemannian manifold Mn admitting a unit preserving circle field ? in the present paper. A sufficient and necessary condition is given that Riemannian manifold Mn is an Einstein manifold by imposing some conditions on W2 curvature tensor. Further, this paper obtains the algebra representation of curvature tensors of a W2-recurrent Riemannian manifold Mn given by R???? = 1/d2 [d?d?R?? ? d?d?R?? + d?d?R?? ? d?d?R??].
A new method of constructing weak crossed products
Authors: Chen Quan-Guo
Published: July 2022

This paper is devoted to constructing a new class of weak crossed products.
Matrix pencils completions under double rank restrictions
Authors: Dodig Marija
Published: July 2022

In this paper we study the General Matrix Pencil Completion Problem under
double rank restrictions. Considered rank restrictions are not structural,
hence the obtained results deal with full sets of Kronecker invariants of
the involved matrix pencils, and they generalize many of the existing
results in the literature, for example [1, 5, 7, 9, 11, 12, 21, 24, 45, 46].
Main methods consist of combining the celebrated S?-Thompson?s result [1,
39, 44] with novel results on rank restrictions in completions of matrix
pencils. All of the obtained results are explicit and constructive.
Therapeutic options in the treatment of supernumerary teeth
Authors: Jankovic Svjetlana , Kujundzic Bojan , Davidovic Bojana , Lecic Jelena , Hrisa-Samardzija Jovana , Ivanovic Tanja
Published: July 2022

Introduction. Hyperdontia or supernumerary teeth are excess number of teeth in comparison to normal dentition. The aim of this study was to present different variants of permanent supernumerary teeth, as well as their observation or elimination in order to prevent possible complications Case report. Six different cases of hyperdontia are presented in this paper. All hyperdontia cases were multidisciplinary evaluated and individual treatment protocols were applied. Already erupted supernumerary teeth were extracted without surgical intervention. Unerupted teeth were surgically removed or left for observation. Conclusion. Early and frequent dental check-ups are very important for children in order to detect possible dentition irregularities and thus timely start with appropriate therapy.
Oral manifestation of ulcerative colitis
Authors: Djurickovic Aleksa , Djurickovic Mirjana
Published: July 2022

Introduction. Ulcerative colitis is an inflammatory bowel disease. Primary
involvement is the colon. Changes in the oral cavity may occur as the part
of extraintestinal manifestations of the disease. Most common are aphthous
ulcers, angular cheilitis and pyostomatitis vegetans which is a specific
marker of ulcerative colitis. Case report. This case describes a 53-year-old
patient who developed oral lesions as the part of ulcerative colitis. The
patient was without symptoms of ulcerative colitis at the time of reporting
to the dentist. After a few days, ulcerative colitis activated. Conclusion.
Changes that occur in the oral cavity may precede intestinal. It is very
important that a dentist recognizes such changes and refers the patient to a
gastroenterologist.
Deposition of copper sulfide films on polyamide surface
Authors: Petrasauskiene Neringa , Paluckiene Edita , Alaburdaite Rasa , Gilic Martina
Published: July 2022

In this paper, we present a novel and low - cost method for preparing copper
sulfide films on polyamide. Non-treated as well as pre-treated PA6 films by
3 different methods (in boiled water; in NaOH solution; in boiled water and
then in NaOH solution) were used for the formation of Cu2S layers by the
sorption-diffusion method. Molten sulfur has been used as a sulfurization
agent. The XRD, FTIR, and UV-VIS methods were used to characterize the
structural, optical, and electrical properties of samples and to track
changes in samples after each treatment stage. The sheet resistance of Cu2S
layers depends on the pre-treatment method and varied from 7 k?/sq to 6
M?/sq. The optical band gaps (Eg) for direct and indirect transitions are
determined to be 2.61-2.67 eV and 1.40-1.44 eV, respectively. Furthermore,
the optical constants n, k, and ? are determined from UV-VIS measurements.
Investigation of the microstructure-hardness and wear performances of hybrid/composite materials Al2O3/SiC particle reinforced in AA 7075 matrix
Authors: Özkan Zübeyde , Gökmeşe Hakan , Gökmen Uğur
Published: July 2022

As a result of advances in science and technology, the importance of metal
matrix composite materials is increasing gradually today. However, in many
studies, composite production is carried out with monotype ceramic particle
reinforcement. In this study, the production, microstructure-hardness, and
wear performance of composite-hybrid materials that had AA 7075 aluminum
powder metal matrix and were reinforced by SiC and Al2O3 ceramic particles
at different ratios were examined. The prepared Matrix and reinforcement
powder mixtures were mixed for half an hour in the three-axis Turbula T2F
type mixer and then, pressed unidirectionally and cylindrically under the
pressure of 700 MPa. The pressed samples were sintered for 1 h at a
temperature of 600oC in the argon atmosphere. Microstructure examinations
were carried out using SEM (Scanning Electron Microscope) and optical
microscope devices, while hardness measurements were obtained as a result of
Brinell measurement. Wear performance of the test samples were tested in the
Pin-on-disk type device at 10 N load and 500 rpm rotation speed by depending
on the wear distances at 1000, 1500 and 2000 m. It was observed that
hardness increased as the amount of ceramic particle in composite-hybrid
samples increased. As a result of wear tests, in hybrid composites, compared
to single-phase ceramic particle reinforced composites, weight losses
increased depending on the increase in the reinforcement amount.
Synthesis and sintering impact on the properties of willemite based glass-ceramics using rice husk waste as silica source
Authors: Wahab R.A.A. , Zaid M.H.M. , Matori K.A. , Halimah M.K. , Sidek H.A.A. , Fen Y.W. , Abdu A. , Shofri M.F.M. , Jaafar S.H.
Published: July 2022

The impact of sintering duration on willemite-based glass-ceramics (WGC)
derived from the ZnO-B2O3-SiO2 host system through a conventional
melt-quenching method by incorporating rice husk ash (RHA) as the silica
(SiO2) source was comprehensively studied by means of physical, structural,
and optical properties. The increment of sintering duration elevated the
diffusivity rate resulting in a gradual increment of bulk density and linear
shrinkage over sintering time. The XRD patterns affirmed the ?-Zn2SiO4 phase
formed after sintering at 700?C for 2 h, followed by ?-Zn2SiO4
crystallization at a higher holding time. FESEM observation revealed that
Zn2SiO4 embedded in the glassy solid phase and grew in equiaxed shape
crystals as the holding time increased. Absorption spectra revealed the
increasing trend in absorption bands with an increase in sintering duration
due to the intensification of Zn2SiO4 crystallization thus escalating the
green emission. Thus, this WGC will be applied as optically phosphor
materials.