bluuebunny/crossref_metadata_2025 huggingface dataset:
Metacognitive skills of student in solving problems of two-variable linear equation systems in terms of self-regulated learning
Authors: Rahmawati Erlina Zulva , Setyaningsih Nining
Published: May 2023

It is empirically known that metacognitive skill contributes to self-regulated learning. This study aims to describe students’ metacognitive skills in three levels of self-regulated learning, particularly in solving problems of a two-variable linear equation system. Three indicators were used in metacognition skills, namely planning indicators, monitoring indicators, and evaluation indicators. Employing a descriptive qualitative approach, this study involved  All students of grade VIII A of  the academic year 2021/2022 from a state junior school    as subjects  involving each category for high, medium, and low self-regulated learning. The data were collected  using questionnaires, tests, interviews, documentation, and observation. A triangulation method, The data were then analyzed  through condensation, data presentation, and drawing conclusions. is the current study found that high learning students used their metacognitive skills well and met three indicators, namely planning indicators, monitoring indicators, and evaluation indicators. Students with moderate self-regulated learning were able to meet two indicators, including planning indicators and monitoring indicators, while those with low self-regulated learning only met planning indicators.
Problem-based learning and case-based learning: which is more effective for fostering mathematical connection?
Authors: Dewi Erlinda Rahma , Nurjanah Arifta
Published: May 2023

Problem-Based Learning (PBL) and Case-Based Learning (CBL) are two typical learning approaches that involve problem-solving activities, likely to encourage students' mathematical connection abilities. This study aimed to describe the differences in mathematical connection ability between students studying with the PBL and those who used the CBL approach. A quasi-experiment with a pretest-post-test non-equivalent group design was conducted for the purpose. The data collection method was non-routine problems about mathematical connections. The data was analyzed using inferential statistics. Paired sample t-tests adopted were to examine the difference between pretest and post-test data in each experimental class, and independent sample t-tests were to verify the difference in the effectiveness of the two learning approaches. The results showed that the PBL and CBL approach enhanced mathematical connection ability. However, there was no significant difference in the mathematical connection ability between students who studied with the PBL and CBL approaches. The results, furthermore, suggest teachers construct appropriate learning to foster mathematical connection ability.
A Scoping Review of the Effect of the COVID-19 Pandemic on Patients Under Infertility Treatment
Authors: Jeon Boyoung , Kim Hongbi , Jeong Hye In
Published: May 2023

Purpose: This study aimed to conduct a scoping review to understand how the coronavirus disease 2019 (COVID-19) pandemic has affected patients under infertility treatment.Methods: The 5 steps of the scoping review by Arksey and O’Malley were applied: (1) identifying the research question; (2) identifying relevant studies; (3) study selection; (4) charting the data; and (5) collating, summarizing, and reporting the results. Using 2 databases (PubMed and Cochrane Library), studies on COVID-19 and infertility treatment were searched, and 13 articles were selected for analysis.Results: The studies were conducted in North America (5 articles), Europe (3 articles), Asia (2 articles), and other regions (3 articles). The academic fields of the published journals were primarily reproductive medicine (10 articles), followed by psychiatry and psychology (2 articles), and complementary medicine (1 article). Regarding the research topic, studies on stress and anxiety were the most common (7 articles), followed by pregnancy rates (3 articles), and pregnancy planning or treatment decisions (3 articles). The COVID-19 pandemic had a negative effect on stress and anxiety of patients in 5 out of 7 articles, no changes in pregnancy rates in 3 out of 3 articles, and negative effects on pregnancy planning or treatment decisions in 2 out of 3 articles.Conclusion: The results of this review suggest that evidence-based information on patients with infertility is needed to prevent unnecessary anxiety, stress, and treatment delays in the upcoming postpandemic transition period.
Ontarians’ Perceptions of Public Health Communications and Misinformation During the COVID-19 Pandemic: Survey Study
Authors: Fahim Christine , Cooper Jeanette , Theivendrampillai Suvabna , Pham Ba' , Straus Sharon
Published: May 2023

Background

Clear, accurate, and transparent risk communication is critical to providing policy makers and the public with directions to effectively implement public health strategies during a health emergency.

Objective

We aimed to explore the public’s preferred sources of obtaining COVID-19 information, perceptions on the prevalence and drivers of misinformation during the pandemic, and suggestions to optimize health communications during future public health emergencies.

Methods

We administered a web-based survey that included Likert scale, multiple choice and open-ended response questions to residents of Ontario, Canada. We aimed to recruit a sample that reflected population diversity with respect to age and gender. Data were collected between June 10, 2020, and December 31, 2020, and were analyzed using descriptive statistics; open-ended data were analyzed using content analysis. Subgroup analyses to explore perceptions by age and gender were conducted using ordinal regression.

Results

A total of 1823 individuals participated in the survey (n=990, 54% women; n=703, 39% men; n=982, 54% aged 18-40 years; n=518, 28% aged 41-60 years; and n=215, 12% aged ≥61 years). Participants most commonly obtained COVID-19 information from local television news (n=1118, 61%) followed by social media (n=938, 51%), national or international television news (n=888, 49%), and friends and family (n=835, 46%). Approximately 55% (n=1010) of the participants believed they had encountered COVID-19–related misinformation; 70% (n=1284) of the participants reported high levels of trust in health authority websites and health care providers; 66% (n=1211) reported high levels of trust in health ministers or public health organizations. Sources perceived to be less trustworthy included friends and family, talk radio, social media, as well as blogs and opinion websites. Men were more likely to report encountering misinformation and to trust friends or family (odds ratio [OR] 1.49, 95% CI 1.24-1.79) and blogs or opinion websites (OR 1.24, 95% CI 1.03-1.50), compared to women. Compared to those aged 18-40 years, participants aged ≥41years were more likely to trust all assessed information sources, with the exception of web-based media sources, and less likely to report encountering misinformation. Of those surveyed, 58% (n=1053) had challenges identifying or appraising COVID-19 information.

Conclusions

Over half of our participants perceived that they had encountered COVID-19 misinformation, and 58% had challenges identifying or appraising COVID-19 information. Gender and age differences in perceptions of misinformation and trust in information sources were observed. Future research to confirm the validity of these perceptions and to explore information-seeking patterns by population subgroups may provide useful insights on how to optimize health communication during public health emergencies.
The Impact of Information Sharing and Inventory Management Practices on Firms’ Performance in Supply Chain Practices
Authors: Gebisa Diriba Ayele
Published: May 2023

This study’s aim is to conduct an empirical investigation of the impact of supply chain practices on firm performance. The prime objective of the paper is to study the impact of information-sharing practices and inventory management on firm performance. To realize the specified objective of the study, data were gathered from 170 individuals who are familiar with the supply chain practices of the companies and analyzed using structural equation modeling (SEM). The result shows a significant direct and indirect effect of information sharing and inventory management practices on firm performance. Generally, the results show that higher information-sharing practices and better inventory management practices lead to greater firm performance; and higher information-sharing leads to improved inventory management, which in turn leads to greater firm performance. Theoretically, the result provides evidence of the effects of information sharing and inventory management on the supply chain practices’ performance in a firm. The managerial implications of the results are enhancing information sharing and inventory management practices by adopting, internalizing, and building information technology into all the business operations to enhance information sharing and inventory management practices to enhance firm performance.
Mangosteen Garcinia mangostana L. simplicia effect on bone structure and behaviour of Wader Fish Rasbora lateristriata (Bleeker, 1854) Embryo
Authors: Retnoaji Bambang , Paramita Pradnya , Khasanah Luthfia Uswatun
Published: May 2023

Mangosteen (Garcinia mangostana L.) is a fruit originating from the tropics which belongs to the Clusiaceae family and has become a commodity with many enthusiasts from various countries. Previous research has shown that mangosteen peel extract has tremendous potential to be developed as an ingredient in herbal medicine. Mangosteen fruit contains anti-inflammatory, antibacterial, antifungal, antihistamine, antidiabetic, anticancer, and so on. The results of the phytochemical screening test of 95% ethanol extract on mangosteen rind showed that it contained flavonoid compounds, saponins, alkaloids, triterpenoids, tannins and polyphenols. There is no data on the effect of exposure to mangosteen pericarip simplicia, therefore it is necessary to study the effect of exposure to mangosteen peel decoction on animal models of Wader Pari Fish (Rasbora lateristriata), with parameters such as morphology and bone structure in larvae wader fish (Rasbora lateristriata). Alcian Blue Alizarin Red staining were used to study bone structure in wader fish (Rasbora lateristriata). Data were statistical analysis with SPSS ver. 25 and the significance was determined using one-way analysis of variance (ANOVA). The morphological examination results revealed that the embryo and larvae had no morphological abnormalities. The cranial cartilage examination also revealed that the larvae had no abnormalities, the length and the angle of the cranial cartilage did not change between the control and mangosteen pericarp simplicia treatment.
Search for Transpace: A Study of Mohsin Hamid’s Exit West
Authors: Sukheeja Vandana , Bhangu Jap Preet Kaur
Published: May 2023

The problem of refugees has spread at a large scale throughout the world in the twenty-first century. Refugees are the migrants worst-hit by their destinies as they are forced to leave their home and hearth due to some sort of political or religious conflicts, war or violence. They are completely unwanted in the country of their arrival due to fear and suspicion of the natives. At the same time refugees earnestly desire to be treated on humanitarian ground and regain the lost space in this world. Mohsin Hamid marvelously deals with this problem of refugees in his fourth novel Exit West (2017) from the transcultural lens with the hope to create a transpace for refugees. The paper examines how migrants are forced to leave their homeland as they are not considered as lawful citizen of the land and are devoid of basic human needs. The paper explores the struggle of refugees in the initial period before achieving their transcultural space in the foreign land. In addition to this, the paper also analyzes the effect of their movement, struggle and success in creating transpace on their identity.
Satisfacción del servicio bibliotecario en una universidad pública del estado de Tabasco
Authors: Juárez Solís Sandra , Zetina Pérez Carlos David , Martínez Flores Bertha Juliana
Published: May 2023

El objetivo principal de la investigación es analizar el nivel de satisfacción de los usuarios, así como identificar los factores influyentes en la biblioteca central Manuel Bartlett Bautista ubicada en la Universidad Juárez Autónoma del municipio Centro, Tabasco. La investigación es de tipo cuantitativo con un alcance descriptivo y diseño no experimental; las variables se analizan de forma independiente; la unidad en análisis fue la División Académica de Ciencias Económicas Administrativas, con una población de 3 956 alumnos activos, de los cuales participaron 458 en el estudio de satisfacción, y se tomaron en cuenta cinco dimensiones de la calidad en el servicio. Entre de los factores que influyeron significativamente en los resultados, se encuentran: el género, que en el caso del grupo femenino mostró mayor satisfacción en las dimensiones de tangibilidad, tiempo de respuesta y seguridad; las licenciaturas, donde Economía y Mercadotecnia marcaron diferencias en la dimensión de seguridad; un factor más que influyó fue la conectividad de internet en la dimensión de empatía, añadiendo que los usuarios con un trabajo muestran menor satisfacción. Se concluyó que los usuarios se encuentran satisfechos, debiendo mejorarse los aspectos de significancia para el bienestar y el aumento de los usuarios de la biblioteca.
Smart Irrigation System
Authors: Mankar Prof. P. M. , Kalmegh Prof. S. V.
Published: May 2023

Abstract: IoT and Remote Detecting Innovation are generally utilized wherever in the current logical world. As the innovation is developing and evolving quickly, Remote detecting Organization (WSN) serves to update the innovation. In the examination field of remote sensor networks, the power effective time is a significant issue. The answer to this issue can be tackled by utilizing the LoRaWAN innovation with IoT. The fundamental thought of this is to grasp how information goes through a remote medium transmission utilizing remote sensor organization and checking framework. This paper plans a water system framework that is robotized by utilizing controllable boundary soil dampness on the grounds that they are the significant elements to be controlled in Dad (Accuracy Horticulture).
Chat Application with Profanity Check
Authors: Ahuja Ayush , Chaurasia Gautam , Gupta Aakash , Rathi Dr. Sheetal
Published: May 2023

Abstract: The use of chat applications has increased to a large extent because it provides users with the facility to interact with their family and friends instantly. But these chat applications are being used for carrying out some unethical practices like cyber-bullying, online harassment, etc and there is a need to find a way to curb this issue. This paper aims to give a clear insight into solutions currently being employed or suggested to overcome this problem and to identify the drawbacks associated with these solutions on a large scale. It also proposes a working model for chat apps with profanity detection based on the gaps identified which can detect foul language and thus it can significantly reduce these unethical practices prevalent today in the world of social media.
THE EUROPEAN UNION CHARTER OF FUNDAMENTAL RIGHTS: STRENGTHENING THE PARTICIPATION IN THE EUROPEAN UNION
Authors: Mahmutovic Adnan
Published: May 2023

This study employed legal and political analysis to assess the significance of the European Union Charter of Fundamental Rights to strengthen the democratic legitimacy of the European Union. There is a lack of comprehensive analysis of the contribution of the European Union Charter of Fundamental Rights to enhance the democratic legitimacy of the European Union. Therefore, this study tried to address the gap by focusing on specific provisions of the Charter that are designed to promote participatory democracy and to foster a closer relationship between the citizens and the European Union. The study also explored the legal challenges and complexities surrounding the interpretation, application, and balance of fundamental rights in the European Union, especially considering recent verdicts of national constitutional courts and their implications for the role of the European Court of Justice. The study aims to identify potential benefits of the Charter, such as improving the relationship between the EU and its citizens and strengthening the European Union’s legal system and legitimacy by safeguarding citizens’ fundamental rights.
Enzymes of purine metabolism — biomarkers for the diagnostics of tuberculous pleurisy in patients with HIV infection
Authors: Dyakova M. E. , Vladimirov K. B. , Esmedlyaeva D. S. , Yablonskiy P. K.
Published: May 2023

The objective of the study was to evaluate the information content of determining the activity of adenosine deaminase and adenosine deaminase-2 in the diagnosis of tuberculous pleurisy in patients with HIV infection.

Materials and methods. A total of 378 patients with pleural effusion were retrospectively examined. In 215 cases, tuberculous pleurisy was detected (TP); and 163 patients had non-tuberculous pleural effusion (non-TP). As much as 27 patients in the TP group were HIV co-infected (TP/HIV+), the remaining 188 patients were HIV — negative (TP/HIV–). In all the patients, the activity of total adenosine deaminase (ADA) and its isoenzymes (ADA-1 and ADA-2) in the pleural fluid was determined.

Results and discussion. In the TP group, the activity of total ADA (95.5 [67.7; 115.4] versus 82.0 [59.6; 100.0] U/L, p=0.1), ADA-1 (14.2 [5.8; 20.5] versus 12.1 [6.1; 23.7] U/L, p=0.9) and ADA-2 (78,1 [38.1; 93.1] versus 62.4 [35.4; 82.2] U/L, p=0,1) did not depend on HIV status. The activity of these indicators was determined above the threshold level — total ADA in 96.3% and 95.2%, ADA-1 in 25.9% and 30.8% and ADA-2 in 92.6% and 83.3% of cases in the «TP/HIV+» and «TP/HIV–» groups, respectively. A negative correlation between ADA-1 activity and HIV viral load in the group of patients with tuberculous pleurisy and HIV infection (r=–0.45; p=0.008), as well as in the subgroup of TP/HIV+ patients who received (r=–0.9; p=0.008) and in those who didn’t receive ART (r=–0.47; p=0.04) was obtained. Our results show that a total ADA activity increase in the patients with tuberculous pleurisy, regardless of patients’ HIV status, occur due to ADA-2. Thus, the increase in activity of total ADA and ADA-2 in our study was caused by active tuberculosis, not by the presence or absence of HIV co-infection. Also, the ADA-2 activity in HIV-infected patients is likely consistent with ADA-2 important role in cellular immune responses.

Conclusion. Our data indicate the participation of purine metabolism enzymes in the pathogenesis of HIV infection. At the same time, adenosine deaminase activity is not a specific biomarker of individual changes characteristic of HIV infection. The study results suggest that the total adenosine deaminase and adenosine deaminase-2 activity increase is a valuable and diagnostically significant marker of tuberculous pleurisy in HIV-infected patients. The value of adenosine deaminase and adenosine deaminase-2 activity remains high even in the patients having severe immunosuppression, which allows them to be actively used for rapid diagnostics and hence, early TB therapy initiation.
Intense bacteremia in sepsis in an HIV-infected patient, detected by microscopy of a peripheral blood smear
Authors: Sosnin D. Yu. , Bazarnyj V. V. , Shhjokotova A. P. , Nasibullina N. I.
Published: May 2023

Sepsis remains relevant especially among people with immunodeficiency. The article presents a case of sepsis with a rapid fatal outcome in an immunodeficient patient. The diagnosis of sepsis was promptly confirmed by detecting bacteremia by microscopy of a stained smear of the patient’s peripheral blood. The publication discusses the problems of lifetime diagnosis of sepsis based on the results of a general blood test. The data on the need for a correct assessment of the results of the 5-diff hematological analyzer in patients using light microscopy data, especially when detecting a large content of erythroblasts, are presented.
Perlindungan Hukum Korban Tindak Pidana Tabrak Lari di Serang Kota
Authors: Kirana Anindya Sekar , Fuqoha Fuqoha , Agustin Fitria
Published: May 2023

A traffic accident in which the perpetrator is not responsible, leaving the victim alone without stopping the vehicle, and not providing assistance is called a hit-and-run. The crime of hit and run is a problem that needs to be addressed because it is an immoral act and harms others. This thesis will be discussed Police Efforts in protecting hit-and-run victims in the Serang City Region and the Police's efforts to deal with obstacles in protecting hit-and-run victims in the Serang City Region. The research method used is empirical juridical, namely examining applicable legal provisions with data obtained in the field, namely the Serang City Police Resort, in the form of processing data on hit-and-run cases by the police and interviews to obtain information about the factors causing the hit-and-run crime, as well as the handling process. by the police in this case. The handling of the hit-and-run by the police is after receiving a report of a traffic accident, going directly to the crime scene (TKP), collecting evidence, and making an official report at the crime scene. After finding the culprit, an investigation is carried out, if an investigation into the hit-and-run case has been carried out and not found sufficient evidence, then the investigation is terminated (SP3). However, if the perpetrator has not been found, the investigation will continue until the perpetrator is found. In handling hit-and-run criminal cases, the police often experience obstacles, including the lack of evidence and witness statements, and the lack of infrastructure and human resources in the traffic unit which results in delays in handling hit-and-run accidents in the Serang City Police District.
Sexual Harassment in Cyberspace in the Perspective of Islamic Criminal Law and National Law
Authors: Syatar Abdul , Kurniati Kurniati , Rindi Rindi , Ramli Arif Rahman
Published: May 2023

Sexual harassment in verbal and non-verbal forms has become increasingly prevalent globally. This study revealed cases of sexual harassment in cyberspace in accordance with National Law regulations in Indonesia on immortality, such as the Criminal Code and Law Number 4 of 2008 concerning Pornography and Law Number 13 Of 2006 on Legal Protection of Witnesses and Victims. Meanwhile, in the Islamic legal order, sexual harassment in cyberspace is seen in the discussion of the Jinayah Fiqh, classified as jarimah takzir and contains elements of abomination or insulting acts. The legal protection for victims of sexual harassment in Islamic law is in the form of imposing sanctions on perpetrators, which the government determines following the magnitude of their crime. The hope of strengthening immoral punishment has become necessary for Indonesia by considering the spirit and value embodied in Islamic criminal law.
The Principles & Practices of Water Consumption According to Ayurveda- A Cross- Sectional Survey
Authors: Fadanavis Madhura , Sawarkar Dr. Gaurav , Sawarkar Dr. Punam
Published: May 2023

Well-balanced water (Pana) and food (Aahar) input are essential. Ayurvedic literature outlines certain rules for proper food intake and Ahar, retaining vigor and life duration. In water, trace elements can be found in high concentrations. Children, pregnant women, and the elderly have higher water requirements. Drinking water can be processed in a variety of ways using natural methods. The context of Ayurveda mentions the benefits of drinking Ushnodaka (warm water). In Ayurveda, there are various advantages of drinking water. The benefits of drinking warm water were also emphasized in Ayurveda. Drinking water habits are crucial for good health because dietary habits are important for a person's lifestyle. The aim and objective of the study were to understand the domestic cause of lifestyle illnesses associated with improper water consumption habits and to create awareness regarding water consumption practices. Data was gathered from the general public who suffer from lifestyle diseases and those ready to participate. The data was collected with the specially designed inquiry form and a standard Prakriti (physical and mental constitution of the body) questionnaire. 250-sample size, among which 40% were male and 60% female. It was found that most of the population belongs to Kapha dominant Prakriti, i.e., 149 (59.6%), whereas 45 (18%) and 56 (22.4%) population was of Vata & Pitta dominant Prakriti, respectively. 80.4 % of people drink water in seating positions, and 56% directly swallow water. 70% of people drink normal water, and 44 % drink clay pot water in summer. Type II diabetes is the most common lifestyle disorder. A reduction in water intake triggers type II diabetes. It has been discovered that people do not immediately drink water after getting out of bed, which causes gradual weakness. Instead, people drink water before a meal, which helps them to lose weight. The intake of one glass of water before going to bed reduces Vata and Kapha and prevents indigestion.
Pensamento coreográfico: com um texto também se dança
Authors: Rodriguez Maria Dolores Sosin
Published: May 2023

O movimento, aqui transcrito enquanto coreografia, atua como metodologia para refletir sobre o papel do corpo na produção do conhecimento em sentido amplo: teórico-artístico-científico. Levando-se em consideração as relações entre dança, palavra e literatura, assim como as relações com outras artes, realizam-se considerações variadas, a partir de críticas da literatura e da cultura, buscando interpretações para um pensamento coreográfico negro.
Ponderações sobre (des)segregação na educação
Authors: Moreira Sueid Fauaze
Published: May 2023

Pesquisando sobre a história da dessegregação no ensino superior nos Estados Unidos, confrontei-me com a luta de um afro-americano, James Howard Meredith, para ser admitido como aluno da Universidade do Mississippi - EUA em 1962. Esse fato desencadeou a curiosidade sobre como questões relacionadas à segregação no campo da educação, mas não apenas conteúdos raciais, estão sendo tratadas na atualidade. Para tanto, alguns estudos foram observados buscando evidências a respeito de fatos atuais (ou não tão atuais) e sobre os rumos que a educação contemporânea vem seguindo. É, de certa forma, no mínimo, surpreendente descobrir que uma espécie de apartheid está crescendo em nome do desempenho acadêmico.
Peleja de Inácio contra o memoricídio dos saberes negros
Authors: Oliveira Sílvio Roberto dos Santos
Published: May 2023

Este texto reflete sobre o memoricídio, consequente à presunção racial branca, como vestígio de operações para o genocídio dos corpos e das mentes negras a partir da Peleja de Inácio da Catingueira contra Romano. Sob o jogo discursivo da humilhação, já se encontrava a vontade brutal de destruição de qualquer traço, perspectiva, visão remanescente de saberes e culturas africanas ou descendentes, fossem de cunho material, simbólico, reflexivo, imagético, expressivo, na língua, no corpo. No embate, Inácio, negro, escravizado, já rebaixado sob a égide do sistema escravocrata, embate-se contra a tentativa presunçosa de aniquilamento perpetrada por seu oponente.
“A emoção que deságua no corpo”: uma leitura das masculinidades negras no rap de Criolo
Authors: Da Fonseca Silvana Carvalho
Published: May 2023

O presente texto tem como objetivo discutir expressões das masculinidades negras a partir da poética do rap na produção do rapper paulista Criolo.
Tricuspid Regurgitation, the last challenge left.
Authors: Kurita Takashi
Published: May 2023

Atrial fibrillation (AF) provides extremel rapid excitation frequency in
both atria, and induces several pathophysiological mechanisms by
influencing each other to promote AF. This auto-enhancing feature is
often described by the well-known concept “AF begets AF”. The cure of
AF by creating pulmonary vein (PV) isolation may be able to reverse the
spiral and be able to achieve reverse remodeling. Because of the initial
focus on PV in the pathogenesis of AF, the effects of reverse remodeling
after catheter ablation (CA) have been investigated on improvement of
the left-sided cardiac system. On the other hand, tricuspid
regurgitation (TR), the most neglected of all valvular diseases, is
increasingly recognized as an important prognostic condition in heart
failure patients. Previous reports, which tested the role of CA for AF
patients with TR, have demonstrated that maintenance of SR provides
reverse remodeling of the right-sided cardiac system, but have yet to
prove whether this leads to improvement in patient prognosis. What is
new and noteworthy about the report by Ukita et al. in this issue is
that they found that TR improvement itself improves major event-free
survival rate (incidence of heart failure hospitalization and all-cause
mortality). However, several issues remain unresolved in their report.
They observed a low AF recurrence rate in the TR-improved group, but did
not address the possibility that AF suppression itself contributed to
improve event-free survival rate. Further investigation is required to
clarify whether TR improvement or maintenance of SR is the greater
contributor to improved prognosis in AF.
Involvement of the putative metal efflux protein YbeX in ribosomal metabolism
Authors: Sarıgül İsmail , Žukova Amata , Alparslan Emel , Pihlak Margus , Remm Sille , Tenson Tanel , Maiväli Ülo
Published: May 2023

YbeX of Escherichia coli, a member of the CorC protein family, is
a putative Co / Mg efflux
factor. Here, we describe several ΔybeX phenotypes and report an
involvement of YbeX in ribosomal metabolism. E. coli lacking
ybeX has a longer lag phase on outgrowth from the stationary
phase. This phenotype is heterogeneous at the individual cell level and
can be rescued by supplementing the growth media with magnesium.
∆ybeX strain is sensitive to elevated growth temperatures and to
several ribosome-targeting antibiotics, which have a common ability to
induce the cold shock response in E. coli. ∆ybeX cells
accumulate distinct 16S rRNA degradation intermediates present in both
30S particles and 70S ribosomes. We propose that a function of YbeX is
maintaining the magnesium homeostasis in the cell, which is needed for
proper ribosomal assembly.
Compact 4 × 4 Butler matrix design-based switch beamforming antenna array for 5G applications
Authors: Abdulbari Ali Abdulateef , Rahim Sharul Kamal Abdul , GEOK Tan KIM , kamel Amna shibib , kamil Raya adil , Hanoosh Hatem Oday , Jawad Mustafa Mohammed
Published: May 2023

This paper, presents a 4×4 BM based on four direction switch BM antenna
array. The proposed design operated at 3.5 GHz. The use of multi-beam
antennas or switched-beam antenna arrays (SAAs) promised users of
high-gain and large coverage areas for 5G technologies. The BM was
implemented by combining 3-dB BLC, two crossovers, and 45
phase shifters fabricated on the RT5880LZ substrate,
with using a triangular slot and T-shape based on the BM design. The
proposed design focused on the miniaturization and enhancement of the
bandwidth. The return loss and isolation were better than -15 dB at all
the ports, according to the simulated and measured result showed that
with excellent insertion loss -6.1 ± 2 dB. A fractional bandwidth of
49.7% and the overall dimension were reduced to 56% as compared to the
conventional BLC and crossover. Hence, the proposed design of BM
performed an excellent size reduction of 80% and improvement bandwidth
up to 836 MHz compared to the traditional BM. The switched beam
directions were measured at -34 , -40
, +32 and +35
at 3.5 GHz for each input port of 1-4 excitation. The proposed design BM
is suitable of 5G application.
Generalized Order Fibonacci and Lucas Polynomials and Hybrinomials
Authors: Aydınyüz Süleyman , Gozeri Gul Karadeniz
Published: May 2023

In this study, we first define generalized order Fibonacci and Lucas
polynomials. We show that by special choices one can obtain some known
sequences of polynomials and numbers such as order Pell polynomials,
order Jacobsthal polynomials, order Fibonacci and Lucas numbers and etc.
by using the definition of order Fibonacci and Lucas polynomials. Then
we consider hybrid numbers and polynomials whose importance is
increasing in mathematics, physics and engineering day by day. We
generalize the hybrid polynomials by moving them to the order. Hybrid
polynomials that are defined with this generalization are called order
Fibonacci and Lucas hybrinomials throughout this paper. We define the
generalized order Fibonacci and Lucas hybrinomials using generalized
order Fibonacci and Lucas polynomials. Besides this, we give the
recurrence relations of the generalized order Fibonacci and Lucas
hybrinomials. Also, we show that by special choices in this recurrence
relations one can obtain some known hybrid polynomials such as Horadam,
Fibonacci, Lucas, Pell, Pell-Lucas, Jacobsthal, Jacobsthal-Lucas
hybrinomials. Furthermore, we introduce the generating functions of
hybrinomials and give some important properties. Finally, we define the
matrix representations of the generalized order Fibonacci and Lucas
hybrinomials. For this purpose, we derive the matrices of and that play
similar role to the matrix for Fibonacci numbers. We show that by
special choices of the integers and , one can obtain matrix
representations of some known hybrinomials such as Pell, Jacobsthal
hybrinomials and etc.
Likelihood of primary caesarean delivery following induction of labour in singleton term pregnancies, compared to expectant management: a population-based, retrospective cohort study
Authors: Hu Yanan , Homer Caroline , Ellwood David , Slavin Valerie , Vogel Joshua P , Enticott Joanne , J Emily Callander
Published: May 2023

Background: There has been a trend toward birth at earlier
gestational age and increased use of both induction of labour (IOL) and
caesarean section (CS) for women with term pregnancies in many
countries, particularly high-income countries. Unnecessary use of
obstetric interventions during pregnancy and birth is associated with an
increased risk of adverse health outcomes for women and babies, as well
as adding financial costs to the health care systems. Existing evidence
regarding the association between IOL at term and CS is mixed and
conflicting, and little evidence has been known about the differential
effect at each gestation between 37 – 41
weeks, separately among nulliparous and parous
women. Objective: The aim of this study was to explore the
association between IOL and primary CS for women with singleton term
pregnancies, compared with expectant management (EM) of pregnancy.
Methods: We performed an analysis of population-based
retrospective cohort data on women who gave birth in one Australian
state (Queensland), between 01/07/2012 and 30/06/2018. All no-labour
births (i.e., prelabour CS), multiple births (e.g., twins or triplets),
and women with a prior CS were excluded. Five sub-datasets were created
based on the time of birth following IOL (37 - 37
; 38 - 38 ;
39 - 39 ; 40
- 40 ; and 41
- 41 ). Unadjusted relative
risk (RR) and adjusted relative risk (aRR) were calculated in each
sub-dataset to explore the risk of primary CS following IOL, compared to
EM. Analysis was stratified by parity (nulliparas versus paras).
Sensitivity analyses were conducted by limiting to women with low-risk
pregnancies. Results: The risk of primary CS following IOL was
significantly higher for women with singleton pregnancies, compared with
EM, before or after adjustment, at 38 - 38
(nulliparas: aRR = 1.14, 95% CI: 1.10 - 1.18;
paras: aRR = 1.35, 95% CI: 1.25 - 1.46), at 39 -
39 (nulliparas: aRR = 1.18, 95% CI: 1.14 - 1.22;
paras: aRR = 1.36, 95% CI: 1.24 - 1.49), at 40 -
40 (nulliparas: aRR = 1.25, 95% CI: 1.21 - 1.29;
paras: aRR = 1.40, 95% CI: 1.26 - 1.56) and at 41
- 41 (nulliparas: aRR=1.42, 95% CI: 1.36 - 1.48;
paras: aRR=1.61, 95% CI: 1.40 - 1.84). After adjusting for potential
confounders, there was no significant difference in the risk of primary
CS at 37 - 37 for nulliparas
who had IOL and EM (aRR = 1.03, 95% CI: 0.95 - 1.12). Results remain
stable in the sensitivity analyses. Conclusion: Our results
demonstrated that the risk of primary CS following IOL was higher at
each weeks’ gestation between 38 - 38
– 41 - 41
for both nulliparas and paras with singleton
pregnancies, compared with EM, and the risk increased with gestational
age. This has important implications to support shared decision making
between women and health professionals regarding best clinical
management and optimal timing of birth.
Adaptive Transmit Power Control As A Mitigating Technique For Rain Attenuation In Millimeter Wave Wireless Communications In The Tropics.
Authors: Kamagara Abel , Wafula Herman , Alowo Kelly , Ssemuju Mark
Published: May 2023

Millimeter wave (mm-Wave) communication is a promising technology for
high-speed wireless communication like 5G. However, it is highly
susceptible to numerous perturbations that cause significant signal loss
especially rain attenuation. In this paper, we investigate the use of
adaptive transmit power control as a mitigating technique for rain
attenuation in mm-Wave communication. We compare the performance of this
technique to that of adaptive coding and modulation using simulations of
a point-to-point communication link over distances of 10m to 1000m, with
transmit power varying from 100mW to 1W. Virtual experimental results
show that adaptive transmit power control provides better performance
than adap-tive coding and modulation in mitigating rain attenuation in
mm Wave communication, This is promising for 5G technology
implementation and commissioning in the tropics where rainfall is
prevalent all year round.
Revolutionizing Textile Safety: Harnessing the Power of Recombinant Hydrophobic Proteins for Fire Retardancy
Authors: Gilmour Katie , Arnardottir Thora , James Paul , Scott Jane , Jiang Yunhong , Dade-Robertson Martyn , Zhang Meng
Published: May 2023

Fire retardancy for textiles is important to prevent the rapid spread of
fire and minimize damage to property and harm to human life. To infer
fire-resistance on textile materials such as cotton or nylon, chemical
coatings are often used. These chemicals are usually toxic and
economically and environmentally unsustainable, however, some naturally
produced protein-based fire retardants could be an alternative. A
biofilm protein from Bacillus subtilis (BslA) was identified and
recombinantly expressed in Escherichia coli with a double cellulose
binding domain. It was then applied to a range of natural and synthetic
fabric materials. A flame retardancy test found that use of BslA reduced
fire damage by up to 51% and would pass fire retardancy testing
according to British standards. It is therefore a viable and sustainable
alternative to current industrial fire-retardant coatings.
The Impact on Society by Providing for The Needy with Necessary Funding and Jobs for the Unemployed.
Authors: Samara J.K.D.S , Ariyananda B.G.I.S , Leo M.P.C , Jayawardhana S.M.S.S , Silva D. I. De , Gunathilake M. P.
Published: May 2023

One of the leading problems in today’s world is poverty. It is very
difficult for a person to overcome from a poverty stage and move to life
filled with luxury and all the riches in the world. Poverty is something
which tends to slow down the speed of swiftly developing mankind, as the
people in poverty have a very big disadvantage in life which holds them
back. Most of the time, people in poverty have no other option but to be
born, live and die in poverty, it is also the duty of the walks of life
to show some sympathetic behavior towards the in need. Poverty is
something which can be overcome with difficulty and with help from other
people as well. In this paper, a system which can be used to move away
from a poverty life and move towards a wealthy life. Studies carried out
and with references to personnels that are experts in this field, the
system that is being system implemented will consist of a job portal
which is targeting the uneducated people, such a system which targets
that part of the society has not yet been developed, as states that a
stable bread winner for a family can have monthly income. In addition,
inspiring a donation gateway which is programmed to assist the poor
people. According to, advertising and publishing about events organized
for fundraising and betterment of the poor people is being embedded in
the system.
The effects and D2 receptor-mediated mechanisms of dopaminergic system modulation in in-vivo and in-vitro experimental models of migraine
Authors: Kilinc Yasemin Baranoglu , Torun Ibrahim , Kilinc Erkan
Published: May 2023

The dopaminergic system is implicated in the pathophysiology of
migraine. However, the underlying mechanisms remain unclear. We explored
the effects and mechanisms of dopaminergic system modulation in the
in-vivo and in-vitro rat models of migraine. Dopaminergic agonist
apomorphine, D2 receptor antagonists metoclopramide and haloperidol, and
5-HT3 receptor antagonist ondansetron alone and together were tested in
nitroglycerin-induced migraine model, in vivo. Likewise, the
combinations of drugs were also tested on basal CGRP release in-vitro
hemiskull preparations. Mechanical allodynia was tested by von-Frey
filaments. CGRP concentrations in trigeminovascular structures and
in-vitro superfusates, and c-Fos levels in brainstem were determined by
ELISA. Meningeal-mast cells were evaluated with toluidine-blue staining.
Apomorphine further enhanced nitroglycerin-induced mechanical allodynia,
brainstem c-fos expression, trigeminal ganglion and brainstem CGRP
concentrations, and meningeal mast cell degranulation, in vivo.
Haloperidol completely antagonised all apomorphine-induced effects and
also alleviated changes induced by nitroglycerin without apomorphine.
Metoclopramide and ondansetron partially attenuated apomorphine- or
nitroglycerin-induced effects. A combination of haloperidol and
ondansetron decreased basal CGRP release, in-vitro, while the other
administrations were ineffective. Apomorphine-mediated dopaminergic
activation exacerbated nitroglycerin-stimulated migraine pain by further
enchancing c-fos expression, CGRP release and mast cell degranulation in
strategical structures associated with migraine pain. Metoclopramide
partially attenuated the effects of apomorphine, most likely because it
is also a 5-HT3 receptor antagonist. Haloperidol with pure D2 receptor
antagonism feature appears to be more effective than metoclopramide in
reducing migraine-related parameters in dopaminergic activation- and/or
NTG-induced migrane like conditions.
The Effect of Fear of COVID-19 on Health Information Searching Behavior During the Pandemic
Authors: Teleş Mesut
Published: May 2023

Fear can cause people to panic, make wrong decisions, and behave
inappropriately. This study aims to investigate the effects of fear of
COVID-19 on the perception of the reliability and the use of health
information sources. The participants in this study were 323 students
attending a state university in Turkey. The Fear of COVID-19 Scale
(FCV-19S) and the Health Information Sources Survey were used as data
collection tools. The Pearson correlation coefficient was used to
determine the relationships between the perception of the reliability of
health information sources and their use. Simple linear regression
analyses were used to determine the effect of fear on the perception of
the reliability of health information sources and their use. The
participants’ mean FCV-19S score was 2.30±0.93 on a five-point Likert
scale. As a result of the evaluations made, in the range of 0–10, the
information source with the highest reliability perception mean score
was the doctor (7.10±2.74), whereas that with the highest usage was the
Internet (7.98±2.77). Although the fear of COVID-19 had a negative
effect on Internet use ( b =-0.38; p<0.05), the
effects on the use of other health information sources was positive (
b=0.37-0.83; p<0.05). Trust in radio (
b=0.60; p<0.05) and newspapers/magazines (
b=0.49; p<0.05) also increased with fear. These
results showed that as university students’ fear of COVID-19 increased,
the use of the Internet for health information decreased; however, use
of doctors, nurses, pharmacists, other health workers, scientific
articles, television, radio, and newspapers/journals increased. The
findings can guide health policies to be followed. Talks of health
professionals and their videos with both educational and scientific
content should be given more space on the Internet, social media,
traditional media, and other mass media.
Reactive Power Management: Comparison of Expert-based and Optimization-based Approaches for Dispatcher Training
Authors: Kaushal Abhimanyu , Mirowski Artur , Skwarski Mateusz , Wasilewski Jacek , Ergun Hakan , Hertem Dirk Van
Published: May 2023

Reactive power management (RPM) in electric power systems is usually
based on a rule-based control derived from the transmission system
operator’s experience. This approach faces challenges as the number of
decisions and the complexity of the system operation is increasing. With
the increasing generation from renewables and the evolution of
electricity markets, the available resources must be optimally utilized.
In this paper, a comparison is made between the optimization-based
approach (OBA) and the experience-based expert approach (EBA) for RPM.
The OBA is based on security-constrained optimization with minimum
redispatch cost as the objective function for different contingencies.
In contrast, the EBA’s actions are based on the system operator’s
experience. Comparison is made in terms of the generator redispatch
cost, active and reactive power redispatch volume, nodal voltages, and
the number of actions to ensure secure operation. The analysis using a
reduced model of the target system shows that OBA is more beneficial
than EBA, with up to 22% and 42% reduction in redispatch cost and
volume, respectively. Moreover, the control decisions from both
approaches are seen to be similar. This study aims to show the
usefulness of the OBA and motivate TSOs to move towards
optimization-based reactive power management
Histological analysis of bone three months after the treatment of oroantral communication with autologous platelet-rich fibrin - a case series
Authors: Rebic Kristina , Janjic Bojan , Danilovic Vesna , Djordjevic Vladan , Ilic Branislav
Published: May 2023

Introduction. Oroantral communication (OAC) closure may be accompanied by hard and soft tissue defects. Platelet-rich fibrin (PRF) is the second-generation platelet concentrate that can be an effective therapeutic option for the closure of defects up to 5 mm in diameter. The aim of this investigation was to evaluate whether PRF could be a viable therapeutic option for OAC closure and provide sufficient bone quality/quantity for the forthcoming implant placement. Outlines of cases. The case series included eight patients treated with PRF due to the presence of OAC less than 3 mm in diameter. Three months after the surgery, at the time of implant placement, bone samples were harvested and taken for histological analysis. The results demonstrated success in all eight cases, obtaining both hard and soft tissue healing. Histological analysis showed that newly formed bone was present on all histological samples, without visible signs of inflammation and necrosis. Conclusion. PRF could be a viable therapeutic option for OAC closure in specific clinical cases, but future randomized, controlled, clinical studies are required for more conclusive results.