bluuebunny/crossref_metadata_2025_split huggingface dataset:
Fabrication of modified lignin-based liquid mulching film and its potential application
Authors: Sun Zhonghua , Liang Jie , Qin Menghua , Ning Ruxia , Liu Xin , Sun Wei , Li Xiang 
Published: April 2024

Abstract
Liquid mulching film is an emerging film material to replace the traditional plastic film, which causes wide public concern. In this study, a graft copolymer (LS-AA) was synthesized from sodium lignosulfonate (LS) by free radical polymerization, which was added as enhancer to the cationic starch (CS) solutions to obtain the CLA based film. The grafting conditions was optimized by response surface methodology (RSM) for the preparation of LS-AA, after that the LS-AA was characterized by FTIR, XRD, and TG. The highest grafting rate was obtained under the reaction conditions of 80 °C for 2.6 h with the mass ratio of monomer and LS of 5.5/5 at initiator dosage of 1 %. The fabricated liquid mulching film with addition of LS-AA showed outstanding anti-ultraviolet, biodegradation, anti-erosion, which provided theoretical base and practical references for popularizing and application of liquid mulching film in the dust prevention and sand fixation.
Clinical implications of seropositive and seronegative autoantibody status in rheumatoid arthritis patients: A comparative multicentre observational study
Authors: Hammam Nevin , El-Husseiny Passant N. , Al-Adle Suzan S. , Samy Nermeen , Elsaid Nora Y. , El-Essawi Dina F. , Mohamed Eman F. , Fawzy Samar M. , El Bakry Samah A. , Nassr Maha , Nasef Samah I. , El-Saadany Hanan M. , Elwan Shereen , Gamal Nada M. , Moshrif Abdelhfeez , Hammam Osman , El Shereef Rawhya R. , Ismail Faten , Tharwat Samar , Mosa Doaa Mosad , Elazeem Mervat I Abd , Abdelaleem Enas A. , Gheita Tamer A. 
Published: April 2024

Abstract

Background and Objectives
Rheumatoid factor (RF) and anti-cyclic citrullinated protein (anti-CCP) have been used to improve the diagnosis and prognosis of rheumatoid arthritis (RA). However, their association with RA disease phenotypes, individually and in combination, is not well studied. The aim of the study was to compare patients’ and disease characteristics, activity and severity in double seronegative (DNRA), single seropositive RF, single seropositive anti-CCP and double seropositive (DPRA) patients.

Methods
Adults subjects with RA from Egyptian College of Rheumatology (ECR) database who had RF and anti-CCP results available were included. Demographic, clinical features, disease activity score 28 (DAS28), Health Assessment Questionnaire (HAQ) and laboratory data were collected and compared among different RA groups.

Results
5268 RA patients with mean age of 44.9±11.6 years, and 4477 (85%) were females. 2900 (55%) had DPRA, 892 (16.9%) had single positive RF, 597 (11.3%) had single positive anti-CCP while 879 (16.7%) had DNRA. Patients with DPRA had significantly high percentage of metabolic syndrome (19.3%, P < 0.001), and functional impairment using HAQ (P = 0.01). Older age (RRR [relative risk ratio]: 1.03, 95%CI: 1.0, 1.0, P = 0.029), greater DAS28 (RRR: 1.51, 95%CI: 1.2, 1.9, P < 0.001), higher steroid use (RRR: 2.4, 95%CI: 1.36, 4.25, P = 0.002) were at higher risk of DPRA while longer disease duration (RRR: 1.08, 95%CI: 1.01, 1.16, P = 0.017) and fibromyalgia syndrome (RRR: 2.54, 95%CI: 1.10, 5.88, P = 0.028) were associated with higher odds of single positive RF status.

Conclusion
Dual antibody-positive status has higher disease activity and severity, and higher chance of development of metabolic syndrome; highlighting the implicated role of inflammation, atherogenesis and cardiovascular disease risk in RA.
Testing and Evaluation of Hybrid Polymer Composites Reinforced with Moringa oleifera and Boehmeria nivea Fibers, Embedded with Copper Oxide Particulates, for Thermal, Structural, and Biological Properties
Authors: Raja Thandavamoorthy , Devarajan Yuvarajan , Logesh Kamaraj , Muniraju Chethan , Pandey Vijay Kumar , Dhanraj Ganapathy 
Published: April 2024

Abstract
The increasing need for sustainable materials in industrial applications has prompted a significant shift in attention from synthetic to natural fibers. This study examines the problems and opportunities arising from the utilization of natural fiber-reinforced polymer composites in several industrial sectors. The objective of this work is to fabricate a hybrid composite using a conventional hand layup technique with natural reinforcement of Moringa oleifera (MO) and ramie (Boehmeria nivea) fibers, an epoxy matrix blended with copper oxide filler, utilized to enhance material stability and antimicrobial activity. To quantify the effect of five different weight fractions of MO and ramie fibers on this hybrid composite, its mechanical, thermal, functional, and antifungal properties were examined. The superior tensile strength (61.34 MPa), flexural strength (64.78 MPa), and impact energy (23 J) results indicate that ramie fiber loading should be increased. Additionally, enhanced thermal properties such as thermal conductivity (0.93 W/mK), heat deflection temperature (97°C), thermal expansion coefficient (1.7210−5/°C), and maximal thermal stability were observed at 347°C as a result of the increased ramie fiber loading. This analysis demonstrates that this hybrid composite possesses the antifungal activity necessary to form an inhibition zone against Candida albicans. Scanning electron microscopy analysis was conducted to determine the hybrid composites’ bonding strength and failure mode.
Організації азербайджанської діаспори та стратегічні напрями їх діяльності
Authors: Мамедова Парвана 
Published: April 2024

Влада діаспор зазвичай починається з першої хвилі еміграції, коли люди залишають свою батьківщину і осідають в інших країнах. В результаті цього розширюється спільнота людей, які зберігають свою культуру, мову, звичаї і традиції.
Протягом цього часу вважалось, що діаспорою формуються розгалужені мережі і соціальна структура. Члени діаспори часто використовують зв'язки зі своєю батьківщиною, наприклад, через благодійні організації, культурні обміни або підприємництво.
Важливою частиною становлення діаспори є її вплив на суспільно-політичну ситуацію як на батьківщині, так і в заміському проживанні. Діаспора може активно впливати на політику, зміни, освіту і культуру як у своїй батьківщині, так і за її межами. Таким чином, підтримується діаспора – це тривалий процес, який включає в себе безліч аспектів, таких як соціокультурна адаптація, збереження і передача культурної спадщини, підтримання зв'язків і мереж, активний вплив на суспільно-політичне життя.
Актуальність цієї статті обумовлена значним внеском азербайджанської діаспори в різні сфери суспільного життя, як всередині країни, так і за її межами.
Метою даного дослідження є аналіз стратегічних напрямків діяльності азербайджанської діаспори і механізмів їх застосування для зміцнення зв'язків з Батьківщиною, збереження і просування культурної спадщини, а також захисту інтересів співгромадян за кордоном. У статті розглядається роль діаспори в економічному, культурному та політичному розвитку Азербайджану, а також її вплив на суспільно-політичні процеси.
Результати дослідження. Азербайджанська діаспора виникла в різні періоди часу, починаючи з XIX століття. Вона складається з різних груп мігрантів і біженців, які покинули Азербайджан через політичні конфлікти, економічну кризу, війни та інші складні обставини.
Найбільші спільноти азербайджанської діаспори сформувалися в різні періоди і знаходяться в таких країнах, як Туреччина, Іран, Німеччина, США, Франція, Великобританія, Канада, Ізраїль, Грузія, Україна та ін.
Дана інформація дозволяє зробити висновки про величезний потенціал азербайджанської діаспори в реалізації загальнонаціональних інтересів і подальшому розвитку країни.
Політична доктрина лібертаріанства
Authors: Тетяна Гончарук-Чолач , Гурик Мирослава , Ковтун Ігор 
Published: April 2024

Актуальність. Лібертаріанство, з його фокусом на особистій свободі та обмеженні влади, дійсно може бути привабливим для тих, хто цінує свою автономію. Воно надає індивідумам більше контролю над їхнім життям і стверджує, що держава повинна мінімізувати своє втручання в особисті справи. Водночас, важливо зазначити, що існує широкий спектр поглядів у межах лібертаріанства, і різні люди можуть мати різні підходи до конкретних питань.
Відтак, метою дослідження є розгляд характерних рис розвитку та впливу лібертаріанства на сучасний світ.
Результати. У статті з’ясовано основні принципи ідеології лібертаріанства, які базуються на поєднанні політичних свобод та автономії, при цьому наголошуючи на добровільних об’єднаннях, свободі виборів та індивідуалізмові. Суть цієї ідеології полягає у тому, що вона скептично відноситься до публічної влади, але при цьому стоїть на опозиційній платформі по відношенню до існування економічної та політичної систем.
Висновки. Незважаючи на існування різноманітних шкіл лібертаріанства, які відрізняються один від одного різними поглядами щодо функцій державної та приватної влади, всі вони закликають до обмеження або розпуску соціальних інститутів. Лібертаріанство від самого свого початку в різних країнах отримувало втілення на тих чи інших ділянках життя, завдяки величезним зусиллям великої кількості активістів, діяльність яких сприяла тому, щоб світ став кращим, справедливішим, вільнішим і т.д., саме через це ідеї лібертаріанства сьогодні набирають своєї популярності. Ми підкреслюємо, що багато впливових політичних лідерів часто звертаються до ідей лібертаріанства у своїй діяльності, використовуючи їх в організації суспільно-політичного життя своїх громадян для покращення їх добробуту.
Are first responders interested in psychedelics? Assessing previous use, interest, and willingness to participate in psychedelic-assisted therapy
Authors: Brodie Sonia M. , Stunden Chelsea , Olson Jay A. , Artenie Despina Z. , Karapareddy Venugopal , D'Arcy Ryan C.N. 
Published: April 2024

AbstractBackground and aimsFirst responders such as firefighters and police officers often experience traumatic events as part of their work. As a result, they are more likely to have mental health issues such as post-traumatic stress disorder, depression, and anxiety compared to the general population. Psychedelic-assisted therapy has emerged as a promising avenue to alleviate these issues, but little is currently known about first responders' interest in, and barriers to, these treatments. Here, we aimed to document first responders' attitudes towards LSD-assisted therapy and previous use of psychoactive drugs.MethodsWe recruited 102 participants through mailing lists of first responders' unions. Respondents were typically male firefighters in western Canada; others were police officers, paramedics, and military personnel across Canada and the United States. They were asked about their attitudes towards LSD- and marijuana-assisted therapies, previous psychiatric diagnoses, psychosocial impairments, and substance use.ResultsRespondents showed higher rates of distress and illicit drug use compared to the general population. Of those who sought professional treatment, a minority reported that the treatment had helped them. The respondents were generally interested in taking part in therapy or research involving LSD or marijuana. The setting (e.g., at home vs. a clinic), therapist presence, and drug dose were commonly reported to influence this participation.ConclusionsFirst responders may particularly benefit from psychedelic therapy given their high interest in psychedelic drugs and high rates of treatment-relevant disorders. Better understanding the needs of this population will help inform future clinical trials and psychedelic therapies.
The final opening of the heavy door
Authors: Małczyński Bartosz 
Published: April 2024

This review is dedicated to the ten-volume edition of the Dzieła zebrane [Collected Works] of Tymoteusz Karpowicz, a significant Polish poet, playwright, literary and cultural scholar. It emphasises the scope and high quality of the editorial work carried out by Jan Stolarczyk in collaboration with Joanna Roszak. The text also synthetically discusses the content of the subsequent volumes published between 2011 and 2023, with a particular focus on the tenth volume Eseje, poezja, publicystyka, wywiady [Essays, Poetry, Journalism, Interviews], which concludes the complete edition.
Species delimitation using multiple sources of evidence from the Pinus strobiformis-Pinus ayacahuite Species Complex
Authors: Ortíz-Martínez Alfredo , Ornelas-García Claudia Patricia , Moo-Llanes David Alejandro , Piñero Daniel , Pérez de la Rosa Jorge Alberto , Peláez Pablo , Moreno-Letelier Alejandra 
Published: April 2024

Background: The Trans-Mexican Volcanic Belt (TMVB) in central Mexico is characterized by peaks of high altitude and geologic instability. In this zone, Pinus strobiformis and Pinus ayacahuite form a contact zone with Pinus veitchii. The taxonomical circumscription of white pines in Central Mexico has been unstable, especially regarding the status of P. veitchii.
Questions: What are the species boundaries of the montane Mexican white pines species complex? Is Pinus veitchii a hybrid or an independently evolving lineage?
Studied species: Pinus strobiformis, Pinus veitchii and Pinus ayacahuite species complex.
Study site and dates: United States of America and Mexico from 2003 to 2022.
Methods: We performed multivariate analyses on 10 morphological characters and characterized the climatic niche divergence and the genetic differentiation using SNPs.
Results: Our results showed that P. veitchii is morphologically similar to P. strobiformis, but does not have intermediate morphological values with P. ayacahuite. The ecological niche differentiation was not significant. Genetic analyses showed P. veitchii as an independent lineage with evidence of admixture with P. ayacahuite, suggesting a gene flow but not a hybrid origin.
Conclusions: Two of the three lines of evidence support three independent lineages. Environmental information showed niche conservatism, morphology and genetic structure showed differentiation of all three taxa, with a greater morphological similarity between P. strobiformis and P. veitchii, and genetic analyses recovered evidence of introgression, suggesting a complex demographic history in the Trans Mexican Volcanic Belt.
Sifat Kimia, Fisik dan Sensori Kerupuk Pangsit pada Berbagai Konsentrasi Tepung Tulang Ikan Tenggiri
Authors: Disyacitta Citra , Astuti Sussi , Susilawati Susilawati , Koesoemawardani Dyah 
Published: April 2024

Pengolahan tulang ikan tenggiri menjadi tepung dapat diaplikasikan pada produk pangan. Keunggulan tepung tulang ikan tenggiri adalah mengandung protein dan kalsium yang cukup tinggi. Penelitian bertujuan mengetahui sifat fisik, kimia, dan sensori kerupuk pangsit pada berbagai konsentrasi tepung tulang ikan tenggiri dan mengetahui konsentrasi tepung tulang ikan tenggiri terbaik. Analisis data menggunakan Rancangan Acak Kelompok Lengkap (RAKL) empat ulangan. Enam taraf tepung tulang ikan tenggiri yaitu 0%, 5%, 10%, 15%, 20% dan 25%, dianalisis Anara dan uji Beda Nyata Jujur (BNJ) 5%. Perlakuan penambahan 10% tepung tulang ikan tenggiri adalah perlakuan terbaik dengan kadar air 3,20%, kadar abu 2,55%, kadar kalsium 0,14%, daya kembang 16,38%, tekstur renyah, warna kuning, rasa dan penerimaan keseluruhan disukai. Hasil penelitian menunjukkan potensi tepung tulang ikan tenggiri sebagai sumber kalsium untuk meningkatkan nilai gizi kerupuk pangsit.
Educação a Distância e Recursos Educacionais Abertos no Contexto Dialógico: uma Revisão Sistemática
Authors: Santos Erivaldo da Silva , Araujo Allyson Carvalho de 
Published: April 2024

A busca por soluções de aprendizagem inovadoras e eficazes é constante, o que torna a Educação a Distância e os Recursos Educacionais Abertos aliados do ensino e da aprendizagem na contemporaneidade. O presente estudo busca identificar se a produção do conhecimento sobre REA em língua portuguesa apresenta apontamentos sobre os aspectos dialógicos de tais recursos educacionais, como os indicadores: contextualização e problematização das práticas, estímulo à participação e autonomia do aluno, linguagem clara e concisa, diálogo textual, bem como embasamento teórico. A condução desta revisão sistemática da literatura seguiu as diretrizes do PRISMA, declaração dos Principais Itens para Relatar Revisões Sistemáticas e Meta-análises, a partir de busca abrangente no Portal de Periódicos da Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, com recorte temporal de 2018 a 2023. Após busca das palavras-chave “Educação a Distância” AND “Recurso Educacional Aberto” e a aplicação de critérios de inclusão e exclusão sob o exame de dois revisores independentes, foram incluídos nove estudos para análise. Os achados fornecem um panorama significativo sobre a produção de Recursos Educacionais Abertos para Educação a Distância e mostram que apenas 11% das publicações incluídas na revisão pronunciam a presença de enfoques dialógicos no escopo do REA, o que evidencia a necessidade de investigação mais profunda, abarcando seus componentes, intenção de ensino, princípios dialógicos, mediação tecnológica e formação de professores conteudistas.

Palavras-chave: Educação a distância. Recurso educacional aberto. Aspectos dialógicos.
Democratização do acesso ao Ensino Superior: a Educação a Distância na Unipampa
Authors: Coradini de Souza Mariana , Ilha Phillip Vilanova , Nicoletti Elenize Rangel 
Published: April 2024

O Século XXI é marcado pela era digital do conhecimento, onde as Tecnologias Digitais da Informação e Comunicação estão presentes no nosso cotidiano e mudam a forma como nos relacionamos e interagimos com o mundo, inclusive na área da educação. No entanto, apesar das facilidades e das vantagens que a tecnologia oferece, ela também amplia as desigualdades sociais. A incorporação das Tecnologias Digitais da Informação e Comunicação na educação vem proporcionando mudanças, inclusive nos processos de ensino e aprendizagem, onde o uso da tecnologia aponta para novas alternativas de aprendizagem como a modalidade de Educação a Distância (EaD). O presente estudo objetiva analisar o desenvolvimento da política pública do Universidade Aberta do Brasil no nível superior, com base na evolução dos cursos de graduação EaD na Universidade Federal do Pampa, desde a sua implementação. Utiliza a metodologia de revisão bibliográfica e pesquisa documental junto a Divisão de Educação a Distância da instituição. Como principais resultados observa-se que essa modalidade de ensino está avançando na Universidade Federal do Pampa e se interiorizando no estado do Rio Grande do Sul, através das parcerias com os polos pertencentes ao Universidade Aberta do Brasil. Destaca-se que o foco dos cursos é a formação de professores. Ainda, apresenta redução no número de alunos matriculados em todos os cursos EaD no Universidade Aberta do Brasil no período analisado.

Palavras-chave: Educação a distância. Tecnologia na educação. Graduação. Universidade Aberta do Brasil.
Perception of teachers towards blended teaching competence enhancement in Vietnam
Authors: Linh Doan Nguyet , Kasule George Wilson , Ninh Nguyen Van 
Published: April 2024

Educational institutions regardless of context have been compelled to embed blended teaching as one of the orthodox instructional modes. The precursor for successful implementation of blended teaching is insight into current teacher competence with blended teaching and enhancement measures needed. This paper examines the perception of teachers on the current status of blended teaching competence and the relationship between participation in professional learning communities and blended teaching competence enhancement among high school teachers in Vietnam. The data comprised high school teachers’ impressions of blended teaching in high schools, collected through survey questionnaires. Data analysis was done using descriptive statistics and Pearson Correlation. Findings reveal that teachers perceive the current status of blended teaching competence for high school teachers in Vietnam as moderate. Findings also unveil a very low positive but statistically significant relationship between participation in professional learning communities and blended teaching competence enhancement. This meaningful relationship serves as the foundation for broadening this study’s scope to include the investigation of establishing a professional learning community that meets the needs of teachers in blended teaching competence enhancement. This research initiates to help instructors raise awareness about the significance of blended teaching in the context of today's digital change in education. The suggestions are supplied to stakeholders as a valuable option for implementing and assisting teachers in developing blended teaching competence.
War on Terrorism in Pakistan: Security Challenges and Safety Prioritization
Authors: Akram Nabel , Tariq Komal 
Published: April 2024

This paper highlights the dynamics of war on terror among the Pakistan, Afghanistan and the United States of America. It provides the strategic importance such as political, economic and militarily interests in the region. This study also shows the policies and strategies adopted by the US and Pakistan to save their interests in the American led war on terror. War against terror or war on terror, is an internationally military campaign that was launched by the Bush administration. The fatalistic incident known as 9/11 happened in 2001 in which approximately 2700 people were killed and numberless of injured fettered the wall of international politics. After this incident the government of America and world community were very much aggressive to take revenge from Al-Qaida network based in the Afghanistan. This research tries to find out the answer of the research questions such as to analyze the Pak US relations since inception. American foreign policies towards Pakistan after 9/11. To analyze the policies made by Pakistan to combat terrorism domestically and strengthen political as well as military institutions. Furthermore to analyze the policies of neighboring states such as India and Afghanistan towards the Pakistan. To find out the answers of these research questions research has employed qualitative research methodology with interpretative approach with securitization theory. For data analysis descriptive and exploratory approaches has been used in this research. The core findings of the research that war on terror was combination of Mush and Bush to secure their interests in the region. Bush ruined the Al-Qaida network and Mush got an economic assistance. US showed the supremacy to the world by led a war on terror. Pak US relations make its flow towards an alliance against terrorist’s network in Afghanistan. War on Terror was a complex war and essence a question of territorial sovereignty. This war on terror put the whole region at risk.