Recent Topics Research Articles

Bibliometric analysis of value-added tax research: a comparative study between European Union and Gulf Cooperation Council countries

PurposeThis study aims to compare recent topics on value-added tax (VAT) in the European Union (EU) and Gulf Cooperation Council (GCC), understand the differences in VAT discourses between the two regions and explore the connection between research agendas, institutional legacies and semantic output in the field of VAT in each territory.Design/methodology/approachA bibliometric study was conducted using R programming. The data were gathered from the Scopus database, which contains 99 English-language publications with publication dates ranging from 1996 to 2022 (87 of which are from the EU and 12 from the GCC). Information about publications, journals, authors and citations is gathered, validated, cross-referenced and analyzed using bibliometric metrics.FindingsThe results highlight two ideal research contexts for studying VAT: the EU countries approach VAT research with a centralized, pluralistic and quantitative focus, while the GCC countries adopt a centralized, qualitative and practically oriented approach, highlighting distinct research goals, collaboration styles and institutional legacies. The authors extend their result findings to broader discussions on competing knowledge systems in VAT, the significance of the state and the level of autonomy within tax governance after identifying the most popular issues among scholars working in GCC and EU countries.Research limitations/implicationsAlthough the focus of this analysis is restricted to the GCC and EU, it includes theoretical recommendations for broadening its application to other nations. Researchers from the GCC and the EU may benefit from this study by gaining more about VAT and being encouraged to share their research with young researchers. The study’s findings are relevant and important for comprehending the comparative state of research on VAT in GCC and EU countries, tax fields, publications and institutions.Originality/valueThis study analyzes the VAT systems of the GCC and the EU while identifying the intellectual structure of the field from each author’s point of view, revealing the scientometrics and informetrics intellectual structures in detail.

Generation of Submillimeter Terahertz Radiation by Ultrafast Optical-Field-Emission

Terahertz wave science and technology have been recognized as an emerging key frontier of research, showing potential applications in a much wider spectrum, particularly for recent topics such as terahertz wireless communication and terahertz radar. However, to date there is an obvious mismatch between potential application and available technology. To meet the rapid increase in interest of broadening potential applications, effort has been increased to search for new physical mechanism underlying terahertz radiation. In this study, we reveal a new physical mechanism, <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">i.e</i> . generation of submillimeter radiation by ultrafast optical-field-emission. We demonstrate that femtosecond optical-field-emission electrons radiate terahertz waves in the range of 0.3 to 5.36 THz, and that the periodical pulses of terahertz waves may be produced. The method is simple and efficient with unique technological property, potentially being crucial to terahertz radar and terahertz wireless communication.

Evolution and recombination of topics in Technological Forecasting and Social Change

Technological Forecasting and Social Change (TFSC) is one of the main outlets in the literature on technological change. To assist its editors and future contributors in understanding the evolution of the journal, we review studies published between 1970 and 2022 identifying 25 main themes ranging from scenario foresight and forecasting methods that dominated the journal agenda in the first decades through innovation diffusion and patent analysis that gained popularity in 2006–2019 to social interaction and financial markets which experienced momentum in the last couple of years. We find that studies concentrated on more recent topics like firm performance, financial markets and environmental regulation have been cited more frequently and were contributed more often by scientists from China compared to the US. Inspired by the fact that studies recombining two or more topics are more impactful in terms of citations, we construct a graph of topics, both for the overall sample of 6240 studies reviewed and three periods of TFSC existence corresponding to different editors-in-chief. Our results illustrate knowledge complementarities explored in the journal so far and may indicate directions for further research.

Need Analysis for Developing Microbiology Practical Program in the Topic of Heavy Metals Bioremediation Microorganisms

The involvement of bacteria in lowering the concentrations of heavy metal contaminants in the environment is one of the most recent topics of discussion in the field of microbiology. This topic hasn't been brought up much in microbiology lectures thus far in the classroom. Therefore, it is important to analyze the requirement for the construction of a microbiology practical model with the focus on investigating heavy metal-bioremediating bacteria as environmental polluting agents. The curriculum papers in the biology education study program were analyzed using quantitative and descriptive research methodologies, with a focus on the microbiology course. Additionally, this study used both closed- and open-ended questions. We studied a total of 45 fourth-semester microbiology students from four different institutions, six microbiology lecturers from several Indonesian universities, and four biology teachers from Tanjung Pinang. It was discovered that environmental bioremediation needs to be covered in more detail in microbiology lectures and practicum for aspiring biology teachers based on an analysis of the curriculum, students' perspectives, and instructors' perceptions. Lectures on the subject of heavy metal bioremediation should cover it in detail and should provide useful knowledge. The teacher believes that lab exercises have the potential to be a successful teaching method for this subject.

Reading&lt;em&gt; Frankenstein &lt;/em&gt;in 1818: From Climate Change to Popular Sovereignty

1818, the year of Frankenstein’s first publication, is a frequently overlooked context for Mary Shelley’s novel, overshadowed as it is both by Frankenstein’s afterlives and by the moment of its first conception in Switzerland, 1816, the ‘Year Without a Summer’. What might it mean for a novel that has transcended literary history and achieved mythic status to be re-situated as one of the novels of 1818? The article considers recent topics of critical interest, including ecocritical readings of the novel in the shadow of Mount Tambora and the topicality of the frame narrative in relation to histories of arctic exploration, before focusing on the politics of Frankenstein. Many critics have read the novel as a belated allegory of the French Revolution, which leads inexorably towards an interpretation of Frankenstein as an anti-revolutionary fiction. For the readers of 1818, however, it is the unfolding events of post-Waterloo Britain, not the French Revolution, that constitutes the primary political context, producing a more open-ended and radical text. The final section of the article reads the novel in dialogue with William Hazlitt’s essay, ‘What Is the People?’, showing how both texts engage with questions agitated by the popular reform movement, including responses to tyranny and the sovereignty of the people.

Cancer patients in the emergency department or intensive care unit: a 20-year bibliometric analysis of research progress and prospects

BackgroundAn increasing number of cancer patients may require emergency and intensive care at diagnosis and throughout their disease course. This study aimed to explore the progress, prospects, collaboration and network of research in the field of emergency and intensive care for cancer patients using bibliometric analysis.MethodsA search of the Web of Science (WOS) database was conducted to identify relevant articles in English published between 2000 and 2022. Bibliometric analysis platform and R-studio software were used for data analysis, which included cluster analysis, word cloud matrix, trend topics, and thematic maps based on author keywords and keywords plus.ResultsA total of 630 articles were included, with an average annual growth rate of 17.1%. The most active country in terms of productivity and collaboration was the United States. Trend topics evolved over time, with COVID-19 and epidemiology among the most recent hot topics. General topics such as palliative care, intensive care, emergency department, chemotherapy, management, and outcomes were identified, as well as specialized topics relating to the most common cancer types, and cancer- or treatment-related complications such as brain metastasis, hyperviscosity syndrome, spinal cord compression, pericardial tamponade, hemorrhage, respiratory failure, septic shock, venous thromboembolism, and malnutrition.ConclusionThere has been a increasing and evolving interest in emergency and intensive care for cancer patients over time.

Recent topics in the treatment for unresectable biliary cancer: Conversion surgery and comprehensive genome panel examination

Recent topics in the treatment for unresectable biliary cancer: Conversion surgery and comprehensive genome panel examination

Main Syndrome and Antibody Effects of Autoimmune Encephalitis Caused by Antineuronal Surface Antibodies: An Update

Since the discovery of a series of antineuronal surface antibodies (NSAs), the diagnostic approach and management of patients with autoimmune encephalitis (AE) and related disorders have undergone a "paradigm shift." However, recent topics described below are also announcing the dawn of the next era in the practice of patients with AE. As the clinical spectrum of NSA-associated AE expands, some types of AE (e.g., anti-DPPX antibody-associated and anti-IgLON5 antibody-associated disorders) can be misclassified into reconsider diagnosis when using the previously published diagnostic criteria. Nobel active immunization animal models of NSA-associated disorders (e.g., anti-NMDAR encephalitis model) can remarkably emphasize the understanding of the pathophysiological effects and main syndrome induced by NSAs. Additionally, several international clinical trials (e.g., rituximab, inebilizumab, ocrelizumab, bortezomib, and rozanolixizumab) for AE treatments, including anti-NMDAR encephalitis, have been implemented. Data from these clinical trials can be used to establish the best treatment of AE.

Combating propaganda texts using transfer learning

Recently, it has been observed that people are shifting away from traditional news media sources towards trusting social networks to gather news information. Social networks have become the primary news source, although the validity and reliability of the information provided are uncertain. Memes are crucial content types that are very popular among young people and play a vital role in social media. It spreads quickly and continues to spread rapidly among people in a peer-to-peer manner rather than a prescriptive. Unfortunately, promoters and propagandists have adopted memes to indirectly manipulate public opinion and influence their attitudes using psychological and rhetorical techniques. This type of content could lead to unpleasant consequences in communities. This paper introduces an ensemble model system that resolves one of the most recent natural language processing research topics; propaganda techniques detection in texts extracted from memes. The paper also explores state-of-the-art pretrained language models. The proposed model also uses different optimization techniques, such as data augmentation and model ensemble. It has been evaluated using a reference dataset from SemEval-2021 task 6. Our system outperforms the baseline and state-of-the-art results by achieving an F1-micro score of 0.604% on the test set.

Time-orientations of older adults in group conversations and their association with memory functioning

This study investigated the time orientation of older adults in group conversations and its association with their memory functioning. We hypothesized that those with a greater ability to memorize recently accessed information would talk about more recent topics in natural conversations. To test this hypothesis, we used dictation data from older adults’ group conversations and categorized their utterances in terms of the time to which the utterances refer. While inheriting the conventional coding categories for the temporal focus of the utterances, Past, Present, and Future, this study assigned a new category, Recent, to an utterance that referred to an event within the past month to distinguish between recent and remote memories. We further classified utterances concerning whether they were experience-based or knowledge-based, based on the distinction between two types of declarative memories: episodic and semantic memories. We found that the frequency of knowledge-based utterances had significant positive associations with memory functioning if they were Recent-tagged. However, the frequency of experience-based utterances had no significant association with memory functions, irrespective of whether the sentence was Past- or Recent-tagged. Based on the results, we discussed what type of intervention program would be effective in preserving or improving memory function in older adults.

A tribute to Professor Walter Traunspurger

Summary With this tribute, we want to highlight Professor Walter Traunspurger’s achievements and contributions to education and research in the fields of nematology and ecology. Walter started to teach in 1998 in the Department of Animal Ecology at Bielefeld University (Germany) and completed his tenure in September 2022, a milestone in his career for which he deserves appreciation, although he is surely going to stay as enthusiastic and busy for many years to come. Over his 30 years of an outstanding academic career, he has supervised 22 Ph.D., 49 M.Sc. and 139 B.Sc. students. He has published over 200 research articles in leading zoological, ecological and ecotoxicological journals. Walter is one of the few living nematologists capable of identifying free-living freshwater nematodes to species level. However, his expertise and research interests are much broader with his biota-inclusive and trans-disciplinary approaches. For his students and colleagues, he has been an inexhaustible source of idealism, knowledge and lively experiences. The book, Ecology of freshwater nematodes, edited by Walter in 2021, provides a good overview of his recent research topics. Here, by summarising and sharing his main scientific accomplishments in this article, we hope that his story will inspire the next generation of nematologists and ecologists to continue his legacy and explore the promising avenues of research that he opened up during his productive scientific career.

The role of intelligences in teams: a systematic literature review

AbstractWith organizations moving towards team-based structures, there is a great interest in studying organizational teams. Using a comprehensive, thorough, and systematic literature review, this study reviews the existing studies that have contributed to the importance of intelligences in various types of teams. This study intends to structure existing research, identify its current trends, and provide an overview of recent research strands and topics on the role of intelligences in organizational teams. Searches were conducted of Web of Science and EBSCO databases, and 44 eligible studies, published in Chartered Association of Business Schools (ABS) ≥ 2-star journals, were identified. The results indicate that cognitive ability, emotional intelligence, and cultural intelligence can be considered important factors contributing to various team-related outcomes. Furthermore, the findings demonstrate a growing interest in research on global virtual teams, which is a trend that is predicted to continue. Suggestions for future research directions are discussed.

News in gastroenterology, hepatology and digestive endoscopy.

Gastroenterology, hepatology and digestive endoscopy are rapidly evolving disciplines with significant advances in the diagnostics and treatment in the entire gastrointestinal tract. The aim of our article was to summarize new perspectives on relevant situations in gastroenterology and hepatology like acute pancreatitis, functional dyspepsia, rational indication of proton pump inhibitors, inflammatory bowel diseases (IBD), cholestatic liver diseases, alcohol induced hepatitis, non-alcoholic fatty live disease (NAFLD) and patophysiology of bilirubin and bile acids. Digestive endoscopy represents an interventional part of gastroenterology and key recent topics are mentioned like pancreatic cancer screening, arteficial intelligence, resection of low-risk neoplastic lesions, enteroscopy techniques, cholangio- and pancreatiscopy and extraluminal expansion of endoscopy techniques by means of endoscopic submucosal and transmural dissection, endoscopic myotomy and lumen apposing stents.

Review: Inelastic Constitutive Modeling: Polycrystalline Materials.

This article provides a literature review that details the development of inelastic constitutive modeling as it relates to polycrystalline materials. This review distinguishes between inelastic constitutive models that account for nonlinear behavior at the microstructural level, time-independent classic plasticity models, and time-dependent unified models. Particular emphasis is placed on understanding the underlying theoretical framework for unified viscoplasticity models where creep and classical plasticity behavior are considered the result of applied boundary conditions instead of separable rates representing distinct physical mechanisms. This article establishes a clear understanding of the advantages of the unified approach to improve material modeling. This review also discusses recent topics in constitutive modeling that offer new techniques that bridge the gap between the microstructure and the continuum.

Discovery of RANKL and the current and future impact of its research

Discovery of RANKL (receptor activator of NF-κB ligand) had an impact on identification of the mechanisms regulating osteoclast differentiation and function, resulting in establishment of research field bridging bone biology and immunology (osteoimmunology), and development of a human anti-RANKL monoclonal antibody (denosumab). Denosumab has been clinically available for treatment of osteoporosis and cancer-induced bone diseases in many countries. Denosumab is a so-called blockbuster of which sales amount was 5.3 billion US dollars in 2021. I will discuss the intense competition between Amgen Inc. and us regarding discovery of RANKL. One of the recent topics is the identification of RANKL reverse signaling with a RANKL-binding peptide, W9 known as a RANKL antagonist. The RANKL reverse signaling stimulates differentiation of osteoblasts and bone formation. The findings revealed the RANKL-RANK (a receptor of RANKL) dual signaling in coupling between bone resorption and bone formation. Interestingly, W9 also stimulates differentiation of chondrocytes and repairs defect of articular cartilage regardless of RANKL. Identification of the mechanisms will be useful for development of pharmaceuticals treating osteoarthritis. I also suggest possible applications of anti-RANKL antibody (anti-RANKL) to the treatment of cancer patients. RANKL has an important role in development of medullary thymic epithelial cells (mTECs) establishing self-tolerance. Anti-RANKL potentiates anticancer immune responses thorough regeneration of tumor-reactive T-cells by inhibiting mTEC development. I expect the synergy of anti-RANKL and immune checkpoint inhibitors such as anti-CTLA-4 antibody and anti-PD-1 antibody for immuno-oncology. Several clinical trials are currently in progress. It is likely that cancers will not be incurable diseases in the near future.

The Link Between Expertise, the Cognitive Demands of Teacher Noticing and, Experience in Teaching Mathematics in Secondary Schools

Teacher noticing, a situation-specific part of teachers’ professional competence, has gained much importance in the past two decades. The construct is believed to play a crucial role in the transfer of knowledge and skills into professional teaching performance. However, there is little empirical evidence on how the length of teachers’ teaching experience affects the development of expertise in teacher noticing. In particular, little research has been conducted on the development of facets of teacher noticing—namely perception, interpretation, and decision-making—as well as the handling of cognitive demands while applying teacher noticing. To fill this research gap, the present study investigates the teacher noticing of master’s students, early-career teachers, and experienced teachers in the context of secondary mathematics via cross-sectional comparison. Teacher noticing skills and differences between the three groups are analyzed based on participants’ ability to deal with the cognitive demands of an established video-based teacher noticing instrument. The results suggest significant increases in teacher noticing from students to in-service teachers, especially in mathematic-specific areas. Hardly any significant differences were found between early-career and experienced teachers, which suggests a stagnation in teacher noticing skills. However, the early-career teachers showed better performance in decision-making and mathematics-related items as well as knowledge-based items related to recent topics from mathematics pedagogy and general pedagogy. This result emphasizes the importance of knowledge prerequisites for the development of expertise in teacher noticing. It also highlights that expertise development is not directly connected to the length of teaching experience.

21세기 한국고대사의 연구 성과와 지평의 확장 - 새롭게, 세밀하게 그리고 경계를 넘어 -

A major feature of Korean ancient history research since 2000 is the quantitative increase in research papers, like other Korean history research fields. The reasons are the increase in researchers and academic journals, the development of computer devices and digital media, the establishment of DBs for research data, quantitative research evaluation systems, large research projects of various institutions, and political and diplomatic factors. In general, the proportion of research trends is still high in political history, foreign relations history, and cultural history, but micro-historical research has been increasing rather than large discourse since the 1990s.BR This paper summarizes the research results of Korean ancient history in two aspects, focusing on doctorate thesis and books after the 2000s. The first is the study on the historical materials. It summarized the reassessment on historical documents, research on editions of historical documents, new readings or re-examination of epigraph materials, and research on newly excavated wooden tablets and memorial inscriptions. The second is the expansion and diversification of existing research topics. It summarized the studies on laws, administrative systems, national rituals, ritual system, and capital city focusing on institutional history. In particular, in recent topics that have attracted attention, the need for comparison with the cases of China and Japan or interdisciplinary research has increased.BR Since the 2000s, research results have been accumulated to discover new historical materials or review basic historical materials. On the other hand, according to changes in society, research areas were diversified and new methodologies were developed, and research topics were subdivided and specialized accordingly.BR Nevertheless, there is still a direction to emphasize or move forward. The first is to comprehensively review historical materials by perspectives and methods not only in historical studies but also in various fields on the premise of empirical analysis of literature and archaeological data. On the basis of such research, we can expect the establishment of

Chinese Anti-Westernism on social media

The Chinese Communist Party and its supporters are increasingly using social media platforms to shape China’s public image. This online image is a means of strengthening domestic nationalism and of projecting “soft power” abroad. This paper examines various forms of anti-Westernism that are central to this image-making. It analyzes several recent topics—the Belt and Road Initiative, climate change, the COVID-19 vaccine, the Beijing Olympics, and the conflict in Ukraine—on the r/Sino subreddit page of Reddit and compares them with two online news outlets, the South China Morning Post and China Daily. The paper focuses on how these media frame the contest between a rising China and a failing West, so creating a discourse that competes with the negative portrayals of China outside the country. The paper contrasts the aggressive strengthening of China’s image against the West on social media with more sober accounts of the same topics in China’s official media and in commercial news outlets. The contribution of the paper is to document an emerging online anti-Westernism that is playing an increasing role in the changing geopolitical landscape.

Post-Fire Mechanical Properties of Concrete Incorporating Waste EPS (Styrofoam) as Aggregate Replacement

Reusing waste is one of the most recent topics and one of the main contributors to sustainability. It is known that concrete is one of the most common materials to produce different types of construction members around the world. That is due to mainly its low cost, availability, long period of durability, and ability to withstand harsh environments. On the other hand, due to the rapid changes that have happened in the last few decades in the production of decorative materials, some material types of cladding are used for decoration purposes, such as Styrofoam (EPS) (trade name “Astropol”), which is developed from disposal materials. Discovering and implementing a method of reusing these wastes in concrete is beneficial for the environment to reduce waste around the globe. In the current study, Styrofoam (Astropol) waste was used as a replacement for fine aggregate since concrete structures contain this material in their composition. It is important to test these materials for fire resistance and expose them to an elevated temperature in order to discover the post-fire mechanical properties of the composite material. The experimental result showed that the post-fire compressive strength of concrete containing different ratios of EPS (Astropol) increases compared to conventional concrete. The compressive strengths were 19.94 MPa, 19.295 MPa, 16.806 MPa, and 17.66 MPa for 0%, 15%, 25%, and 50%, respectively, while the post-fire indirect tensile strength for all specimens containing EPS reduced as the fire duration and temperature increased.

Recent advances in studies on magnetosome-associated proteins composing the bacterial geomagnetic sensor organelle.

Magnetotactic bacteria (MTB) generate a membrane-enclosed subcellular compartment called magnetosome, which contains a biomineralized magnetite or greigite crystal, an inner membrane-derived lipid bilayer membrane, and a set of specifically targeted associated proteins. Magnetosomes are formed by a group of magnetosome-associated proteins encoded in a genomic region called magnetosome island. Magnetosomes are then arranged in a linear chain-like positioning, and the resulting magnetic dipole of the chain functions as a geomagnetic sensor for magneto-aerotaxis motility. Recent metagenomic analyses of environmental specimens shed light on the sizable phylogenetical diversity of uncultured MTB at the phylum level. These findings have led to a better understanding of the diversity and conservation of magnetosome-associated proteins. This review provided an overview of magnetosomes and magnetosome-associated proteins and introduced recent topics about this fascinating magnetic bacterial organelle. This article is protected by copyright. All rights reserved.