bluuebunny/crossref_metadata_2025 huggingface dataset:
Generation of Bright–Dark Pulse Pairs in the Er-Doped Mode-Locked Fiber Laser Based on Doped Fiber Saturable Absorber
Authors: Qi Yaoyao , Yu Qixing , Sun Wei , Gao Yaqing , Zhang Yu , Bai Zhenxu , Ding Jie , Yan Bingzheng , Wang Yulei , Lu Zhiwei , Yan Dapeng
Published: June 2024

This study reports new types of passive mode-locked Er-doped fiber laser (EDFL) based on a segment of doped fiber saturable absorber (DFSA) with Tm/Ho-doped fiber (THDF), Yb-doped fiber (YDF), and Er-doped fiber (EDF). By employing THDF-SA, a bright pulse sequence with a fundamental repetition rate of 17.86 MHz was obtained. In addition, various mode-locked output states, including dark pulses, dark–bright pulse pairs, bright–dark pulse pairs, and second-harmonic pulses, were obtained through polarization modulation and gain modulation, and the orthogonality of dark–bright pulses in both polarization directions was verified. Furthermore, using EDF-SA and YDF-SA, dark pulses and dark–bright pulses were obtained. A comparison of the three experiments revealed that THDF-SA effectively reduces the mode-locked threshold and improves the average output power. Compared with bright pulses, dark pulses offer several advantages such as resisting noise, increasing propagation speed, and suppressing nonlinear scattering (such as pulse-intrinsic Raman scattering); thus, the EDFL can find broad application in long-distance transmission, precision measurement, and other fields.
Genome-Wide Association Study Identifies Quantitative Trait Loci and Candidate Genes Involved in Deep-Sowing Tolerance in Maize (Zea mays L.)
Authors: Yang Jin , Liu Zhou , Liu Yanbo , Fan Xiujun , Gao Lei , Li Yangping , Hu Yufeng , Hu Kun , Huang Yubi
Published: June 2024

Deep sowing is an efficient strategy for maize to ensure the seedling emergence rate under adverse conditions such as drought or low temperatures. However, the genetic basis of deep-sowing tolerance-related traits in maize remains largely unknown. In this study, we performed a genome-wide association study on traits related to deep-sowing tolerance, including mesocotyl length (ML), coleoptile length (CL), plumule length (PL), shoot length (SL), and primary root length (PRL), using 255 maize inbred lines grown in three different environments. We identified 23, 6, 4, and 4 quantitative trait loci (QTLs) associated with ML, CL, PL, and SL, respectively. By analyzing candidate genes within these QTLs, we found a γ-tubulin-containing complex protein, ZmGCP2, which was significantly associated with ML, PL, and SL. Loss of function of ZmGCP2 resulted in decreased PL, possibly by affecting the cell elongation, thus affecting SL. Additionally, we identified superior haplotypes and allelic variations of ZmGCP2 with a longer PL and SL, which may be useful for breeding varieties with deep-sowing tolerance to improve maize cultivation.
Phytoremediation Potential of Flax Grown on Multimetal Contaminated Soils: A Field Experiment
Authors: Kotoula Danai , Papazoglou Eleni G. , Economou Garifalia , Trigas Panayiotis , Bouranis Dimitris L.
Published: June 2024

The aim of this study was to assess the phytoremediation potential of fiber flax (Linum usitatissimatum L., var. Calista) cultivated in a soil contaminated with multiple metals, under real field conditions. A two-year (2022 and 2023) field experiment was conducted in a site contaminated with elevated concentrations of Cd, Ni, Cu, Pb, and Zn due to mining and metallurgical activities. Three different nitrogen fertilization levels were tested (N0: 0 kg N ha−1, N1: 30 kg N ha−1, N2: 60 kg N ha−1), and both spring and winter sowings were conducted. At full maturity, growth parameters and yields were measured. The phytoremediation potential of flax was assessed in terms of the metal concentrations in the above-ground biomass and of the metal uptake (i.e., the potential removal of the soil metals in g ha−1 and per year). Flax demonstrated a shorter growth cycle, with shorter and thicker plants and higher yields when sown in spring compared to winter sowing. Plant growth and productivity were not evidently influenced by additional nitrogen fertilization during plant growth. The cadmium bioaccumulation factor was 1.06, indicating that flax accumulates this metal. For Ni, Cu, Pb, and Zn, the corresponding values were 0.0, 0.04, 0.004, and 0.02, suggesting that this crop excludes these metals. The order of the higher uptake in plant tissues was as follows: Zn > Pb > Cd > Cu > Ni. In conclusion, flax demonstrated tolerance to heavy metals in the soil, effectively supporting soil restoration through cultivation. Additionally, flax showed potential as a cadmium accumulator while excluding nickel, copper, lead, and zinc.
Assessment of Possibly Toxic Elements in Landfill Soils and Their Impacts on the Ecosystem in Alice, South Africa
Authors: Maphuhla Nontobeko Gloria , Oyedeji Opeoluwa Oyehan
Published: June 2024

Soil contamination by metallic components is an obscure, detrimental, protracted, and irreparable predicament. Dumping of waste containing heavy metals into landfills, fertilizer and pesticide application, and coal combustion results in high toxicity of metallic elements, and their continuous accumulation in soil pollutes the environment, which, in turn, poses a threat to human health. The specimens were subsequently dehydrated, processed for mineralization, and carefully examined microscopically by scanning electron microscopy and energy-dispersive X-ray spectroscopy (SEM/EDX), which examined their mineral substance, crystalline configuration, and chemical composition. Thirteen (13) elements were detected, and only eight (8) metals were discovered (K, Mg, Na, Ca, Al, Fe, Au, Ba), including non-metals (C, O, Cl, P) and a metalloid (Si). The concentrations of possibly toxic elements obtained showed no consistent succession, as they fluctuated across the examined sites. The Al concentration ranged from 3.78 ± 0.23 wt% to 10.23 ± 0.31 wt%, while the Fe concentration fluctuated from 4.14 ± 0.40 wt% to 13.13 ± 1.07 wt%. Na and Mg levels were present in all samples, but their availability was minimal, at less than 2.0 wt%, ranging between 1.44 ± 0.20 wt% and 0.31 ± 0.08 wt%. The concentrations of Ca and K were low in all soil samples, ranging from 0.91 ± 0.14 wt% to 5.56 ± 0.47 wt% for Ca and from 1.32 ± 0.25 wt% to 4.87 ± 0.18 wt% for K. During the investigation at the designated and control areas, it was discovered that the concentrations of potentially hazardous metals exceeded the accepted limits established by the World Health Organization (WHO) > 100 ppm. The findings provide proof of metallic contaminants in the study region, which calls for proper monitoring, management, and remedial measures of metal-tainted sites, since the residents of this locality are at a significantly elevated risk of experiencing adverse effects due to their heightened exposure to these elements. As a result of that, there is an imperative need to monitor and regulate this area regularly and appropriately. The study recommends sustainable farming practices, where farmers could use natural fertilizers and compost, as well as, the implementation of proper waste management, effective recycling techniques, and proper disposal of substances containing heavy metals as byproducts. Further implement remediation techniques that effectively and safely restore soils contaminated by metals in an environmentally sustainable and economically efficient manner.
Bilayer C60 Polymer/h-BN Heterostructures: A DFT Study of Electronic and Optic Properties
Authors: Chernozatonskii Leonid A. , Kochaev Aleksey I.
Published: June 2024

Interest in fullerene-based polymer structures has renewed due to the development of synthesis technologies using thin C60 polymers. Fullerene networks are good semiconductors. In this paper, heterostructure complexes composed of C60 polymer networks on atomically thin dielectric substrates are modeled. Small tensile and compressive deformations make it possible to ensure appropriate placement of monolayer boron nitride with fullerene networks. The choice of a piezoelectric boron nitride substrate was dictated by interest in their applicability in mechanoelectric, photoelectronic, and electro-optical devices with the ability to control their properties. The results we obtained show that C60 polymer/h-BN heterostructures are stable compounds. The van der Waals interaction that arises between them affects their electronic and optical properties.
Comparison of Mechanical Property Simulations with Results of Limited Flexural Tests of Different Multi-Layer Carbon Fiber-Reinforced Polymer Composites
Authors: Bastovansky Ronald , Smetanka Lukas , Kohar Robert , Mishra Rajesh Kumar , Petru Michal
Published: June 2024

This article is focused on the experimental study of flexural properties in different multi-layer carbon fiber-reinforced polymer (CFRP) composites and correlations with the results of finite element method (FEM) simulations of mechanical properties. The comparison of the results shows the possibility of reducing the number of experimental specimens for testing. The experimental study of flexural properties for four types of carbon fiber-reinforced polymer matrix composites with twill weaves (2 × 2) was carried out. As input materials, pre-impregnated carbon laminate GG 204 T and GG 630 T (prepreg) and two types of carbon fiber fabrics (GG 285 T and GG 300 T (fabric)) were used. Multi-layer samples were manufactured from two types of prepregs and two types of fabrics, which were hand-impregnated during sample preparation. The layers were stacked using same orientation. All specimens for flexural test were cut with the longer side in the weft direction. Pre-impregnated carbon laminates were further impregnated with resin DT 121H. Carbon fabrics were hand-impregnated with epoxy matrix LG 120 and hardener HG 700. To fulfill the aim of this research, finite element method (FEM)-based simulations of mechanical properties were performed. The FEM simulations and analysis were conducted in Hexagon’s MSC Marc Mentat 2022.3 and Digimat 2022.4 software. This paper presents the results of actual experimental bending tests and the results of simulations of bending tests for different composite materials (mentioned previously). We created material models for simulations based on two methods—MF (Mean Field) and FE (Finite Element), and the comparative results show better agreement with the MF model. The composites (GG 285 T and GG 300 T) showed better flexural results than composites made from pre-impregnated carbon laminates (GG 204 T and GG 630 T). The difference in results for the hand-impregnated laminates was about 15% higher than for prepregs, but this is still within an acceptable tolerance as per the reported literature. The highest percentage difference of 14.25% between the simulation and the real experiment was found for the software tool Digimat FE 2022.4—GG 630 T composite. The lowest difference of 0.5% was found for the software tool Digimat MF 2022.4—GG 204 T composite. By comparing the results of the software tools with the results of the experimental measurements, it was found that the Digimat MF 2022.4 tool is closer to the results of the experimental measurements than the Digimat FE 2022.4 tool.
The Status of Indigenous Chicken Genetic Resources: An Analysis of Farmers’ Perspectives and Implications for Breed Conservation Priorities in Zambia
Authors: Kanyama Christopher M. , Ngosa Mathews , Moss Amy F. , Crowley Tamsyn M.
Published: June 2024

(1) Background: Indigenous chickens (Gallus domesticus) (ICs) are an essential component of agriculture and rural livelihood among 80% of small-scale farmers (SSFs) in Sub-Saharan Africa (SSA). However, in the past decade, significant losses of Indigenous Chicken Animal Genetic Resources (IC-AnGR) resulting from poultry diseases, imported exotic breeds, poor market access, and uncontrolled crossbreeding have been reported. This study aimed to investigate the status of IC-AnGR and assess the major challenges affecting the production of ICs. (2) Methods: We surveyed 358 households in eastern, central, and southern livelihood zones, comprising 81.6% males and 17.6% females. (3) Results: Our study shows that respondents owned 16,112 ICs, 3026 goats, and 5183 herds of cattle. Overall, 77.4% of chicken breeds were ICs and 22.6% were exotic. Across the three zones, 18–44% reported the introduction or adoption of exotic breeds in the past decade, with most households sourcing breeding stock from local communities and family and friends at 45% and 28.6%, respectively. Farmers gave various reasons for adopting new chicken breeds, including fast growth (21.7%), larger mature sizes (21.7%), and resistance to diseases at 15.2%. Overall, 92.5% of farmers agreed or strongly agreed that some IC breeds disappeared in the past decade and nearly 90% were concerned. Some attributed the loss to poultry diseases. (4) Conclusion: Deliberate policies to promote the sustainable use and conservation of ICs are critical in Zambia.
Achievements and Challenges of Matrix Solid-Phase Dispersion Usage in the Extraction of Plants and Food Samples
Authors: Zgoła-Grześkowiak Agnieszka , Grześkowiak Tomasz , Ligor Magdalena , Frankowski Robert
Published: June 2024

A review of the application of matrix solid-phase dispersion (MSPD) in the extraction of biologically active compounds and impurities from plants and food samples with a particular emphasis on conventional and new types of sorbents has been provided. An overview of MSPD applications for the isolation of organic residues from biological samples, determined using chromatographic and spectroscopic techniques, has been presented. In this study, procedural solutions that may extend MSDP applicability for the extraction such as vortex-assisted, ultrasound-assisted, microwave-assisted, and extraction with a magnetic sorbent have been discussed. Special attention has been paid to MSPD sorbents including modified silica, diatomite, magnesium silicate, alumina, carbon materials (carbon nanotubes, graphene oxide, graphene, or graphite), molecularly imprinted polymers, and cyclodextrin. An important aspect of the MSPD procedure is the use of high-purity and environmentally friendly solvents for extraction (e.g., deep eutectic solvents), with such criteria being the most important for modern analytical chemistry. Many advantages of MSPD are presented, such as high recoveries, the requirement for a smaller volume of solvent, and shorter procedure times than classical methods.
New Insight into the Degradation of Sunscreen Agents in Water Treatment Using UV-Driven Advanced Oxidation Processes
Authors: Simetić Tajana , Nikić Jasmina , Kuč Marija , Tamindžija Dragana , Tubić Aleksandra , Agbaba Jasmina , Molnar Jazić Jelena
Published: June 2024

This study evaluates, for the first time, the effects of UV/PMS and UV/H2O2/PMS processes on the degradation of sunscreen agents in synthetic and natural water matrices and compares their effectiveness with the more conventional UV/H2O2. Investigations were conducted using a mixture of organic UV filters containing 4-methylbenzylidene camphor (4-MBC) and 2-ethylhexyl-4-methoxycinnamate. Among the investigated UV-driven AOPs, UV/PMS/H2O2 was the most effective in synthetic water, while in natural water, the highest degradation rate was observed during the degradation of EHMC by UV/PMS. The degradation of UV filters in the UV/PMS system was promoted by sulfate radical (68% of the degradation), with hydroxyl radical contributing approximately 32%, while both radical species contributed approximately equally to the degradation in the UV/H2O2/PMS system. The Vibrio fischeri assay showed an increase in inhibition (up to 70%) at specific stages of UV/H2O2 treatment when applied to natural water, which further decreased to 30%, along with an increase in UV fluence and progressive degradation. The Pseudomonas putida test recorded minor toxicity (<15%) after treatments. Magnetic biochar utilized in conjunction with UV-driven AOPs exhibited superior performance in eliminating residual contaminants, providing an efficient and sustainable approach to mitigate sunscreen agents in water treatment.
Plasma and Kidney Proteome Profiling Combined with Laser Capture Microdissection Reveal Large Increases in Immunoglobulins with Age
Authors: Chan Leanne J. G. , Olsson Niclas , Preciado López Magdalena , Hake Kayley , Tomono Haruna , Veras Matthew A. , McAllister Fiona E.
Published: June 2024

One of the main hallmarks of aging is aging-associated inflammation, also known as inflammaging. In this study, by comparing plasma and kidney proteome profiling of young and old mice using LC–MS profiling, we discovered that immunoglobulins are the proteins that exhibit the highest increase with age. This observation seems to have been disregarded because conventional proteome profiling experiments typically overlook the expression of high-abundance proteins or employ depletion methods to remove them before LC–MS analysis. We show that proteome profiling of immunoglobulins will likely be a useful biomarker of aging. Spatial profiling using immunofluorescence staining of kidney sections indicates that the main increases in immunoglobulins with age are localized in the glomeruli of the kidney. Using laser capture microdissection coupled with LC–MS, we show an increase in multiple immune-related proteins in glomeruli from aged mice. Increased deposition of immunoglobulins, immune complexes, and complement proteins in the kidney glomeruli may be a factor leading to reduced filtering capacity of the kidney with age. Therapeutic strategies to reduce the deposition of immunoglobulins in the kidney may be an attractive strategy for healthy aging.
Minorities’ Diminished Psychedelic Returns: Gender, Perceived Stigma, and Distress
Authors: Viña Sean Matthew
Published: June 2024

Because psychedelics have been found to increase psychological traits like openness, mental flexibility, and interpersonal perceptiveness, some researchers believe that psychedelics could help individuals cope with the psychological effects of discrimination. However, it is still unclear whether psychedelic use can help manage the internalized stigma that deters formal mental health treatment. This study investigates the impact of six measures of psychedelic use (MDMA, psilocybin, DMT, ayahuasca, peyote/mescaline, and LSD) on psychological distress (Kessler Psychological Distress Scale) and internalized stigma. The study used data from the National Survey of Drug Use and Health (NSDUH) from 2008 to 2019, with a sample size of 458,372 participants. Ordinary least square regression models were conducted using Stata 18. Gender analysis found that among men, ayahuasca use was linked to reduced stigma perception associated with higher distress. For women, DMT use was linked to reduced stigma perceptions when experiencing higher distress. However, results find that individuals who have used MDMA and psilocybin reported heightened perceptions of stigma associated with increased psychological distress. Among women, MDMA and psilocybin use was associated with a higher perception of stigma when they experienced distress. These findings suggest that, overall, psychedelics may not reduce the impact of distress on the perception of stigma, especially for women.
Marriage as Institution
Authors: Danani Carla
Published: June 2024

The text develops philosophical considerations on the “institutional” dimension of marriage. First of all, the meaning of “institution” is problematized, as it is so much disputed and controversially interpreted today. On the one hand, in fact, it is circumscribed to denote a repressive reality—restraining, delaying, even disciplining—considered necessary and rescuing by some scholars, yet harmful and dangerous by others. On the other hand, accentuating its verbal form, “institution” is also understood in terms of movement, as the novelty that results from the act of instituting, as a discontinuity that opens a field of possibilities. Paul Ricœur considers institutions as part of the ethical tripod, i.e., of the ways through which human beings can flourish. In the context of these divergent understandings, this paper secondly considers the possibility to speak of marriage as an institution and to take marriage rituals as an example both of rite of passage and aggregation rituals. Bourdieu says that the separation achieved in rituals has a “consecrating” effect. Third, the paper questions whether functional and symbolic changes in marriage and marriage rituals can affect their institutional status and problematize their consequences.
Dealing with the Trustworthy Gospel in a Post-Christian Australia
Authors: Christofides Peter
Published: June 2024

What is truth? We have entered another period fraught with Gospel confusion—beyond postmodernism to what can be called “post-Christianity”. This is not unusual—so we should not be overwhelmed. This happens periodically, as early as Gal 1:9: “If anybody is preaching to you a gospel other than what you accepted, let him be eternally condemned”. It is all a question of the Gospel, or put another way, evangelism (the communication or announcing “the good news of God”). Evangelism is proclaiming and living a distinct message of Jesus Christ. Jesus is Himself the embodiment of the “good news”. The Gospel has been challenged, eroded and corrupted over the centuries—yet rediscovered by those who practice exegesis of the Biblical record of the New Testament. This article moves on to look at how secular philosophy—rather than Christian philosophy—and other “forms of the truth” have influenced the current situation we find ourselves in.
Responses to Climate Change and Natural Disasters in Pre-Modern Korea: Missional Implications for the Korean Church
Authors: Lee Bright Myeong Seok
Published: June 2024

The relationship between natural cycles and human actions in causing climate change and its impacts on society have been a subject of debate. This paper explores the responses of pre-modern Koreans to climate change and natural disasters. The focus of this paper is on the societal reactions to these natural calamities and disasters during the Koryŏ dynasty (936–1392 A.D.) and their influence on Korea afterwards. This paper investigates the reasons behind the retention of primal religious worldviews in the face of ecological crises while other major imported religions were abandoned. The research method involved in this paper is archival research, and the literature sources include ancient records and other ecotheological resources. Through an analysis of the archival research and ecotheological resources, this study sheds light on the interpretation of climatic events in pre-modern Korea. Furthermore, based on the research findings, it presents missional implications for the Korean church in the post-pandemic era. This study underscores the importance of the church’s responses to environmental awareness, collective responsibility, and spiritual support in addressing the challenges of climate change and provides missional implications for the Korean Church in response to the post-COVID-19 era based on the results of the research.
Beyond Fun: The Need for Emotional Balance in Children’s Worship
Authors: Jesse Daniel
Published: June 2024

This paper examines the emotional balance in children’s worship and the need to move beyond the focus on fun. The author argues that while having fun is important, it should not be the main focus of worship. This paper discusses the myth of the always happy child and the consequences of adults trying to regulate the feelings of children. The author suggests that children need to be given space and opportunity to use their own voice and shape their emotions. This paper concludes that churches should listen carefully to what children want and need in their services and adjust their ministry accordingly. The children should have a say in how their worship is done and their opinions need to be respected.
Key Determinants of Corporate Governance in Financial Institutions: Evidence from South Africa
Authors: Khoza Floyd , Makina Daniel , Makoni Patricia Lindelwa
Published: June 2024

The purpose of this study was to examine the key determinants of corporate governance in selected financial institutions. Using South African financial institutions as a unit of analysis, namely insurance companies and banks, the study employed a panel generalised method of moments (GMM) model using a data set for the period from 2007 to 2020, to assess key determinants of corporate governance proxies identified for the study. The study sampled 21 South African financial institutions composed of Johannesburg Securities Exchange (JSE) listed and unlisted banks and insurance companies. To measure corporate governance, the study developed a composite index employing the principal components analysis (PCA) method. The findings revealed a positive and significant association between the corporate governance index and its lagged variables. Furthermore, a significant and positive link was found between the efficiency ratio and corporate governance index and capital adequacy ratio (CAR); corporate governance index and firm size; corporate governance index and leverage ratio (LEV); and corporate governance index and return on assets (ROA). However, a negative and significant correlation was found between financial stability and the corporate governance index. The link between return on equity (ROE) and corporate governance was insignificant. A small cohort of financial institutions was excluded because it was challenging to obtain complete annual reports to extract the required data. The study was limited to only five corporate governance measures, namely board diversity, board size, board composition (independent non-executive directors and non-executive directors), and board remuneration. The findings are anticipated to persuade developing countries to pay special attention to how corporate governance is measured.
Application of Multi-Temporal and Multisource Satellite Imagery in the Study of Irrigated Landscapes in Arid Climates
Authors: Buławka Nazarij , Orengo Hector A.
Published: June 2024

The study of ancient irrigation is crucial in the archaeological research of arid regions. It covers a wide range of topics, with the Near East being the focus for decades. However, political instability and limited data have posed challenges to these studies. The primary objective is to establish a standardised method applicable to different arid environments using the Google Earth Engine platform, considering local relief of terrain and seasonal differences in vegetation. This study integrates multispectral data from LANDSAT 5, Sentinel-2, SAR imagery from Sentinel 1, and TanDEM-X (12 m and 30 m) DSMs. Using these datasets, calculations of selected vegetation indices such as the SMTVI and NDVSI, spectral decomposition methods such as TCT and PCA, and topography-based methods such as the MSRM contribute to a comprehensive understanding of landscape irrigation. This paper investigates the influence of modern environmental conditions on the visibility of features like levees and palaeo-channels by testing different methods and parameters. This study aims to identify the most effective approach for each case study and explore the possibility of applying a consistent method across all areas. Optimal results are achieved by combining several methods, adjusting seasonal parameters, and conducting a comparative analysis of visible features.
Universal Software Only Radar with All Waveforms Simultaneously on a Single Platform
Authors: Kozlov Vitali , Kharchevskii Anton , Rebenshtok Eran , Bobrovs Vjaceslavs , Salgals Toms , Ginzburg Pavel
Published: June 2024

Abstract: While software-defined radars can switch their transmitted waveform on the go, they cannot transmit all waveforms at the same time, meaning they must balance the advantages and drawbacks of each configuration. Here, we propose theoretically and demonstrate experimentally the universal radar, which can apply the desired waveform in the post-processing stage after the physical measurement has been performed. This method also allows using a single measurement of a scene to design and test any other radar in complex scenarios without having to take it to the field. The method is based on post-processing the frequency response measured by a synthetically broadband stepped-frequency continuous wave radar, such as a vector network analyzer. An algorithm for overcoming distortions due to moving targets is derived as well. This approach not only provides an ultra-wideband software-only defined radar, but it also enables the acquired data from any measured site to be used for the design and analysis of almost any other future radar system, significantly cutting the time and cost of new developments. The method suggests the creation of radar raw data repositories that can be shared across diversely different radar platforms.
Adapted Physical Activity Programs for Children with Autism Spectrum Disorder and Neurotypical Children: Differences between Online and Face-to-Face Training
Authors: Zanghì Marta , Roggio Federico , Castorina Alessandro , Pavone Piero , Musumeci Giuseppe
Published: June 2024

During the COVID-19 pandemic, physical activity was significantly decreased in all age groups. The purpose of this study is to investigate children’s motor skills by administering an adapted physical activity program for the development of coordination skills. The sample consisted of 28 children aged 8 to 12 years, 20 neurotypical children and 8 with ASD-HF. Data collection employed various methods, including a personal information form, a leisure time exercise questionnaire, a semi-structured interview, and the Harre Dexterity Circuit for assessing physical activity improvements. The results of the two-way analysis of variance (two-way ANOVA) Tukey HSD test showed the differences between the specific groups, ASD-P vs. ASD-O (p < 0.001), ASD-O vs. AB-O (p < 0.001), ASD-O vs. AB-P (p < 0.001), ASD-O vs. AB-P (p = 0.136), ASD-P vs. AB-P (p < 0.0010, and AB-P vs. AB-O (p = 0.003). As result, both groups showed strong interest in practicing physical activity, and no statistical difference was found in doing so at home or in attendance, showing that physical activity practice is a tool for parent–child bonding and mutual enjoyment, emphasizing that the mixed approach yielded positive results in all participants.
Inheritance and Response to Selection for Seed Weight Using the Large Seeded Landrace Oman 2 of Lucerne
Authors: Irwin John A. G. , Havey Michael J.
Published: June 2024

Seed weight in lucerne (Medicago sativa) may affect subsequent seedling vigour and stand establishment. A landrace of lucerne (Oman 2) from Oman has a 100-seed weight over 60% larger than the largest seeded parent used in previous studies. Crosses were made between Oman 2 and the smaller-seeded cultivar Titan 9, and segregating families were produced for genetic analysis and measurement of response to selection for seed size. There were significant differences in 100-seed weights between the parents (Oman 2 and Titan 9) and subsequent families. Regression of 100-seed weights of F2 families versus F1 parents was highly significant (p < 0.001), as well as 100-seed weights of the F3 families versus F1 parents. Analysis of diallel crossing among large and small-seeded F1 plants revealed highly significant general (GCAs) and specific (SCAs) combining abilities, as well as highly significant reciprocals. The GCA effect was much greater than the SCA effect with a GCA/SCA ratio of 15.9. This large ratio agrees with the significant regression coefficients and indicates that 100-seed weight in lucerne has high heritability. The significance of reciprocals was due to a large maternal effect in which large-seeded maternal parents produced progenies with significantly larger seeds relative to small-seeded parents. These results indicate that large-seeded plants should be used as the maternal parents in crosses and for recurrent selection to increase the seed size of progenies.
Extraction and Purification of Catechins from Tea Leaves: An Overview of Methods, Advantages, and Disadvantages
Authors: Cioanca Oana , Lungu Ionut-Iulian , Mita-Baciu Ioana , Robu Silvia , Burlec Ana Flavia , Hancianu Monica , Crivoi Florina
Published: June 2024

This review study explores the complex methods involved in the extraction and purification of polyphenols, specifically catechins, prominent compounds that are bioactive and found in plant-based extracts and foods like tea. This study also addresses the challenges that may arise from the complex chemical structure of catechins and their inherent variability across botanical sources. Despite these shortcomings and obstacles, catechins and catechin derivatives present significant potential, particularly in healthcare but also in the food industry. Their enhanced antioxidant properties have been exhaustively investigated and associated with countless health benefits, making them promising agents with numerous applications, most notably in healthcare against chronic diseases. Furthermore, catechins have numerous applications across various industries, including food and beverage, cosmetics, agriculture, and materials science. This review is a compilation of the most notable and recent research found in the literature and emphasizes the importance of continued research and innovation in catechin separation, extraction, and utilization, which hold promise for advancing human health and technological progress across multiple domains.
The Essential Oil Composition of Eryngium galioides Lam.—An Endemic Species of the Iberian Peninsula
Authors: Palá-Paúl Jesús , Abad-Calderón Rubén , Pérez-Alonso María José , Brophy Joseph J. , Soria Ana C.
Published: June 2024

The Eryngium L. genus belongs to the Apiaceae family and, with about 250 species, has a cosmopolitan distribution. Only fourteen of the twenty-six species described in Flora Europaea grow in the Iberian Peninsula. One of these is Eryngium galioides Lam., a small annual plant (2–30 cm) that grows in open dry places in the mid-west of the Iberian Peninsula. For this study, the whole plant (aerial parts and roots) of this species was gathered in Guadalajara (Spain). The essential oil of this population was extracted by hydro-distillation and analyzed by gas chromatography (GC) and gas chromatography coupled to mass spectrometry (GC-MS). It is worth noting that this species gave rise to a relatively high essential oil yield (0.48%) in comparison with other species of this genus. E. galioides oil consisted of a complex mixture of more than 70 compounds. The main constituents of this oil were identified as valencene (49.7%) and a phyllocladene isomer (23.7%), both representing more than the 70% of the total oil. Other representative compounds of this oil were found to be β-chamigrene (6.0%), γ-muurolene (3.4%), (E)-caryophyllene (3.0%) and β-elemene (1.6%). As far as we know, this is the first report about the chemical composition of E. galioides essential oils. With this work, we contribute to the knowledge of this genus and provide a chemical and botanical basis to promote the in vitro cultivation of E. galioides as a source of essential oils rich in bio-actives for application in different fields.
Direct and Indirect Effects of Youth Sports Participation on Emotional Intelligence, Self-Esteem, and Life Satisfaction
Authors: Fernandes Helder Miguel , Costa Henrique , Esteves Pedro , Machado-Rodrigues Aristides M. , Fonseca Teresa
Published: June 2024

The present study investigated the mediating effects of emotional intelligence and self-esteem between youth sports participation and life satisfaction, as well as the comparative effects of different types of sports involvement (team, individual, and non-participation) on these selected variables. A sample of 1053 Portuguese adolescents (612 girls and 441 boys), aged between 12 and 18 years (M = 14.40; SD = 1.55), completed the following self-report measures: the Wong and Law Emotional Intelligence Scale, the Rosenberg Self-Esteem Scale, and the Satisfaction with Life Scale. The structural equation modeling results indicated a complete mediating role of two emotional intelligence dimensions (use of emotion and self-emotional appraisal) and self-esteem in the relationship between sports participation and adolescents’ life satisfaction. Team sport participants reported higher emotional intelligence and self-esteem scores than their non-sport participant counterparts who revealed lower levels of emotion use than their individual sport participant peers. These findings provide novel insights into the potential emotional and psychological mechanisms underlying the association between youth sports participation and life satisfaction.
How Does Organizational Leadership Promote Pro-Environmental Behavior? A Moderated Mediation Model of Environmental Corporate Social Responsibility Policies
Authors: Huang Chien-Hsiang , Chang Tai-Wei , Ting Chih-Wen , Huang Stanley Y. B.
Published: June 2024

Pro-environmental behaviors have been confirmed as an essential source of sustainable development. However, there is limited research exploring its antecedents from the perspective of organizational management mechanisms (e.g., environmental leadership). This article draws on upper-echelon and self-consistency theories to explain why environmental leadership induces environmental corporate social responsibility policy adoption, which causes employees’ environmental behavior. In addition, the relationship is mediated by environmental identity. This article collected empirical data from 101 technology firm employees, and the results support all hypotheses. Finally, this article addresses a new research stream of leadership concerning pro-environmental behaviors. It demonstrates a novel pathway to promote pro-environmental behaviors through adopting environmental corporate social responsibility policies, which guides a new research direction in terms of environmental organization behaviors.
The Impact of Football Teams’ Transportation on the Carbon Footprint for Away Matches
Authors: Domański Roman
Published: June 2024

Problem: Participating in professional sport involves constant travel. From a review of the literature, the issue of transport in sport (passenger transport) in generating a carbon footprint has already been noted. A reliable assessment of the scale of this phenomenon is currently underway. The aim of this article is to assess the carbon footprint of transporting football players to away matches. It is complemented by a proposal to change the way matches are played using the Sports Centre concept. Methods: A systematic literature review was carried out in the theoretical part. The research part was conducted based on EN 16258 and the centre of gravity method. The objects of this study are five selected football clubs from the Polish Ekstraklasa, and their method of travel (by coach) to away matches. Results: The use of alternative (low-carbon) modes of transport reduces GHG levels from 13 per cent (Pogoń Szczecin) to 34 per cent (Jagiellonia Białystok). An interesting solution, although not yet adapted to the current times, is the implementation of the Sports Centre concept, which allows a 48 per cent reduction in the distance travelled (81,940 kgCO2e per year). Conclusions: Football clubs can neutralise their remaining carbon footprint through investments that indirectly contribute to total carbon neutrality, such as the planting of oxygen trees or the installation of a photovoltaic system to completely neutralise the carbon footprint.
Towards Zero: A Review on Strategies in Achieving Net-Zero-Energy and Net-Zero-Carbon Buildings
Authors: Lou Hoi-Lam , Hsieh Shang-Hsien
Published: June 2024

The establishment of net-zero-energy and net-zero-carbon buildings can offer significant opportunities to reduce environmental impact in the building sector. Several successful net-zero-energy buildings highlight the feasibility of reducing energy consumption via energy-efficient strategies and the use of renewable energy technologies. To comprehend the existing innovatory designs, techniques, and practices employed to achieve net-zero-energy buildings, this research aims to review the up-to-date advancements in net-zero-energy building practices. The utilization of embodied carbon assessments to achieve the net-zero status of buildings is explored. The findings indicate an escalating global interest and participation in the field of study, and reveal three major areas related to net-zero-energy buildings: multidisciplinary approaches, energy systems, and guidance, which together cover thirteen subfields. The role of life cycle assessment in buildings is emphasized, offering insights into the role of embodied emissions relative to operational emissions over the entire life cycle of a building. In the end, possible future study directions are outlined, including balancing energy efficiency with sustainability, and assessing the impact of design on emissions and economic outcomes. These areas collectively contribute to transforming sustainable building concepts into reality.
Remotely Sensed Changes in Qinghai–Tibet Plateau Wetland Ecosystems and Their Response to Drought
Authors: Fu Aodi , Yu Wenzheng , Bashir Bashar , Yao Xin , Zhou Yawen , Sun Jiwei , Alsalman Abdullah , Alsafadi Karam
Published: June 2024

Wetland ecosystems in the Qinghai–Tibet Plateau are pivotal for global ecology and regional sustainability. This study investigates the dynamic changes in wetland ecosystems within the Chaidamu Basin and their response to drought, aiming to foster sustainable wetland utilization in the Qinghai–Tibet Plateau. Using Landsat TM/ETM/OLI data on the Google Earth Engine platform, we employed a random forest (RF) method for annual long-term land cover classification. Standardized precipitation evapotranspiration indices (SPEI3, SPEI6, SPEI9, and SPEI12) on different time scales were used to assess meteorological drought conditions. We employed a Pearson correlation analysis to examine the relationship between wetland changes and various SPEI scales. The BFASAT method was used to evaluate the impact of SPEI12 trends on the wetlands, while a cross-wavelet analysis explored teleconnections between SPEI12 and atmospheric circulation factors. Our conclusion is as follows: The wetlands, including lake, glacier, and marsh wetlands, exhibited a noticeable increasing trend. Wetland expansion occurred during specific periods (1990–1997, 1998–2007, and 2008–2020), featuring extensive conversions between wetlands and other types, notably the conversion from other types to wetlands. Spatially, lake and marsh wetlands predominated in the low-latitude basin, while glacier wetlands were situated at higher altitudes. There were significant negative correlations between the SPEI at various scales and the total wetland area and types. SPEI12 displayed a decreasing trend with non-stationarity and distinct breakpoints in 1996, 2002, and 2011, indicating heightened drought severity. Atmospheric circulation indices (ENSO, NAO, PDO, AO, and WP) exhibited varying degrees of resonance with SPEI12, with NAO, PDO, AO, and WP demonstrating longer resonance times and pronounced responses. These findings underscore the significance of comprehending wetland changes and drought dynamics for effective ecological management in the Chaidamu Basin of the Qinghai–Tibet Plateau.
Perceptions of Sustainability among Children and Teachers: Problems Revealed via the Lenses of Science Communication and Transformative Learning
Authors: Gelmez Burakgazi Sevinç , Reiss Michael J.
Published: June 2024

Scholars and policymakers see sustainability as depending on the inter-relationships between the three pillars of the environment, society, and the economy. However, it remains less clear how key stakeholders with a responsibility for educating the next generation perceive the concept of sustainability and act accordingly. In order to gain new insights, this research scrutinises participant perceptions of sustainability and climate change in two eco-schools in England for primary children (aged 5–11 years). Our case study involved individual interviews with classroom teachers and headteachers, group interviews with fourth- and fifth-year students (ages 10–12 years), and in-class observations. We also analysed data from student exercise books and photographs of school grounds to understand participants’ self-reported knowledge and perceptions of sustainability and climate change. Within a framework drawing on theories of science communication and transformative learning (a learning approach based on having challenging experiences), the results show that the integration of sustainability into the curriculum was limited and problematic. That is despite the fact that all students and teachers were aware of the environmental dimensions of sustainability, such as climate change and the overuse of natural sources. These findings suggest that schools are no different to other institutional settings when it comes to dealing with the challenges of integrating sustainability into daily practice. We conclude that there is a need for in-service teacher education programmes to enable and motivate teachers to provide richer teaching-learning environments so as to enable effective learning in schools about sustainability and climate change.
The Role of Smart Human Resource Management in the Relationship between Technology Application and Innovation Performance
Authors: Al-Faouri Elham Hmoud , Abu Huson Yazan , Aljawarneh Nader Mohammad , Alqmool Thikra jamil
Published: June 2024

This study investigates the intricate relationships between technology application, smart human resource management (SHRM), and innovation performance within the Jordanian telecom industry. Employing a quantitative research methodology, data were collected from employees of telecommunications firms in Jordan. The results illuminate significant positive associations between technology application, SHRM, and innovation performance, elucidating the pivotal roles of technology and HRM strategies in fostering innovation and bolstering organizational success. Practical implications of the findings advocate for substantial investments in cutting-edge technologies, the integration of intelligent HRM practices, and the prioritization of continuous learning and development initiatives to nurture an innovative workforce. This research contributes to a deeper comprehension of innovation dynamics within the telecommunications sector and furnishes valuable insights for practitioners striving to elevate innovation capabilities within their respective organizations.
Does Tax Sharing Matter for Export Quality Upgrading? Evidence from China
Authors: Zhang Kunpeng , Guo Yibei , Hu Xiaotian
Published: June 2024

Tax policy is critical for business operations and export decisions. However, the relationship between tax sharing and export has been less frequently discussed. This paper explicitly examines the underexplored tax-sharing system’s effect on manufacturing exporters’ export quality and develops four hypotheses. We use data on Chinese manufacturing exporters and prefecture-level tax-sharing from 2008 to 2013 and employ an instrumental variable approach to alleviate the endogeneity problem. The empirical evidence supports our hypotheses. We find that an increase in the prefecture-level government tax-sharing ratio significantly reduces export product quality of firms. This quality effect can occur through channels, including tax burden effect, production scale effect, and innovation effect. Moreover, more productive firms and those operated in cities with stronger intellectual property protection can face a smaller quality-reducing effect. Our findings offer policy implications for improving China’s modernized tax system and trade upgrading. Policymakers should recalibrate the tax-sharing system to reduce the tax burden on manufacturing exporters, particularly for innovative and high-productivity firms, and bolster intellectual property rights to enhance export quality and support China’s trade and economic modernization.