bluuebunny/crossref_metadata_2025 huggingface dataset:
Direct Shoot Regeneration of Plumbago zeylanica Linn. through Tissue Culture Technology
Authors: Raj S Leo Arockia , R Ravindhran. , P Charles , S Dennis , Lebel Antoine
Published: January 2024

ABSTRACT: Chitrak is scientifically known as Plumbago zeylanica Linn. belongs to Plumbaginaceae. Root shows medicinally valuable drug in pharmacological enterprise as the humanity is certainly prone to numerous contagious ailments due to ecological imbalance triggered by the current technology development. One of its remarkable phytoconstituents is plumbagin, a naphthoquinone molecule used to treat skin conditions, tumours, and tenacious chronic rheumatoid arthritis. The objective was to standardize the procedure of Plumbago zeylanica direct-organogenesis micropropagation. The solution contained various concentrations and combinations of auxin and cytokinins, and the nodal explant was used for quick micropropagation. The maximum multiple shoots (18.24 ± 0.51) per explant with shoot length 4. 2cm ± 0.20 cm was produced as the MS medium supplemented with B5 vitamins together with 2mg/l 6- Benzyleaminopurine (BAP) and 1mg/l Indole-3- acetic acid (IAA). The regenerated shoots were rooted in half strength MS medium with B5 vitamins that contained indole-3-butyric acid (IBA). The highest rooting frequency (100%) was seen in the 1.5 mg/l IBA-containing rooting media. The extreme roots were 9.2±0.14 per explant. The average root length was 4.2± 0.10 cm. The in vitro rooted Shoots were then transplanted in the field showing a 100 percentage survival rate.
Isolation, Screening, Identification, and Assessment of Laccase-Producing Fungi Isolated From Different Environmental Samples
Authors: Thrimothi Dasari , Sujatha Edla , Swetha Kuraganti Guna , Krishna Gudikandula
Published: January 2024

ABSTRACT: One of the extracellular enzymes involved in ligninolytic is lacasse, secreted by white and brown rot fungus. The class of blue copper proteins that includes laccases consists of N-glycosylated multicopper oxidases. Ascomycetes, Deuteromycetes, and Basidiomycetes are all fungi that contain laccase; many of these are white-rot fungi that break down lignin. Due to their wide range of substrate specificity, laccases have been the focus of extensive research over the past few decades. Their latest applications include anything from the textile pulp and paper industries to culinary applications and bioremediation techniques. Laccases are also used in organic synthesis, where phenols and amines are common substrates. Dimers and oligomers are produced due to the coupling of reactive radical intermediates in these reactions. The current investigation gathered 50 white rot fungi, and the most incredible laccase-producing organisms in submerged fermentation were looked into. Ten of the 21 cultures displayed a reddish-brown color zone. Of these ten isolates (PTD 19, PTD 4, PP2J15, LKT 34, ITC 1, NRL 7, GOJ 7, PTD2, PP2J, and PKT12), only PP2J15 and GOJ 7 displayed the most reddish-brown color zone. The isolation of white rot fungus, their molecular characterization, and testing for laccase production are all covered in this Paper. Talaromyces verruculosus and Cladosporium cladosporioides were identified as the PP2J15 and GOJ 7 strains based on sequence comparison and phylogenetic analysis with reference taxa.
Study of Antimicrobial Quality of Tobacco Leaves Extract (Nicotiana tabacum) on Aeromonas hydrophila and Escherichia coli.
Authors: Dixit Manju , Tiwari Megha
Published: January 2024

ABSTRACT: Tobacco is a perennial herb and its belong to family Solanaceae. Tobacco leaves have some antimicrobial substance such as alkaloids, phenol and some essential oils. The leaves extract of this plant show some microbial Quality and influence on both gram positive and gram negative bacteria. The aim of this work to determine the effectiveness of tobacco (Nicotiana tabacum) leaves extract in inhibiting on Aeromonas hydrophila and Escherichia coli. The antibacterial test performed on Mueller Hinton Agar (MHA) media. Test result indicate the leaves extract of tobacco showed positive result in Aeromonas hyrdophilla. Tobacco extract can inhibit Aeromonas hyrdophilla growth and a clear zone are found, in case of E. coli it showed negative result in both the cases. Tobacco extract cannot inhibit E. coli growth and the diameter of the inhibitory zone is not clear. The result shown that tobacco leaf extract can be source of an active antimicrobial substance.
The Binding Fragments of Xavier University (Cincinnati, Ohio)
Authors: Noonan Sarah , Ryckbost Anne
Published: January 2024

Abstract: This article provides an overview of the medieval manuscript items found in University Archives and Special Collections at Xavier University in Cincinnati, Ohio. After describing the history of the Xavier University collection, it offers descriptions of nineteen binding fragments recently found within twelve early print volumes and includes provenance information for those volumes when possible. The article ends by reflecting on the benefits of participation in the Peripheral Manuscripts Project and sharing how project outcomes are influencing Special Collections work at Xavier.
Constructing Kurdish Statehood in Northern Iraq: The Primacy of Traditional Statecraft over International Law
Authors: Gunter Michael M.
Published: January 2024

ABSTRACT: This paper analyses the long-running debate between the oft-opposed international legal/political doctrines of self-determination (maintained by the Kurds) and territorial integrity (advocated by Iraq, Turkey, Iran, and Syria) to conclude that the latter trumps the former. The author examines international legal practice regarding the UN, the Helsinki Final Act of 1975, various ICJ decisions regarding former Yugoslavia and Africa, the international legal doctrines of sovereignty, succession and uti possidetis, among others, to reach this conclusion. However, there is nothing in international law that prohibits successful secession as the cases of Eritrea and Kosovo, among others, illustrate. Nevertheless, either the secession must be won in war or accepted peacefully by the original mother state. Neither has occurred in the case of the Kurds. Remedial secession and internal self-determination also offer more flexible interpretations of the applicability of self-determination, but do not constitute international law or detract in any way from the conclusion that territorial integrity takes precedence over self-determination. Thus, international law only plays a secondary role in attempts to solve the Kurdish predicament. Traditional power politics remains the primary solution to the Kurdish predicament. However, by successfully building rudimentary state institutions, the KRG has managed to stake a claim to autonomy and even nascent statehood.
Large mode volume microresonator with a gradient refractive index
Authors: Chen Tianci , Kang Zhaofeng , Zhang Jun , Huang Ziwen , Tang Di , Yang Binbin , Yang Yu , Wang Keyi
Published: January 2024

Whispering gallery mode microcavities have been widely explored because of high Q factors and small mode volumes. Although small mode volumes are beneficial in sensors and nonlinear applications, recent studies suggest that large mode volumes are required for noise reduction in advanced applications. To enhance the mode volume, one possible method is to utilize the material inside the cavity. Herein, a radial gradient refractive index (GRIN) microresonator has an internal potential well and allows the mode field to shift inward. The GRIN resonator is formed by changing the radial refractive index n(r), and can be produced by the mature ion-exchange process. By adjusting the process parameters, the internal potential well can be widened to generate large mode volumes. However, it takes a lot of time to optimize the process parameters of wide potential well resonators using commercial software. Therefore, in this paper, we propose a fast algorithm for radial GRIN microcavities. Using this algorithm, we optimize the diffusion and annealing times of the GRIN resonator to increase the mode volume to more than four times that of the WGM microcavity. COMSOL simulations also support the conclusion with no additional loss in the Q factor.
Lens-free auto-focusing imaging algorithm for the ultra-broadband light source
Authors: Zhang Jialin , Wu Yumin , Yang Ying , Wang Zhenguo
Published: January 2024

Auto-focusing is an essential task for lens-free holographic microscopy, which has developed many methods for high precision or fast refocusing. In this work, we derive the relationship among intensity derivation, the derivative of spectral distribution, as well as the distribution of the object, and propose a new auto-focusing criterion, the Robert critical function with axial difference (RCAD), to enhance the accuracy of distance estimation for lens-free imaging with the ultra-broadband light source. This method consists of three steps: image acquisition and preprocessing, axial-difference calculation, and distance estimation with sharpness analysis. The simulations and experiments demonstrate that the accuracy of this metric on auto-focusing with the ultra-broadband spectrum can effectively assist in determining the off-focus distance. The experiments are conducted in an ultra-broad-spectrum on-chip system, where the samples including the resolution target and the cross-section of the Tilia stem are employed to maximize the applicability of this method. We believe that the RCAD criterion is expected to be a useful auxiliary tool for lens-free on-chip microscopes with ultra-broadband spectrum illumination.
High luminous efficiency and high saturation threshold in highly transparent LuAG:Ce phosphor ceramics for laser diodes lighting
Authors: Chen Hang , Zhang Xiyue , Zhou Chunming , Chen Xu , Li Yanbin , Zhou Tianyuan , Lin Shenghui , Zheng Xinyu , Kang Jian , Shi Chaofan , Shao Cen , Han Pengde , Strek Wieslaw , Chen Hao , Zhang Le
Published: January 2024

Lu3Al5O12:Ce (LuAG:Ce) phosphor ceramics (PCs) with the excellent thermal stability and high saturation threshold are considered as the best green-fluorescent converters for high-power laser diodes (LDs) lighting. In this study, the effects of sintering additives and sintering processes on the transmittance and microstructure of LuAG:Ce PCs were systematically studied, and the luminescence performance of ceramics with different transmittance was compared. LuAG:Ce PCs with the transmittance of 80% (@800 nm, 1.5 mm) were obtained by using 0.1 wt.% MgO and 0.5 wt.% TEOS as sintering additives, combined with optimized vacuum pre-sintering and hot isostatic pressing. Compared to the non-HIP samples, the transmittance had increased by 11%. The microstructure of ceramics indicated that high transparency was closely related to the decrease in intergranular pores. Notably, the luminous efficiency of 253 lm/W and its saturation thresholds of > 46 W/mm2 were obtained simultaneously in green-emitting LDs devices. Moreover, under 3W laser irradiation, highly transparent ceramics had the low surface temperature of 66.4 °C, indicating the good heat dissipation performance. The observed high luminous efficiency and high saturation threshold of LuAG:Ce PCs were attributed to fewer pores and oxygen vacancies. Therefore, this work proves that highly transparent LuAG:Ce PCs are promising green-fluorescent converters for high-power LDs lighting.
Microscopic mechanisms for initiation and evolution of femtosecond laser-induced columnar structures above the surface level of aluminum
Authors: Park Taehoon , Kim Yong-dae , Lee Hyo Soo , Kang Jeongjin , Cho Jongweon , Hwang Taek Yong
Published: January 2024

A better understanding of the formation of femtosecond (fs) laser-induced surface structures is key to the control of their morphological profiles for desired surface functionalities on metals. In this work, with fs laser pulse irradiation, the two stages of formation mechanisms of the columnar structures (CSs) grown above the surface level are investigated on pure Al plates in ambient air. Here, we find that the redeposition of ablated microscale clusters following fs laser pulses of irradiation acts as the nucleation sites of CS formation, which strongly affects their location and density within the laser spot. Furthermore, we suggest their structural growths and morphological shape changes are directly associated with the competition among four laser-impact hydrodynamical phenomena: laser ablation, subsequent molten metal flow, particles’ redeposition, and metal vapor condensation with continued pulse irradiation.
Systematic pole-zero sorting method for neuro-TF modeling of electromagnetic response
Authors: Feng Jingyi , Li Qiushi , Feng Feng , Zhu Lin , Zhang Qi-jun
Published: January 2024

Neuro-transfer functions (neuro-TF) modeling method has been developed as one of the popular methods for parametric modeling of electromagnetic (EM) filter responses. The discontinuity issue of zero and pole data caused by extraction using vector fitting w.r.t. geometrical parameters change affects the neuro-TF training process and limits its modeling accuracy. This issue is addressed by this paper which proposes a novel systematic pole-zero sorting method for neuro-TF parametric modeling. The proposed method can obtain continuous pole-zero data which change much more smooth w.r.t. geometrical parameters change than the existing neuro-TF method, especially solves the difficulty of disorder of positive and negative values due to small values. The proposed systematic sorting method can substantially improve the modeling accuracy during the establishment and training of neuro-TF model over the existing neuro-TF method without systematic sorting.
Observation of gapless corner modes of photonic crystal slabs in synthetic translation dimensions
Authors: Zhang Wen-Jin , Mo Hao-Chang , Chen Wen-Jie , Chen Xiao-Dong , Dong Jian-Wen
Published: January 2024

Second-order topological photonic crystals support localized corner modes that deviate from the conventional bulk-edge correspondence. However, the frequency shift of corner modes spanning the photonic band gap has not been experimentally reported. Here, we observe the gapless corner modes of photonic crystal slabs within a parameter space by considering translation as an additional synthetic dimension. These corner modes, protected by topological pumping in synthetic translation dimensions, are found to exist independently of the specific corner configuration. The gapless corner modes are experimentally imaged via the near-field scanning measurement and validated numerically by full-wave simulations. We propose a topological rainbow with gradient translation, demonstrating the ability to extract and separate specific frequency components of light into different spatial locations. Our work contributes to the advancement of topological photonics and provides valuable insights into the exploration of gapless corner modes in synthetic dimensions.
Improving prediction of cervical cancer using KNN imputer and multi-model ensemble learning
Authors: Aljrees Turki
Published: January 2024

Cervical cancer is a leading cause of women’s mortality, emphasizing the need for early diagnosis and effective treatment. In line with the imperative of early intervention, the automated identification of cervical cancer has emerged as a promising avenue, leveraging machine learning techniques to enhance both the speed and accuracy of diagnosis. However, an inherent challenge in the development of these automated systems is the presence of missing values in the datasets commonly used for cervical cancer detection. Missing data can significantly impact the performance of machine learning models, potentially leading to inaccurate or unreliable results. This study addresses a critical challenge in automated cervical cancer identification—handling missing data in datasets. The study present a novel approach that combines three machine learning models into a stacked ensemble voting classifier, complemented by the use of a KNN Imputer to manage missing values. The proposed model achieves remarkable results with an accuracy of 0.9941, precision of 0.98, recall of 0.96, and an F1 score of 0.97. This study examines three distinct scenarios: one involving the deletion of missing values, another utilizing KNN imputation, and a third employing PCA for imputing missing values. This research has significant implications for the medical field, offering medical experts a powerful tool for more accurate cervical cancer therapy and enhancing the overall effectiveness of testing procedures. By addressing missing data challenges and achieving high accuracy, this work represents a valuable contribution to cervical cancer detection, ultimately aiming to reduce the impact of this disease on women’s health and healthcare systems.
Cr-Detector: A simple chemosensing system for onsite Cr (VI) detection in water
Authors: Dei Jyotsna , Mondal Shirsak , Biswas Ayan , Sarkar Dhruba Jyoti , Bhattacharyya Soumyadeb , Pal Souvik , Mukherjee Subhankar , Sarkar Subrata , Ghosh Alokesh , Bansal Vipul , Bandhyopadhyay Rajib , Das Basanta Kumar , Behera Bijay Kumar
Published: January 2024

Due to the increase in urbanization and industrialization, the load of toxicants in the environment is alarming. The most common toxicants, including heavy metals and metalloids such as hexavalent Chromium, have severe pathophysiological impacts on humans and other aquatic biotas. Therefore, developing a portable rapid detection device for such toxicants in the aquatic environment is necessary. This work portrays the development of a field-portable image analysis device coupled with 3,3’,5,5’-tetramethylbenzidine (TMB) as a sensing probe for chromium (VI) detection in the aquatic ecosystem. Sensor parameters, such as reagent concentration, reaction time, etc., were optimized for the sensor development and validation using a commercial UV-Vis spectrophotometer. The chemoreceptor integrated with a uniform illumination imaging system (UIIS) revealed the system’s applicability toward Cr(VI) detection. The calibration curve using the R-value of image parameters allows Cr(VI) detection in the linear range of 25 to 600 ppb, which covers the prescribed permissible limit by various regulatory authorities. Furthermore, the adjusted R2 = 0.992 of the linear fit and correlation coefficients of 0.99018 against the spectrophotometric method signifies the suitability of the developed system. This TMB-coupled field-portable sensing system is the first-ever reported image analysis-based technology for detecting a wide range of Cr(VI) in aquatic ecosystems to our knowledge.
Effects of service dogs on children with ASD’s symptoms and parents’ well-being: On the importance of considering those effects with a more systemic perspective
Authors: Dollion Nicolas , Poirier Margot , Auffret Florian , François Nathe , Plusquellec Pierrich , Grandgeorge Marine ,   Handi’Chiens,   Fondation Mira
Published: January 2024

The integration of a service dog can have numerous benefits for children with Autism Spectrum Disorder (ASD). However, although integration takes place within a family, little is known about the dynamics of these benefits on the family microsystem. Thus, the aim of our study was to propose a more systemic perspective, not only by investigating the benefits of SD integration, but also by exploring the relationships between improvements in children with ASD, parents’ well-being, parenting strategies and the quality of the child-dog relationship. Twenty parent-child with ASD dyads were followed before, as well as 3 and 6 months after service dog integration. At each stage, parents completed an online survey which included: the Autism Behavior Inventory (ABI-S), the State-Trait Anxiety Inventory (STAI-Y), the Parenting Stress Index Short Version (PSI-SF), the Monash Dog Owner Relationship Scale (MDORS) and the Parenting Styles and Dimensions Questionnaire (PSDQ). First, repeated measure one-way ANOVAs revealed that both children’s ASD symptoms and parents’ anxiety decreased significantly after service dog integration. Additionally, Spearman correlations revealed that the more ASD symptoms decreased, the more parent’s anxiety and parenting stress also decreased. Second, the quality of the child-dog relationship appeared to contribute to those benefits on both children’s ASD symptoms and parents’ well-being. Interestingly, parenting strategies seemed to adapt according to these benefits and to the quality of the child-dog relationship. Through a more systemic perspective, this study highlighted that the integration of a service dog involved reciprocal and dynamic effects for children with ASD and their parents, and shed new light on the processes that may underlie the effects of a service dog for children with ASD.
MAGA Republicans’ views of American democracy and society and support for political violence in the United States: Findings from a nationwide population-representative survey
Authors: Wintemute Garen J. , Robinson Sonia L. , Tomsich Elizabeth A. , Tancredi Daniel J.
Published: January 2024

Background

Identifying groups at increased risk for political violence can support prevention efforts. We determine whether “Make America Great Again” (MAGA) Republicans, as defined, are potentially such a group.

Methods

Nationwide survey conducted May 13-June 2, 2022 of adult members of the Ipsos KnowledgePanel. MAGA Republicans are defined as Republicans who voted for Donald Trump in the 2020 presidential election and deny the results of that election. Principal outcomes are weighted proportions of respondents who endorse political violence, are willing to engage in it, and consider it likely to occur.

Findings

The analytic sample (n = 7,255) included 1,128 (15.0%) MAGA Republicans, 640 (8.3%) strong Republicans, 1,571 (21.3%) other Republicans, and 3,916 (55.3%) non-Republicans. MAGA Republicans were substantially more likely than others to agree strongly/very strongly that “in the next few years, there will be civil war in the United States” (MAGA Republicans, 30.3%, 95% CI 27.2%, 33.4%; strong Republicans, 7.5%, 95% CI 5.1%, 9.9%; other Republicans, 10.8%, 95% CI 9.0%, 12.6%; non-Republicans, 11.2%, 95% CI 10.0%, 12.3%; p < 0.001) and to consider violence usually/always justified to advance at least 1 of 17 specific political objectives (MAGA Republicans, 58.2%, 95% CI 55.0%, 61.4%; strong Republicans, 38.3%, 95% CI 34.2%, 42.4%; other Republicans, 31.5%, 95% CI 28.9%, 34.0%; non-Republicans, 25.1%, 95% CI 23.6%, 26.7%; p < 0.001). They were not more willing to engage personally in political violence.

Interpretation

MAGA Republicans, as defined, are more likely than others to endorse political violence. They are not more willing to engage in such violence themselves; their endorsement may increase the risk that it will occur.
Molecular effects of polystyrene nanoplastics on human neural stem cells
Authors: Martin-Folgar Raquel , González-Caballero Mª Carmen , Torres-Ruiz Mónica , Cañas-Portilla Ana I. , de Alba González Mercedes , Liste Isabel , Morales Mónica
Published: January 2024

Nanoplastics (NPs) have been found in many ecological environments (aquatic, terrestrial, air). Currently, there is great concern about the exposition and impact on animal health, including humans, because of the effects of ingestion and accumulation of these nanomaterials (NMs) in aquatic organisms and their incorporation into the food chain. NPs´ mechanisms of action on humans are currently unknown. In this study, we evaluated the altered molecular mechanisms on human neural stem cell line (hNS1) after 4 days of exposure to 30 nm polystyrene (PS) NPs (0.5, 2.5 and 10 μg/mL). Our results showed that NPs can induce oxidative stress, cellular stress, DNA damage, alterations in inflammatory response, and apoptosis, which could lead to tissue damage and neurodevelopmental diseases.
Strong correlational but no causal evidence on the link between the perception of scientific consensus and support for vaccination
Authors: Czarnek Gabriela , Kossowska Małgorzata
Published: January 2024

We examine the relationships between the perception of the scientific consensus regarding vaccines, and vaccine attitudes and intentions (N total = 2,362) in the context of COVID-19 disease. Based on the correlational evidence found (Study 1), perceived scientific consensus and vaccine attitudes are closely related. This association was stronger among people who trust (vs. distrust) scientists; however, political ideology did not moderate these effects. The experimental evidence (Studies 2–3) indicates that consensus messaging influences the perception of consensus; nonetheless, the effects on vaccine attitudes or intentions were non-significant. Furthermore, message aiming at reducing psychological reactance was similarly ineffective in changing attitudes as traditional consensus message.
Hiding scrambled text messages in speech signals using a lightweight hyperchaotic map and conditional LSB mechanism
Authors: Al Sibahee Mustafa A. , Abduljabbar Zaid Ameen , Luo Chengwen , Zhang Jin , Huang Yijing , Abduljaleel Iman Qays , Ma Junchao , Nyangaresi Vincent Omollo
Published: January 2024

This study presents a lightweight, secure audio steganography system for hiding text messages for transmission over the Internet, with the aim of addressing the current problems of high computational cost and insufficient security identified in earlier studies. We propose a two-phase functioning mechanism. Text characters are first transformed into ASCII code and stored in a vector, which is then divided into three sub-vectors. These sub-vectors are scrambled using two low-complexity operations, namely a forward-backward reading technique and an odd-even index. Two scrambling loops are performed, the first on the small sub-vectors the second on the vector as a whole. In the hiding phase, the speech signal samples are divided into 256 blocks using only 200 values per block, and low-complexity quadratic and the Hénon maps are used to hide the speech signal in a random manner. The conditional LSB is applied as a low-complexity algorithm to identify hidden bits, and a special hyperchaotic map algorithm is developed to randomly choose locations. The proposed approach provides good security for a scrambled text message, with high SNR and PSNR, small MSE and PESQ, a SSIM value of close to one (As indicated in Tables 1, 2, 3, and 4), a BER value of close to zero (as shown in table 8), NCC value near +1 (as shown in table 8), and an MOS value of near five (as described in table 6), as well as a low computational hiding cost.
Cultural Exchange vs. Marginality: A Project for an Islamic Culture House in Genoa, Italy
Authors: Delledonne Nicola
Published: January 2024

Social marginalization at the urban scale can stem from an ingrained fear within opposing societal blocs that their identity is inevitably destined to be undermined, or even lost, due to cultural conflicts. This article argues that the design of projects that juxtapose different cultural traditions and practices and encourage an openness to the exchange of knowledge and learning can both promote the reinforcement of identity, and set the stage for the willing and mutual acceptance of difference. With this perspective as a starting point, this article explores an unrealized project for an Islamic Culture House in Genoa, Italy, intended to be a place in which Islamic culture can be shared with the Christian and non-Christian residents of the city. This unrealized project, which received the European Muslim League’s support in 2012, proposes the transformation of an old building located in the Darsena area, the dockyards of Genoa, into a centre of Islamic culture.
¿Más allá de la Death Education? Un estudio sobre sus tradiciones epistemológicas
Authors: Herrán Gascón Agustín De La , Rodríguez Herrero Pablo , Miguel Yubero Victoria De
Published: January 2024

La death education abarca una amplia gama de ámbitos y contenidos que, desde sus inicios, han incluido el acompañamiento, el duelo y los cuidados, principalmente desde las Ciencias de la Salud. Sólo en las últimas décadas han pasado al campo educativo propiamente pedagógico (sistema educativo, escuelas, formación de educadores, enseñanza, recursos, etc.), aplicándose más allá del duelo. Las revistas científicas mejor indexadas sobre death education definen un espacio válido para dos intenciones: conocer la producción científica en este ámbito, y reconocer contribuciones realizadas desde dos tradiciones epistemológicas: la anglosajona y la centroeuropea, de la que España participa. En esta segunda se diferencian el campo (death education) de la disciplina por antonomasia (Pedagogía de la muerte). El estudio tiene por objetivos: (1) describir las publicaciones sobre death education en revistas científicas de calidad en los últimos diez años, y (2) analizar y comparar las publicaciones de death education desde la perspectiva de las tradiciones epistemológicas anglosajona y centroeuropea. Para ello, se ha realizado un análisis de la producción científica (cuantitativo y descriptivo) entre las publicaciones periódicas de más alto impacto científico en el campo de la death education indexadas en las bases de datos Scopus y Web of Science (WOS) desde enero de 2010 hasta junio de 2022. Posteriormente se ha realizado un examen comparativo sobre doce unidades de análisis desde la perspectiva de ambas tradiciones académicas. La intención global ha sido contribuir a la comprensión de la bibliografía analizada. Se concluye que las aportaciones de ambas tradiciones educativas son enriquecedoras, diferenciables y complementarias. Dentro de la tradición centroeuropea destacan las publicaciones realizadas en el marco de la Pedagogía de la muerte desde España, asociadas al enfoque radical e inclusivo de la educación. Sintéticamente, las publicaciones de la tradición anglosajona y centroeuropea tratan sobre la muerte y la generada desde el enfoque radical e inclusivo, de una educación que incluye la muerte para una vida más consciente.
Wpływ długości łańcucha aminowego i modyfikacji lignosulfonianu wapnia na palność i stabilność termiczną lignosulfonamidów
Authors: Majka Tomasz M.
Published: January 2024

Zbadano wpływ metod otrzymywania chlorku lignosulfonylu (poprzez modyfikację chemiczną lignosulfonianu wapnia) oraz długości łańcucha aminowego na właściwości termiczne i palność lignosulfonamidów. Do modyfikacji lignosulfonianu wapnia zastosowano HCl/HSO3Cl, HCl/PCl5, PCl5 i SOCl2. Zoptymalizowano warunki syntezy lignosulfonamidów. Obiecujące wyniki uzyskano dla N-butylo-N-dodecylo-lignosulfonamidów otrzymanych w reakcji z chlorkiem tionylu i PCl5. Badania potwierdziły znikomą palność i lepszą stabilność termiczną. Otrzymane lignosulfonamidy można stosować jako środki zmniejszające palność biokompozytów.
Numerical Analysis of The Effects of Propeller High Thrust Distribution on Propulsion System Performance
Authors: Sandjaja Irfan Eko , Ariana I Made , Erwandi Erwandi , Indiaryanto Mahendra , Muryadin Muryadin , Adietya Berlian Arswendo
Published: January 2024

High ship propulsion performance is the main goal of designers, propeller is one component of the propulsion system that also affects the performance of the propulsion. In propeller planning, it is necessary to pay attention to the efficiency of the propeller, in addition to reducing ship operating costs and reducing CO2 gas emissions which is one of the requirements for ships built above 2013, the rules have been made into the Energy Efficiency Design Index (EEDI) standard. At this time the propeller that is widely used is the B Series propeller including the propeller design used on mini LNG ships, namely the B6.40 propeller, the B Series propeller has a pitch character from the Wageningen Propeller Series study. Innovations are made to get better propeller efficiency by varying the pitch distribution. The B6.40 propeller of the standard constant pitch type was modified to B6.40 variable pitch (high thrust). Propellers with high thrust have better efficiency especially for non-fast boats. This study was conducted to obtain the best propeller efficiency of a constant pitch propeller and three high thrust propeller units using Numeca's Computational Fluid Dynamics (CFD) numerical self-propulsion test. For validation of the simulation program by comparing the results of the open water test B6.40 Wageningen while resistance validation by comparing the ship resistance model test. The results of the self-propulsion test using Disc Actuator show that the propulsion coefficient (PC) of Modified-2 and Modified-3 high thrust propellers is better when compared to constant pitch. The magnitude of the increase in PC value reaches ± 4% higher than the constant pitch type on the Modified-3 propeller.
Study of the Motion Performance of Marine Current Power Plant Turbine Floaters Due To Ocean Current Forces under Moored Conditions
Authors: Kasharjanto Afian , Erwandi Erwandi , Marta Eko , Irawanto Zulis , Rahuna Daif , SJM Cahyadi
Published: January 2024

Indonesia targets carbon emissions to reach 0% in 2060 and is replaced by optimizing the use of renewable energy sources. Indonesia as an archipelago country, with the potential of thousands of straits can be utilized as a source of ocean currents as a source of electrical energy. The electricity generated is obtained from a turbine rotor that rotates due to the force of the ocean current flow. To support the turbine rotor to move in the sea, a floating support structure is needed. In this study, a trimaran tipe support structure is used where on the left and right sides are installed 2 (pieces) turbine rotors @ 50 kW each, so that the total has a capability of 200 kW (@4 x 50 kW). The novelty of this study is the utilization of Trimaran technology in marine current power generation turbines, which has good stability, low resistance, and a wider deck area rather than monohull structures. A numerical study using Computational Fluid Dynamics (CFD) is used to calculate the program. The results showed that the floater only moves backward and then is pulled forward with a small amplitude of movement in the X-direction, while those on the Y and Z axes are insignificant. The turbine floater can be immediately stabilized and the turbine rotor will rotate due to the force of the ocean current received. Therefore, in this study, the marine current turbine using trimaran type is showing good ability to survive in Indonesian waters even in high current areas.
Design and Manufacture Ballast Management System Model for Reduce Ship Rolling Motion
Authors: Yulianto Totok , Hermawan Yuda Apri , Widjaja Raden Sjarief , Purwanto Dedi Budi , Sulaiman Suardi bin , Rahmi Lista Putri Adinda
Published: January 2024

The safety of maritime transportation is a critical aspect that must be addressed to ensure the well-being of ships and their crew. Frequent ship accidents highlight the need for improvements in the maritime transportation system. One of the causes of ship accidents is ship instability, leading to a loss of balance and even sinking. Ship stability is influenced by both internal and external factors, including human negligence in observing and addressing ship instability. This research aims to design and create a management ballast system model that can be operated automatically as a solution to reduce ship rolling motion. This system enables the ship to maintain balance using automatic side ballast tank management by utilizing two wing tanks on either side of the ship. The ballast management system will be equipped with an accurate ship roll angle detector, the Initial Measurement Unit sensor, a microcontroller, and a series of actuators, including relays as voltage control switches for the pump motor. This research involves simulation and testing/experiments at various angles, namely 5, 10, and 15 degrees. Simulations are conducted under conditions with and without the ballast management system, which is then confirmed through experiments under the same conditions. The expected outcome of this research is that the created ballast management system can be used to reduce ship rolling.
Prispevek k poznavanju favne kačjih pastirjev širšega območja ob reki Dravi med Ptujem in Središčem ob Dravi, severovzhodna Slovenija (Insecta: Odonata)
Authors: Bedjanič Matjaž , Pirnat Alja , Šalamun Ali
Published: January 2024

The results of the work of the odonatological group on the Student Biology Research Camp Središče ob Dravi '97 are presented. Between 24-31 July 1997 a total of 40 dragonfly species was recorded at 97 localities. A review of all known published and unpublished dragonfly records for the investigated area has shown that in the 1992-1998 period 128 localities were investigated and a list of 49 dragonfly species was compiled. Altogether 12 species viz. Lestes virens vestalis (Ramb.), Lestes dryas Kirb., Sympecma fusca (Vander Lind.), Anaciaeschna isosceles (Müll.), Brachytron pratense (Müll.), Gomphus vulgatissimus (L.), Cordulia aenea (L.), Somatochlora flavomaculata (Vander Lind.), Epitheca bimaculata (Charp.), Libellula fulva Müll, Sympetrum fonscolombii (Sél.) and Sympetrum depressiusculum (Sél.) are new for the investigated area. The records of endangered species Ophiogomphus cecilia (Fourc.) in Drava R. and of Leucorrhinia pectoralis (Charp.) in fishponds near Ptuj deserve special interest from the nature conservation point of view. The inclusion of Anaciaeschna isosceles in the Red data list of endangered dragonflies (Odonata) of Slovenia as a vulnerable species is suggested.
Prispevek k poznavanju favne pajkov zahodne Slovenije (Arachnida: Araneae)
Authors: Kuntner Matjaž , Kostanjšek Rok
Published: January 2024

A list of 114 spider species collected between 22 and 31 July 1998 at 13 localities of western Slovenia is given. Three genera and eleven species are new to the fauna of Slovenia. A result of an investigation into spider species richness, the fourth in a series of such experiments in Slovenian forests, indicates that the surveyed forest near the village Črniče in Vipava valley is rather rich in species (85-107 species).
Prispevek k poznavanju favne kačjih pastirjev (Insecta, Odonata) Vipavske doline (zahodna Slovenija)
Authors: Bedjanič Matjaž , Pirnat Alja
Published: January 2024

An annotated list of 32 dragonfly species collected at 27 localities during the 1994-2000 period is given. Three species, viz. Ceriagrion tenellum (de Villers), Anax parthenope (Sélys) and Libellula fulva Müller, are new for the investigated area. The records of Coenagrion ornatum (Sélys), Cercion lindenii (Sélys), Cordulegaster heros Theischinger, Somatochlora flavomaculata (Vander Linden) and Orthetrum c. coerulescens (Fabricius) are also briefly commented as they deserve attention from zoogeographical or nature conservation point of view. A list of 44 dragonfly species, hereto reported from the Vipava valley with its surroundings, is compiled and an odonatological bibliography of the investigated area is presented.
An interesting observation of Eurasian beaver Castor fiber Linnaeus, 1758 in Vidovec Cave (Metlika, Slovenia)
Authors: Kepic Tinkara , Valenčič Meta , Schlamberger Marisa , Trajbarič Tjaša , Popowicz Łukasz , Požrl Annasibila , Jakob Valentina , Žos Klara , Premate Ester
Published: January 2024

The Eurasian beaver is a common rodent which became extinct in Slovenia in the 18th century and reappeared in the 1990’s. This field note describes an encounter with a beaver inside the Vidovec Cave (Metlika, Southeastern Slovenia). Apart from a sign of beaver presence, we also noticed a straw mat presumably used for sleeping. The described observation is probably the first of its kind in Slovenia, although similar observations are known from Croatia as well.
Naravovarstveno vrednotenje Radenskega polja pri Grosupljem na podlagi inventarizacije favne dnevnih metuljev (Lepidoptera: Rhopalocera)
Authors: Rebeušek Franc , Verovnik Rudi
Published: January 2024

Radensko polje is one of the largest areas of extensively used wet meadows in central Slovenia. In 2000, we surveyed the nature conservation value of this area based on distribution of the butterfly fauna. The presence of strong populations of Maculinea alcon, Euphydryas aurinia and Pyrgus armoricanus pointed out a very high conservation value of the surveyed area. Equally important is the presence of locally distributed and highly threatened Carcharodus flocciferus in the northern part of the polje. In view of the evaluation of the endangered species distribution and the number of species recorded at the sites we propose two districts to be given the status of nature reserves, while the entire Radensko polje should be protected as a landscape park.
Ricciocarpos natans (L.) Corda - novoodkrita vrsta jetrenjaka v flori Slovenije
Authors: Babij Valerija , Jogan Nejc
Published: January 2024

In the derelict gravel pit west of the village of Mali Bakovci in Prekmurje (NE Slovenia), Ricciocarpos natans (L.) Corda, a floating liverwort species has been discovered for the first time in the territory of Slovenia. The authors deals with its occurrence and habitat from the nature conservation point of view.
Popis netopirjev v okolici Turjaka
Authors: Presetnik Primož
Published: January 2024

Results of the survey carried out in the vicinity of Turjak (Dolenjska, Slovenia) between July 1999 and January 2001 are presented in the article. At least fifteen species were recorded with the monitoring of potential roost sites, mist netting and the use of heterodyning bat detectors. Pipistrellus pipistrellus was most commonly observed species. Species not frequently found in Slovenia - Rhinolophus euryale, Myotis natterreri, Myotis emarginatus, Pipistrellus pygmaeus and Nyctalus leisleri - were also detected. Findings of Rhinolophus hipposideros nursery roosts are of particular conservation concern.
Floristika na raziskovalnih taborih študentov biologije
Authors: Jogan Nejc
Published: January 2024

The article is a review of floristic results of the first 10 Student Biology Research Camps organized in the territory of Slovenia (1988-1998). The author's view on the botanical and pedagogic objectives of floristic activities carried out within the Research Camps is presented. Methodological development of floristic work is also briefly sketched, while the most important results are presented in a table with the most outstanding records as well as with numerical scores of the mapping of vascular plants. Plans for the floristic work in the future are based on the critical evaluation and discussion of the results presented herewith.
Prispevek k poznavanju favne dnevnih metuljev (Lepidoptera: Rhopalocera) Bele Krajine in vzhodnega dela Kočevske (jugovzhodna Slovenija)
Authors: Verovnik Rudi , Škvarč Andreja
Published: January 2024

The article evaluates the butterfly fauna observed in Bela Krajina and the eastern Kočevska region during 1998-2001. This first report includes 95 species and 69 surveyed localities. The presence of some species with submediterranean distribution in Slovenia (such as Pyronia tithonius, Artogeia mannii and Hipparchia semele) is one of the most striking characteristics of this region. The findings of some rare migrants, e.g. Leptotes pirithous and Lampides boeticus, are also surprising. According to the avaliable data, the latter has not been recorded in Slovenia since 1947. Wet grasslands around the source of the Lahinja are of the highest nature conservation value for the preservation of endangered butterflies.
Prispevek k poznavanju postranic iz skupine Gammaridea (Amphipoda, Gammaridea) slovenske morske obale
Authors: Fišer Cene
Published: January 2024

Among 46 amphipod species found along slovenian sea-coast, Microdeutopus sporadhi, Microdeutopus obtusatus, Gammarus subtypicus and Orchestia stephenseni were recorded for the first time in the northern Adriatic.
Ruderal vegetation of Ukraine. Class Artemisietea vulgaris Lohmeyer et al. in Tx. ex von Rochow 1951
Authors: Dubyna Dmytro , Iemelianova Svitlana , Dziuba Tetiana , Davydov Denys , Davydova Anastasia , Tymoshenko Pavlo
Published: January 2024

The syntaxonomical diversity of the ruderal vegetation of the class Artemisietea vulgaris in the territory of Ukraine has been studied in 2015-2020. It is established that this class includes 58 associations from six alliances (Convolvulo arvensis Agropyrion repentis, Arction lappae, DaucoMelilotion, Onopordion acanthii, Medicagini falcataeDiplotaxion tenuifoliae and Rorippo austriacaeFalcarion vulgaris) and two orders (Agropyretalia intermediorepentis and Onopordetalia acanthii). Based on the results of the DCA-ordination analysis, it was found that the distribution of this type of ruderal vegetation is determined by the concentration of mineral nitrogen, the degree of aeration of the substrate, and the variability of moisture. At the level of highrank syntaxa we didn’t find only vegetation that was specific for subMediterranean and Mediterranean regions as well as for eastern part of European russia. At the same time, we determined specific vegetation on the European scale from the territory of Ukraine. This is Crimean submediterranean xero-mesophytic ruderal vegetation and semiruderal meso-xerophytic vegetation united into two alliances – Medicagini falcataeDiplotaxion tenuifoliae and Rorippo austriacaeFalcarion vulgaris. All associations within these alliances are also specific only for the territory of Crimea, characterized by the specific floristic structure and diagnostic species core, and didn’t find in other regions of Ukraine.
Urban trees of the Nilgiris district, Tamil Nadu, India
Authors: Jeevith Selvaraj , Manjunath Jahadesan
Published: January 2024

The study presents the current status of trees in urban landscapes of the Nilgiris district. In this study, 171 species belonging to 127 genera and 59 families were identified. The angiosperms were represented by 156 species and the gymnosperms by 15 species, identified as potential urban trees, including both wild and ornamental tree species. Among the 171 species, the Fabaceae were the dominant family (19 species), followed by the Myrtaceae (13 species) and Cupressaceae (6 species). Ornamentals accounted for 24% of all the species. A complete list of the recorded urban trees is provided, supplemented with their potential economic value.
Rediscovery of Tulipa sylvestris subsp. primulina (Baker) Maire & Weiller in the Belezma National Park (north-eastern Algeria)
Authors: Maalem Nour El Houda , Belkassam Abdelouahab , Zekri Jihane , Gordo Belkacem
Published: January 2024

In the spring of 2022, botanical surveys carried out in the Belezma National Park allowed the rediscovery of Tulipa sylvestris subsp. primulina, a rare and endemic Algerian-Moroccan species. The provided photographs as well as an accurate description of the plant facilitate its identification. The added map shows its distribution throughout Algeria.
Contribution to the knowledge of Lactuca L. (Asteraceae) in the United Arab Emirates
Authors: Sakkir Sabitha , Güzel Murat Erdem , Al Mansouri Maitha , Soora Pritpal
Published: January 2024

We present new data on the distribution of Lactuca species and review the currently documented data on the genus in the United Arab Emirates (UAE). L. serriola L. is recorded for the first time from Abu Dhabi Emirate. L. dissecta D. Don, L. serriola, and L. orientalis (Boiss.) Boiss. were already reported from other emirates. Detailed morphological descriptions, types, distribution maps, and a key to Lactuca species in the UAE are included. We also highlight the deficiency of the documentation with herbarium specimens in the UAE.