bluuebunny/crossref_metadata_2025 huggingface dataset:
The orthogonal polynomials method using Gegenbauer polynomials to solve mixed integral equations with a Carleman kernel
Authors: Alalyani Ahmad , Abdou M. A. , Basseem M.
Published: June 2024

The orthogonal polynomials approach with Gegenbauer polynomials is an effective tool for analyzing mixed integral equations (MIEs) due to their orthogonality qualities. This article reviewed recent breakthroughs in the use of Gegenbauer polynomials to solve mixed integral problems. Previous authors studied the problem with a continuous kernel that combined both Volterra (V) and Fredholm (F) components; however, in this paper, we focused on a singular Carleman kernel. The kernel of FI was measured with respect to position in the space \begin{document}$ {L}_{2}[-\mathrm{1, 1}], $\end{document} while the kernel of Ⅵ was considered as a function of time in the space \begin{document}$ C[0, T], T < 1 $\end{document}. The existence of a unique solution was discussed in \begin{document}$ {L}_{2}\left[-\mathrm{1, 1}\right]\times C\left[0, T\right] $\end{document} space. The solution and its error stability were both investigated and commented on. Finally, numerical examples were reviewed, and their estimated errors were assessed using Maple (2022) software.
A comprehensive view of the solvability of non-local fractional orders pantograph equation with a fractal-fractional feedback control
Authors: El-Sayed A. M. A. , Hashem H. H. G. , Al-Issa Sh. M.
Published: June 2024

In this article, the solvability of the pantograph equation of fractional orders under a fractal-fractional feedback control was investigated. This investigation was located in the class of all continuous functions. The necessary conditions for the solvability of that problem and the continuous dependence of the solution on some parameters and the control variable were established with the help of some fixed point theorems. Additionally, the Hyers-Ulam stability of the issue was explored. Finally, some specific problems extended to the corresponding problem with integer orders were illustrated. The theoretical results were supported by numerical simulations and comparisons with existing results in the literature.
La figura de Jaume I en les històries de la literatura catalana del segle XIX
Authors: Bernat i Baltrons Francesc
Published: June 2024

Le propos de cet article est d'examiner le processus de construction de la littérature catalane au XIXe siècle à partir de l'analyse du traitement de la figure de Jacques Ier, considéré à cette époque comme le fondateur de cette littérature. On arrive à la conclusion qu'à l'exception de Jaubert de Paçà et Milà i Fontanals, l'image de Jacques Ier dans les études catalanes du XIXe siècle est essentiellement marquée par la réinterprétation dans un sens national catalan faite par François Cambouliu1.
D’un traitement possible des phénomènes psychotiques par le jeu vidéo
Authors: Pierre Julien
Published: June 2024

À partir d’une expérience clinique de plusieurs années auprès d’enfants et d’adolescents, nous avons appris, en les écoutant dans le respect de leur singularité, que leur utilisation des jeux vidéo avait une fonction bien précise pour eux. Loin des idées préconçues, les jeunes patients psychotiques accompagnés nous ont fait entendre de quelle façon leur pratique vidéoludique pouvait être une solution pour traiter leur angoisse ou pour faire barrage à un envahissement hallucinatoire. Dans cet article, l’étude approfondie de deux cas cliniques met en exergue le bénéfice psychique obtenu par une activité vidéoludique accueillie sous transfert. Et nous proposons d’élever celle-ci au rang de suppléance sous certaines conditions spécifiques. De plus, il nous est apparu que la psychopathologie dont ces sujets souffraient était antérieure à leur usage du numérique, jugé excessif par leur entourage. Pour le dire autrement, notre analyse tend à montrer que le déclenchement de leur psychose précède l’augmentation significative de leur temps de jeu.
Covid-19 et faux récits
Authors: Nuvoli Karen
Published: June 2024

L'émergence et le développement de la pandémie de la Covid-19 au début de l'année 2020 ont entraîné dans l'espace public et notamment numérique, la diffusion de nombreux faux récits. L’enjeu de cet article est de comprendre les spécificités des contextes culturels qui peuvent influencer les discours anti-vaccins apparus en ligne pendant la pandémie de la Covid-19 en France et en Italie, y compris dans leur profondeur historique. En fondant le travail sur l’analyse textuelle du contenu des récits anti-vaccins, le but de cette étude est d'analyser l'influence des caractéristiques démographiques et culturelles sur la propagation des fausses informations via les médias sociaux. En termes de résultats, sur le plan comparatif, nous constatons que les récits anti-vaccins français se réfèrent principalement à la mobilisation et à l'organisation pratique de la contestation, alors que le corpus italien reflète plutôt le sentiment de méfiance envers les institutions, la science et les vaccins. L’étude fait également le constat que, malgré la disponibilité des mêmes informations scientifiques dans les deux pays, la désinformation qui alimente les récits anti-vaccins est avant tout le résultat d’une construction sociale et culturelle.
Eficácia dos candlesticks na sinalização dos preços futuros do boi gordo, café arábica e milho
Authors: Oliveira Neto Odilon José de , Vitor Borges de Melo Matheus , Barbosa Josilene da Silva
Published: June 2024

Objetivo: Este estudo teve por objetivo verificar a eficácia dos padrões altistas e baixistas de candlesticks na inflexão e na persistência da inflexão de preços nos mercados futuros do boi gordo, café arábica e milho da Brasil, Bolsa, Balcão (B3).Método: Foi realizada uma pesquisa quantitativa do tipo descritiva. As regras equacionais dos padrões de candlesticks e a estimativa de eficácia desses padrões em inflexão e persistência foram fundamentadas teórica e metodologicamente nos estudos de Marshall et al. (2008), Horton (2009), Lu et al. (2015), Lu e Shiu (2016), Cohen (2020), Foroushany et al. (2020) e Heinz et al. (2021).Originalidade/Relevância: A proposta foi examinar a eficácia da técnica nos mercados futuros agropecuários, visto que esse ambiente, apesar de originário do método (Nison, 1999; Murphy, 1999), é praticamente ignorado no campo dos estudos teórico-empíricos, tendo sido identificadas apenas pesquisas realizadas no âmbito dos mercados de ações, de juros e imobiliário.Resultados: Os resultados permitiram concluir que a maioria dos padrões candlesticks estudados apresentaram-se como eficazes em inflexão de preços (reversão do preço um dia após a ocorrência do padrão) nos mercados estudados. Constatou-se também que os padrões candlesticks são ineficazes em persistência de inflexão de preços, com exceção dos padrões altistas estrela da manhã no mercado futuro do boi gordo e linha de perfuração no mercado do café arábica. A persistência de inflexão de preços desses padrões atingiu o terceiro dia após a ocorrência, o que caracteriza como inflexão persistente moderada.Contribuições teóricas/metodológicas/práticas: Como contribuição prática, sugere-se que os padrões pesquisados sejam utilizados apenas para decisões com horizonte de um dia após sua ocorrência, não sendo indicado manter posição pós-inflexão quando eles não permitem garantir lucratividade. Como contribuição teórica (literatura), o estudo apontou que os padrões candlesticks correspondentes inversos altistas e baixistas não apresentam diferença em eficácia.
Disclosure e materialidade do ativo intangível na value relevance do mercado acionário brasileiro
Authors: Sousa Anderson Rafael Costa , Pacheco Juliane , Rover Suliani
Published: June 2024

Objetivo: Investigar o nível de disclosure dos ativos intangíveis e a inferência junto à materialidade do ativo intangível na value relevance de sociedades de capital aberto brasileiras listadas no Índice Brasil Amplo (IBrA);Método: Utilizando uma amostra de 127 companhias com intangível superior a zero, listadas no IBrA, realizou-se um checklist composto por 14 itens, com base no CPC 04 R1 Ativo Intangível (2010) durante o período de 2014 a 2019. Para a value relevance utilizou-se uma regressão com dados em painel pelo modelo de efeitos aleatórios conforme o modelo de Ohlson (1995) adaptado por Collins et al. (1997).Originalidade/Relevância: Preenche a lacuna sobre a relevância da materialidade dos ativos intangíveis para o mercado acionário, sua interação com o nível de disclosure e divisão dos níveis em quartis para melhor análise e contribuição.Resultados: O nível de disclosure do intangível (NINT) médio foi de 77%. Quanto ao poder explicativo das variáveis exploradas, foi de 31,31%, sendo que a variável NINT está negativamente relacionada com o valor de mercado. Quando segregada em quartil superior e inferior, observa-se que o coeficiente é positivo e negativo respectivamente. O coeficiente da materialidade do intangível foi positivo, indicando que os intangíveis são relevantes. Quando feita a interação com o NINT, indicou que o mercado reconhece como informação relevante, mas questiona a materialidade da divulgação.Contribuições teóricas/metodológicas/práticas: A pesquisa contribui para a literatura de value relevance de disclosure do ativo intangível, permitindo entender que são relevantes para o mercado de ações e contribuem para o valor de mercado das empresas brasileiras. Contribui para a sociedade, visto que as empresas podem focar seus esforços para esse tema nas demonstrações. Bem como, colabora com os órgãos reguladores, de modo que os auxilie a reforçar a evidenciação de itens importantes, como o teste de recuperabilidade de ativos intangíveis.
Gerenciamento de risco e efeito contágio: uma análise dos bancos listados na B3 que sofreram processo de aquisição
Authors: Silva Aline Moura Costa da , Otero Meireles Bruna , Fernandes Freire Anna Paola
Published: June 2024

Objetivo: Este trabalho analisa a contribuição em risco das instituições bancárias ao risco do mercado acionário brasileiro, antes e após terem sofrido aquisição.Método: Utilizou-se o modelo CoVaR, desenvolvido por Adrian e Brunnermeier (2016), o qual capta a contribuição marginal de uma determinada instituição para o risco sistêmico geral. Para isso, foram analisados dados diários dos bancos listados na Brasil, Bolsa, Balcão (B3) que sofreram aquisição, no período de 2002 a 2020.Originalidade/Relevância: Dado o importante papel desempenhado pelas instituições financeiras no risco sistêmico, bem como as frequentes operações de aquisição entre elas, torna-se relevante analisar o reflexo dessas operações no risco de um mercado acionário.Resultados: Os resultados indicam que, após o processo de aquisição, houve uma tendência de diminuição da contribuição em risco de cada banco para o risco do mercado acionário brasileiro. Com isso, sugere-se que os bancos apresentaram uma menor volatilidade após o processo de aquisição e, consequentemente, suas ações se tornaram mais líquidas.Contribuições: Considerando o papel desempenhado pelo sistema financeiro, tanto no crescimento econômico quanto na possibilidade de desencadear riscos e possíveis crises sistêmicas, este estudo contribui com a literatura nacional ao analisar os riscos inerentes às atividades das instituições financeiras.
Sensitivity of Stainless Steel Fracture to Triaxiality Factor and Lode Parameter Using Dislocation Density Approach
Authors: Rassoul Yanis , Benabou Lahouari , Ould Ouali Mohand
Published: June 2024

This work is devoted to the analysis of the influence of the triaxiality factor and the Lode parameter on the ductile fracture of a stainless steel tube. A micromechanical-based model incorporating several deformation mechanisms and formulated in the framework of the dislocation density theory is chosen to model the viscoplastic behavior of the 316L stainless steel. After adaptation of the implementation of the model into the finite element code Abaqus 2020 and the calibration of the model parameters with experimental available results, simulations of healthy and notched tubular specimens were carried out. In order to vary the triaxiality and Lode angle, we used specimens of different sizes and notch shapes. The results showed the capacity of the model to reproduce the experimental results of tubular structures. It was found that the strength and ductility of the specimens depend on the Triaxiality Factor and Lode Parameter.
Surface Finish Optimization of Vapor Smoothened PLA Fabricated Parts with Microstructural Analysis
Authors: Alviar Charles Edward L. , Basilia Blessie A.
Published: June 2024

Additive Manufacturing (AM) is a product creation method done layer-by-layer. This process tends to create an unwanted feature known as staircase effect. Vapor smoothing is considered a viable solution for polymer-based AM products to minimized surface roughness. Research literature concerning vapor smoothing of polylactic acid (PLA) parts generally limited unlike its ABS counterpart. This research aims to identify optimum level for both chamber temperature and exposure time of the AM product. Two methods were used to compare their outputs with one another. The two methods are surface roughness tester and optical microscopy. The results provided an impressive 50.88 and 62.72% improvement based on the two test methods. Lastly, a contour-plot was generated to provide future users a guideline if they want to conduct research similar study.
Thermostamping Simulation of a Carbon Fiber-Reinforced PAEK Composite Stringer
Authors: Haris Andi , Cheah Yi Wen , Teo Wern Sze
Published: June 2024

The results of thermostamping simulation of a composite stringer demonstrator made from a high temperature plastic (PAEK) reinforced with 5-Harness Satin (5HS) weave carbon fiber fabric are presented in this paper. The effects of four different gripping configurations (A, B, C and D) and four different laminate layups ([0f]4 cross-ply, [45f]4 angle-ply, [0f/45f]s and [45f/0f]s quasi-isotropic layups) on the quality of the formed part are computationally investigated using AniForm™ software. The gripping configuration A consists of 22 pieces of extension spring with stiffness of 0.17 N/mm and pretension of 5.50 N. The configuration B consists of 8 pieces of extension spring with stiffness of 0.51 N/mm and pretension of 16.25 N. The configuration C uses the same type of spring as used in the configuration B, only its quantity is more (12 pieces). The configuration D is similar to the configuration C but they are different in the spring arrangement. Our simulation results show that regardless of the gripping configuration the quasi-isotropic layups demonstrate the lowest laminate sag while the angle-ply layup demonstrates the highest shear angle and thickness. For the slip-path length, it strongly depends on the layup and gripping configuration. As conclusion, the optimal choices for the thermoformed composite stringer demonstrator are cross-ply layup with configuration C, angle-ply layup and [45f/0f]s quasi-isotropic layup with configuration D, and [0f/45f]s quasi-isotropic layup with configuration B.
Investigation of the Adsorption Characteristics of Theobroma cacao Peels Biomass Inhibitors on Mild Steel Surfaces by EIS, SEM-EDX, XPS, and Chemical Studies in Acidic Media
Authors: Yetri Yuli , Gunawarman Gunawarman , Rakiman Rakiman , Rivai Adri Yanti , Nur Ichlas
Published: June 2024

Investigators used Potentiodynamic Polarization, Spectroscopy of Electrochemical Impedance (EIS), Scanning Electron Microscope-Energy Dispersive X-Ray (SEM-EDX), Spectroscopy of X-Ray Photoelectron (XPS), and chemical studies to examine the inhibitory effect of Theobroma cacao peel extract (TCPE) on mild steel (MS) corrosion in 1.5M HCl. Studies of electrochemical data indicate that, TCPE reduces MS corrosion through adsorption using a mixed inhibition mechanism. As the inhibitor concentration grows and temperatures lowers, TCPE becomes more protective. The adsorption of TCPE molecules on the MS surface is controlled by the Langmuir adsorption isotherm. To determine the correlation between the hampers effect and the structure of TCPE molecular, a number of chemical characteristics were computed.
Investigation of the Mechanical Properties of Urethane Dimethacrylate (UDMA) Reinforced with Abaca Cellulose for Vat Photopolymerization (VP)
Authors: Dela Cruz Chelsea A. , Medenilla Jose Angelo M. , Basilia Blessie A.
Published: June 2024

Additive manufacturing (AM) was developed to cope with the demand for manufacturing goods. It ensures faster production and high waste reduction but is limited by material compatibility. One of the technologies in AM is Vat Photopolymerization (VP). It is a type of AM that uses photopolymer resin and UV light for polymerization. Various materials had been studied to improve the mechanical properties of the photopolymer resin by adding additives from indigenous sources. This study extracted cellulose from abaca and modified it by cross-linking it with Polyethylene Glycol (PEG). The cross-linked abaca cellulose (CAC) was investigated as an additive in the photopolymer resin with fiber loading of 3 wt.%, 6 wt.% and 9 wt.%. Fourier Transform-Infrared Spectroscopy (FT-IR) shows that the presence of the oxygenated functional groups in resin and CAC can interact to form hydrogen bonds. Thermogravimetric Analysis (TGA) showed better thermal stability with the addition of 9 wt.% CAC compared to pure UDMA. Furthermore, the glass transition (Tg) decreased with the addition of CAC by 8.29 °C. The Tensile Test showed that 3 wt.% of CAC resulted in the highest value for tensile strength and toughness with an 11.27% increase for tensile strength and 133.46% for toughness. The elastic modulus increased with fiber loadings and had increased by 48.51% at 9 wt.% of CAC. Based on the results, the effect of adding abaca cellulose into a UDMA based resin had improved the thermal stability and mechanical properties of the composites.
Comparative Study between Thermo-Mechanical and Inherent Strain Method in Analysing Part Distortion of WAAM Component Using Numerical Simulation
Authors: Prajadhiana Keval Priapratama , Mat M.F. , Manurung Yupiter Harangan Prasada , Adenan M.S. , Taufek Thoufeili , Ishak M.A. , Mohammed M.A , Ginta Turnad Lenggo , Armansyah Armansyah
Published: June 2024

This research investigates the part distortion of WAAM process by utilizing advanced numerical simulation. The WAAM component is made of a stainless steel SS316L deposition layer that is deposited on top of a mild steel S235 substrate plate to create a hollow, rectangular structure with a thin wall. In this study, Goldak's double-ellipsoid was used as the heat source model, and an isotropic hardening rule based on the von-Mises yield criterion was used. MSC Marc/Mentat is utilized as the numerical FE software for this research. The commercial S235 mild steel for substrate and the evolved SS316L was scanned by JMATPRO as the input for material modelling. In order to reduce the computational time of the numerical WAAM process, an Inherent Strain Method (ISM) is proposed for a numerical WAAM simulation in Marc. There are two ISM methods proposed for this study, the first is the analytical ISM based on the calculations and second is the calibration-based ISM using Virtual Calibration Test (VCT). On obtaining the ISM value based on the result of VCT, the mathematical software MATLAB were utilized to find the optimized ISM value. This research has a final purpose to determine which numerical simulation model that has a clear advantage on predicting the component deformation result in term of result accuracy as well as computational time. The expected final outcome of this study is the implementation of ISM method on numerical WAAM simulation is able to predict a part distortion in an accurate manner similar to TMM model with significantly faster computational time. Keywords: WAAM, Part Distortion, Numerical Simulation, Inherent Strain Method, Computational Time.
Synthesis of cellulose nano fiber from palmyrah fruit fiber and its applicability as a reinforcement agent on starch based biodegradable film
Authors: Akshana R. S. , Sobini N. , Kirushanthi T. , Srivijeindran S.
Published: June 2024

The global trend in packaging is shifting towards environmentally friendly, natural materials that decompose easily. Among the bio-based packaging materials, starch is a renewable, biodegradable, bio-compatible, and easily accessible source. However, starch-based biodegradable films depict weak mechanical properties compared with synthetic polymers. This problem can be solved by incorporating reinforcement fillers into the starch matrix. Palmyrah fruit (Borassus flabellifer L.) waste can be a good source to obtain fillers due to its high cellulose content. The aim of the study was to investigate the reinforcement of starch-based biodegradable films with the incorporation of pure cellulose nanofiber (CNF) obtained from palmyrah fruit fiber (PFF). Chemical treatments such as alkaline treatment (4% NaOH), bleaching [1% Ca(OCl)2], and acid hydrolysis (10 moldm-3 H2SO4) were done successively to obtain pure CNF from PFF. CNF was characterized using FTIR and particle size distribution (PSD) was analyzed by granulometry. The yield of CNF from PFF was 37.890±0.008 %. The results of FTIR depicted CNF was synthesized successfully. Five different biodegradable films were prepared by varying the amount of palmyrah tuber starch (4.5-2.5 w/w %) and CNF (0.0-2.0 w/w %) while the amount of glycerin (1.5 w/w %) and gelatin (1 w/w %) were kept constant. PSD results revealed that nano-sized CNF (10-100 nm) was synthesized successfully. The optimized film was selected based on the tensile strength and low water vapor transmission rate. Optimized film formulation, with palmyra tuber starch (3 w/w %) and CNF (1.5 w/w %) showed desirable physical, mechanical and optical properties, including the thickness, moisture content, water vapor transmission rate, water uptake, transparency at 600 nm, water activity, water solubility and tensile strength of 0.192±0.004 mm, 11.07±0.04 %, 3.870±0.005 g/m2.day, 22.34±0.05 %, 3.97±0.01 %, 0.440±0.001, 51.68±0.140 % and 9.55 MPa respectively. All films showed excellent soil biodegradability within two weeks. In conclusion, palmyra fruit CNF can be effectively used to reinforce starch-based biodegradable packaging films.
Global Mpox spread due to increased air travel
Authors: Qiao Huijie , Paansri Paanwaris , Escobar Luis E.
Published: June 2024

Mpox is an emerging, infectious disease that has caused outbreaks in at least 91 countries from May to August 2022. We assessed the link between international air travel patterns and Mpox transmission risk, and the relationship between the translocation of Mpox and human mobility dynamics after travel restrictions due to the COVID-19 pandemic had been lifted. Our three novel observations were that: i) more people traveled internationally after the removal of travel restrictions in the summer of 2022 compared to pre-pandemic levels; ii) countries with a high concentration of global air travel have the most recorded Mpox cases; and iii) Mpox transmission includes a number of previously nonendemic regions. These results suggest that international airports should be a primary location for monitoring the risk of emerging communicable diseases. Findings highlight the need for global collaboration concerning proactive measures emphasizing realtime surveillance.
Rhodes Fruit Farms: A small beginning in the Paarl Valley 1897-1910
Authors: Aucamp Chris
Published: June 2024

Rhodes Fruit Farms, situated in the Great Drakenstein Valley, was established in 1897 by Harry Pickstone with the financial aid of Cecil John Rhodes. Pickstone saw the potential for the large scale production and export of deciduous fruit at the Cape. Under his guidance a company was floated. Various farms purchased and the fruit industry placed on a scientific and profitable foundation. From a humble beginning Rhodes Fruit Farms made an important contribution to the advancement and development of the fresh fruit industry in South Africa.
When Johannesburg and I were young
Authors: Cronje Jan
Published: June 2024

No abstract available.
Bathing habits in Victorian East London
Authors: Tankard Keith
Published: June 2024

Swimming was not only a sport for the residents of Victorian East London, but due to periodic water shortages, sometimes a necessity. From 1873 the town council promulgated measures to control swimming hours, apparel and especially separate swimming areas for men and women. These regulations were too conservative and constraining for the taste of the residents of this coastal town and for several decades they were the subject of legal battles, or were simply ignored. The dispute was finally settled in 1906 when mixed bathing was permitted with the proviso that both men and women should wear suitable swimming costumes.
'A vague vision of a legion of Mephistopheles': The attitudes of four women to class and race on the Eastern Cape Frontier, 1843-1878
Authors: Vernon Gillian
Published: June 2024

This article evaluates the class and racial attitudes of four European women who lived on the Eastern Cape frontier between 1843 and 1878. Their cultural baggage included a rigid sense of class structures which defined relationships between people and especially that of master and servant. The women came from the middle class and there is no indication that they were prepared to accept the more egalitarian conditions which they experienced on the frontier. Their racial prejudices were bound up with their class ideologies and religious beliefs. Hence they retained a sense of European superiority and bias against the "heathen", but their contact with the indigenous people did modify their views slightly.
We have done with pleading the women's 1913 anti-pass campaign
Authors: Prinsloo Dione
Published: June 2024

No abstract available.
Women of Phokeng: consciousness, life strategy, and migrancy in South Africa, 1900-1983
Authors: Lubbe Henriëtte J.
Published: June 2024

No abstract available.
Assessment of Vitamin D Status, its Determinants and Relationship with Bone Health in Indian Children and Young Adults with Type-1 Diabetes
Authors: Mondkar Shruti , Oza Chirantap , Dange Nimisha , Soren Poonam , Kajale Neha , Kardile Mayur , Yewale Sushil , Gondhalekar Ketan , Khadilkar Vaman , Khadilkar Anuradha
Published: June 2024

Introduction:

Recent evidence suggests that vitamin D deficiency and type-1 diabetes (T1D) have a bidirectional cause–effect relationship. The objective of this study is to estimate the prevalence and determinants of vitamin D deficiency in Indian children and young adults with T1D and assess the relationship between vitamin D status and their bone health.

Methods:

It was a single-centre, cross-sectional study. Inclusion: Children, young adults aged 5–25 years with T1D duration >1 year. Exclusion: Already on vitamin D supplementation, conditions affecting bone health. Data collected: Demographic, clinical, anthropometry, biochemical, body composition, DXA, pQCT measurements.

Results:

A total of 453 participants (251 girls) with T1D, mean age = 13.5 ± 4.0 years, disease duration = 5.7 ± 3.9 years. Mean 25-hydroxy vitamin D concentration of study group was 20.4 ± 11.3 ng/mL. One hundred and eleven (24.5%) were deficient in 25-hydroxy vitamin D, 141 (31.1%) were insufficient and 201 (44.4%) were sufficient. 25-Hydroxy vitamin D concentrations had significant negative correlation with BMI Z-score, diastolic blood pressure, fat percentage Z-score and positive correlation with physical activity, haemoglobin concentrations and trabecular density (P < 0.05). Risk of developing vitamin D deficiency and insufficiency was significantly lower in subjects with good/intermediate glycaemic control versus poor control (P = 0.008). Higher diastolic blood pressure and female gender were significant risk factors for development of vitamin D deficiency.

Conclusion:

Vitamin D deficiency has high prevalence in children and youth with T1D and has detrimental effect on bone geometry of these subjects. Weight reduction increased outdoor physical activity, good glycemic control are some modifiable factors that may prove useful in preventing vitamin D deficiency.
Impact of adding 3% titanium oxide nanoparticles in different denture base materials on some of the biological, physical, and mechanical properties properties: In-vitro study
Authors: Dehis Wessam M. , Elawady Ayman F. , ElHotieby Menatallah M. , Eissa Sherihan M.
Published: June 2024

Background/aim

Acrylic resin denture base material with all its varieties and curing techniques enormously influence their physical, biological, and mechanical properties. This study designed to evaluate and compare the impact of acrylic resin reinforcement with titanium oxide nanoparticles (TiO2NP) on physical, biological, and mechanical criteria of two dissimilar denture base materials.

Materials and methods

This study was constructed on 120 specimens of 2 different types of acrylic resin denture base materials. The specimens were divided equally into 2 groups (60 each), group I (heat cured acrylic resin) and group II (microwave cured acrylic resin). Each group was additionally divided into two subgroups (each 30). Subgroup A as control, while subgroup B was modified with 3% TiO2NP. Biological evaluation was performed on Enterococcus faecalis by using antimicrobial assay by agar diffusion test color stability via employing spectrophotometer, and the Modulus of elasticity through universal testing machine.

Results

Regarding the results of biological assessment, groups IA and IIA (control groups) revealed no inhibitory zone, while groups modified with 3% TiO2NP group IIB demonstrated significantly higher (P < 0.05) inhibitory zone when compared with group IB. Concerning color stability, Regarding color stability, Group IA and IIA (control groups) demonstrated the highest color changes, while Group IB and IIB(modified groups) demonstrated the lowest color changes. In modulus of elasticity, groups IB and IIB were significantly higher (P<0.05) than groups IIA and IIB.

Conclusion

Adding 3% TiO2NP to heat and microwave cured resins induced antibacterial characteristics against E. faecalis. Besides improvement of the evaluated mechanical (modulus of elasticity) and color stability properties.
Effect of dates on blood glucose and lipid profile among patients with type 2 diabetes
Authors: Mirghani Hyder Osman
Published: June 2024

Poor fruit and vegetable consumption is one of the 10 major risk factors for mortality. There is a misconception regarding the consumption of dates among patients with diabetes. This manuscript assessed the effects of date consumption on fasting and postprandial blood glucose, glycated hemoglobin, total cholesterol, triglycerides, low-density lipoproteins, high-density lipoproteins, and microbial markers. Four literature databases were searched for relevant articles. Of the 595 studies retrieved, 24 assessed the effects of dates on glycemic control and lipids. Overall, the evidence suggests that dates have a lowering effect on blood glucose. Dates reduce total cholesterol and triglyceride levels and increase high-density lipoprotein levels. Dates also promote the abundance of beneficial gut microbiota. Therefore, patients with diabetes and dyslipidemia can consume dates to reduce their blood glucose, cholesterol, and triglycerides.
Metformin-associated lactic acidosis: A mini review of pathophysiology, diagnosis and management in critically ill patients
Authors: See Kay Choong
Published: June 2024

Metformin is a common diabetes drug that may reduce lactate clearance by inhibiting mitochondrial oxidative phosphorylation, leading to metformin-associated lactic acidosis (MALA). As diabetes mellitus is a common chronic metabolic condition found in critically ill patients, pre-existing metformin use can often be found in critically ill patients admitted to the intensive care unit or the high dependency unit. The aim of this narrative mini review is therefore to update clinicians about MALA, and to provide a practical approach to its diagnosis and treatment. MALA in critically ill patients may be suspected in a patient who has received metformin and who has a high anion gap metabolic acidosis, and confirmed when lactate exceeds 5 mmol/L. Risk factors include those that reduce renal elimination of metformin (renal impairment from any cause, histamine-2 receptor antagonists, ribociclib) and excessive alcohol consumption (as ethanol oxidation consumes nicotinamide adenine dinucleotides that are also required for lactate metabolism). Treatment of MALA involves immediate cessation of metformin, supportive management, treating other concurrent causes of lactic acidosis like sepsis, and treating any coexisting diabetic ketoacidosis. Severe MALA requires extracorporeal removal of metformin with either intermittent hemodialysis or continuous kidney replacement therapy. The optimal time to restart metformin has not been well-studied. It is nonetheless reasonable to first ensure that lactic acidosis has resolved, and then recheck the kidney function post-recovery from critical illness, ensuring that the estimated glomerular filtration rate is 30 mL/min/1.73 m2 or better before restarting metformin.
Developing and validating a predictive model of delivering large-for-gestational-age infants among women with gestational diabetes mellitus
Authors: Zhu Yi-Tian , Xiang Lan-Lan , Chen Ya-Jun , Zhong Tian-Ying , Wang Jun-Jun , Zeng Yu
Published: June 2024

BACKGROUND

The birth of large-for-gestational-age (LGA) infants is associated with many short-term adverse pregnancy outcomes. It has been observed that the proportion of LGA infants born to pregnant women with gestational diabetes mellitus (GDM) is significantly higher than that born to healthy pregnant women. However, traditional methods for the diagnosis of LGA have limitations. Therefore, this study aims to establish a predictive model that can effectively identify women with GDM who are at risk of delivering LGA infants.

AIM

To develop and validate a nomogram prediction model of delivering LGA infants among pregnant women with GDM, and provide strategies for the effective prevention and timely intervention of LGA.

METHODS

The multivariable prediction model was developed by carrying out the following steps. First, the variables that were associated with LGA risk in pregnant women with GDM were screened by univariate analyses, for which the P value was < 0.10. Subsequently, Least Absolute Shrinkage and Selection Operator regression was fit using ten cross-validations, and the optimal combination factors were selected by choosing lambda 1se as the criterion. The final predictors were determined by multiple backward stepwise logistic regression analysis, in which only the independent variables were associated with LGA risk, with a P value < 0.05. Finally, a risk prediction model was established and subsequently evaluated by using area under the receiver operating characteristic curve, calibration curve and decision curve analyses.

RESULTS

After using a multistep screening method, we establish a predictive model. Several risk factors for delivering an LGA infant were identified (P < 0.01), including weight gain during pregnancy, parity, triglyceride-glucose index, free tetraiodothyronine level, abdominal circumference, alanine transaminase-aspartate aminotransferase ratio and weight at 24 gestational weeks. The nomogram’s prediction ability was supported by the area under the curve (0.703, 0.709, and 0.699 for the training cohort, validation cohort, and test cohort, respectively). The calibration curves of the three cohorts displayed good agreement. The decision curve showed that the use of the 10%-60% threshold for identifying pregnant women with GDM who are at risk of delivering an LGA infant would result in a positive net benefit.

CONCLUSION

Our nomogram incorporated easily accessible risk factors, facilitating individualized prediction of pregnant women with GDM who are likely to deliver an LGA infant.
A CLINICAL STUDY ON THE SAMUDRASAUVARCHALADI VARTI IN THE MANAGEMENT OF NADIVRANA W.S.R. PILONIDAL SINUS
Authors: Singh Manpreet , Dixit Mahesh , Meena Harimohan , Kumar Soni Rajesh
Published: June 2024

The term Nadi implies the tube-like structures, and the Nadivrana is treated as a sinus. Sinus is a Latin word which means tract. In Ayurveda, this track is called Gati. That entails a lot of pus invasion and a lot of borrow-ing. Nadivrana, or sinus, is classified as a non-healthy ulcer. The sinus is defined as a blind tract that runs from the surface into the tissue and is lined by either granulation tissue or epithelium. The presence of a foreign body (hair follicles, suturing materials, etc.), non-dependent drainage, and infection all contribute to its persistence. Suppose a person ignores an abscess or swelling in its fully suppurated stage, whether doubtful of its condition-ing or even if they neglect to open a fully suppurated abscess. In that case, the pus burrows into the affected part. An abscess or swelling is named Gati Vrana because of the heavy infiltration of pus, and Nadivrana be-cause of many recesses or cavities in its interior. There are five varieties of Nadivrana (sinus): Vata-ja,Pittaja,Kaphaja,Tridoshaja, and Shalyaja. Because of its non-healing quality, Nadivrana is classified as dustha vrana in classical works. The pilonidal sinus is a small tract extending from a skin opening in or near the cleft.[1] Because of its non-healing quality Nadivrana is classifiedas dustha vrana in classical works. The pi-lonidal sinus is a small tract that leads from a skin opening in or near the cleft at the top of the buttocks and con-tains hairs (Pilo-prefix meaning hair-Oxford dictionary). Pilonidal sinus was most common throughout the third decade. It affects men more than women, with a roughly 6:1 male-to-female ratio. There is no therapeutic thera-py for Nadivrana in modern science [2].
AYURVEDA FOR YOGA AND MENTAL HEALTH
Authors: Sharma Shubham
Published: June 2024

Life constitutes of mind, body and soul. The mind-body connection is very important, and Mind is called as the
supreme controller of all the sense organs. Physical imbalances can disturb the mental state while mental illness
leads to disruptions of body functions. The need for effective population mental health promotion approaches is
urgent as mental health concerns are escalating globally. Successfully alleviating stress has the potential to promote wellbeing and prevent illness. Worldwide Ayurveda and Yoga is gaining popularity as an accessible, acceptable and safe remedial practice for mind and body. Ayurveda stands by its definition of health, in which a
healthy mind plays an important role. Yoga’s added benefit is that it improves physical and mental fitness and
encourages self-reliance. In this brief article we discuss the role of Ayurveda and Yoga as a form of mental health
promotion and prevention of mental disorders.
A CASE OF SENSORY ATAXIA AND ITS MANAGEMENT THROUGH
PANCHAKARMA
Authors: Pranesh P , S Desai Ananta
Published: June 2024

Sensory ataxia is both a symptom and a sign in neurology. It is a form of ataxia (loss of coordination) caused not by cerebellar dysfunction but by loss of sensory input into the control of movement. Sensory ataxia is dis-tinguished from cerebellar ataxia by the presence of near-normal coordination when the patient visually observes the movement but marked worsening of coordination when the eyes are shut, indicating a positive Romberg's sign. Sensory ataxia also lacks the associated features of cerebellar ataxia, such as pendular tendon reflexes, scanning dysarthria, nystagmus and broken pursuit eye movements. Sensory ataxia can manifest in sensory large fibre peripheral neuropathies and conditions causing dysfunction of the spinal cord's dorsal columns due to vari-ous disorders: infectious, auto-immune, metabolic, toxic, vascular and hereditary diseases. There is no direct correlation to sensory ataxia in Ayurvedic classics; based on pathology, it is nearer to Kaphavrita vyana vata.
Objectives--By considering sensory ataxia as Kaphavrita vyana vata, the present study has attempted to evalu-ate the efficiency of Ayurvedic formulation in the conservative management of sensory ataxia. Met hod-A case of sensory ataxia, initially patient was treated with Dashamoola kaya seka followed by Shastika shalipindasweda, followed by Balavarnakara niruha basti1 and Anuvasana basti with ksheera bala taila as per Kala Basti schedule (modified), followed by Shaman aushadhi. Result-Patient was observed for symptomatic improvement based on the questionnaire over graded signs & symptoms, also observed for clinical examination before & after treatment. Conclusion: The study has shown that conservative management of sensory ataxia can be managed effectively through the Ayurvedic principle and improve quality of life.
AYURVEDIC MANAGEMENT OF BONE FRACTURE IN SMALLER BONES: A SINGLE CASE STUDY
Authors: Damodar Vishnu , Kulkarni B G , T V Varun , Thankachan Shyny
Published: June 2024

Bone fractures or broken bones are most common in day-to-day practice and can affect anyone at any age. It can
be seen as a complete or partial break in the bone. The causes of bone fractures include trauma, over-use and diseases or deficiencies that weaken the bone. Commonly, people will go to a modern hospital after a trauma or hurt,
in an emergency, or to manage pain. An X-ray investigation can quickly rule out a bone fracture. Depending on
the fracture severity or presentation, there are various types of bone fractures: compound, spiral, comminute,
transverse, etc. In our holistic science, can easily manage simple fractures in our OPDs. I got one patient came in
clinic on October 2023 with trauma from a Road Traffic Accident. It was a slight fall from the bike on his own,
and he was not that much bleeding or injured, but the right-hand ring finger started swelling with pain. As his sister is an Ayurveda medical student and the patient is having belief in Ayurveda, he came to OPD for the management. He consulted a modern hospital, took an X-ray; diagnosed it as a fracture, and he came to us. I managed the
case of a simple fracture with Ayurveda medicines.
Financial Institution's Role in Supply Chain Risk Management: Strengthening Resilience and Mitigating Financial Risks
Authors: Sunitha R
Published: June 2024

One of the most important problems that multinational organizations are dealing with in risk-oriented supply chains is efficiency assessment and choosing the best low-risk financial institution for financial assistance. We provide an integrated approach for evaluating the unpredictable, dangerous, and fragile arrangement of the financial sector, which directly affects the supply chain network's processing stages. This model is supported by fuzzy-soft tools. The real economy is currently under pressure from both the domestic economic crisis and the decline in international commerce. President Xi Jinping has often suggested stepping up initiatives to assist the real economy's high-quality growth. In this regard, the development of the model for supply chain financing offers a fresh approach to resolving the funding issues faced by businesses. To tackle the financial issues facing the marketplace, we should use the chain of custody finance model, but we also need to thoroughly understand the risks associated with it and how to manage them. False trade orders and insufficient control over core businesses are difficulties that the present logistics finance risk management must deal with. The World Wide Web, big data, and block chain technologies are all blooming, opening new avenues for risk management in block chain finance. As a result, the goal of this essay is to examine the features of supply chain finance based on the technology of block chain, examine the risks associated with financing supply chains, and debate how to use block chain innovation for supply chain banking risk management.[4] Risk Financing: To assist organizations in transferring or reducing supply chain risks, financial institutions offer risk financing solutions including insurance & alternative risk transfer methods. The creation of novel risk financing products, evaluation of their performance, and comprehension of the effects on the resilience of supply chains can all be the subject of research. Financial institutions provide supply chain financing options like factoring, discounted invoices, and supply link finance programmed that help businesses manage their working capital, improve cash flow, and lower the risk of supplier failure to pay or insolvency. The effects of different financing choices on supplier relationships, supply chain stability, and overall risk reduction may be studied. Financial institutions collaborate with businesses to detect and classify different supply chain risks. An extensive investigation of the supply network environment, encompassing suppliers, transportation, logistics, and market dynamics, is required in this phase. Data gathering techniques used may include questionnaires, interviews, & site visits. In the above rank one is axis, and the last one is Punjab national bank. Financial Institution in Supply Chain Risk Management In the above rank one is axis, and the last one is Punjab national bank.
Alleviating Extreme Poverty Through Community Empowerment Programs
Authors: Didi La
Published: June 2024

Extreme poverty remains a persistent issue in Indonesia, particularly in Central Buton Regency, despite numerous government initiatives. Efforts to alleviate poverty have yet to yield substantial results, with significant disparities between rural and urban areas. This study aims to assess the impact of community empowerment programs on reducing extreme poverty in Central Buton Regency, Indonesia. Using a qualitative descriptive design, data were collected through interviews, observations, and documentation involving individuals living in extreme poverty and government officials managing poverty alleviation programs. The data were analyzed using descriptive statistics and thematic analysis, with findings validated through data source triangulation. The results indicate that community empowerment programs play a crucial role in reducing extreme poverty, though there are discrepancies between expected and actual outcomes. Further research is needed to explore the long-term impact of these programs on poverty reduction in the region.
Kejahatan Transnasional Perdagangan Orang
Authors: Radhatyas Kusumaningrum Cantry , Wibawa Iskandar
Published: June 2024

Kejahatan-kejahatan yang dianggap sepele dan kecil tanpa ada batasan yang jelas dan penanggulangan yang pasti akan semakin out of control atau tidak terkendali. Penelitian ini bertujuan untuk mengetahui implementasi dan dampak perjanjian internasional mengenai kejahatan transnasional, khususnya perdagangan orang, serta memahami pengaturan terkait kejahatan perdagangan orang di Amerika Serikat dan Indonesia. Penelitian ini merupakan penelitian doktrinal atau normatif, metode pengumpulan data dalam penelitian ini terbagi menjadi data primer dan sekunder, namun fokusnya hanya pada data sekunder yang mencakup sumber bahan hukum. Hasil Penelitian ini juga menyoroti upaya yang dilakukan oleh pemerintah Indonesia melalui legislasi dan kerjasama internasional, termasuk menjadi anggota Interpol, untuk memberantas kejahatan ini. Namun, meskipun berbagai upaya telah dilakukan, termasuk penempatan Atase Kepolisian di beberapa negara dan perjanjian ekstradisi serta bantuan hukum timbal balik, kasus perdagangan manusia di Indonesia terus meningkat. Penelitian ini menyimpulkan bahwa diperlukan peran aktif semua pihak terkait dan langkah-langkah yang lebih efektif untuk mengatasi masalah ini. Pemberantasan kemiskinan dan peningkatan ketahanan manusia Indonesia dianggap sebagai langkah fundamental untuk memerangi perdagangan manusia yang kian terorganisir dan sulit diidentifikasi.