Relationship Between School Type and Quality of Neighborhood with Children’s Social Vulnerability

The purpose of this quantitative research was to explore the relationship between two potential risk factors, children’s type of school (e.g., public, private, charter, or magnet) and quality of neighborhood, with social vulnerability. Data were collected through an online survey from January through March 2024. Hierarchical multiple linear regression conducted in SPSS demonstrated that four out of seven quality of neighborhood attributes were significant predictors of social vulnerability (p \u3c .05); as the neighborhood conditions of vehicular traffic, teenagers present in the street, graffiti, and vandalism increased, levels of social vulnerability also increased. Factor analysis confirmed the strong reliability and internal structure of the instrument used to collect the data. No significance was found for children’s type of school, but more studies are needed to determine if research on this variable can help inform decisions about school-choice policies. This study addressed the need for knowledge about contextual environmental factors and children’s well-being. This is imperative, as social vulnerability is an emerging psychological construct in developmental research that is correlated with all aspects of social interactions, as it negatively interferes with the process of forming social bonds with others. Building alignment between the goals of schools, government agencies, and communities is essential, so that parents have access to the support and resources needed to promote healthy development in children. Thus, the empirical findings from this study will help promote awareness of social vulnerability and help children receive the empathy, dignity, and respect that they deserve

The enchanted storyteller: John Barth and the magic of Scheherazade

During the fifties he was considered to be an existentialist, and absurdist and later a Black Humorist, yet, John Barth proved that he would never subscribe to any specific theory and would make his own world of/about fiction by himself. A traditional postmodernist as some of the critics calls him; he was obsessed with Scheherazade the narrator of the Thousand and one Nights and her art of storytelling. This essay aims to depict Barth's employment of the frame narrative and embedding structure which are the main devices of Scheherazade's mystifying narratives. Revealing the architectonic structure of his writing, we would demonstrate how traditional technique can bridge postmodernist aesthetics to recreate and replenish the exhausted materials in writings

GRUNDY DOMINATION SEQUENCES IN GENERALIZED CORONA PRODUCTS OF GRAPHS

For a graph $G=(V,E)$, a sequence $S=(v_1, v_2, \cdots, v_k)$ of distinct vertices of $G$ is called \emph{dominating sequence} if $N_G[v_i]\setminus \bigcup_{j=1}^{i-1}N[v_j]\neq\varnothing$ and is called \emph{total dominating sequence} if $N_G(v_i)\setminus \bigcup_{j=1}^{i-1}N(v_j)\neq\varnothing$ for each $2\leq i\leq k$. The maximum length of (total) dominating sequence is denoted by ($\gamma_{gr}^t)\gamma_{gr}(G)$. In this paper we compute (total) dominating sequence numbers for generalized corona products of graphs

Optimised release of tetracycline hydrochloride from core-sheath fibres produced by pressurised gyration

In recent years, there has been a surge of interest in the design, processing, and use of core-sheath fibres, especially in the production of wound healing bandages and drug delivery. In this research, a novel core-sheath pressurised gyration technique was utilised to create antibacterial fibre patches (tetracycline hydrochloride, TEHCL) using polyvinyl pyrrolidone (PVP) and polycaprolactone (PCL). Antibiotic patches showed uniform fibres with a porous surface giving rise to a biphasic delivery system, which provided an initial burst of 30–48% drug release in the first 24 h followed by a constant rate of release throughout the course of 168 h, suitable for wound-dressings application. The effect of operating parameters on fibre morphology, the influence of the coresheath structure and drug loading as well as a mathematical modelling was investigated and analysed. Fouriertransform infrared spectroscopy, and differential scanning calorimetry results demonstrated successful TEHCL encapsulation as well as the presence of both polymers in the core-sheath fibres. The surface morphology of the fibres was studied using scanning electron microscopy and the core-sheath structure was verified using confocal scanning microscopy. Therefore, the core-sheath pressurised gyration method offers an exciting chance to customise fibre patches in a hybrid polymeric system. These advancements are crucial in the world of healthcare to meet demands where antibacterial dressings cannot be produced rapidly or when a personalised approach is necessary

Designing, fabrication, and efficacy assessment of a new surgical guide for dental implant placement in partial edentulism

Objectives Several tools have been introduced to increase the accuracy of dental implant placement. This study aimed to design and fabricate a new surgical guide for dental implant placement in partial edentulism and assess its efficacy. Methods The designed aluminum surgical guide has eight accessories and one graded rocket. The accessories have 6, 7, 8 and 9 mm diameter, and 6 mm height. Each accessory pair has a hole for passage of 2 mm and 2.8 mm drills. The efficacy of the designed surgical guide was tested by placement of 15 dental implants in jaw models. Cone-beam computed tomography (CBCT) scans were obtained, and analyzed to assess the implant-tooth and inter-implant distances and inter-implant angulation using NNT Viewer software. Data were analyzed using one-sample t-test. P<0.05 was considered significant. Results A significant difference was noted between the planned and actual values in the implant-adjacent tooth mesiodistal distance (P<0.001), and inter-implant distance (P=0.005). However, no significant difference existed in inter-implant angulation (P=0.073). The mean implant-tooth and inter-implant distances, and the mean inter-implant angulation were 0.284±0.199 mm, 0.0350±0.176 mm, and 3.883±4.20°, respectively. Conclusion The designed surgical guide had high accuracy in achieving optimal inter-implant angulation and linear implant-adjacent tooth and inter-implant distances, and the obtained mean values were clinically acceptable

Alterations in leaf anatomy, quality, and quantity of flavonols and photosynthetic pigments in Nigella sativa L. subjected to drought and salinity stresses

Nigella sativa was widely used for nutritional and medicinal purposes. The present study investigated the effect of drought and salinity stresses on anatomical leaves structure and some biochemical properties to increase the secondary metabolites. For salt stress plants were treated with NaCl (30, 60 mM), and for drought stress plants were irrigated daily (control), once every two days (2DI) and once every three days (3DI). Compared to control plants, 2DI, 3DI, and NaCl 60 mM treatments increase significantly leaf rutin content, while the amount of rutin in seeds of NaCl 60 mM treated plants showed a significant decrease. 3DI treatment also significantly increased rutin content in seeds compared to NaCl 30 mM and control plants.  The maximum level of quercetin (0.58 mg g−1 DW), kaempferol (0.16 mg g−1 DW), and myricetin (0.04 mg g−1 DW) in leaves were gained in both NaCl treatments. However, the flavonol components were affected more at salinity conditions rather than drought. In all treated plants, the amount of these compounds in leaves was more than in seeds. The highest amount of total phenol (130 mg g−1 DW), flavonoids (11.4 mg g−1 DW), and carotenoid content (1.55 mg g−1 DW) of leaves were observed under 2DI stress. Treated plants probably encountered different changes in the anatomical structure of leaves, including the decrease of phloem area, reducing vascular bundles and diameters, decreasing the number, and increasing the volume of cortex cells. The study also corroborates the cooperation between increasing the antioxidant capacity with the total flavonoid, rutin, and quercetin. Results indicated a higher sensitivity of N. sativa to drought stress than salinity stress and indicated that moderate salinity and drought could enhance secondary metabolites of seeds in this plant. The formation of potent antioxidants via the treatments could be worthy for pharmaceutical industries

ON THE GRUNDY BONDAGE NUMBERS OF GRAPHS

For a graph $G=(V,E)$, a sequence $S=(v_1,\ldots,v_k)$ of distinct vertices of $G$ it is called a \emph{dominating sequence} if $N_G[v_i]\setminus \bigcup_{j=1}^{i-1}N[v_j]\neq\varnothing$. The maximum length of dominating sequences is denoted by $\gamma_{gr}(G)$. We define the Grundy bondage numbers $b_{gr}(G)$ of a graph $G$ to be the cardinality of a smallest set $E$ of edges for which $\gamma_{gr}(G-E)>\gamma_{gr}(G).$ In this paper the exact values of $b_{gr}(G)$ are determined for several classes of graphs

Evaluation of the ultrastructure and expression of desmoglein 2 in breast cancer: A novel biomarker

Background and purpose: Breast cancer is the most common malignancy among Iranian women. In recent years, the study of dysfunction in the expression of cell-cell junction genes and the related proteins in the malignant process has been at the center of attention. Materials and methods: In this study, 50 patients were selected who had both cancerous tissue and adjacent healthy tissue. The expression of the desmoglein 2 gene was evaluated. Healthy and cancerous tissue were compared using routine hematoxylin and eosin staining. The total protein was also compared between these two groups. The ultrastructural examination was performed. Results: The real-time polymerase chain reaction results showed a decrease in the expression of the desmoglein 2 gene in all tumor samples compared to the healthy samples (p<0.0001). Besides, receiver operating characteristic curve analysis showed that the area under the curve was equal to 0.98. Transmission electron microscopy microscopic studies revealed a change in the status of desmosomal junctions. Conclusions: Overall, the findings showed that the association between desmoglein 2 gene expression and alterations in cellular connections leads to impaired cellular connections, which is an important risk factor for breast cancer. This result proposed the understudy gene as a new biomarker in the development of breast cancer

The effect of illness perception on physical health-related quality of life promotion in multiple sclerosis (MS) patients attending peer support groups

Illness perception influences patients’ decision to adopt effective behavior and achieve positive results such as adapting with the disease and improving functionality, and the interventions that increase illness perception can promote health. This study aimed to investigate the effect of illness perception on the physical health-related quality of life of MS patients attending peer support groups. This study with a quasi-experimental before-and-after design included 33 MS patients in three groups: male-only(n=10), female-only(n=11) and one with both males and females (mixed, n=12) that selected by convenience sampling Participants were required to attend 8 weekly sessions comprising 2 hours each. Instruments used to assess physical health related quality of life and illness perception were the physical health section of "Multiple Sclerosis Quality of Life Inventory (MSQLI)" and "Revised Illness Perception Questionnaire(IPQ-R)" respectively, which were completed by participants before and after attending the group sessions. The results showed that although illness perception of MS patients attending peer support groups did not show a significant increase, physical health significantly improved(p=0.001). Attending peer support group increased illness perception in the mixed group(p=0.01) and elevated physical health in men only and mixed group (p=0.03 for the mixed group and p=0.04 for men only group). Regression analysis showed a significant relationship between MS and physical health with efficacy of 0.54(p<0.001). The results showed that increased illness perception in MS patients improves their physical health. Therefore, we can improve MS patients’ physical health-related quality of life through peer support groups and hence promote patients’ quality of life.

The Domination of Quasi-Questioning instead of Questioning in Education Systems Citing the Thought of Hans Georg Gadamer

The purpose of this study is to investigate the contexts of quasi-questioning domination instead of questioning by quoting the philosophical hermeneutical thought of Hans Georg Gadamer. The method of inferential analytical research is qualitative research. The focus of Hans-Georg Gadamer's thought in The Truth and Method is the event of understanding In Gadamer's view, methodical and predictable understanding is an important challenge for questioning in its philosophical sense. Because understanding is constantly occurring in the endless process, and in the context of reflective interactions, without being affected by the control of the "I" or the "thou". In fact, questions and understandings are intertwined and intertwined. Understanding is not the ability to know or the power of perception, rather, it is the abundant openness in the_world that makes Dasein enlightened, not in the sense that another being has enlightened him, but in the sense that he himself is enlightened. While educational systems are formed with the foundations of science (in the sense of science), and ideology (with an unchangeable manifesto), because they claim to understand the end of truth, thinking rests on science and ideology, and quasi-questioning on fundamental questions. He conquers. In fact, the rejection or confirmation of hypotheses, or the claim that ideology understands the end of truth, is far from the nature of questioning