bluuebunny/crossref_metadata_2025_split huggingface dataset:
Color change of omnichroma composite resin restoration exposed to different stains
Authors: Mekky Abrar F.S.A.A. , Etman Wedad M. , Elsayed Hussein Y. 
Published: January 2025

Abstract

Purpose
To investigate the effect of different stains on Omnichroma nano filled composite resin restorations compared to a conventional nano hybrid composite resin restorations.

Patients and methods
A total of 60 intact human upper premolars with shade A2 were embedded in self-curing acrylic resin (roots only) 2 mm below the cement-enamel junction. A trapezoidal Class V cavity was prepared on the buccal surface of each tooth, a width of 4 mm occlusally and 3 mm gingivally, and 3 mm occluso cervically. The cervical margins were located 2 mm coronal to cementoenamel junction. All cavities were 2 mm in depth. Teeth were randomly divided into two equal groups (n = 30), group I (Omnichroma composite resin) and group II (Tetric Evoceram composite resin). All specimens were incubated at 37°C, 100% humidity in artificial saliva for 24 h, then subjected to 500 thermo cycles between 5°C and 55°C, 30 s dwell time, and a transfer time of 15 s. The color of specimens and restorations (base line) was recorded by Vita Easy shade V. Each group was randomly subdivided into three sub-groups (n = 10 specimens) and immersed in artificial saliva, coffee, and tea for 48 h. Color measurements were done again after immersion time. All data was collected, tabulated, and statistical analysis was performed using Statistical Package for Social Science (SPSS version 26).

Results
In base line evaluation, there was no statistical significant differences for mean values of (ΔE) between both groups and within each group teeth surfaces versus composite restorations, still, there was no significant difference after immersion 48 h in saliva, however, a significant difference was recorded after immersion 48 h in both coffee and tea between both groups regarding composite values, and a statistical significant difference recorded within group II between teeth and restorations. All collected data for tested specimens were analysed to conclude the difference in ΔE of teeth surfaces and composite restorations of both groups between baseline and after 48 h immersion in different solutions, recording a statistical significant difference for teeth surfaces and composites of group I and group II. The difference in (ΔE) between both tested groups regardless the immersion solution was analysed. A significant difference was recorded.

Conclusion
Omnichroma composite resin matches the shade of tooth for class V restorations. Coffee recorded the highest staining mean values, followed by tea, and lowest mean values recorded by saliva. The claim of manufacturer that Omnichroma has a chameleon effect to obtain the same color of the surrounding tooth surfaces was accepted.
Potential Use of Some Edible Fruits from Woody Plants: Their Antioxidant Properties and Changes in Phenolics during In Vitro Digestion
Authors: Ozkan Gulay , Karahan Ceren , Kapucu Gulefsan , Yurt Bayram , Capanoglu Esra 
Published: January 2025

Abstract

Objective:
In this study, five woody plants including Cotoneaster
horizontalis (rockspray cotoneaster), Cotoneaster
franchetii (orange cotoneaster), Elaeagnus
angustifolia (Oleaster), Berberis
thunbergii (Japanese barberry), and Malus
floribunda (Japanese crabapple) were used for infusion preparation.

Materials and Methods:
The antioxidant potential and bioaccessibility of phenolics in the infusion were investigated before and after the simulation of in vitro gastrointestinal digestion.

Results:
Accordingly, the infusion of B. thunbergii (Japanese barberry) exhibited the highest antioxidant capacity (6418 ± 479 mg Trolox equivalents [TE]/100 g dry weight [dw]), as measured by CUPRAC assay, and the highest total phenolic content (689 ± 30 mg gallic acid equivalents/100 g dw). On the other side, the infusion of C. horizontalis (rockspray cotoneaster) had the greatest antioxidant capacity values determined by 1,1-diphenyl-2-picrylhydrazyl radical scavenging ability (2420 ± 132 mg TE/100 g dw). The stability of phenolics in infusions was found to vary from gastric to intestinal digestion passage.

Conclusion:
With their high antioxidant potential, it is clear from the results that these plants can be considered a good alternative with functional properties.
Optimizing Healthcare in the Digital Era: Fusion of IoT with other Techniques
Authors: Singh Rashmi , Chaudhary Aryan , Kumar Vidyapati 
Published: January 2025

The Internet of Things (IoT) has helped explore the healthcare industry. The present paper discusses the benefits and challenges associated with IoT in healthcare, highlights notable use cases, and presents the future prospects and considerations for successful implementation. Through a comprehensive examination of the topic, this paper aims to provide insights into the role of IoT in enhancing healthcare delivery, improving patient outcomes, and transforming the healthcare domain. A case study of brain tumor classification is investigated to explore IoT's applicability in healthcare. The VGG 16 model improved more consistently over the epoch, achieving higher validation accuracy than other models. In contrast, the discrepancies in validation accuracy and loss indicate the degree of variability of these models. The concept is augmented with fuzzy logic, nearness monitoring, and IoT in healthcare to understand future applicability, promising a better perspective on their transformational prowess.
Impact of graphene oxide integration with ZnO nanoparticles on its photocatalytic, antimicrobial, and antioxidant activities
Authors: Olani Adugna , Nagasa Guyasa Jabessa , Jabesa Nemera Dugasa , Tesema Efa Mulugeta , Tadesse Beyene Tamene 
Published: January 2025

Zinc oxide nanoparticles (ZnO-NPs) are a type of nanomaterial that is biodegradable and has low toxicity and high compatibility with biological systems. They appear to have great potential for biomedical and photocatalysis applications, especially when compared to other metal oxide nanomaterials. Moreover, ZnO-NPs exhibit strong ultraviolet (UV) absorption properties, are cost-effective, and are easy to synthesize. However, pure ZnO-NPs have several limitations, including a wide energy bandgap, high excitation binding energy, poor photocatalytic activity in the visible range, and significant electron-hole recombination, which restrict their applications. To address these limitations, this study successfully incorporated graphene oxide (GO) into ZnO-NPs. Adding 4% GO reduced the energy band gap from 2.87 eV to 2.20 eV, significantly enhancing their activities. As a result of the integration, their photocatalytic activity enhanced, degrading 98% of methylene blue dye after 80 minutes of visible light exposure. Furthermore, GO incorporation boosted their antioxidant activity, increasing their half-maximal inhibitory concentrations (IC50) from 38.38% to 51.60%. The nanocomposite exhibited superior antimicrobial activity compared to the pure ZnO-NPs and GO, indicating enhanced antimicrobial effects through GO integration. These enhancements are attributed to the improved band gap, stability, surface functionality, and nanocomposite morphology, as confirmed by various characterization methods.
KEY WORDS: Antimicrobial, Antioxidant, Dye degradation, GO/ZnO nanocomposite, Reactive oxygen species.
Bull. Chem. Soc. Ethiop. 2025, 39(3), 515-534.
DOI: https://dx.doi.org/10.4314/bcse.v39i3.10
Larvicidal and adulticidal effect of green synthesis copper oxide nanoparticles using Achillea fragrantissima and its biological and ultra-structural impact on Culex pipiens
Authors: D. Abd El-Halim Mohamed , A. Almehizia Abdulrahman , E. A. Elasasy Manar , Alhaj Zen Amer , M. H. M. Kamel Omnia , A. El-Sayed Ahmed 
Published: January 2025

Chemical pesticides are often applied indiscriminately to control vectors, which led to development and unfavorable effects on beneficial organisms. Worldwide, phytochemicals and plant extracts have a multitude of medical uses and may be employed to remove a wide range of germs and pests. Environmentally friendly nanoparticle manufacturing and nanotechnology are the newest trends in a number of sectors. Utilizing a green method, Achillea fragrantissima extract (AcF) was employed to prepare copper oxide nanoparticles (CuONPs@AcF). Copper oxide nanoparticle was characterized using zeta potential, DLS and transmission electron microscope (TEM). During the study of the AcF extract effect against larvicidal and adulticidal, we found that the effect of AcF extract was less than CuONPs@AcF. Also, we studied the effect of AcF and CuONPs@AcF against the female mosquito's fertility. The effect of the tested substances on the female Culex pipiens ovary was improved by the ultrastructure.
KEY WORDS: Nanoparticles green synthesis, Copper oxide, Mosquito, Achillea fragrantissima extract.
Bull. Chem. Soc. Ethiop. 2025, 39(3), 535-546.
DOI: https://dx.doi.org/10.4314/bcse.v39i3.11
Exploration of the antioxidant and anticancer properties of methanolic extracts derived from five different Jasminum species, alongside an analysis of the phytoconstituent profile using GC-MS
Authors: M. George Nelly , Foda Nermeen , A. Yassin Marwa , Eldemerdash Marwa 
Published: January 2025

Several bioactive constituents found in conventional medicine possess antioxidant and anti-cancer effects and may be useful in the treatment of a variety of diseases, so the current study sought to conduct a thorough investigation of their potential use as a potent antioxidant and anticancer agent for five Jasminum species. The preliminary phytochemical analysis in a methanol extract of Jasminum indicated the existence of numerous bioactive secondary metabolites. More accurately, we discovered many novel compounds such deoxyspergualin, gentamicin B, cefazolin, cytidine, cycloheptanone oxime, folinic acid, 1-dodecene, epoxynonane derivative, dl-citrulline, thiocyanic acid, limonene 5,3',4'-trihydroxyflavone and 4-fluoro histidine. The results demonstrated that the plants have therapeutic values, since the extracts' antioxidant impact was examined using radical 2,2-diphenyl-1-picrylhydrazyl. The methanolic extract displayed varying half-maximal inhibitory concentration values slightly above the standard, indicating the significance of the bioactive metabolites present in the plant. Additionally, investigation was conducted on the potential anticancer properties targeting a specific liver cancer cell line and we revealed that J. azoricum was the powerful plant would effectively inhibit cancer cell lines at both 10 and 100 µg/mL.
KEY WORDS: Jasminum, Phytoconstituents, Anticancer, Antioxidant activity, GC-MS.
Bull. Chem. Soc. Ethiop. 2025, 39(3), 547-560.
DOI: https://dx.doi.org/10.4314/bcse.v39i3.12
A Cu(II) coordination compound constructed by mixed ligands of 1,10-phenanthroline and carboxylic acid: Synthesis, characterization and Hirshfeld surface analysis
Authors: Wang Huilin , Liu Keming , Kong Zhiguo , Zhao Lina , Zhang Hua 
Published: January 2025

Synthesis and full characterization of a new coordination compound, which was synthesized by mixed ligands under hydrothermal condition, namely [Cu(L)2(phen)2(H2O)2]·4H2O (1) (phen = 1,10-phenanthroline, H2L = 3-carboxy-1-carboxymethyl-2-oxidopyridinium). Cu(II) is six-coordinated in a slightly twisted [CuN2O4] octahedral geometry. 1 displays 2D supramolecular layer, which is further extended into a 3D network by the π-π stacking and hydrogen bonds. 3D Hirshfeld surface analysis is combined with 2D fingerprint plots to investigate the contribution of different intermolecular interactions within the crystal. DFT calculations are also performed.
KEY WORDS: Cu(II), 1,10-phenanthroline, Coordination compound, Hirshfeld surface analysis, DFT calculation.
Bull. Chem. Soc. Ethiop. 2025, 39(3), 437-446.
DOI: https://dx.doi.org/10.4314/bcse.v39i3.4
Nuclear matter properties in the non-linear Walecka model via a relativistic mean field approximation at zero temperature
Authors: Ofor W. , Chad-Umoren Y.E. , Ikot A.N. 
Published: January 2025

The properties of symmetric nuclear matter at zero temperature were considered. The equations of state (EOS) of nuclear matter were studied in the non-linear Walecka models at different parameterization. At normal nucleon density, there is strong correlation among the different parameter sets, however the linear Walecka model gives values of nucleon effective mass M0* and nuclear incompressibility (K) at variance to the experimental values.The calculated values of saturation density ranges from (0.143-0.152) fm-3 , nucleon effective mass (0.132-0.157) MeV, binding energy per nucleon (-16.01 to -16.20) MeV, compression modulus (223.55-271.36) MeV, and fermi-wavelength (1.30-1.31) fm-1 for the non- linear Walecka model (NLWM). The results of the numerical computations were compared with the empirical analysis of the giant isoscalar monopole resonance data. These quantities are important for understanding the structure of finite nuclei, neutron stars and equation of state of other dense matter in astrophysical contexts.
INFLUENCE OF BASIC PSYCHOLOGICAL NEEDS AND SPORT IMAGERY ABILITY ON THE ENGAGEMENT AMONG COMBATIVE SPORTS ATHLETES: A CONVERGENT DESIGN
Authors: Bugais Fhernand B. 
Published: January 2025

This study employed a mixed methods design, specifically a convergent design, to explore the influence of basic psychological needs and sports imagery ability on athlete engagement among combative sports athletes in Region XI. Stratified and purposive sampling techniques were used to select participants. Quantitative data were collected using validated questionnaires and analyzed through mean, standard deviation, and multiple linear regression, while qualitative data from interviews were examined using thematic analysis. Data revealed a significant influence of basic psychological needs and sport imagery ability on athlete engagement. Lived experiences emphasized self-belief, extra effort, holistic training, balancing responsibilities, collaboration, personal fulfillment, and familial bonds. Experiences shaped attitudes through personal growth and discipline, beliefs through growth, opportunity, resilience, perseverance, and commitment through strong dedication and motivation from past experiences. The data integration resulted in merging converging for confidence and autonomy with the experiences of training for holistic athletic performance, goal images with the experiences defining success through personal fulfillment, and confidence with the experiences of dedicating extra effort. Goal images also demonstrated a merging-expansion dynamic with experiences of defining success through personal fulfillment, as athlete engagement extended to aspirations such as competing in prestigious events like the Olympics.<p> </p><p><strong> Article visualizations:</strong></p><p><img src="/-counters-/soc/0607/a.php" alt="Hit counter" /></p>
COMPARISON OF QUIET EYE DURATION OF THREE DIFFERENT PERFORMANCE LEVEL ATHLETES IN AIR PISTOL SHOOTING: A PRELIMINARY RESEARCH REPORT
Authors: Bayram İsmail , Kanat Ece Ayaz , Şimşek Deniz 
Published: January 2025

Prior research has suggested that the duration of the quiet eye, a period of stabilized gaze on a critical target before executing a motor skill, may serve as a reliable marker of expertise. This study aimed to investigate the role of quiet eye durations in shooting performance across various skill levels classified as novice, experienced, and expert, particularly in young populations. A novice, an experienced, and an expert shooter performed four shooting sessions from a 10 meters distance while an advanced eye-tracking system recorded gaze behaviour at a sampling frequency of 100 Hz. Mean and standard deviation values of quiet eye times were computed for each skill level determined as novice (332 ± 144.14 ms), experienced (817.75 ± 5.31 ms), and expert (925.5 ± 103.70 ms). The results revealed a congruent pattern in the relationship between quiet eye duration and skill levels. Expert athlete exhibited significantly longer quiet eye durations compared to other levels, confirming our initial hypothesis. These results emphasize that, as athletes progress in experience, there is a corresponding enhancement in their ability to sustain focus on critical targets during specific motor skills, a crucial aspect of shooting performance. Moreover, this enhancement seems to occur even at young ages. These findings underscore the significance of quiet eye duration in evaluating skill development and expertise in shooting sports. Increasing participant numbers will pave the way for further research to refine our understanding of these dynamics in diverse sporting contexts.<p> </p><p><strong> Article visualizations:</strong></p><p><img src="/-counters-/soc/0447/a.php" alt="Hit counter" /></p>
Anatomical variations of the floor of the third ventricle in patients with hydrocephalus may affect the surgical outcome?
Authors: de Aquino Humberto Belem , Pereira Carlos Umberto , Ghizoni Enrico , Yukita Cesar Massami , Vieira Heber Martim 
Published: January 2025

Introduction: Anatomical variation of the floor membrane of the third ventricle can occurs in patients with hydrocephalus of any etiology and age and can affect the surgical outcome.
Methods: Images of the floor of the third ventricle were captured and analyzed from videos of 99 patients with hydrocephalus of different etiologies and ages who underwent endoscopic third ventriculostomy (ETV) with emphasis on the type of floor membrane.
Results: Based on the types of membranes of the floors of the third ventricle found in our study and the data described in the available literature, we can describe four “main types of membranes” with their common characteristics and “subdivisions of the main membranes” where they present common types of main membrane associated with details and/or abnormalities.
Conclusion: Anatomical variations of the floor of the third ventricle occur in patients with hydrocephalus of any etiology and age and their recognition is essential before the main surgical procedure (ETV), as they increase the risk of injuries that can affect the surgical outcome.
Construction of Experiential in the News Text of the Inauguration of Members of the MPR/DPR/DPD RI 2024-2029
Authors: Astri Nanda Dwi , Mulyadi Mulyadi 
Published: January 2025

This study examines the construction of experiential in the news text of the inauguration of members of the MPR/DPR/DPD RI for the period 2024-2029. The construction of experiential is a morphosyntactic construction where the subject experience something, feels a sensation, and experiences mental actions by the stimulus of the sentence object. The steps in this research method are carried out with the aim of finding structured, concrete answers through language phenomena that can be studied. Data collection was conducted using the observation method and note-taking technique. Data analysis was conducted using the distribution method and basic techniques for direct elements and advanced techniques of reading, marking, expanding, and changing forms. The results of this study show that the construction of experiential can be analyzed in the verbs of affection and verbs of cognition. The agent occupies the position of the subject mapped as the experiential or the object mapped as the stimulus or both can correspond in the sentence. The verbs of affection can involve or describe someone's feelings. In addition, the addition of two verb arguments can change the semantic role in the example of the verb "feel". The dative element found in the object of experiential in the verb to be and juxtaposed with adjectives describes quality. The purpose of the construction of experiential is to find a strong meaning in the relationship of subject - object or object - subject in the sentence and the semantic role bound in it. Therefore, it can be concluded that the semantic role and morphology is closely related to the syntactic structure in a sentence.
Ameliorating COVID-19-related Acute respiratory distress syndrome (ARDS) with the multi-target strategy utilising natural supplements-from in-silico to a randomised controlled clinical trial
Authors: Amjadi Ali , Mohammadpour Masoomeh , Pouraghajan Khadijeh , Mahdiuni Hamid , Farahani Leila Nezamabadi , Nadimi Mohamad , Mohammadi Gholam Abbas , Bakhtiari Mohammad , Eskandari Sama , Masoodi Mahmoud Reza 
Published: January 2025

Background: COVID-19, several issues concerning this global dilemma is still unknown with no efficient cure protocol. Relieve respiratory distress and lung failure in acute and moderate cases of COVID-19 infections and control of the common signs are the major aims of the current research. Methods: Cure options selected reviewing available information of virus life cycle, host cell involved signal-transduction, and evaluation by in-silico experiments using natural available supplements. We randomly assigned non-hospitalised and hospitalized patients in the trial in the following groups: Control (Lopinavir/Ritonavir, Azithromycin, Hydroxychloroquine sulfate, and Naproxen); Intervention (Artemisinin, Hesperidin, Resveratrol, Noscapine, N-Acetyl Cysteine, and Vitamin C). The outcome included all-cause viability and treatment within 10 days and the clinical improvement of infection characteristics defined in X-ray Computed Tomography, blood factors examination, and ordinal elimination of the signs with statistical assessing the results. Results: In-silico results indicated that the supplements interfere with the virus in multi-state behaviour. In the trial, all hospitalised intervention patients were cured within 10 days. One of the hospitalised control patients died. The blood oxygen level, CT scan results for lung cleansing, amount of Lymphocytes, Neutrophil, LDH, PLTs, ESR, and WBC of the intervention patients were effectively improved than control patients. The comparison of symptoms demonstrated a significant elimination in the prevalence of fever, sore throat, chest pain, for intervention patients (5.40±1.80 hospitalisation days; 3.84±0.8 treatment days) rather than the control group (13.25±8.96 hospitalisation days; 8.80±3.51 treatment days). Conclusions: We found improved clinical status in lung treatment and blood characteristics with no mortality for intervention participants.
A comparative study to assess the impact of an Integrated yoga module on different types of Headache: A study Protocol
Authors: Tripathi Vitruv , Nath Mishra Vijay 
Published: January 2025

Aim: The study is focusing on investigating the effect of yoga as a complementary therapy in reducing headache frequency, intensity, and duration, and its impact on quality of life in affected individuals. Background: Neurological disorders like headaches can significantly impact quality of life and daily routines. To manage these issues, patients can reduce stress, sleep, dietary changes, and physical activity. This study aims to evaluate the effectiveness of yoga as a physical movement in managing neurological issues like headaches. The intervention includes behavioral lifestyle modifications, asanas pranayama, and meditation sessions. The results will enhance yoga's effectiveness in controlling neurological disorders and their associated headaches. Future research will explore the potential mechanisms of yoga and its impact on chronic conditions. Methods: A comparative study trial has been designed for a study to be conducted in Sir Sundar Lal Hospital of Varanasi, Banaras Hindu University. A total of 100 patients will be recruited and will be offered to take medication and yoga or only take medications and will be evaluated from base line to follow-up through different parameters of headache frequency, headache intensity and quality of life. The yoga group will receive yoga session through online mode, weekly 2 sessions for aprox. 60-min and the control group will receive Medication of Standard therapy. Conclusion: The effect of a pre-designed yoga module in managing headaches, focusing on outcomes like intensity, frequency, and quality of life. The findings could lead to new healthcare opportunities and enhance neuro management research, practice, and policy.