Miracle-dz/UniFAR-FTUs huggingface dataset:
A Comparative Study on Drill Tool Effect on Vibration and Delamination Characteristics of FRPs

ABSTRACT Drilling is an inevitable process for component assembly which need appropriate control aiming damage reduction. To study such drill-induced damages, Glass and Natural fiber composites with unidirectional (11) and cross-ply lay-up (12) were drilled using Twist and Annular Core drill tool of varying diameters (6 and 8 mm). The derivative of modal analysis (natural frequency, damping) and delamination are the factors considered for the analysis. In the chosen laminates, maximum variation in the natural frequency was observed to be 8.98% in N12 and 8.60% in G12 for twist drill of 8 mm, whereas the core drill of 8 mm contributes to 0.51% and 0.54%. A similar trend was observed in damping factor showing a maximum variation of 26.98% (N12) and 11.30% (N12) with 8 mm twist and core drill, respectively. Similarly, the maximum delamination factor was observed to be 1 . 62 and 1.30 with 8 mm core drill in G12 and N12 which is lower than the 6 and 8 mm twist drills. Further, twist drilling experiences both peel-up and push down delamination in N12, N11 which was eliminated by the core drill. Thus, core drill exhibits distinct advantages with reduced damage and retained structural properties.
Teacher Participatory Practices to Enhance Students' Leadership Skills

,This study aimed at helping students to improve their leadership skills by utilizing the methodology of Participatory Action Research in which two cycles of research (one cycle per semester) were conducted during the Academic Year of 2021. The three anticipated developmental outcomes of change, learning, and knowledge were gained through the practices, which were administered in the particular setting of the Noensangawittaya School in Chaiyaphum Province. The target group for development consisted of 191 high school students, and 13 teachers served as the study’s co-investigators. The findings revealed the changes that had been anticipated. In accordance with the comparative analysis of the three phases (before and after the first cycle of practices and after the second cycle), it was discovered that in order to improve the students' leadership skills, the co-researchers had continued to increase their activities since beginning the first phase. In a similar vein, there had been advancements in the leadership skills of the students. Together, the research team, the co-researchers, and the school discovered that any form of development, which prioritizes democratic or participatory principles, will produce better results. Additionally, a grounded theory known as the "Model for Developing Students' Leadership Skills: The Success of Lessons Learned through Participatory Action Research at Noensangawittaya School" was developed from the practices, which had been employed in this research.
Quantitative Chemical Exchange Saturation Transfer Imaging of Amide Proton Transfer Differentiates between Cerebellopontine Angle Schwannoma and Meningioma: Preliminary Results

Vestibular schwannomas are the most common tumor at the common cerebellopontine angle, followed by meningiomas. Differentiation of these tumors is critical because of the different surgical approaches required for treatment. Recent studies have demonstrated the utility of amide proton transfer (APT)-chemical exchange saturation transfer (CEST) imaging in evaluating malignant brain tumors. However, APT imaging has not been applied in benign tumors. Here, we explored the potential of APT in differentiating between schwannomas and meningiomas at the cerebellopontine angle. We retrospectively evaluated nine patients with schwannoma and nine patients with meningioma who underwent APT-CEST MRI from November 2020 to April 2022 pre-operation. All 18 tumors were histologically diagnosed. There was a significant difference in magnetization transfer ratio asymmetry (MTRasym) values (0.033 ± 0.012 vs. 0.021 ± 0.004; p = 0.007) between the schwannoma and meningioma groups. Receiver operative curve analysis showed that MTRasym values clearly differentiated between the schwannoma and meningioma groups. At an MTRasym value threshold of 0.024, the diagnostic sensitivity, specificity, positive predictive value, and negative predictive values for MTRasym were 88.9%, 77.8%, 80.0%, and 87.5%, respectively. Our results demonstrated the ability of MTRasym values on APT-CEST imaging to discriminate patients with schwannomas from patients with meningiomas.
Optimizing nonuniform finite-difference grids for boundary regions in transient transport problems

Numerical solutions to a one-dimensional transport problem, with constant diffusivity and Peclet number, are compared to the exact solution to verify the choice of nonuniform grid scheme and rezoning technique. The method chosen involves the use of the modified Roberts transformation with the transformed finite-difference approximations of Kalnay de Rivas, and grid rezoning specified so that the error in boundary flux is controlled.
Correlation Analysis of Early Renal Injury in Elderly Patients with Acute Exacerbations of Chronic Obstructive Pulmonary Disease

Objective To investigate the correlation between serum cystatin C (Cys-C) and beta-2 (β2) microglobulin (β2-MG) levels and renal injury in elderly patients with acute exacerbations of chronic obstructive pulmonary disease (AECOPD) with a view to detecting renal injury in its early stages. Methods A total of 106 patients with AECOPD were enrolled and divided into three groups according to their oxygen partial pressure (PO2) levels: severe hypoxia group, moderate hypoxia group, and mild hypoxia group. Another 60 healthy subjects were selected as the control group. General clinical data were collected from all the study subjects, along with measurements of arterial blood gas, Cys-C, β2-MG, serum creatinine (Scr), urea nitrogen (BUN), partial pressure of carbon dioxide (PCO2), and high-sensitivity C-reactive protein (hs-CRP). Results The levels of hs-CRP, Cys-C, β2-MG, Scr, and BUN were highest in the severe hypoxia group, followed by the moderate hypoxia group, then the mild hypoxia group, and lowest in the control group. The differences between the groups were statistically significant for these indicators (P < 0.05). Apart from in the cases of Scr and BUN, there were no statistically significant differences between the mild group and the control group (P > 0.05). The levels of Cys-C and β2-MG were positively correlated with the levels of hs-CRP, PCO2, Scr, and BUN and negatively correlated with PO2 levels. hs-CRP and PO2 were high-risk factors influencing Cys-C levels, and β2-MG was a risk factor influencing Cys-C levels. The level of PO2 was a high-risk factor influencing β2-MG levels, and PCO2 and Cys-C were risk factors influencing β2-MG levels. Conclusion Renal injury was found to be present in patients with AECOPD and worsened with increasing degrees of hypoxia. Hypoxia and inflammation might be risk factors for renal injury in patients with AECOPD, Cys-C and β2-MG could be sensitive indicators for the early detection of renal injury.
Impact of Social Media Usage on Academic Procrastination

This research study aims to discover the possible relationship between social media usage with academic procrastination exhibited by students. The multistage sampling technique was utilized and a sample of N=240 belonging to different educational levels (intermediate, graduate, and post-graduate), stratified by gender (boys=120 and girls=120), was drawn from various educational institutions in the Peshawar district. The researchers utilized Social Networking Time Use Scale:SONTUS (Olufadi, 2016) to measure the time spent by the subjects on social networking sites. Whereas the Academic Procrastination Scale: APS (McCloskey, 2011) was used to gauge the Academic procrastination level of the respondents. Results indicated significant positive correlation between social media usage and academic procrastination, r = 0.424; p less than 0.01. An inverse relationship of educational level with social media time usage and academic procrastination was also manifested, r=-. 153; p less than0.01 and r = -. 167; p less than 0.01. Moreover, there was no significant difference in academic procrastination tendency by gender F(1,238)= 1.334, P greater than . 05.
WORK MOTIVATION EFFECT ON EMPLOYEE PERFORMANCE AT SUMBERSARI PRIMARY HEALTH CARE

The performance of Primary Health Center employees can be achieved if each employee has a high motivation to complete their job in accordance with their responsibilities. This study aims to analyze how much the effect of work motivation on employee performance in Sumbersari Primary Health Center in the Parigi Moutong district. This research was a correlation study with a cross-sectional approach. The population of this study was employees who work at the Sumbersari Primary Health Center in Parigi Moutong district, as many as 64 people, while the sample is all population (total population). Data were analyzed using multiple linear regression. The results showed that the effect partially works on motivation and employees performance in the Sumbersari public health center show that the salary was a variable that most significantly affects partially the employee's performance, where the t value (3,220) is greater than the t table (1,674) and The effect of overall work motivation variable influence simultaneously on the employee's performance because the value of F count larger than F table with R-value of 0,490, which means the degree of influence between variables that are strong enough. In conclusion, there was a significant influence of work motivation (salary and interpersonal relationships) on employee performance at Sumbersari Primary Health Center. The influence of motivation on employee performance was quite strong.
The Safety and Efficacy of Vela Laser En-Bloc Endoscopic Resection versus Conventional Transurethral Resection of Bladder Tumor—A Single Center Experience

(1) Background: The current gold standard treatment of bladder cancer is conventional transurethral resection of the bladder tumor (CTURBT) using monopolar or bipolar resectoscopes. Laser en-bloc resection of the bladder tumor (LERBT) could achieve a higher quality of the specimen, reduce perioperative complications, and decrease the recurrence rate. Here, we compare the efficacy and safety of en-bloc Vela laser resection versus the conventional monopolar/bipolar resection; (2) Methods: A total of 100 clinically cT1-2 patients with bladder cancer were retrospectively reviewed in this study. Among these patients, 50 patients received LERBT, and 50 patients received CTURBT. The baseline characteristics, operation variables, and clinical outcomes were collected. The primary performance was the presence of muscle layer in the specimen. Perioperative complications and recurrence-free survival (RFS) were also compared. Independent t-test, Chi-square test, Kaplan–Meier curves, and the Cox-regression model were used in the analysis; (3) Results: The median age of the patients in the laser and resectoscope groups was 69.2 and 68.0 years old, respectively. The statistical difference in the presence of the detrusor muscle was 92.0% in the laser group and 70.0% in the CTURBT group (p = 0.005). A lower incidence of bladder perforation (p = 0.041) and major surgical complications (p = 0.046) in the LEBRT group was observed. We found no differences in operation duration, catheterization time, and hospitalization time after adjustment. Additionally, there was no statistical difference in RFS after a median follow-up time of 25 months; (4) Conclusions: Endoscopic laser en-bloc resection of bladder tumor with Vela laser is an effective method with higher muscle inclusion rate and fewer complications.
Mediation Role of Perceived Organizational Support on Nurses’ Work Engagement and Leadership Styles

Background: Nurses’ work engagement is essential both for the quality of the service provided and occupational health. However, there is a lack of adequate information about nurses’ engagement in healthcare organizations that are affected by various factors in the context of Health Psychology.Purpose: This study was aimed at investigating the association between leadership styles of supervisors and work engagement, and elucidating the role of organizational support in this relationship.Methods: A cross-sectional study was conducted on 85 nurses from the health organizations in Catalonia, Spain, recruited via a snowball procedure. Leadership styles and Three Outcome Scales (TOS) were evaluated through the Multifactorial Leadership Questionnaire (MLQ) as independent variables. POS as an Organizational Support Test assessed a mediating variable (POS), and work engagement as a dependent variable was evaluated by the Utrecht Job Involvement Scale (UWES). Results: The results displayed differences in work engagement depending on job positions. Besides, the results revealed a positive association between leadership styles and TOS with work engagement, other than laissez-faire. Additionally, POS illustrated a positive association with work engagement (r=0.447, p<0.01). Leadership styles except for laissez-faire and TOS positively affect POS; also, TOS significantly predicted work engagement (β=0.581, t(78)=2.196, p<. 05). Furthermore, results confirmed that POS mediates the relationship between leadership styles and TOS with work engagement (z=-3.490; z=3.117; z=3.521; z=3.791, p=0.000). Conclusion: Transformational and transactional leadership are two main styles significantly affecting nurses’ engagement with their work, while laissez-faire decreases nurses’ work engagement; therefore, supervisors and leaders of healthcare organizations should consider it. Consequently, nurses with a high POS show superior engagement levels at work. The research sheds new light on health psychology and the clinical area, particularly in nurses’ work engagement.
EVOO’s Effects on Incretin Production: Is There a Rationale for a Combination in T2DM Therapy?

Type 2 diabetes mellitus (T2DM) is a serious public health concern as it is one of the most common chronic diseases worldwide due to social and economic developments that have led to unhealthy lifestyles, with a considerable impact both in terms of morbidity and mortality. The management of T2DM, before starting specific therapies, includes cornerstones such as healthy eating, regular exercise and weight loss. Strict adherence to the Mediterranean diet (MedDiet) has been related to an inverse association with the risk of T2DM onset, as well as an improvement in glycaemic control; in particular, thanks to the consumption of extra virgin olive oil (EVOO). Agonists of gut-derived glucagon-like peptide-1 (GLP-1), gastrointestinal hormones able to increase insulin secretion in response to hyperglycaemia (incretins), have been recently introduced in T2DM therapy, quickly entering the international guidelines. Recent studies have linked the action of EVOO in reducing postprandial glycaemia to the increase in GLP-1 and the reduction of its inactivating protease, dipeptidyl peptidase-4 (DPP-4). In this review, we explore observations regarding the pathophysiological basis of the existence of an enhanced effect between the action of EVOO and incretins and, consequently, try to understand whether there is a rationale for their use in combination for T2DM therapy.
OLDER AND COLDER: THE IMPACT OF STARSPOTS ON PRE-MAIN-SEQUENCE STELLAR EVOLUTION

We assess the impact of starspots on the evolution of late-type stars during the pre-main sequence (pre-MS) using a modified stellar evolution code. We find that heavily spotted models of mass 0.1–1.2 M⊙ are inflated by up to 10% during the pre-MS, and up to 4% and 9% for fully and partially convective stars at the zero-age MS, consistent with measurements from active eclipsing binary systems. Spots similarly decrease stellar luminosity and T eff ? > , causing isochrone-derived masses to be underestimated by up to a factor of 2 × ? > , and ages to be underestimated by a factor of 2–10, at 3 Myr. Consequently, pre-MS clusters and their active stars are systematically older and more massive than often reported. Cluster ages derived with the lithium depletion boundary technique are erroneously young by ∼15% and 10% at 30 and 100 Myr, respectively, if stars with 50% spots are interpreted with unspotted models. Finally, lithium depletion is suppressed in spotted stars with radiative cores, leading to a fixed-temperature lithium dispersion on the MS if a range of spot properties are present on the pre-MS. Such dispersions are large enough to explain Li abundance spreads seen in young open clusters, and imply a range of radii at fixed mass and age during the pre-MS Li-burning epoch. By extension, this implies that mass, composition, and age do not uniquely specify the Hertzsprung–Russell diagram location of pre-MS stars.
Binary-Synaptic Plasticity in Ambipolar Ni-Silicide Schottky Barrier Poly-Si Thin Film Transistors Using Chitosan Electric Double Layer

We propose an ambipolar chitosan synaptic transistor that effectively responds to binary neuroplasticity. We fabricated the synaptic transistors by applying a chitosan electric double layer (EDL) to the gate insulator of the excimer laser annealed polycrystalline silicon (poly-Si) thin-film transistor (TFT) with Ni-silicide (NiSi) Schottky-barrier source/drain (S/D) junction. The undoped poly-Si channel and the NiSi S/D contact allowed conduction by electrons and holes, resulting in artificial synaptic behavior in both p-type and n-type regions. A slow polarization reaction by the mobile ions such as anions (CH3COO− and OH−) and cations (H+) in the chitosan EDL induced hysteresis window in the transfer characteristics of the ambipolar TFTs. We demonstrated the excitatory post-synaptic current modulations and stable conductance modulation through repetitive potentiation and depression pulse. We expect the proposed ambipolar chitosan synaptic transistor that responds effectively to both positive and negative stimulation signals to provide more complex information process versatility for bio-inspired neuromorphic computing systems.
Performance of the AIDRScreening system in detecting diabetic retinopathy in the fundus photographs of Chinese patients: a prospective, multicenter, clinical study

Background Diabetic retinopathy (DR) is the leading cause of blindness in the working-age population worldwide, and there is a large unmet need for DR screening in China. This observational, prospective, multicenter, gold standard-controlled study sought to evaluate the effectiveness and safety of the AIDRScreening system (v. 1.0), which is an artificial intelligence (AI)-enabled system that detects DR in the Chinese population based on fundus photographs. Methods Participants with diabetes mellitus (DM) were recruited. Fundus photographs (field 1 and field 2) of 1 eye in each participant were graded by the AIDRScreening system (v. 1.0) to detect referable DR (RDR). The results were compared to those of the masked manual grading (gold standard) system by the Zhongshan Image Reading Center. The primary outcomes were the sensitivity and specificity of the AIDRScreening system in detecting RDR. The other outcomes evaluated included the system’s diagnostic accuracy, positive predictive value, negative predictive value, diagnostic accuracy gain rate, and average diagnostic time gain rate. Results Among the 1,001 enrolled participants with DM, 962 (96.1%) were included in the final analyses. The participants had a median age of 60.61 years (range: 20.18–85.78 years), and 48.2% were men. The manual grading system detected RDR in 399 (41.48%) participants. The AIDRScreening system had a sensitivity of 86.72% (95% CI: 83.39–90.05%) and a specificity of 96.09% (95% CI: 94.14–97.54%) in the detection of RDR, and a false-positive rate of 3.91%. The diagnostic accuracy gain rate of the AIDRScreening system was 16.57% higher than that of the investigator, while the average diagnostic time gain rate was −37.32% lower. Conclusions The automated AIDRScreening system can detect RDR with high accuracy, but cannot detect maculopathy. The implementation of the AIDRScreening system may increase the efficiency of DR screening.
Evaluating the Self-Sensing Ability of Cement Mortars Manufactured with Graphene Nanoplatelets, Virgin or Recycled Carbon Fibers through Piezoresistivity Tests

This paper presents the resistivity and piezoresistivity behavior of cement-based mortars manufactured with graphene nanoplatelet filler (GNP), virgin carbon fibers (VCF) and recycled carbon fibers (RCF). GNP was added at 4% of the cement weight, whereas two percentages of carbon fibers were chosen, namely 0.05% and 0.2% of the total volume. The combined effect of both filler and fibers was also investigated. Mortars were studied in terms of their mechanical properties (under flexure and compression) and electrical resistivity. Mortars with the lowest electrical resistivity values were also subjected to cyclic uniaxial compression to evaluate the variations in electrical resistivity as a function of strain. The results obtained show that mortars have piezoresistive behavior only if they are subjected to a prior drying process. In addition, dry specimens exhibit a high piezoresistivity only when loaded with 0.2 vol.% of VCF and 0.4 wt. % of GNP plus 0.2 vol.% RCF, with a quite reversible relation between their fractional change in resistivity (FCR) and compressive strain.
When Prevention is Truly Better than Cure: Contrast-Associated Acute Kidney Injury in Percutaneous Coronary Intervention

Contrast-associated acute kidney injury (CA-AKI) is a fairly frequent complication of cardiovascular angiography and percutaneous coronary intervention (PCI). The risk is significantly higher in patients with advanced chronic kidney disease (CKD). Prevention is the only option for avoiding the significant morbidity and mortality associated with CA-AKI. This review provides a concise and clinically directed appraisal of the latest pre-procedural and peri-procedural strategies to minimize the risk of CA-AKI in all patients undergoing PCI. By broadly implementing these evidence-based care bundles, we can dramatically improve outcomes in this vulnerable patient population.
Subdivision algorithm for optimal control

We present a novel algorithm for optimal control of nonlinear systems based on a subdivision algorithm. The algorithm presented in this paper is an alternative to a set‐oriented approach for optimal feedback stabilization. We compare the proposed algorithm to the set‐oriented approach, contrast these two approaches, and use examples to show that the new algorithm produces comparable results. Also, we demonstrate by example that we receive a precomputed optimal solution. The main contribution of the paper is understanding how cost function improves with further subdivision of state space and smaller memory footprint of the final solution in comparison with set‐oriented approach. Copyright © 2012 John Wiley & Sons, Ltd.