Miracle-dz/UniFAR-FTUs huggingface dataset:
Considering the Value of 3D Cultures for Enhancing the Understanding of Adhesion, Proliferation, and Osteogenesis on Titanium Dental Implants

Background: Individuals with pathologic conditions and restorative deficiencies might benefit from a combinatorial approach encompassing stem cells and dental implants; however, due to the various surface textures and coatings, the influence of titanium dental implants on cells exhibits extensive, wide variations. Three-dimensional (3D) cultures of stem cells on whole dental implants are superior in testing implant properties and were used to examine their capabilities thoroughly. Materials and methods: The surface micro-topography of five titanium dental implants manufactured by sandblasting with titanium, aluminum, corundum, or laser sintered and laser machined was compared in this study. After characterization, including particle size distribution and roughness, the adhesion, proliferation, and viability of adipose-derived stem cells (ADSCs) cultured on the whole-body implants were tested at three time points (one to seven days). Finally, the capacity of the implant to induce ADSCs’ spontaneous osteoblastic differentiation was examined at the same time points, assessing the gene expression of collagen type 1 (coll-I), osteonectin (osn), alkaline phosphatase (alp), and osteocalcin (osc). Results: Laser-treated (Laser Mach and Laser Sint) implants exhibited the highest adhesion degree; however, limited proliferation was observed, except for Laser Sint implants, while viability differences were seen throughout the three time points, except for Ti Blast implants. Sandblasted surfaces (Al Blast, Cor Blast, and Ti Blast) outpaced the laser-treated ones, inducing higher amounts of coll-I, osn, and alp, but not osc. Among the sandblasted surfaces, Ti Blast showed moderate roughness and the highest superficial texture density, favoring the most significant spontaneous differentiation relative to all the other implant surfaces. Conclusions: The results indicate that 3D cultures of stem cells on whole-body titanium dental implants is a practical and physiologically appropriate way to test the biological characteristics of the implants, revealing peculiar differences in ADSCs’ adhesion, proliferation, and activity toward osteogenic commitment in the absence of specific osteoinductive cues. In addition, the 3D method would allow researchers to test various implant surfaces more thoroughly. Integrating with preconditioned stem cells would inspire a more substantial combinatorial approach to promote a quicker recovery for patients with restorative impairments.
Abdominal Obesity and their association with Total Body: Fat Distribution and Composition. Case of Algerian Teenager Male high school students

Цель : наша цель - оценить влияние брюшного жира на распределение жировых отложений или состав, связанный с общим жиром тела и как рекомендации к снижению веса среди страшеклассников. Материал: в этом исследовании участвуют 100 юношей сектора образования алжирской средней школы Сиди Бель Аббес. Их средний возраст 16 ± 1,52 года. Юноши распределены по однородным группам, в зависимости от их процентного содержания жира в организме. Рассматриваются показатели: процентное содержание жира в теле (BFP), окружность живота (WC), индекс массы тела (BMI). Результаты: На основании данных испытаний и применяемой статистики анализа подтверждено: Результаты: На основании данных испытаний и применяемой статистики анализа мы подтверждаем: а) Абдоминальное ожирение - избыток массы тела, коррелирующий с общим ИМТ жиров. Это сильно повлияло на состав тела, представленный как дополнительный жир для избыточного веса по сравнению с приемлемым в соответствии с идеальными категориями BFP. б) Абдоминальное ожирение - это количество глубокого жира, которое коррелирует с общим количеством BFP. Это более сильно влияло на распределение общего жира в организме, классифицируемый как избыточный жир среди категории избыточной массы по сравнению с приемлемой группой. в) Окружность талии (WC) является ведущим маркером абдоминальных жировых отложений, расположенных в центральной области тела. В то время как сочетание индекса массы тела (BMI) и окружности талии (WC) отражает комбинированные эффекты телосложения (жира) у людей с повышенным риском избыточного содержания жира в организме. Выводы : основаны на различиях, полученных исследовательской группой. Мы подчеркиваем, что абдоминальное ожирение тесно связано с большим WC, связанным с общим приростом тела, как избыточный индекс ИМТ или распределение жира BFP среди нашей общей выборки. Доказательства, которые помогают нам рекомендовать наших подростков активизировать свои часы спортивной практики, чтобы избежать последствий абдоминального ожирения. Требование контроля снижения массы тела (BFP или BMI) сильно коррелирует с размером талии как идеально точное измерение общего брюшного жира (висцерального и подкожного). Это в сочетании с ИМТ показало свое влияние на формирование тела в начале взрослой жизни или на протяжении всей жизни.
What Indonesian EFL Learners Perceive of Collaborative Writing: Experience in Writing Essays Online

This study examines online collaborative writing (CW) teaching techniques via asynchronous computer-mediated communication multimodality, i.e., Google Docs. This study attempts to investigate what Indonesian learners perceive concerning writing collaboratively in Google Docs during online learning. This study collected data from 20 Primary School Teacher Education (PSTE) students enrolling in an English 3 (Academic Writing) class at a private university in Indonesia. The findings showed that the participants perceived online collaborative writing as a good way to develop their writing and communication skills. It was found that feedback from peers and the teacher was considered beneficial to the learners’ writing development during the implementation of online collaborative writing (OCW). Even though interaction among learners can be enhanced in OCW, learners’ lack of participation was one of the drawbacks discovered in this study. It is hoped that this study can contribute significantly to English writing instructors considering the benefits and the drawbacks of OCW before implementing OCW in their university classrooms.
Infrared Thermography Assessment of Aerobic Stability of a Total Mixed Ration: An Innovative Approach to Evaluating Dairy Cow Feed

Simple Summary An investigation of poor aerobic stability in high-moisture total mixed rations (TMRs) for livestock feed was conducted in this study. TMR quality factors were discovered, and prospective approaches to increase its fermentation properties and overall stability were investigated. Using infrared thermography (IRT) measurements, it was suggested that dairy cow feeding methods can be optimized in the field by identifying portions with a higher center temperature and maximum temperature difference values. According to the findings, there is a significant potential for IRT to be used in feed management and preservation processes in the future, resulting in higher levels of productivity for livestock. Abstract A major objective of this study is to identify factors influencing the quality of high-moisture total mixed rations (TMRs) for livestock feed and explore possible manipulations that can enhance their fermentation characteristics and stability in order to address the problem of poor aerobic stability. Therefore, the current study utilized infrared thermography (IRT) to assess the aerobic stability of water-added TMRs in the feed bunker. By manipulating the moisture content of freshly prepared TMRs at four different levels through water addition and subjecting it to storage at two consistent temperatures, significant correlations between IRT values (center temperature (CT) and maximum temperature difference (MTD)) and key parameters such as lactic acid bacteria, water-soluble carbohydrates, and TMR pH were established. The first and second principal components together accounted for 44.3% of the variation, with the first component’s load influenced by IRT parameters, fermentation characteristics, and air exposure times, while the second component’s load was influenced by dry matter content and lactic acid concentration. The results of these studies indicate the possibility that feeding methods can be optimized by identifying portions with higher CT or MTD data using IRT measurements just before feeding dairy cows in the field. As a result, increasing the use of IRT in feed management and preservation processes is projected to have a positive impact on animal productivity in the future.
Relationship between Asymmetry Profiles and Jump Performance in Youth Female Handball Players

The relationships between asymmetries and performance or the identification of the asymmetry profile that has been routinely studied during jumping tests are largely derived from male-only and small sample size studies. Therefore, the aims of this study were: 1) to evaluate the magnitude and the direction of jump asymmetries (vertical and lateral) in three different age groups of adolescent female handball players, and 2) to identify the effect of asymmetry between limbs on jump performance in the three age groups. One hundred and eighty-five adolescent female handball players (age: 14.88 ± 1.49 years) were distributed in three groups: U14, U16 and U18 and performed two tests to assess jumping ability which were the single leg countermovement jump (SL-CMJ) and the single leg hop lateral (SL-HL). The magnitude of asymmetry in the SL-CMJ test (10.80%) was higher compared to that of the SL-LH test (6.47%), and there were no significant differences between particular categories. The direction of asymmetry represented by the Kappa values showed “poor” and “fair” levels of agreement in U14 and U16 categories, which means that asymmetries rarely favored the same side during each jumping test, but in contrast, in the U18 category the Kappa value result was “slight”. There were significant correlations between SL-CMJ jumping asymmetries and jumping performance in the U18 category (r = 0.31 to 0.49). These data indicate that in order to identify the player's asymmetry profile, we need to consider the magnitude and the direction of different tests which will help better understand the natural deficits, contextualize them and consider appropriate training interventions for the reduction of inter-limb asymmetries.
Phenolic Composition of Brazilian BRS Carmem (Muscat Belly A × BRS Rúbea) Grapes: Evaluation of Their Potential Use as Bioingredients

The BRS Carmem grape was developed as an alternative for processing juices and wines. This study aimed to determine the phenolic compounds (PC) in the edible parts of this grape from two harvests—one harvested at ideal maturation time and another when the grapes were still immature—using HPLC-DAD-ESI-MS/MS. Student’s t-test was used (α = 0.05) to evaluate differences in the PC content between the edible parts and between the harvests. Both skins showed a predominance of flavonols, anthocyanins, hydroxycinnamic acids derivatives (HCAD) and stilbenes, with higher concentrations for harvest 1 than harvest 2. For both harvests (harvest 1 and harvest 2), the HCAD (mg of caftaric acid•kg fruit−1) was higher in whole grapes (383.98 and 67.09) than in their skins (173.95 and 21.74), with a predominance of trans-caffeic acid for all samples; the flavan-3-ols and proanthocyanidins (mg of (+)-catechin•kg fruit−1) presented higher concentrations in the seeds (flavan-3-ols: 203.20 and 182.71, proanthocyanidins: 453.57 and 299.86) than in the skins (flavan-3-ols: 1.90 and 4.56, proanthocyanidins: 37.58 and 98.92); the stilbenes concentration (µg 3-glc-resveratrol•kg fruit−1) was higher for the seeds from harvest 2 (896.25) than those from harvest 1 (48.67). BRS Carmem grapes contain a phenolic composition complex, and still have a relevant concentration of flavonols, anthocyanins and stilbenes, even when immature.
Robust and Generalized Physical Adversarial Attacks via Meta-GAN

Deep neural networks are known to be vulnerable to adversarial examples, where adding carefully crafted adversarial perturbations to the inputs can mislead the DNN model. However, it is challenging to generate effective adversarial examples in the physical world due to many uncontrollable physical dynamics, which pose security and safety threats in the real world. Current physical attack methods aim to generate robust physical adversarial examples by simulating all possible physical dynamics. If attacking a new image or a new DNN model, they require expensive manual efforts for simulating physical dynamics or considerable time for iteratively optimizing. To tackle these limitations, we propose a robust and generalized physical adversarial attack method with Meta-GAN (Meta-GAN Attack), which is able to not only generate robust physical adversarial examples, but also generalize to attacking novel images and novel DNN models by accessing a few digital and physical images. First, we propose to craft robust physical adversarial examples with a generative attack model via simulating color and shape distortions. Second, we formulate the physical attack as a few-shot learning problem and design a novel class-agnostic and model-agnostic meta-learning algorithm to solve this problem. Extensive experiments on two benchmark datasets with four challenging experimental settings verify the superior robustness and generalization of our method by comparing to state-of-the-art physical attack methods. The source code is released at github.
SMALL-SCALE SOLAR WIND TURBULENCE DUE TO NONLINEAR ALFVÉN WAVES

We present an evolution of wave localization and magnetic power spectra in solar wind plasma using kinetic Alfvén waves (AWs) and fast AWs. We use a two-fluid model to derive the dynamical equations of these wave modes and then numerically solve these nonlinear dynamical equations to analyze the power spectra and wave localization at different times. The ponderomotive force associated with the kinetic AW (or pump) is responsible for the wave localization, and these thin slabs (or sheets) become more chaotic as the system evolves with time until the modulational instability (or oscillating two-stream instability) saturates. From our numerical results, we notice a steepening of the spectra from the inertial range (k−1.67) to the dispersion range (k−3.0). The steepening of the spectra could be described as the energy transference from longer to smaller scales. The formation of complex magnetic thin slabs and the change of the spectral index may be considered to be the main reason for the charged particles acceleration in solar wind plasma.
Biocompatible Alginate Film Crosslinked with Ca2+ and Zn2+ Possesses Antibacterial, Antiviral, and Anticancer Activities

Alginate is a highly promising biopolymer due to its non-toxic and biodegradable properties. Alginate hydrogels are often fabricated by cross-linking sodium alginate with calcium cations and can be engineered with highly desirable enhanced physical and biological properties for biomedical applications. This study reports on the anticancer, antiviral, antibacterial, in vitro, and in vivo toxicity, water absorption, and compound release properties of an alginate hydrogel crosslinked with calcium and different amounts of zinc cations. The results showed that the calcium alginate hydrogel film crosslinked with the highest amount of zinc showed similar water sorption properties to those of calcium alginate and released a suitable amount of zinc to provide anticancer activity against melanoma and colon cancer cells and has antibacterial properties against methicillin-resistant Staphylococcus epidermidis and antiviral activity against enveloped and non-enveloped viruses. This film is non-toxic in both in vitro in keratinocyte HaCaT cells and in vivo in the Caenorhabditis elegans model, which renders it especially promising for biomedical applications.
The incidence of Iron Deficiency Anemia in Allergic Rhinitis patients in Qena University Hospital

Background: Allergic rhinitis is a common disease of immune origin. It affects the quality of life of patients negatively. Objectives: To evaluate the changes in iron profile in allergic rhinitis patients. Patients and methods : This study was conducted on thirty patients with allergic rhinitis. All of the participants were subjected to clinical evaluation and the following investigations: Complete blood picture, Serum ferritin, Serum iron and total iron binding capacity (TIBC) and IgE. Visual analogue scale (VAS) score was used to measure the severity of allergic rhinitis. Results : Among the studied patients, there were 18 males (60%) and 12 females (40%), the mean age of studied patients was 11.3 ± 4.2 (SD) years with mean onset age of 4.6 ± 3.01(SD) years and mean duration of disease of 6.7 ± 2.9 years. There were 8 patients (26.7%) with positive family history in the studied patients. The incidence of iron deficiency and iron deficiency anemia was significantly higher in children with severe allergic rhinitis compared with mild cases. Also we found statistically significant difference (p-value = 0.037) between mild, moderate & severe cases of allergic rhinitis as regard Hb, MCH, HCT, ferritin, serum iron and TIBC. A statistically significant difference (p-value = 0.015) was noted between mild, moderate & severe cases as regard IgE. Serum IgE is correlated with the severity of allergic rhinitis in children. Conclusion : Prevalence of iron deficiency anemia in pediatric patients with allergic rhinitis is higher than in patients without atopic disease. Iron deficiency anemia increases markedly with severity of allergic rhinitis. Serum IgE is correlated with the severity of allergic rhinitis in children.
X-ray cavities in the hot corona of the lenticular galaxy NGC 4477

NGC 4477 is a low-mass lenticular galaxy in the Virgo Cluster, residing at 100\,kpc to the north of M87. Using a total of 116\,ks {\sl Chandra} observations, we study the interplay between its hot ($\sim$0.3\,keV) gas halo and the central supermassive black hole. A possible cool core is indicated by the short cooling time of the gas at the galaxy centre. We identify a pair of symmetric cavities lying 1.1\,kpc southeast and 0.9\,kpc northwest of the galaxy centre with diameters of 1.3\,kpc and 0.9\,kpc, respectively. We estimate that these cavities are newly formed with an age of $\sim$4\,Myr. No radio emission is detected at the positions of the cavities with the existing VLA data. The total energy required to produce the two cavities is $\sim$$10^{54}$\,erg, at least two orders of magnitude smaller than that of typical X-ray cavities. NGC 4477 is arguably far the smallest system and the only lenticular galaxy in which AGN X-ray cavities have been found. It falls on the scaling relation between the cavity power and the AGN radio luminosity, calibrated for groups and clusters. Our findings suggest that AGN feedback is universal among all cool core systems. Finally, we note the presence of molecular gas in NGC~4477 in the shape of a regular disk with ordered rotation, which may not be related to the feedback loop.
Capacitance voltage profiling to determine doping in InAs/GaSb LWIR SL photodetector structures

The knowledge of carrier concentration of doped or non-intentionally doped layer structures grown by Molecular Beam Epitaxy (MBE) is crucial to fabricate and manage design of new advanced photodetectors called "barrier structures". This communication reports on capacitance-voltage (C-V) study on MOS structure. Simulation to define specific MOS design, allowing doping layer concentration extraction by measurements, is performed. MOS structures based on InAs/GaSb Longwave infrared (LWIR) superlattice have been fabricated and characterized. Results obtained were analyzed and compared with simulations.
A self-normalized central limit theorem for a ρ-mixing stationary sequence

ABSTRACT We investigate a self-normalized central limit theorem for a ρ-mixing stationary sequence {Xi, i ⩾ 1} of random variables such that L(x) ≔ E(X21I{|X1| ⩽ x}) is a slowly varying function as x → ∞. The results obtained generalize the results of Gine, Gotze, and Mason (1997) and Mason (2005) to ρ-mixing sequences.
Space Weather Monitor at the L5 Point: A Case Study of a CME Observed with STEREO B

An important location for future space weather monitoring is the Lagrange point 5 (L5) of the Sun‐Earth system. We test the performance of L5 for space weather monitoring using STEREO B observations of an Earth‐directed coronal mass ejection (CME), seen as a partial halo by SOHO at L1. STEREO B (located close to L5) continuously tracked the CME. By using these data in combination with methods to calculate the CME arrival time at the Earth (extrapolation, drag‐based model, and a magnetohydrodynamic model), we demonstrate that the estimation of the CME arrival time can be drastically improved by adding L5 data. Based on the L1 data alone, one could predict that the CME would arrive at the Earth. Using only the L5 data, one would not expect an arrival, as the estimations of the CME 3‐D configuration is uncertain. The combination of L1 and L5 data leads to an ambiguous prediction of the CME arrival due to low CME brightness in L1 data. To obtain an unambiguous prediction, one needs its 3‐D configuration, from observing the CME material close to the plane of the sky from at least two viewpoints (in this case L5 and, coincidentally, L4). This event demonstrates that L1 observations may be better to determine CME arrival, but L5 observations are superior for constraining arrival time. In this work, the advantages and caveats of using data from a space weather monitor at L5 for predicting interplanetary propagation of CMEs are discussed and demonstrated in a direct case study.
Analysis of Power Losses in Constrained Cycloid Drive

: The aim of this paper is to present a theoretical model for efficiency evaluation of a simple cycloid drive train with one degree of freedom (DOF) or constrained cycloid drive. In order to evaluate the efficiency, it is necessary to find the losses generated in the simple cycloid drive, where only losses depending on the load were considered. Expressions for determining speed ratios, efficiency, velocities and forces acting inside the cycloid drive are presented. These expressions are implemented in the theoretical model, where the places where the losses occur are defined. A computer program was created to facilitate analysis and obtain loss values based on different input data. Only load-dependent losses were considered in the theoretical model and computer program. In order to verify the theoretical model, experimental measurements were performed. A physical model of the simple cycloid drive train was created and analyzed on the test bench. The results for " S 1" operating mode, i.e. when shaft 2 is stopped, show a mean value of the efficiency of 63.49%, for experimental measurements, while the mean value for theoretical analysis is 65.25%. For the operating mode " S 2", i.e. with shaft 1 stopped, the mean value of the experimental measurements of the efficiency is 60.9%, while the theoretical mean value is 62.82%.