Miracle-dz/UniFAR-FTUs huggingface dataset:
ZERO PROPELLANT MANEUVER TM FLIGHT RESULTS FOR 180 ° ISS ROTATION

This paper presents results for the Zero Propellant Maneuver (ZPM) TM attitude control concept flight demonstration. On March 3, 2007, a ZPM was used to reorient the International Space Station 180 degrees without using any propellant. The identical reorientation performed with thrusters would have burned 110lbs of propellant. The ZPM was a pre-planned trajectory used to command the CMG attitude hold controller to perform the maneuver between specified initial and final states while maintaining the CMGs within their operational limits. The trajectory was obtained from a PseudoSpectral solution to a new optimal attitude control problem. The flight test established the breakthrough capability to simultaneously perform a large angle attitude maneuver and momentum desaturation without the need to use thrusters. The flight implementation did not require any modifications to flight software. This approach is applicable to any spacecraft that are controlled by momentum storage devices.
Concussion-Associated Polygenic Profiles of Elite Male Rugby Athletes

Due to the high-velocity collision-based nature of elite rugby league and union, the risk of sustaining a concussion is high. Occurrence of and outcomes following a concussion are probably affected by the interaction of multiple genes in a polygenic manner. This study investigated whether suspected concussion-associated polygenic profiles of elite rugby athletes differed from non-athletes and between rugby union forwards and backs. We hypothesised that a total genotype score (TGS) using eight concussion-associated polymorphisms would be higher in elite rugby athletes than non-athletes, indicating selection for protection against incurring or suffering prolonged effects of, concussion in the relatively high-risk environment of competitive rugby. In addition, multifactor dimensionality reduction was used to identify genetic interactions. Contrary to our hypothesis, TGS did not differ between elite rugby athletes and non-athletes (p ≥ 0.065), nor between rugby union forwards and backs (p = 0.668). Accordingly, the TGS could not discriminate between elite rugby athletes and non-athletes (AUC ~0.5), suggesting that, for the eight polymorphisms investigated, elite rugby athletes do not have a more ‘preferable’ concussion-associated polygenic profile than non-athletes. However, the COMT (rs4680) and MAPT (rs10445337) GC allele combination was more common in rugby athletes (31.7%; p < 0.001) and rugby union athletes (31.8%; p < 0.001) than non-athletes (24.5%). Our results thus suggest a genetic interaction between COMT (rs4680) and MAPT (rs10445337) assists rugby athletes in achieving elite status. These findings need exploration vis-à-vis sport-related concussion injury data and could have implications for the management of inter-individual differences in concussion risk.
International interlaboratory comparison of Raman spectroscopic analysis of CVD-grown graphene

There is a pressing need for reliable, reproducible and accurate measurements of graphene’s properties, through international standards, to facilitate industrial growth. However, trustworthy and verified standards require rigorous metrological studies, determining, quantifying and reducing the sources of measurement uncertainty. Towards this effort, we report the procedure and the results of an international interlaboratory comparison (ILC) study, conducted under Versailles Project on Advanced Materials and Standards. This ILC focusses on the comparability of Raman spectroscopy measurements of chemical vapour deposition (CVD) grown graphene using the same measurement protocol across different institutes and laboratories. With data gathered from 17 participants across academia, industry (including instrument manufacturers) and national metrology institutes, this study investigates the measurement uncertainty contributions from both Raman spectroscopy measurements and data analysis procedures, as well as provides solutions for improved accuracy and precision. While many of the reported Raman metrics were relatively consistent, significant and meaningful outliers occurred due to differences in the instruments and data analysis. These variations resulted in inconsistent reports of peak intensity ratios, peak widths and the coverage of graphene. Due to a lack of relative intensity calibration, the relative difference reported in the 2D- and G peak intensity ratios ( I2D/IG ) was up to 200%. It was also shown that the standard deviation for Γ2D values reported by different software packages, was 15× larger for Lorentzian fit functions than for pseudo-Voigt functions. This study has shown that by adopting a relative intensity calibration and consistent peak fitting and data analysis methodologies, these large, and previously unquantified, variations can be significantly reduced, allowing more reproducible and comparable measurements for the graphene community, supporting fundamental research through to the growing graphene industry worldwide. This project and its findings directly underpin the development of the ISO/IEC standard ‘DTS 21356-2—Nanotechnologies—Structural Characterisation of CVD-grown Graphene’.
Modeling of an Integrated Energy Efficient Conveyor System Model using Belt Loading Dynamics

Objectives: From an industry specific perspective, there is continuous pressure on manufacturing companies to reduce the operating expenditure by reducing the electricity cost by developing the energy efficient equipment and products especially conveyor systems. Methods/Statistical Analysis: Conveyor belts are the material handling equipment that is widely used in industry to move the material from the one place to another or from one process to next process. Conveyors are generally driven with electric motors. Conveyor systems are the one of the major consumers of electricity industries, which consumes up to 40% electricity of the total operating cost, while the remaining 60% is due to operational costs and maintenance. Findings: In this work, efficiency of a conveyor system is evaluated by integrating all the factors that have an influence on the electricity costs of the conveyor system. Using variable speed drive mechanism, an energy efficient conveyor system is developed by physically modeling the speed of the belt and conveyor loading dynamics mechanism under no load, marginally loaded and full loaded conditions. For the energy efficient conveyor system, different start-up of conveyor methods are evaluated as a baseline reason of generating the motor torque in comparison to rated voltage as an optimal energy management tool to develop a relationship across the power consumption, conveyor belt speed and belt loading dynamics. Application/Improvements: The design of energy efficient conveyor system model by controlling multiple drive units in industrial units.
Zeolite-Supported Aggregate as Potential Antimicrobial Agents in Gypsum Composites

Relatively easy treatment of glass aggregates can lead to the formation of a highly porous zeolite aggregate. This study focuses on the possibility of using such an aggregate as an active additive to a gypsum binder. The physical properties of hardened gypsum composites with zeolite fillers doped with various metal ions (Ni2+, Cu2+, and Zn2+) have been compared. In addition to studies of the basic physical properties of the composites, structural and microstructural studies as well as antimicrobial tests were performed. It was found that the parameters of the composites with the addition of various ions do not differ significantly from the reference but modifies the microstructure. Among other things, the ions analyzed reduce the microporosity of gypsum composites. Using all aggregates, a product with adequate strength (above 2 MPa) and thermal conductivity (about 0.35 W/m·K) appropriate for typical lightweight gypsum composites can be obtained. The bacteriostatic effect of formulations with copper and zinc against Escherichia coli and with copper against Staphylococcus aureus was found.
Enhanced dielectric response and non-Ohmic properties of Ge-doped CaTiO3/CaCu3Ti4O12

ABSTRACT We present a method for increasing the dielectric constant of CaTiO3/CaCu3Ti4O12 (CTO/CCTO) composites and retaining a low-loss tangent (tanδ) by doping with Ge dopant. The Ge-doped CTO/CCTO composites were fabricated using a one-step processing method. The phase composition and microstructure analyses confirmed the existence of CTO and CCTO phases, in which Ge doping ions can be substituted into both phases. The mean grain sizes of the two phases were slightly reduced by decreasing the porosity. Doping the CTO/CCTO with Ge doping ions resulted in a high dielectric constant by ~ two times, while a very low tanδ value of ~0.01 did not change. Furthermore, the dielectric constant changed by less than ±15% in the temperature range of −60 – 150°C. The nonlinear current density–electric field properties of CTO/CCTO can also be enhanced. Impedance spectroscopy showed a heterogeneous microstructure with enhanced grain boundary properties after doping with Ge dopants, giving rise to enhanced nonlinear electrical properties. The decreased grain resistivity due to Ge substitution is confirmed to originate from the increase in the Ti3+/Ti4+ ratio, which was analyzed using X–ray photoelectron spectroscopy .
The Human Meconium Metabolome and Its Evolution during the First Days of Life

Meconium represents the first newborn stools, formed from the second month of gestation and excreted in the first days after birth. As an accumulative and inert matrix, it accumulates most of the molecules transferred through the placenta from the mother to the fetus during the last 6 months of pregnancy, and those resulting from the metabolic activities of the fetus. To date, only few studies dealing with meconium metabolomics have been published. In this study, we aimed to provide a comprehensive view of the meconium metabolic composition using 33 samples collected longitudinally from 11 healthy newborns and to analyze its evolution during the first 3 days of life. First, a robust and efficient methodology for metabolite extraction was implemented. Data acquisition was performed using liquid chromatography coupled to high-resolution mass spectrometry (LC-HRMS), using two complementary LC-HRMS conditions. Data preprocessing and treatment were performed using the Workflow4Metabolomics platform and the metabolite annotation was performed using our in-house database by matching accurate masses, retention times, and MS/MS spectra to those of pure standards. We successfully identified up to 229 metabolites at a high confidence level in human meconium, belonging to diverse chemical classes and from different origins. A progressive evolution of the metabolic profile was statistically evidenced, with sugars, amino acids, and some bacteria-derived metabolites being among the most impacted identified compounds. Our implemented analytical workflow allows a unique and comprehensive description of the meconium metabolome, which is related to factors, such as maternal diet and environment.
Extended oral care can prevent oral mucositis in immunocompromised acute lymphoblastic leukemia ghildren

Background : Oral mucositis is a serious complication of chemotherapy. The incidence of chemotherapy induced mucositis ranges from 40%-76% with many studies suggesting that children are more susceptible than adults. Aim: We aimed at evaluating pretreatment dental rehabilitation in protecting from oral mucositis in acute lymphoblastic leukemia children. Patients and Methods: An open labeled randomized controlled study including 50 newly diagnosed patients with dental caries was conducted. They were classified into a group (A) using standard oral care and group (B) undergoing extended oral care using dental rehabilitation by a pediatric dentist before induction chemotherapy. Results: No differences were observed between both groups regarding mucositis development or severity. Mucositis was more among patients with lower neutrophil count, platelet count and poor compliance to daily oral care (P value <0.001, 0.01 and <0.001) respectively. A positive correlation between mucositis grade and Decayed; Missing and Filled Teeth (DMFT) score and a negative correlation between mucositis grade and neutrophil count were noticed with statistical significance. Conclusion: Although dental rehabilitation before induction chemotherapy did not seem to reduce either the occurrence or grade of oral mucositis, the positive correlation between mucositis severity and DMF score supports the importance of pretreatment dental assessment and rehabilitation in such immunocompromised patients. Neutropenia, thrombocytopenia and poor oral care were found to be risk factors for oral mucositis.
Best practice recommendations for healthy work environments for nurses: An integrative literature review

Healthy work environments that maximise the health and well-being of nurses are essential in achieving good patient and societal outcomes, as well as optimal organisational performance. While studies have been conducted on healthy work environments, there is no available evidence that an integrative literature review summarising best-practice recommendations related to healthy work environments has been conducted before. This review aimed to summarise existing best-practice recommendations related to a healthy work environment for nurses. An integrative literature review following the approach adapted from Whittemore and Knafl was used. Existing guidelines related to healthy work environments for nurses were searched. EBSCOhost (CINAHL, Medline), Biomed Central, Science Direct, PubMed and Google Scholar and organisational websites via Google were searched, followed by a citation search. Twelve guidelines were identified for data extraction and synthesis, and themes were subsequently formulated. Four themes emerged from the integrative literature review regarding a healthy work environment for nurses: (1) the need for effective nursing leadership, (2) effective communication as central to enhancement of a healthy environment, (3) effective teamwork as an integral part of a healthy work environment and (4) the need for professional autonomy. In summary, a healthy work environment for nurses requires leadership, effective communication, teamwork and professional autonomy. Contribution The findings can be used to conduct quality studies related to healthy work environments for nurses in comprehensive health care settings, particularly those dealing with resource constraints. This can inform evidence-based recommendations and guidelines in these settings, as such guidelines are currently lacking.
Effects of Aroma Foot Massage on Sleep Quality and Constipation Relief among the Older Adults Living in Residential Nursing Facilities

This study focused on the effects of aroma foot massage on sleep quality and constipation relief among older adult residents in nursing facilities. This research used a non-equivalent control group and a quasi-experimental design. The participants included 40 older adults aged ≥70 years residing in two nursing facilities in Seoul City. The aroma foot massage nursing intervention consisted of a preparation stage using jojoba carrier (aroma recipe) oil and lavender oil, an aroma foot massage stage, and a finishing stage. Sleep quality scores after the experiment increased by 3.72 at post-test (M = 38.44) compared to pre-test (M = 34.72), which confirmed that sleep quality improved significantly following intervention in the experimental group as compared to the control group (F = 14.45, p = 0.001). Furthermore, the frequency of defecation in the experimental group was significantly higher than that in the control group (Z = −3.93, p < 0.001). Similarly, the constipation assessment scores decreased at post-test significantly by 2.39 in the experimental group as compared to the control group (F = 17.87, p < 0.001). These results confirm that aroma foot massage is an effective nursing intervention for alleviating constipation symptoms and improving sleep quality. Therefore, we recommend that aroma foot massage be used as a complementary intervention in combination with drug-based treatment to improve sleep quality and relieve the constipation symptoms experienced by older adults living in nursing facilities.
Impact of Dietary Fiber (Inulin and Resistant Starch) on the Quality Parameters of Low Fat Cheddar Cheese from Buffalo Milk

bulking agent for fat replacement, textural modifications and organoleptic improvements. Hence, these can be fruitfully be used in manufacturing different kind of cheeses to have reduced or low fat, texturized or symbiotic product. Present study designed to evaluate the effect of different levels of inulin and resistant starch in low fat cheddar cheese to improve its quality. Different levels have significant effect on the physic-chemical (moisture, fat, protein, ash,) characters. Melt-ability and flow-ability showed inverse relationship with levels of inulin. Melt-ability and flow-ability decreased by increasing level and increasing hardness. Yield calculation showed non-significant effect within levels but significant effect as compared with control. The fat substituting property is based on its ability to stabilize the structure of aqueous phase which creates an improved creaminess. The addition of inulin and resistant starch as fat replacement improved the sensory characteristics of low fat cheese samples when added up to the level of 0.5% and 1.0%, respectively.
First molecular investigation John's disease (paratuberculosis) in water buffalo in Iraq

This study was conducted to exam 100 fecal samples and 50 tissue samples from (100 ) buffaloes above one years at different villages and townships in Al-Najaf governorate from (January 2020 to January 2021) to detect of specific insertion Sequence IS900 in Mycobacterium paratuberculosis (John's disease) nested PCR. Out of 150 (100 fecal and 50 tissue) samples tested by Nested PCR, 14(9.3%) were positive for IS900 specific gen, Significant difference at P<0.05 in molecular result were observed between tissues and fecal samples. The molecular results revealed that 6(6%) out of 100 fecal sample were positive, while 8(16%) of tissue sample were positive for IS900 specific gen . There was no significant difference at P<0.05 in relationship between age gender and location with paratuberculosis prevalence.
Performance analysis of a generalised radiative heat engine based on new maximum efficient power density approach

ABSTRACT Efficient power density (EPD), defined as the ratio of efficient power to the maximum volume of working fluid, is taken as the objective for performance analysis and optimisation of an internally and externally irreversible radiative Carnot heat engine model from the viewpoint of finite-time thermodynamics or entropy generation minimisation. Maximising the value of EPD gives maximum efficient power density (MEPD). Results obtained are compared with those obtained using maximum efficient power (MEP) criteria, maximum power density (MPD) criteria and maximum power (MP) criteria. The results showed that the engine design at MEPD conditions has an advantage of smaller size and is more efficient than those designed at MP, MPD and MEP conditions.
Fluorescent Imaging of Extracellular Fungal Enzymes Bound onto Plant Cell Walls

Lignocelluloytic enzymes are industrially applied as biocatalysts for the deconstruction of recalcitrant plant biomass. To study their biocatalytic and physiological function, the assessment of their binding behavior and spatial distribution on lignocellulosic material is a crucial prerequisite. In this study, selected hydrolases and oxidoreductases from the white rot fungus Phanerochaete chrysosporium were localized on model substrates as well as poplar wood by confocal laser scanning microscopy. Two different detection approaches were investigated: direct tagging of the enzymes and tagging specific antibodies generated against the enzymes. Site-directed mutagenesis was employed to introduce a single surface-exposed cysteine residue for the maleimide site-specific conjugation. Specific polyclonal antibodies were produced against the enzymes and were labeled using N-hydroxysuccinimide (NHS) ester as a cross-linker. Both methods allowed the visualization of cell wall-bound enzymes but showed slightly different fluorescent yields. Using native poplar thin sections, we identified the innermost secondary cell wall layer as the preferential attack point for cellulose-degrading enzymes. Alkali pretreatment resulted in a partial delignification and promoted substrate accessibility and enzyme binding. The methods presented in this study are suitable for the visualization of enzymes during catalytic biomass degradation and can be further exploited for interaction studies of lignocellulolytic enzymes in biorefineries.
Effect of Basic Ethical Principles on the Quality of Assessment (Study on Appraisers in North Sumatra and Aceh Provinces)

This study examines the influence of fundamental ethical principles on the quality of assessment by using five compounds of basic ethical principles, namely integrity, Objectivity, Competence, Confidentiality, and Professional Behavior, as independent variables, while quality is a dependent variable. The population in this study is 31 (thirty-one) Public Assessment Service Offices (KJPP) registered in the Provinces of North Sumatra and Aceh in 2021, with a total number of appraisers as many as 178 people who are willing to fill out questionnaires, so the sample selection method used is the saturated sample method/census. The population in this study was 178 appraisers, and all of them were used as samples. The analysis method uses multiple linear regression, F test, T-test, and determination coefficient test (R2) with a classical assumption test research model. The results of this study, both partially and simultaneously, integrity, Objectivity, Competence, Confidentiality, and Professional Behavior have a positive and significant effect on the quality of assessment. The principle of professional conduct is a component of the basic code of ethics that has the strongest positive and significant influence on the quality of judgment. The result of the analysis of the coefficient of determination is 51.4%, of which there are still 48.6% explained by other factors.