bluuebunny/crossref_metadata_2025 huggingface dataset:
Potential Predictors of Psychological Wellbeing in Elementary School Students
Authors: Chen Jun , Wang Xiaozan , Wu Shijun , Zhong Jiarong , Chen Weiyun
Published: September 2021

Background: This study aimed to investigate the association of elementary school students’ manipulative skill competency, cardiorespiratory fitness, and cognitive function with psychological wellbeing (PWB), as well as whether the association had gender differences. Methods: Participants were 291 fourth-grade students (166 boys vs. 125 girls; mean age = 9.770 years old; SD = 0.584) at two elementary schools from the province of Henan in China. The students’ soccer skills in manipulative skill competency were assessed using the PE Metric Assessment Rubric, cardiorespiratory fitness was assessed by means of the PACER 15 m test, and cognitive function and PWB were assessed using the d2 test of attention and Warwick–Edinburgh Mental Wellbeing Scale, respectively. Data were analyzed with descriptive statistics and multiple linear regression models. Results: The result of linear regression models showed that soccer skills, cardiorespiratory fitness, and cognitive function were collectively associated with PWB for the total sample (F (5, 285) = 3.097, p < 0.01), boys (F (5, 160) = 1.355, p < 0.01), and girls (F (5, 119) = 2.132, p < 0.01). Furthermore, the standardized regression coefficients (β) indicated that cardiorespiratory fitness was the only significant contributor to PWB for the total sample (β = 0.119, t = 2.021, p < 0.05), but not for boys and girls. Soccer skills and cognitive function were not individual significant contributors to PWB for the total sample, boys, and girls. Conclusions: Cardiorespiratory fitness was significantly associated with PWB, and there were no gender differences in the relationship of manipulative skill competency, cardiorespiratory fitness, and cognitive function with PWB in elementary school students. This study provides empirical evidence that improving cardiorespiratory fitness is an important intervention strategy to promote elementary school students’ PWB.
Carbon Dot/Polymer Composites with Various Precursors and Their Sensing Applications: A Review
Authors: Zulfajri Muhammad , Sudewi Sri , Ismulyati Sri , Rasool Akhtar , Adlim Muhammad , Huang Genin Gary
Published: September 2021

Carbon dots (CDs) have generated much interest because of their significant fluorescence (FL) properties, extraordinary photophysical attributes, and long-term colloidal stability. CDs have been regarded as a prospective carbon nanomaterial for various sensing applications because of their low toxicity, strong and broad optical absorption, high chemical stability, rapid transfer properties, and easy modification. To improve their functionality, CD/polymer composites have been developed by integrating polymers into CDs. CD/polymer composites have diversified because of their easy preparation and applications in sensing, optoelectronics, semiconductors, molecular delivery, and various commercial fields. Many review articles are available regarding the preparation and applications of CDs. Some review articles describing the production and multiple applications of the composites are available. However, no such article has focused on the types of precursors, optical properties, coating characteristics, and specific sensing applications of CD/polymer composites. This review aimed to highlight and summarize the current progress of CD/polymer composites in the last five years (2017–2021). First, we overview the precursors used for deriving CDs and CD/polymer composites, synthesis methods for preparing CDs and CD/polymer composites, and the optical properties (absorbance, FL, emission color, and quantum yield) and coating characteristics of the composites. Most carbon and polymer precursors were dominated by synthetic precursors, with citric acid and polyvinyl alcohol widely utilized as carbon and polymer precursors, respectively. Hydrothermal treatment for CDs and interfacial polymerization for CDs/polymers were frequently performed. The optical properties of CDs and CD/polymer composites were almost identical, denoting that the optical characters of CDs were well-maintained in the composites. Then, the chemical, biological, and physical sensing applications of CD/polymer composites are categorized and discussed. The CD/polymer composites showed good performance as chemical, biological, and physical sensors for numerous targets based on FL quenching efficiency. Finally, remaining challenges and future perspectives for CD/polymer composites are provided.
Design of a Fast Temporary Fastener with the Labor-Saving and Reversible Ability
Authors: Tang Wei , Xie Xincheng , Ye Yukang , Qu Weiwei
Published: September 2021

Aircraft panel assembly mainly includes the pre-joining process and the riveting process. In addition, the traditional pre-joining process is mainly executed by bolts, which has problems such as the large tightening torque, inconvenient bilateral tightening, heavy workload, and inconvenient loading and unloading. To solve the above-mentioned problems, a research of new temporary fastener is performed deeply from three levels of quick installation, labor-saving, and reversible ability. This involves (a) employing the lever mechanism and the rapid expansion anchor to implement the rapid clamping and disassembly of working processes by labor-saving; (b) integrating the adjusting spring to overcome the tolerances of parts; and (c) building up the space-cross slide rails to provide the axial clamping forces and the reversible forces. The application of designed fasteners was employed into the production of aircraft panel, and the error between theoretical and experimental values was less than 10%. Besides this, the result showed the good effect in panel clamping and the reliable processes of loading and unloading installation, and will greatly reduce the complexity of pre-joining process, the difficulty of installation, and the comprehensive cost.
Efficacy and Safety of Topical Dexpanthenol-Containing Spray and Cream in the Recovery of the Skin Integrity Compared with Petroleum Jelly after Dermatologic Aesthetic Procedures
Authors: Addor Flávia Alvim Sant’Anna , de Souza Maurício Cândido , Trapp Sonja , Peltier Erwan , Canosa Juliana Machado
Published: September 2021

Moisturizers are commonly prescribed after laser and chemical peel aesthetic procedures, but the evidence regarding their efficacy and safety of such use is scarce. We conducted four single-blind, three-week, controlled studies to evaluate the efficacy and safety of topical Dexpanthenol-containing products (Bepantol® spray and Bepantol® cream) using petroleum jelly as a positive control. Skin recovery was assessed after four aesthetic procedures: (1) non-ablative facial laser resurfacing, (2) laser depilation on the external genital and inguinal regions, (3) chemical peel on the external genital and inguinal regions, and (4) ablative facial laser resurfacing. Efficacy was assessed through transepidermal water loss (TEWL) combined with clinical assessment of the skin by the investigators and the participants. In studies (1) and (4), the erythema intensity was evaluated by measuring dermal temperature with a thermal imaging camera. Safety was assessed through adverse event reporting and acceptability through a questionnaire. Dexpanthenol-containing products significantly decreased TEWL and dermal temperature, therefore maintaining skin integrity, promoting its recovery, and reducing erythema. No statistical differences with the positive control were observed. In addition, Dexpanthenol-containing products were well appreciated by the participants from a sensory perspective. These findings suggest that these Dexpanthenol-containing products are adequate for post-procedural care in aesthetic dermatology.
Perception and Correlation of Dairy Cattle Farmers Concerning Electronic Media as a Source of Information in Punjab, Pakistan
Authors: Asghar Salman , Ashraf Ijaz , Cabrera Victor E. , Chaudhary Khalid Mahmood , Bilal Muhammad Qamar
Published: September 2021

Pakistan is ranked fourth among all the milk-producing countries across the globe. Despite this, livestock farm families are often located far from potential locations for dairy production. This gap exists due to a lack of information regarding recommended dairy production practices. In this modern era, the provision of information necessary for enhanced dairy production could be achieved through the effective use of electronic media. The present study was confined to the district of Faisalabad due to our limited time and economic resources. We aimed to identify farmers’ perceptions of the use of electronic media as a source of reliable information. A total of 165 dairy farmers participated in this research survey after being selected using a simple random sampling technique. The findings of the present research study indicate that a lack of education followed by male–female influences the adoption of electronic media as a potential information tool. The use of mobile phones for obtaining necessary information, on the other hand, was ranked the highest among dairy farmers. It is recommended that dairy farmers’ training includes the effective use of electronic media so that they may equip themselves with advanced dairy production information.
Thermodynamics of Reduced State of the Field
Authors: Cusumano Stefano , Rudnicki Łukasz
Published: September 2021

Recent years have seen the flourishing of research devoted to quantum effects on mesoscopic and macroscopic scales. In this context, in Entropy 2019, 21, 705, a formalism aiming at describing macroscopic quantum fields, dubbed Reduced State of the Field (RSF), was envisaged. While, in the original work, a proper notion of entropy for macroscopic fields, together with their dynamical equations, was derived, here, we expand thermodynamic analysis of the RSF, discussing the notion of heat, solving dynamical equations in various regimes of interest, and showing the thermodynamic implications of these solutions.
A Comparative Performance Analysis of Zero Voltage Switching Class E and Selected Enhanced Class E Inverters
Authors: Ashique Ratil H. , Maruf Md Hasan , Sourov Kazi Md Shahnawaz Habib , Islam Md Mahadul , Islam Aminul , Rabbani Mamun , Islam Md Rasidul , Khan Mohammad Monirujjaman , Shihavuddin ASM
Published: September 2021

This paper presents a comparative analysis of the class E and selected enhanced class E inverters, namely, the second and third harmonic group of class EFn, E/Fn and the class E Flat Top inverter. The inverters are designed under identical specifications and evaluated against the variation of switching frequency (f), duty ratio (D), capacitance ratio (k), and the load resistance (RL). To offer a comparative understanding, the performance parameters, namely, the power output capability, efficiency, peak switch voltage and current, peak resonant capacitor voltages, and the peak current in the lumped network, are determined quantitatively. It is found that the class EF2 and E/F3 inverters, in general, have higher efficiency and comparable power output capability with respect to the class E inverter. More specifically, the class EF2 (parallel LC and in series to the load network) and E/F3 (parallel LC and in series to the load network) maintain 90% efficiency compared to 80% for class E inverter at the optimum operating condition. Furthermore, the peak switch voltage and current in these inverters are on average 20–30% lower than the class E and other versions for k > 1. The analysis also shows that the class EF2 and E/F3 inverters should be operated in the stretch of 1 < k < 5 and D = 0.3–0.6 at the optimum load to sustain the high-performance standard.
Hydraulic Fracturing in Enhanced Geothermal Systems—Field, Tectonic and Rock Mechanics Conditions—A Review
Authors: Moska Rafał , Labus Krzysztof , Kasza Piotr
Published: September 2021

Hydraulic fracturing (HF) is a well-known stimulation method used to increase production from conventional and unconventional hydrocarbon reservoirs. In recent years, HF has been widely used in Enhanced Geothermal Systems (EGS). HF in EGS is used to create a geothermal collector in impermeable or poor-permeable hot rocks (HDR) at a depth formation. Artificially created fracture network in the collector allows for force the flow of technological fluid in a loop between at least two wells (injector and producer). Fluid heats up in the collector, then is pumped to the surface. Thermal energy is used to drive turbines generating electricity. This paper is a compilation of selected data from 10 major world’s EGS projects and provides an overview of the basic elements needed to design HF. Authors were focused on two types of data: geological, i.e., stratigraphy, lithology, target zone deposition depth and temperature; geophysical, i.e., the tectonic regime at the site, magnitudes of the principal stresses, elastic parameters of rocks and the seismic velocities. For each of the EGS areas, the scope of work related to HF processes was briefly presented. The most important HF parameters are cited, i.e., fracturing pressure, pumping rate and used fracking fluids and proppants. In a few cases, the dimensions of the modeled or created hydraulic fractures are also provided. Additionally, the current state of the conceptual work of EGS projects in Poland is also briefly presented.
Growth Performance, Feed Utilization, Gut Integrity, and Economic Revenue of Grey Mullet, Mugil cephalus, Fed an Increasing Level of Dried Zooplankton Biomass Meal as Fishmeal Substitutions
Authors: Abo-Taleb Hamdy , El-feky Mohamed , Azab Ahmad , Mabrouk Mohamed , Elokaby Mohamed , Ashour Mohamed , Mansour Abdallah , Abdelzaher Othman , Abualnaja Khamael , Sallam Ahmed
Published: September 2021

Fishmeal is the most expensive feedstuff in the aquafeed and one of the most environmentally limiting factor of aquaculture development. Therefore, the search for alternative protein sources is a continuous process. The present feeding trial was conducted to evaluate the effects of replacing fishmeal with zooplankton biomass meal (ZBM) on the growth performance, nutrient utilization, intestine, and liver histological changes of grey mullet, Mugil cephalus (initial weight of 0.10 ± 0.01 g). Five isoproteic (35% crude protein) and isolipidic (8% crude lipid) diets were formulated as the control diet (Z0) and the other four diets (Z25, Z50, Z75, and Z100), where 25%, 50%, 75%, and 100% of fishmeal was replaced by ZBM, respectively. After 60 days of feeding, the final weight, weight gain, and daily growth index of the grey mullet fed the Z100 diet were higher than those fed the control diet (p < 0.05). In addition, the better values of feed conversion ratio, protein efficiency ratio and lipid efficiency ratio were recorded in the fish fed with the Z100 diet. Additionally, the intestinal villus length, crypts depth, and muscle thickness were significantly improved with ZBM inclusion (p < 0.05). Meanwhile, there were no histopathological changes observed on the liver when compared with the control group. From the economic point of view, dietary substitution of fishmeal by ZBM (Z100) reduced the cost of diet formulation by 18% and the price per kg weight gain by about 40%. Overall, according to the findings of this study, substituting fishmeal with ZBM up to 100% could improve growth performance, feed utilization, gut health status, and profit ability of rearing M. cephalus juveniles.
Administration of Ligilactobacillus salivarius MP101 in an Elderly Nursing Home during the COVID-19 Pandemic: Immunological and Nutritional Impact
Authors: Mozota Marta , Castro Irma , Gómez-Torres Natalia , Arroyo Rebeca , Lailla Yolanda , Somada Mario , Alba Claudio , Rodríguez Juan Miguel
Published: September 2021

The elderly population living in nursing homes is particularly vulnerable to COVID-19 although individual susceptibility to SARS-CoV-2 infection may be related to the host microbiota. The objective of this work was to investigate the effect of Ligilactobacillus salivarius MP101 on the functional (Barthel index), cognitive (GDS/FAST), and nutritional (MNA) status as well as on the nasal and fecal inflammatory profiles of elderly residents living in a nursing home that is highly affected by COVID-19. A total of 25 residents participated in the trial, which involved the daily ingestion of a dairy product (L. salivarius MP101: 9.3 log10 CFU per unit) for 4 months. Nasal and fecal samples were analyzed for 37 immune factors at recruitment and at the end of the study. After the trial, no change in the GDS/FAST scores were found but, in contrast, the values for the Barthel index and the MNA score improved significantly. The concentrations of some immune factors changed significantly after the trial, including a decrease in the concentrations of BAFF/TNFSF13B, APRIL/TNFSF13, IL8, IL31, osteopontin, sTNF-R1, and sTNF-R2, and an increase in chitinase 3-like 1, IL19, IL35, and pentraxin 3 was also observed. In conclusion, L. salivarius MP101 seems to be a promising strain for improving or maintaining health in this highly vulnerable population.
Spatial Frequency Domain Imaging System Calibration, Correction and Application for Pear Surface Damage Detection
Authors: Luo Yifeng , Jiang Xu , Fu Xiaping
Published: September 2021

Spatial frequency domain imaging (SFDI) is a non-contact wide-field optical imaging technique for optical property detection. This study aimed to establish an SFDI system and investigate the effects of system calibration, error analysis and correction on the measurement of optical properties. Optical parameter characteristic measurements of normal pears with three different damage types were performed using the calibrated system. The obtained absorption coefficient μa and the reduced scattering coefficient μ’s were used for discriminating pears with different surface damage using a linear discriminant analysis model. The results showed that at 527 nm and 675 nm, the pears’ quadruple classification (normal, bruised, scratched and abraded) accuracy using the SFDI technique was 92.5% and 83.8%, respectively, which has an advantage compared with the conventional planar light classification results of 82.5% and 77.5%. The three-way classification (normal, minor damage and serious damage) SFDI technique was as high as 100% and 98.8% at 527 nm and 675 nm, respectively, while the classification accuracy of conventional planar light was 93.8% and 93.8%, respectively. The results of this study indicated that SFDI has the potential to detect different damage types in fruit and that the SFDI technique has a promising future in agricultural product quality inspection in further research.
Impact of Pressurized Liquid Extraction and pH on Protein Yield, Changes in Molecular Size Distribution and Antioxidant Compounds Recovery from Spirulina
Authors: Zhou Jianjun , Wang Min , Carrillo Celia , Zhu Zhenzhou , Brncic Mladen , Berrada Houda , Barba Francisco J.
Published: September 2021

The research aims to extract nutrients and bioactive compounds from spirulina using a non-toxic, environmentally friendly and efficient method—Pressurized Liquid Extraction (PLE). In this work, Response Surface Methodology (RSM)–Central Composite Design (CCD) was used to evaluate and optimize the extraction time (5–15 min), temperature (20–60 °C) and pH (4–10) during PLE extraction (103.4 bars). The multi-factor optimization results of the RSM-CCD showed that under the pressure of 103.4 bars, the optimal conditions to recover the highest content of bioactive compounds were 10 min, 40 °C and pH 4. Furthermore, the compounds and antioxidant capacity of PLE and non-pressurized extraction extracts were compared. The results showed that under the optimal extraction conditions (10 min, 40 °C and pH 4), PLE significantly improved the antioxidant capacity (2870.5 ± 153.6 µM TE), protein yield (46.8 ± 3.1%), chlorophyll a (1.46 ± 0.04 mg/g), carotenoids (0.12 ± 0.01 mg/g), total polyphenols (11.49 ± 0.04 mg/g) and carbohydrates content (78.42 ± 1.40 mg/g) of the extracts compared with non-pressurized extraction (p < 0.05). The protein molecular distribution of the extracts was analyzed by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE), and the results showed that there were more small-molecule proteins in PLE extracts. Moreover, Liquid Chromatography Triple Time of Flight Mass Spectrometry (TOF–LC–MS–MS) was used to analyze the phenolic profile of the extracts, and the results showed the extracts were rich on phenolic compounds, such as p-coumaric acid and cinnamic acid being the predominant phenolic compounds in the PLE extract. This indicates that PLE can promote the extraction of bioactive compounds from Spirulina, which is of great significance for the application of PLE technology to obtain active substances from marine algae resources.
Antioxidants Bioaccessibility and Lactobacillus salivarius (CECT 4063) Survival Following the In Vitro Digestion of Vacuum Impregnated Apple Slices: Effect of the Drying Technique, the Addition of Trehalose, and High-Pressure Homogenization
Authors: Burca-Busaga Cristina Gabriela , Betoret Noelia , Seguí Lucía , García-Hernández Jorge , Hernández Manuel , Barrera Cristina
Published: September 2021

To benefit the health of consumers, bioactive compounds must reach an adequate concentration at the end of the digestive process. This involves both an effective release from the food matrix where they are contained and a high resistance to exposure to gastrointestinal conditions. Accordingly, this study evaluates the impact of trehalose addition (10% w/w) and homogenization (100 MPa), together with the structural changes induced in vacuum impregnated apple slices (VI) by air-drying (AD) and freeze-drying (FD), on Lactobacillus salivarius spp. salivarius (CECT 4063) survival and the bioaccessibility of antioxidants during in vitro digestion. Vacuum impregnated apple slices conferred maximum protection to the lactobacillus strain during its passage through the gastrointestinal tract, whereas drying with air reduced the final content of the living cells to values below 10 cfu/g. The bioaccessibility of antioxidants also reached the highest values in the VI samples, in which the release of both the total phenols and total flavonoids to the liquid phase increased with in vitro digestion. The addition of trehalose and homogenization at 100 MPa increased the total bioaccessibility of antioxidants in FD and AD apples and the total bioaccessibility of flavonoids in the VI samples. Homogenizing at 100 MPa also increased the survival of L. salivarius during in vitro digestion in FD samples.
Why Disaster Subcultures Matter: A Tale of Two Communities: How and Why the 2007 Western Solomon Islands Tsunami Disaster Led to Different Outcomes for Two Ghizo Communities
Authors: Hagen Kim , Petterson Michael G. , Humphreys David , Clark Nigel
Published: September 2021

At 07:45 a.m. on 2 April 2007, a tsunami hit Ghizo Island, western Solomon Islands in the south-west Pacific. Thirty-three people died on Ghizo, of whom 31 originated from a relatively small migrant Gilbertese community (transmigrated in the 1950s–1970s from Kiribati), while only two were from the majority Melanesian community. This paper documents an extensive 4-year study that addresses the potential core reasons for this asymmetrical casual impact. Community-participatory social science research was undertaken in two Gilbertese villages and two Melanesian villages. The four villages had similar spatial vulnerabilities due to their coastal location, although they had variable access to the safer higher ground. Gilbertese villages had less diverse ocean-reliant livelihoods, a limited knowledge of hinterland bush resource utilisation, uncertainties regarding land rights, and perceived ethnic discrimination. Melanesian villages had strong wantok and kastom social reciprocity cultures, a diverse set of livelihoods, wider social capital with other Melanesian communities, and greater security regarding land rights. This paper argues that these key factors—linked to the lower status as a migrant community of the Gilbertese, a limited sharing of knowledge between communities, government blind spots and power hierarchies—explain both the disproportionate impacts of the disaster and issues that impact longer-term aid intervention and social cohesion.
Reliability and Validity of the Korean Late-Life Function and Disability Instrument
Authors: Park Da Sol , Park Hae Yean
Published: September 2021

The purpose of this study was to develop the Korean version of the Late-Life Function and Disability Instrument (K-LLFDI) and verify its reliability and validity. Fifty community-dwelling older adults aged 65 years and above with independent mobility were surveyed. The reliability and validity of the instrument were verified. The overall cultural validity of 48 items was evaluated as very high (0.95), and only one item that was not appropriate was revised. The reliability of the remaining six domains was either high or very high. Internal consistency was high (α = 0.859) in the Disability component of the instrument and very high (α = 0.914) in the Function component. The factor loading for 42 out of 48 items was above 0.04. Overall, each component was well reflected by the sub-items. The K-LLFDI is expected to be instrumental in solving the rapidly growing problems of community-dwelling older adults.
Traditional and Modern Plasters for Built Heritage: Suitability and Contribution for Passive Relative Humidity Regulation
Authors: Ranesi Alessandra , Faria Paulina , Veiga Maria do Rosário
Published: September 2021

Plasters have covered wide surface areas of buildings since antiquity, with a main purpose of indoor protection of the substrate on which they are applied. When no longer functional, they might require substitution with solutions that can combine compatibility with the substrate with the current need to mitigate building emissions. Indeed, plasters can contribute to lowering buildings’ energy demands while improving indoor air quality and the comfort of buildings’ users, as plasters can be used as passive regulators of relative humidity (RH). Hence, this study presents the relative-humidity-dependent properties of different plastering mortars based on clay, air lime, and natural hydraulic lime, and plastering finishing pastes based on gypsum and gypsum–air lime, in all cases tested using small size specimens. A cement-based plaster is also analysed for comparison. The clay-based plaster was the most promising material for RH passive regulation, and could be applied to repair and replace plasters in different types of buildings. Pastes based on air lime–gypsum could be applied as finishing layers, specifically on traditional porous walls. The sorption behaviour of cement plaster appeared interesting; however, its water vapour permeability was as expected, found to be the lowest, discouraging its application on historic walls.
Laboratory Experiments to Evaluate the Effectiveness of Persulfate to Oxidize BTEX in Saline Environment and at Elevated Temperature Using Stable Isotopes
Authors: Saeed Waleed , Shouakar-Stash Orfan , Barker Jim , Thomson Neil , McGregor Rick
Published: September 2021

In this study, batch experiments were carried out to investigate the effectiveness of persulfate (PS) as an oxidant agent to remediate benzene, toluene, ethylbenzene, and xylenes (BTEX) in saline environments and at high water temperatures (30 °C). This hydrological setting is quite common in contaminated groundwater aquifers in Middle Eastern countries. In general, increasing the system temperature from 10 to 30 °C greatly enhanced the effectiveness of PS, and resulted in a faster oxidation rate for the target contaminants. When PS was added to the reactor at 30 °C, the targeted contaminants were almost completely oxidized over a 98-day reaction period. During the chemical oxidation of the BTEX, carbon and hydrogen isotope fractionations were monitored and utilized as potential proof of contaminant degradation. The calculated carbon-enrichment values were −1.9‰ for benzene, −1.5‰ for ethylbenzene and toluene, −0.4‰ for ρ,m-xylene, and −1.4‰ for o-xylene, while the hydrogen enrichment values were −9.5‰, −6.8‰, −2.1‰, −6.9‰, and −9.1‰, respectively. In comparison with other processes, the hydrogen and carbon isotope fractionations during the chemical oxidation by PS were smaller than the isotope fractionations resulting from sulfate reduction and denitrification. This observation demonstrates the differences in the transformation pathways and isotope fractionations when compounds undergo chemical oxidation or biodegradation. The distinct trend observed on the dual isotope plot (Δδ13C vs. Δδ2H) suggests that compound-specific isotope analysis can be utilized to monitor the chemical oxidation of BTEX by PS, and to distinguish treatment zones where PS and biodegradation technologies are applied simultaneously.
Systems Analysis of Coupled Natural and Human Processes in the Mekong River Basin
Authors: Sridhar Venkataramana , Ali Syed Azhar , Sample David J.
Published: September 2021

The Mekong River Basin is one of the world’s major transboundary basins. The hydrology, agriculture, ecology, and other watershed functions are constantly changing as a result of a variety of human activities carried out inside and by neighboring countries including China, Myanmar, Thailand, Laos, Cambodia, and Vietnam in order to meet increased food and water demands for an increasing population. The Mekong River, which provides irrigation and fishing for a population of over 60 million people, also has an estimated 88,000 MW of untapped hydropower potential. The construction of dams for energy supply has a wide-ranging impact on downstream reservoir regions, resulting in unprecedented changes in hydrologic functions, the environment, and people’s livelihoods. We present a holistic view of how external stressors such as climate change and variability, land cover, and land-use change affect supply and demand. We present an integrated modeling framework for analyzing the supply–demand scenarios and tradeoffs between different sectors. Specifically, we evaluated the impacts of future climate on irrigation, hydropower, and other needs in the basin through a feedback loop. We focused on hydrologic extremes to evaluate their impacts on the reservoir operations during flood and low flow events. The inflow is projected to change by +13% to −50% in the future, while a 0.25% (15.24 billion m3) reduction is projected for the net irrigation water requirement (NIWR). A unit percentage increase in irrigation demand will reduce energy generation by 0.15%, but climate change has a beneficial impact on dam performance with a predicted increase in energy generation and supply to all sectors. Flood events will cause excessive stress on reservoir operation to handle up to six times more flow volumes; however, the low-flow events will marginally affect the system. While the flow and storage rule curves consider both supply and demand, changing human water use comes second to changing climate or other biophysical considerations. This paper emphasizes the importance of considering feedback between climate–water–human society in the systems modeling framework in order to meet societal and ecological challenges. The findings will provide information on the risks and tradeoffs that exist in the water, energy, and food sectors of the basin.
Enhanced Denitrification of Integrated Sewage Treatment System by Supplementing Denitrifying Carbon Source
Authors: Chen Dongkai , Chen Peizhen , Zheng Xiangqun , Cheng Weimin , Wang Qiang , Wei Xiaocheng
Published: September 2021

Integrated sewage treatment system (ISTY) is a new technology for rural domestic sewage treatment. In the ISTY, the carbon source in the denitrification stage is often insufficient, affecting the denitrification efficiency. In order to improve the denitrification efficiency, several commonly available agricultural wastes, peanut shell (PS), sawdust (SD), peat (PT), and their mixtures (MT), were selected as supplementary carbon sources in the denitrification stage of ISTY to study the denitrification efficiency. Results show that PS exhibited a high carbon release capacity. PS released an enormous amount of carbon in 144 h, and the cumulative total organic carbon was 41.99 ± 0.7 mg/(g·L). The optimum carbon source dosage was 3 g/L, the nitrate removal rates of PS exceeded 95% after 48 h, and the denitrification rates were 9.35 mg/(g·L), which were 63.92% higher than that of the control group. After running the ISTY for 120 h, and with PS as supplementary carbon sources, the removal rate of TN increased from 29.76% to 83.86%. At the genus level, the dominant denitrifying bacteria in ISTY, after adding PS, were Pseudomonas and Cupriavidus, accounting for 78.68%, an increase of 72.90% compared with the control group. This evidence suggested that PS can obviously enhance the denitrification efficiency of the ISTY as a supplementary carbon source.
Quality Indicators for Avalanche Victim Management and Rescue
Authors: Kottmann Alexandre , Pasquier Mathieu , Strapazzon Giacomo , Zafren Ken , Ellerton John , Paal Peter
Published: September 2021

Decisions in the management and rescue of avalanche victims are complex and must be made in difficult, sometimes dangerous, environments. Our goal was to identify indicators for quality measurement in the management and rescue of avalanche victims. The International Commission for Mountain Emergency Medicine (ICAR MedCom) convened a group of internal and external experts. We used brainstorming and a five-round modified nominal group technique to identify the most relevant quality indicators (QIs) according to the National Quality Forum Measure Evaluation Criteria. Using a consensus process, we identified a set of 23 QIs to measure the quality of the management and rescue of avalanche victims. These QIs may be a valuable tool for continuous quality improvement. They allow objective feedback to rescuers regarding clinical performance and identify areas that should be the foci of further quality improvement efforts in avalanche rescue.
Current Knowledge and Behavior towards Salt Reduction among Hong Kong Citizens: A Cross–Sectional Survey
Authors: Cheung Jasmine , Neyle Deborah , Chow Peggy Pik Kei
Published: September 2021

Excessive dietary salt intake is prevalent in the Hong Kong community. Over the last decade, the Hong Kong Special Administrative Region Government has been actively promoting community participation to reduce salt intake. The aim of this study was to investigate the current knowledge levels and behaviors relating to dietary salt intake among Hong Kong adults. This cross-sectional survey involved 426 adults in Hong Kong. The findings of this study identified areas of knowledge deficit in the recommended upper limit of daily salt intake for an adult set by World Health Organization (n = 295, 69.2%) indicated a lack of awareness that the overconsumption of salt could cause coronary heart disease (n = 233, 54.7%). Disengagement with salt reduction behavior, such as rarely/never checking the sodium or salt content listed on the food label (n = 252, 59.2%) and rarely/never purchasing food labelled with low salt or no salt content (n = 292, 68.9%), was reported. Excessive salt intake in dietary habits remains an under-recognized non-communicable disease threat by Hong Kong citizens, indicating ineffective responsive risk communication. There is a need to refine existing salt reduction initiatives to aid in making appropriate decisions regarding dietary salt intake among Hong Kong citizens.
Aboriginal Health Workers Promoting Oral Health among Aboriginal and Torres Strait Islander Women during Pregnancy: Development and Pilot Testing of the Grinnin’ Up Mums & Bubs Program
Authors: Kong Ariana , Dickson Michelle , Ramjan Lucie , Sousa Mariana S. , Jones Nathan , Srinivas Ravi , Chao Jemma , Goulding Joanne , George Ajesh
Published: September 2021

Background: this study aimed to develop and pilot test the model of care, Grinnin’ Up Mums & Bubs, to train Aboriginal Health Workers to promote oral health among Aboriginal and Torres Strait Islander pregnant women. Methods: Participatory Action Research was employed to develop the different components of the model (oral health promotion resources, training workshop, and a culturally safe referral pathway to dental services). The model was piloted (pre-post), using an embedded mixed-methods design, to determine the acceptability, satisfaction, and any recommendations made by seven Aboriginal Health Workers at an antenatal service in Western Sydney, Australia. Results: there was a high level of satisfaction with the components of the model of care among the participants, who believed that the model could be integrated into practice. The training showed some improvement in oral health knowledge and confidence. The participants recommended strategies for discussing oral health with Aboriginal and Torres Strait Islander pregnant women, and changes in public health dental policy to ensure that all women would be able to access affordable dental services through the referral pathway. Conclusion: the findings suggest a high level of satisfaction with the model of care among the Aboriginal Health Workers. Further evaluation is needed to confirm the short and long-term impact of the model.
Permanent Supportive Housing Design Characteristics Associated with the Mental Health of Formerly Homeless Adults in the U.S. and Canada: An Integrative Review
Authors: Rollings Kimberly A. , Bollo Christina S.
Published: September 2021

The built environment directly and indirectly affects mental health, especially for people transitioning from long-term homelessness to permanent supportive housing (PSH) who often experience co-occurring behavioral health challenges. Despite a rapid increase in PSH availability, little research examines influences of architecture and design within this context. This integrative review synthesized limited research on PSH design in the U.S. and Canada to identify built environment characteristics associated with PSH residents’ mental health, highlight gaps in the literature, and prioritize future research directions. A systematic search for peer-reviewed articles was conducted using nine databases drawing from multiple disciplines including architecture, environmental psychology, interior design, psychology, psychiatry, medicine, and nursing. Seventeen articles met inclusion criteria. Study design, methodology, built environment properties, place attributes, and relevant findings were extracted and iteratively analyzed. Three domains relevant to architecture and design were identified related to home, ontological security, and trauma sensitivity; dwelling unit type, privacy, control, safety, housing quality and location, and access to amenities; and shared common space. Integrative review results emphasize the potential of architecture and design to contribute to improved built environment quality and mental health outcomes among PSH residents. Methodological limitations and directions for future research are also discussed.
Cognitive Training Improves Disconnected Limbs’ Mental Representation and Peripersonal Space after Spinal Cord Injury
Authors: Moro Valentina , Corbella Michela , Ionta Silvio , Ferrari Federico , Scandola Michele
Published: September 2021

Paraplegia following spinal cord injury (SCI) affects the mental representation and peripersonal space of the paralysed body parts (i.e., lower limbs). Physical rehabilitation programs can improve these aspects, but the benefits are mostly partial and short-lasting. These limits could be due to the absence of trainings focused on SCI-induced cognitive deficits combined with traditional physical rehabilitation. To test this hypothesis, we assessed in 15 SCI-individuals the effects of adding cognitive recovery protocols (motor imagery–MI) to standard physical rehabilitation programs (Motor + MI training) on mental body representations and space representations, with respect to physical rehabilitation alone (control training). Each training comprised at least eight sessions administered over two weeks. The status of participants’ mental body representation and peripersonal space was assessed at three time points: before the training (T0), after the training (T1), and in a follow-up assessment one month later (T2). The Motor + MI training induced short-term recovery of peripersonal space that however did not persist at T2. Body representation showed a slower neuroplastic recovery at T2, without differences between Motor and the Motor + MI. These results show that body and space representations are plastic after lesions, and open new rehabilitation perspectives.
Factors Associated with Medication Non-Adherence among Patients with Multimorbidity and Polypharmacy Admitted to an Intermediate Care Center
Authors: González-Bueno Javier , Sevilla-Sánchez Daniel , Puigoriol-Juvanteny Emma , Molist-Brunet Núria , Codina-Jané Carles , Espaulella-Panicot Joan
Published: September 2021

Identifying determinants of medication non-adherence in patients with multimorbidity would provide a step forward in developing patient-centered strategies to optimize their care. Medication appropriateness has been proposed to play a major role in medication non-adherence, reinforcing the importance of interdisciplinary medication review. This study examines factors associated with medication non-adherence among older patients with multimorbidity and polypharmacy. A cross-sectional study of non-institutionalized patients aged ≥65 years with ≥2 chronic conditions and ≥5 long-term medications admitted to an intermediate care center was performed. Ninety-three patients were included (mean age 83.0 ± 6.1 years). The prevalence of non-adherence based on patients’ multiple discretized proportion of days covered was 79.6% (n = 74). According to multivariable analyses, individuals with a suboptimal self-report adherence (by using the Spanish-version Adherence to Refills and Medications Scale) were more likely to be non-adherent to medications (OR = 8.99, 95% CI 2.80–28.84, p < 0.001). Having ≥3 potentially inappropriate prescribing (OR = 3.90, 95% CI 0.95–15.99, p = 0.059) was barely below the level of significance. These two factors seem to capture most of the non-adherence determinants identified in bivariate analyses, including medication burden, medication appropriateness and patients’ experiences related to medication management. Thus, the relationship between patients’ self-reported adherence and medication appropriateness provides a basis to implement targeted strategies to improve effective prescribing in patients with multimorbidity.
A Qualitative Investigation on the Roles of Social Support on Physical Activity Behaviour among the Rural-Dwelling Older Women in Malaysia
Authors: Marthammuthu Thaneswaran , Hairi Farizah Mohd , Choo Wan Yuen , Salleh Nur Afiqah Mohd , Hairi Noran Naqiah
Published: September 2021

Despite many health benefits of physical activities, both physically and mentally, the majority of the older women in the rural areas of Malaysia are showing a low prevalence of physical activities. Understanding the roles of social support to improve physical activities is imperative to promote active and healthy ageing among the rural-dwelling older women in Malaysia. Hence, this qualitative study adopted an inductive design using 17 in-depth interviews to understand the role of social support on physical activity behaviour among the rural community-dwelling older woman in Kuala Pilah District, Negeri Sembilan, Malaysia from December 2019 to January 2020. Three categories of themes were identified in this study. Firstly, adaptive social support in terms of informational, companionship and emotional supports reported enhancing physical activity levels among older women. Secondly, the absence of help and assistance from the social network asserts independence and triggers the older women to perform the activities by themselves, thus engage in physically active lifestyles. Thirdly, lacking social support demotivate older women to be engaged in physical activities. In particular, loss of companionship support, poor acceptance or appraisal support, logistic issues to attend exercise programmes and neighbourhood safety and security issues were among the main barriers of physical activities reported by the older women. The main findings of this study shed some light on the exigency of strengthening social support from the social network to engage the older women in physical activities. The roles of social media, effective patient-doctor communication and interventions targeting the spouses and family members must be strengthened to create a supportive atmosphere to enhance physical activity levels among older women.
Evidence of Gender Violence Negative Impact on Health as a Lever to Change Adolescents’ Attitudes and Preferences towards Dominant Traditional Masculinities
Authors: Padrós Cuxart Maria , Molina Roldán Silvia , Gismero Elena , Tellado Itxaso
Published: September 2021

Women and girls experience gender violence from a young age. Scientific research has presented evidence of the negative impact of toxic relationships and toxic stress on physical and psychological health. However, less is known on how this evidence can have a preventive effect. Knowing these impacts can be important for women and girls to decide the type of affective-sexual relationships they want to have, and even transform their attraction towards different types of masculinity. This study presents results from the MEMO4LOVE project. Researchers use mixed-methods approaches, including a questionnaire (n = 141) to study adolescents’ peer groups’ interactions that promoted healthy or toxic affective-sexual relationships, and five communicative focus groups with boys and girls to analyze how these interactions can be transformed by sharing scientific knowledge on the effects of violent relationships with adolescents. The results showed the impact of sharing with adolescents the evidence of the adverse effects of toxic relationships with violent masculinities on health. The peer group’s transformation occurred: non-violent boys gained self-confidence, and girls redirected or reinforced their attraction to non-violent boys. These results suggest the potential positive effects of knowing the impacts of toxic relationships on girls’ health.
Women’s Experience of Disrespect and Abuse during Institutional Delivery in Biratnagar, Nepal
Authors: Ghimire Narayani Paudel , Joshi Sunil Kumar , Dahal Pranab , Swahnberg Katarina
Published: September 2021

Worldwide, a large number of women experience disrespectful and abusive behavior from care providers during childbirth. This violates the rights of women to attain respectful care. This study aimed to find out the women’s experience of disrespect and abuse during institutional delivery. A cross-sectional study was conducted in two hospitals of Morang district situated in eastern Nepal. Two hundred eighteen women from a public hospital and 109 women from a private hospital (N = 327) with normal vaginal delivery were selected purposively for this study. Data were collected through face-to-face interviews using a structured questionnaire based on the Disrespectful and Abusive Scale by Bowser and Hill. All women had experienced at least one type of disrespect and/or abuse during labor and delivery, most common being non-consented care (100%), non-dignified care (72%), and non-confidential care (66.6%), respectively. Discriminatory care and physical abuse were experienced by 32.33% and 13.23%, respectively. Ethnicity, religion, place of delivery, and numbers of living children were the main predictors of reporting disrespect and abuse. Overall, the occurrence of disrespect and abuse during institutional delivery was found to be very high.