bluuebunny/crossref_metadata_2025 huggingface dataset:
Managing Intersectional Invisibility and Hypervisibility During the Transition to College Among First-Generation Women of Color
Authors: Jackson Arianna , Colson-Fearon Brionna , Versey H. Shellae
Published: June 2022

In the current study, we examined the transition to college for first-generation women of color. Previous studies of first-year college experiences among groups with minoritized statuses have primarily focused on first-generation students or students of color separately, with little consideration of women within these groups generally, and first-generation women of color specifically. Drawing from work in Black feminist scholarship, we explored the transition to college from the perspective of first-generation women of color college students, examining the resources, strengths, and challenges experienced during this transition. Fourteen self-identified first-generation women of color students participated in semi-structured interviews. Respondents were asked a series of open-ended questions about their first-year college experiences, including family dynamics, social support, and mental health. Using thematic analysis, we identified five major themes—Identity, Imposter Phenomenon, Mixed Formal Support, Complicated Family Support, and Friendship, Social, and Emotional Support. Our findings suggest that first-generation women of color college students encounter unique challenges that warrant further investigation. Furthermore, we recommend structural programming (e.g., diversity initiatives), university policies (e.g., need-blind admissions), and increased faculty and staff diversity as strategies that will benefit all students and provide support for first-generation women of color college students.
“There wasn’t any build up to it, it was just like, now you have to go over.” Disengagement during the Child to Adult Community Mental Health Service Transition
Authors: Cohen Deborah Ann , Londoño Tatiana , Klodnick Vanessa Vorhies , Emerson Kaleigh R. , Stevens Laura
Published: June 2022

This study explored the personal, real-time experience of accessing adult mental health services after aging out of child mental health services. Mean age of the 19 participants at enrollment was 18. Eleven identified as women, five as men, and two as gender non-conforming. Over half of the sample identified as Hispanic or Latinx. This study employed a longitudinal, qualitative design with three interviews over 12-months (e.g., baseline, 6-months, 12-months), and monthly check-ins to prevent study attrition. Interviews explored previous and current mental health service experiences; the transition experience from child-to-adult services, and perceived service barriers and facilitators. Research team members used thematic coding to code each interview individually, focusing on identifying the disengagement timeline, experience, and related factors. Universally, participants saw a benefit in continuing mental health services, but almost all disengaged due to difficulty in navigating care and getting their needs met during the transition from child to adult services. This study provides a young adult perspective on the real gap between child and adult services within one community mental health agency. Improved transition practices and tailoring services to young adult development may prevent mental health disengagement during the transition from child to adult service systems.
Improvement of osteogenic properties using a 3D-printed graphene oxide/hyaluronic acid/chitosan composite scaffold
Authors: Suo Lai , Xue Zhijun , Wang Puyu , Wu Hongshan , Chen Yao , Shen Jing
Published: June 2022

Oral and maxillofacial tumors, trauma and infections are the main causes of jaw defects, whose clinical treatment is very complicated. With the development of biological tissue engineering, many biological materials have been widely used in various fields of stomatology, and they play a very important role in the repair and replacement of maxillofacial bone defects. In this study, we intended to prepare a graphene oxide/hyaluronic acid/chitosan (GO/HA/CS) composite hydrogel with different mass ratios of GO: 0.1% (0.1% GO/HA/CS), 0.25% (0.25% GO/HA/CS), 0.5% (0.5% GO/HA/CS), and 1% (1% GO/HA/CS), prepare it into a multilayered and stable composite scaffold through 3D-printing technology, observe the surface morphology of the composite scaffold through scanning electron microscopy (SEM), and then test its physical and chemical properties, mechanical properties, water swelling rate, in vitro degradation and other material properties. Moreover, the biological performance of the GO/HA/CS composite scaffold was studied through experiments, such as cell morphology observation, cell adhesion, cell proliferation, and live-dead cell staining. The results showed that through chemical cross-linking and 3D-printing technology, a porous (pore size: 450–580 μm) and multilayered GO/HA/CS biological scaffold could be successfully constructed, and its surface was an interconnected microporous structure, and the porosity decreased (94%−40%) gradually with the increase of GO. Meanwhile, with the change in GO concentration, some mechanical properties of the scaffold could be improved, such as water swelling rate, degradation rate, and elastic modulus. In addition, the composite scaffold with the appropriate amount of GO had almost no cytotoxicity and could promote cell growth and proliferation, especially 0.25% GO/HA/CS composite scaffold. Consequently, the 0.25% GO/HA/CS composite scaffold had excellent biological material properties and good biocompatibility with osteoblasts, which may provide a new idea for the repair of jaw defects.
Preparation and thermal properties of modified binary paraffin - Hexadecylamine shaped composite phase-change energy storage materials
Authors: Hu Linna , Hao Wenxiu , Jiang Ruinian , Xu Xiao
Published: June 2022

Binary paraffin has attracted much attention because it can control the phase change temperature range and has good flexibility. To improve the latent heat effect, a modified binary paraffin—hexadecylamine—ceramsite shaped composite phase-change energy storage material was prepared in this study through eutectic mixing and vacuum adsorption method. With eutectic binary paraffin—hexadecylamine as the core material, ceramsite as the carrier shell material and nano aluminum nitride (AlN) as the heat conduction enhancer. The thermal stability of the composites was characterized using a temperature recorder, differential scanning calorimetry (DSC), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). The results showed that the optimal mass ratio of the eutectic phase-change material was solid paraffin: liquid paraffin: hexadecylamine = 50: 18: 32. The optimal mixture has a phase-change temperature of 26.5°C and a latent thermal value of 204.50 J/g, indicating that it has good heat storage performance. The phase-change temperature was 1.2°C earlier after the addition of 0.5% AlN, and the heat rate of storage was also improved. The mass ratio of the composite phase-change materials and ceramsite was 27.5: 72.5 is achieved by vacuum adsorption into the ceramsite. The phase-change materials are evenly dispersed and the ceramsite is well wrapped. It has good thermal stability, as verified by a 500 accelerated heating-cooling circulations below 60°C, and has great potential for the development of new building energy storage materials.
An Online Mindfulness-based Intervention for Certified Nursing Assistants in Long-term Care
Authors: Young Cara C. , Kesler Shelli , Walker Verónica García , Johnson Alisha , Harrison Tracie Culp
Published: June 2022

Purpose: Certified nursing assistants (CNAs) make up the largest segment of the long-term care (LTC) setting workforce, however, they are at high risk of job dissatisfaction and burnout. Evidence suggests that mindfulness-based interventions (MBIs) might be particularly relevant and useful for CNAs in reducing psychological distress, improving job satisfaction, and reducing burnout, but little research has investigated this possibility. A feasibility study of an online MBI for CNAs in LTC settings was therefore conducted. Methods: CNAs completed assessments at baseline and posttest. Paired t-tests assessed changes in mindfulness, psychological distress (i.e., depressive and anxiety symptoms, and stress), and professional quality of life. Results: Of the 19 CNAs who started the intervention, N = 13 (68%) completed it and provided postintervention data. Depressive symptoms were significantly decreased postintervention (F = 6.26, p = .036, d = .47). Conclusions: MBIs may have beneficial effects for CNAs in LTC settings. Further research with a larger CNA population will increase the power and relevance of these findings, ultimately contributing to the improvement of patient outcomes in LTC.
Object ground lines regression and mapping from fisheye images to around view image for the AVP
Authors: Li Wei , Cao Libo , Zhang Zhengyang , Liao Jiacai , Xie Wen-Fang
Published: June 2022

The automated valet parking (AVP) based on the around view monitor (AVM) has attracted increasing attention from the research community due to its high practicality and low cost. However, the distortion correction and inverse perspective transformation of the around view images result in the truncated and deformed objects, which leads to poor detection performance. To address this problem, we propose a method of object ground lines regression and mapping from fisheye images to around view images. There are two key steps for the proposed method, regressing ground lines in the fisheye images and mapping ground lines to the around view image. To detect the objects and regress ground lines at the same time, we explored three new detectors based on YOLOv5 (i.e. YOLOv5-VGG, YOLOv5-Point, and YOLOv5-Ratio). Among them, YOLOv5-VGG adds a VGG-based regression network behind YOLOv5, YOLOv5-Point directly adds a regression head to share the convolutional features, and YOLOv5-Ratio combines the 2D box and ground line to predict its ratios. After that, the ground lines from four different views are mapped and fused to the around view image. Additionally, to facilitate the study of the object detection in the around view image, a large-scale labeled dataset is established, which comprises 9828 fisheye images collected from typical indoor and outdoor parking lots. For each image, the 2D bounding boxes and ground lines of objects are carefully labeled. Experiments show that the YOLOv5-Ratio obtains the best performance and can effectively detect the truncated and deformed object in the around view image with the precision rate of 92.28% and recall rate of 85.09% on our collected dataset.
Little Support for Discrete Item Limits in Visual Working Memory
Authors: Oberauer Klaus
Published: June 2022

Some theorists argue that working memory is limited to a discrete number of items and that additional items are not encoded at all. Adam et al. (2017) presented evidence supporting this hypothesis: Participants reproduced visual features of up to six items in a self-chosen order. After the third or fourth response, error distributions were indistinguishable from guessing. I present four experiments with young adults (each N = 24) reexamining this finding. Experiment 1 presented items slowly and sequentially. Experiment 2 presented them simultaneously but longer than in the experiments of Adam et al. Experiments 3 and 4 exactly replicated one original experiment of Adam et al. All four experiments failed to replicate the evidence for guessing-like error distributions. Modeling data from individuals revealed a mixture of some who do and others who do not produce guessing-like distributions. This heterogeneity increases the credibility of an alternative to the item-limit hypothesis: Some individuals decide to guess on hard trials even when they have weak information in memory.
Calpain-mediated cleavage of mitochondrial fusion/fission proteins in acetaminophen-induced mice liver injury
Authors: Shan Shulin , Liu Zhaoxiong , Li Linlin , Zhang Cuiqin , Kou Ruirui , Song Fuyong
Published: June 2022

Mitochondrial dysfunction was considered to be a critical event in acetaminophen (APAP) -induced hepatotoxicity. Recent studies suggest that abnormal mitochondrial dynamics contributes to mitochondrial dysfunction in APAP-induced liver injury, yet the underlying mechanisms responsible for deregulated mitochondrial dynamics remains elusive. In this study, C57BL/6 mice were used to establish a model of acute liver injury via intraperitoneal (i.p.) injection with overdose of APAP. Furthermore, calpain intervention experiments were achieved by the inhibitors ALLN or calpeptin. The activity of serum enzymes and pathological changes of APAP-treated mice were evaluated, and the critical molecules in mitochondrial dynamics and calpain degradative pathway were determined by electron microscopy, immunoblot and calpain activity kit. The results demonstrated that APAP overdose resulted in a severe liver injury, mitochondrial damage and an obvious cleavage of fusion/fission proteins. Meanwhile, the activation of calpain degradative machinery in liver were observed following APAP. By contrast, pretreatment of calpain inhibitors significantly inhibited the activation of calpains. Our further investigation found that ALLN or calpeptin administration significantly suppresses the changes of mitochondrial dynamics in APAP-treated mice and finally protected against APAP-induced hepatoxicity. Overall, these results suggest that calpain-mediated cleavage of mitochondrial dynamics proteins was involved in the pathogenic process of mitochondrial dysfunction and thus present a potential molecular coupling APAP-induced hepatotoxicity.
Identifying Objects and Remembering Images: Insights From Deep Neural Networks
Authors: Rust Nicole C. , Jannuzi Barnes G. L.
Published: June 2022

People have a remarkable ability to identify the objects that they are looking at, as well as remember the images that they have seen. Researchers know that high-level visual cortex contributes in important ways to supporting both of these functions, but developing models that describe how processing in high-level visual cortex supports these behaviors has been challenging. Recent breakthroughs in this modeling effort have arrived by way of the illustration that deep artificial neural networks trained to categorize objects, developed for computer vision purposes, reflect brainlike patterns of activity. Here we summarize how deep artificial neural networks have been used to gain important insights into the contributions of high-level visual cortex to object identification, as well as one characteristic of visual memory behavior: image memorability, the systematic variation with which some images are remembered better than others.
Book review: Tejaswini Niranjana, Musicophilia in Mumbai: Performing Subjects and the Metropolitan Unconscious
Authors: Subramanian Lakshmi
Published: June 2022

Tejaswini Niranjana, Musicophilia in Mumbai: Performing Subjects and the Metropolitan Unconscious (New Delhi: Tulika Books, 2020), 225 pages, ₹695 (Hardback). ISBN: 978-81-941260-7-2.
Stockpiling During COVID-19: The Solicitation of the Stimulus– Organism–Response Model
Authors: Anubha  , Narang Daviender , Jain Mukesh Kumar
Published: June 2022

Stockpiling emerged as a common feature during the second wave of COVID-19 as people rushed to markets to stock up everything from packaged foods such as biscuits, noodles, packaged rice and edible oils, to hygiene and sanitizing products, to medicines and oxygen cylinders, the list is endless. Accordingly, it becomes imperative to investigate this stockpiling behaviour to get better insights into the phenomenon and to provide implications for both marketers as well as the government. Based on the Stimulus–Organism–Response (SOR) model, this study aims to investigate how in the stress and tension resulted in the second stage of COVID-19, stimuli like perceived risk, perceived scarcity and social influence affect the judgement of consumers for perceived benefits of stockpiling, which in turn motivate them to stockpile. Additionally, the study examines the mediating effect of perceived benefits. The proposed model is tested and validated using structural equation modelling and bootstrapping based on 309 responses collected from Indian consumers who were involved in stockpiling during the second stage of COVID-19.
The Underrepresented ‘Other’: Portrayal of Religious Minorities in Hindi Language Cartoon Shows
Authors: Laskar Kaifia Ancer , Amir Shiba
Published: June 2022

Media are sites of struggle for representations, and cartoon shows on television can immensely impact the psyche of young viewers. Drawing upon Bandura’s social cognitive theory, George Gerber’s cultivation theory and symbolic annihilation, this study investigates how the symbolic annihilation of minorities takes place in Hindi language cartoon shows. We examine how Hindi language cartoon shows produced in India methodically underrepresent characters belonging to minority communities using qualitative content analysis of four such shows. In this article, we question the positioning of these characters in secondary, antisocial roles identifying them either as ‘other’/foreigner or ‘other’/negative. This symbolic annihilation of religious minorities in Hindi language cartoon shows resembles the symbolic annihilation of racial minorities in the English language cartoon shows.
Mediatised Contagion: Some Propositions on Pandemic Media
Authors: Paul Pallavi
Published: June 2022

This essay explores the ways in which notions of ‘expert’-driven authenticity are being interrogated in the post-COVID-19 media sphere. I argue that the intensification of pathogenic virality has instantiated a generative ‘contamination’ of scientific disciplines such as immunology and virology with the networked openness of digital image cultures. It is through this contamination that we are able to see media forms as central to viral matter and not merely as repositories of its causes and effects. It is in the actions of a growing community of networked media user-producers and amateur scientists that a new lexicon of authenticity and truth can be imagined for our post-pandemic world.
Cranial Morphology Associated With Syndromic Craniosynostosis: A Potential Detection of Abnormality in Patient's Cranial Growth Using Angular Statistics
Authors: Zulkipli Nur Syahirah , Satari Siti Zanariah , Hariri Firdaus , Abdullah Norli Anida , Wan Yusoff Wan Nur Syahidah , Hussin Abdul Ghapor
Published: June 2022

Introduction

Apert, Crouzon, and Pfeiffer syndromes are common genetic syndromes related to syndromic craniosynostosis (SC), whereby it is a congenital defect that occurs when the cranial growth is distorted. Identifying cranial angles associated with these 3 syndromes may assist the surgical team to focus on a specific cranial part during the intervention planning, thus optimizing surgical outcomes and reducing potential morbidity.

Objective

The aim of this study is to identify the cranial angles, which are associated with Apert, Crouzon, and Pfeiffer syndromes.

Methods

The cranial computed tomography scan images of 17 patients with SC and 22 control groups aged 0 to 12 years who were treated in the University Malaya Medical Centre were obtained, while 12 angular measurements were attained using the Mimics software. The angular data were then divided into 2 groups (patients aged 0 to 24 months and >24 months). This work proposes a 95% confidence interval (CI) for angular mean to detect the abnormality in patient's cranial growth for the SC syndromes.

Results

The 95% CI of angular mean for the control group was calculated and used as an indicator to confirm the abnormality in patient's cranial growth that is associated with the 3 syndromes. The results showed that there are different cranial angles associated with these 3 syndromes.

Conclusions

All cranial angles of the patients with these syndromes lie outside the 95% CI of angular mean of control group, indicating the reliability of the proposed CI in the identification of abnormality in the patient's cranial growth.
An Assessment of Market Dependency Risk in the International Student Industry
Authors: Pawar Sanjay Krishnapratap
Published: June 2022

Literature suggests that the international student industry faces increasing risk, given the substantial dependence on a few source countries. Inbound international student mobility (ISM) data of leading higher education (HE) destination countries were examined, with China and India as the source countries. This study classifies Australia, Canada, and the USA as host countries with a high international student source country dependency risk; the UK as a host country with a moderate dependency risk. By exploring the issue from a dependency risk mitigation perspective, this study identifies an elaborate two-step market diversification approach involving international market selection and marketing strategy.
Duration of Heart Failure With Reduced Ejection Fraction Associated With Electrocardiographic Outcomes Before and After Sacubitril/Valsartan
Authors: Lin Po-Lin , Lee Ying-Hsiang , Liu Lawrence Yu-Min , Tsai Cheng-Ting , Yang Ten-Fang , Chiou Wei-Ru , Hsieh Mu-Yang , Chang Hung-Yu , Huang Chun-Che
Published: June 2022

Aim:

Changes in QRS duration in patients with heart failure with reduced ejection fraction (HFrEF) after sacubitril/valsartan therapy is not fully understood. This study aimed to assess the association of duration of HFrEF diagnosis with electrocardiographic and echocardiographic outcomes between before and after sacubitril/valsartan.

Methods:

We included HFrEF patients who received naïve sacubitril/valsartan therapy for ≥3 months, between January 2016 and March 2018. All patients were divided into 2 groups based on their duration of HFrEF. Generalized linear models were analyzed the cardiac outcomes after sacubitril/valsartan therapy by HFrEF duration.

Results:

Among these, 42 patients were HFrEF duration of <1 year and 47 patients were ≥1 year. The mean difference of QRS duration was lesser in the <1-year group than in the ≥1-year group (−2.3 msec vs 6.3 msec; P = .029). However, the mean difference of left ventricular ejection fraction (LVEF) was higher in the ≥1-year group (13.8% vs 5.8%; P = .008). After adjusting for patient demographics and clinical characteristics, the ≥1-year group had a significantly prolonged QRS duration (coefficient = 11; 95% confidence interval [CI], 0.3-21.7) and an unfavorable LVEF recovery (coefficient = −10.3; 95% CI −14.5 to −6.1) compared with the <1-year group.

Conclusion:

Prolonged QRS durations and unfavorable LVEF recoveries after sacubitril/valsartan therapy were observed in patients with HFrEF duration of ≥1 year. Earlier diagnosis of HFrEF and appropriate medication treatment may be beneficial in the improvement of QRS duration and LVEF recovery.
The Subjectification of Black Engineering Educators: A Posthumanist Cartography
Authors: Motala Siddique , Abo-Al-Ez Khaled M. , Adonis Marco
Published: June 2022

We are three Black engineering educators in South Africa who are inspired by the work of Ezekiel Dixon-Román and Eve Tuck. We critique several so-called “universal truths” that are apparent in engineering education from a posthumanist standpoint and focus on the subjectification of Black engineering academics. We draw a cartography of engineering education, to show how subjectivities are influenced by powerful agencies. The cartography gives an idea of the potestas that is exerted upon educators as a result of historical forces. We then give an idea of the potentia that is possible through micro-instances of activism.
XEN® 63 gel stent to treat a refractory uveitic glaucoma: A case report
Authors: Serrar Yasmine , Rezkallah Amina , Kodjikian Laurent , Poli Muriel , Mathis Thibaud , Denis Philippe
Published: June 2022

Purpose

To describe the effectiveness of the XEN® 63 gel stent in a refractory uveitic glaucoma after failure of an Ahmed Glaucoma Valve.

Case description

We report the case of a 54-year-old man with a history of uveitic glaucoma on his left eye due to Fuchs heterochromic iridocyclitis and neovascular glaucoma after a central retinal vein occlusion. Pre-operative intraocular pressure was 30 mmHg despite a QD (once-daily) dosed bimatoprost 0.3 mg and timolol 5 mg topical medication. At week 1, the eye exam showed an intraocular pressure of 6 mmHg with a well-formed bleb, a very mild hyphema and a localized choroidal detachment. At month 1, intraocular pressure was 14 mmHg with a formed bleb. Both hyphema and choroidal detachments had resolved. After a year, intraocular pressure was 16 mmHg without any medication and the bleb was still well-formed.

Conclusion

The XEN® 63 gel stent provides a good intraocular pressure reduction and can be an efficient alternative for tube and filtration surgery in refractory glaucoma. Its long-term effectiveness needs to be evaluated.
Evenness of Dietary Protein Intake Is Positively Associated with Lean Mass and Strength in Healthy Women
Authors: Johnson Nathaniel R , Kotarsky Christopher J , Mahoney Sean J , Sawyer Bailee C , Stone Kara A , Byun Wonwoo , Hackney Kyle J , Mitchell Steven , Stastny Sherri N
Published: June 2022

Background:

Evenness of protein intake is associated with increased lean mass, but its relationship with muscle strength and performance is uncertain.

Objectives:

We determined the association of evenness of protein intake with lean mass, muscle strength and endurance, and functional ability.

Design:

This was a cross-sectional study.

Setting:

Data were collected at a research university in the upper midwestern United States.

Participants:

One hundred ninety-two healthy women, aged 18 to 79 years, mean ± SEM 41.9 ± 1.3, completed the study.

Measurements:

Dietary intake was assessed using 3-day food diaries verified with food frequency questionnaires. To assess evenness of protein intake, the day was divided into 3 periods: waking to 11:30, 11:31 to 16:30, and after 16:30. Lean mass was measured with dual energy X-ray absorptiometry. Lower-body muscle strength and endurance were determined using isokinetic dynamometry. Upper-body muscle strength was maximal handgrip strength. Functional ability was assessed using 6-m gait speed and 30-second chair stand tests. Accelerometry measured physical activity.

Results:

Intakes of 25 g or more of protein at 1 or more of the 3 periods was positively associated with lean mass (β ± S.E.; 1.067 ± 0.273 kg, P < .001) and upper-body (3.274 ± 0.737 kg, P < .001) and lower-body strength (22.858 ± 7.918 Nm, P = .004) when controlling for age, body mass index, physical activity, and energy and protein intakes. Consuming at least 0.24 g/kg/period for those under 60 years and 0.4 g/kg/period for those 60 years and older was related to lean mass (0.754 ± 0.244 kg, P = .002), upper-body strength (2.451 ± 0.658 kg, P < .001), and lower-body endurance (184.852 ± 77.185 J, P = .018), controlling for the same variables.

Conclusions:

Evenness of protein intake is related to lean mass, muscle strength, and muscular endurance in women. Spreading protein intake throughout the day maximizes the anabolic response to dietary protein, benefiting muscle mass and performance.
Numerical study on mixed thermal-elastohydrodynamic lubrication of grease lubricating lubricated spiral bevel gear for heavy-duty unmanned aerial vehicle
Authors: Wang Zhenbo , Zheng Peng
Published: June 2022

Aiming to solve the problem of the gear lubrication of unmanned aerial vehicles (UVAs), a grease mixed Thermal-elastohydrodynamic lubrication (TEHL) model is established, and the lubrication state of the gearbox of oil-powered heavy-duty UAVs is numerically analyzed. In this study, grease is regarded as a non-Newtonian fluid whose properties change nonlinearly with respect to pressure, temperature, and other conditions. The complex meshing state of a spiral bevel gear tooth surface is analyzed using the loaded tooth contact analysis (LTCA) method, and three points on the tooth surface are selected as samples to describe the lubrication state of the entire tooth surface. The thickness of grease film and the temperature rise of the tooth surface are studied in detail, considering the natural roughness of the tooth surface and influence of different greases. The results show that the established model agrees with results from the literature. The dangerous point of tooth surface lubrication is at the meshing midpoint. Under cruise conditions, the lubricating grease viscosity significantly influences the temperature rise of the tooth surface.
Morphological analysis of porosity and sound absorption in sustainable materials from rice husk
Authors: Peceño Begoña , Perez-Soriano EM , Ríos Jose David , Luna-Galiano Yolanda , Cifuentes Hector , Leiva Fernández Carlos
Published: June 2022

This study proposes a composite material that incorporates rice husk. This research focuses on an experimental analysis of the physical, mechanical and acoustic performance of composite materials made of rice-husk waste. Various ratios of rice husk/resins have been employed. Complementary, X-ray computed tomography technique has been used to characterise a representative and extensive volume of material at the pore level, ranging from pore sizes of 100 μm to several millimetres Furthermore, detailed information of key factors of pore properties inside the matrix (pore size, sphericity, position, tortuosity and permeability) has been provided. All the compositions present high sound-absorption coefficients, with noise-reduction coefficients ranging from 0.39 to 0.52, and suitable compressive strength (>1 MPa). From the results, when the rice husk/resin ratio was decreased, the pore size fell between 1 and 4 mm, and the permeability reduced; in contrast, the compressive strength increased, although the sound absorption capacity diminished.
Proposing spacetime scale for space tourism economics
Authors: Peng Kang-Lin , Hsu Cathy HC , Lin Pearl MC , Su Meng
Published: June 2022

This research proposes the spacetime scale to derive a space tourism economic model based on the General Relativity Theory. The space curvature is considered in the economic model analogized to a physic theory to expand the horizons of tourism economics. The deductive reasoning and analogy methods were adopted to propose the spacetime scale for space tourism economics, accommodating the conventional economic models of near-flat space commodities on the earth. Conclusions suggest conquering our perception acceptance from linear time to curvilinear spacetime for space tourism economics.
The ambivalence of recognition: How awarded journalists assess the value of journalism prizes
Authors: Nölleke Daniel , Hanusch Folker , Maares Phoebe
Published: June 2022

In times of increasingly precarious media work, being recognized for one’s performance has become more and more important for journalists’ sense of well-being and can even constitute a competitive advantage in the journalistic field. As material forms of recognition, journalism awards decisively contribute to accumulated journalistic capital and work as an instrument of cultural hierarchy within the field. However, despite the growth in journalistic prizes and the added importance of recognition in times of crisis, we still have an incomplete understanding of how journalists themselves assess the meaning of awards for their position in the field. In this study, we therefore focus on journalists’ evaluations of awards. Drawing on 40 semi-structured interviews with young awarded journalists we explore the meaning of prizes to better understand the relationship between recognition and capital. Our results indicate that from the perspective of awarded journalists receiving an award does not automatically contribute to prestige and hence the accumulation of journalistic capital. Instead, our study suggests that journalists consider prizes to be an ambiguous and ambivalent form of recognition. Whether an award is considered prestigious depends on aspects such as its scarcity, its sponsors, the composition of juries, the visibility of the award in the industry as well as the genre and category that is awarded.
A rare case of a mother with gestational diabetes complicated with fulminant type 1 diabetes mellitus post-delivery
Authors: Ting Tai Yong , Mohd Noor Nurain
Published: June 2022

Fulminant type 1 diabetes mellitus (FT1DM) is recognised as a novel subtype of type 1 diabetes mellitus characterised by the abrupt onset of insulin-deficient hyperglycaemia and ketoacidosis. Fulminant type 1 diabetes mellitus is known to be associated with pregnancy and had been associated with high fetal mortality. We report a case of a gestational diabetes mellitus (GDM) mother complicated with FT1DM immediately post-delivery. A 29-year-old Malay lady who was diagnosed with GDM at 19 weeks of pregnancy, underwent emergency lower segment caesarean section (EMLSCS) due to fetal distress at 36 weeks of gestation; 18 h post-EMLSCS, she developed abrupt onset Diabetic ketoacidosis (DKA) (blood glucose 33.5 mmol/L, pH 6.99, bicarbonate 3.6 mmol/L, ketone 4.4 mmol/L and HbA1c 6.1%). She received standard DKA treatment and discharged well. Her plasma C-peptide level 3 weeks later showed that she has no insulin reserve (C-peptide <33 pmol/L, fasting blood glucose (FBS) 28 mmol/L). Her pancreatic autoantibodies were negative. This case highlights that FT1DM not only can occur in pregnancy with normal glucose tolerance but can also complicate mother with GDM.
Autistic Adult Perspectives on Occupational Therapy for Autistic Children and Youth
Authors: Sterman Julia , Gustafson Erin , Eisenmenger Lindsay , Hamm Lizzie , Edwards Jules
Published: June 2022

The Autistic community values neurodiversity-positive approaches rather than behavioral interventions for Autistic children; however, little is known about what that would look like in occupational therapy. Frequently, researchers seek parent perspectives for understanding Autistic children’s preferences, while to date insufficient attention has been paid to Autistic adults as valuable informants on the Autistic experience of Autistic children. The objective of the study was to understand Autistic adult perspectives on pediatric occupational therapy for Autistic children. We sought and thematically analyzed data from a large Facebook group and an occupational therapy podcast on Autistic values, needs, and experiences in pediatric occupational therapy. Participants described wanting therapy that supported Autistic identities rather than trying to “fix” children, changing environments or tasks to promote participation, and setting goals that address self-advocacy and autonomy. Occupational therapy practitioners should critically reflect on their practice’s alignment with Autistic values and start to shift their practice as needed.
Team Lavender Supports Healthcare Workers: “Our Spiritual, Emotional and Mental Health Matters”
Authors: Orton Debra Garnita
Published: June 2022

Team Lavender, a coordinated response team addresses the spiritual, emotional, and psychological needs of healthcare workers following adverse events and accumulated stress, including Covid-19. Proven to be a valuable peer-to-peer support team in reducing stress levels. Team Lavender is modeled from Code Lavender in the United States. This article addresses the background to justify the need of Team Lavender, its’ significance in a regional acute care setting, and justification for implementing Team Lavender.
Embedded intelligence and the data-driven future of application-specific Internet of Things for smart environments
Authors: Ang Li-Minn , Seng Kah Phooi , Wachowicz Monica
Published: June 2022

The advances and convergence in sensor technology, information and communication technology, and intelligent analytics have given rise to the Internet of Things or also known as the Internet of Everything or the Industrial Internet. The research and development works for the Internet of Things can be seen to have progressed in two main phases: (1) In the first phase, the earlier works for the Internet of Things focused on developing the building blocks and enabling technologies such as the sensors and RFID technologies, communications and wireless protocols, machine-to-machine interfaces, energy efficiency of nodes, and energy harvesting technologies, and (2) in the second phase, the latter and recent works focused on the addition of, and embedding value to application-specific Internet of Things using technologies for smart environments and applications such as intelligent analytics and machine learning, embedded vision and image processing, augmented reality, and autonomous systems. We associate the term of embedded intelligence and analytics with the data-driven future for application-specific Internet of Things. In this article, we give an introduction and review recent developments of embedded intelligence for the Internet of Things; the various embedded intelligence computational frameworks such as edge, fog, and cloud for the application-specific Internet of Things; and highlight the techniques, challenges, and opportunities for effective deployment of application-specific Internet of Things technology to address complex problems for various smart environments and applications.
Deep learning–based resource allocation for secure transmission in a non-orthogonal multiple access network
Authors: Zhang Miao , Zhang Yao , Cen Qian , Wu Shixun
Published: June 2022

Machine learning techniques, especially deep learning algorithms have been widely utilized to deal with different kinds of research problems in wireless communications. In this article, we investigate the secrecy rate maximization problem in a non-orthogonal multiple access network based on deep learning approach. In this non-orthogonal multiple access network, the base station intends to transmit two integrated information: a confidential information to user 1 (the strong user) and a broadcast information to user 1 and user 2. In addition, there exists an eavesdropper that intends to decode the confidential information due to the broadcast nature of radio waves. Hence, we formulate the optimization problem as a secrecy rate maximization problem. We first solve this problem by employing convex optimization technique, then we generate the training, validation, and test dataset. We propose a deep neural network–based approach to learn to optimize the resource allocations. The advantages of the proposed deep neural network are the capabilities to achieve low complexity and latency resource allocations. Simulation results are provided to show that the proposed deep neural network approach is capable of reaching near-optimal secrecy rate performance with significantly reduced computational time, when compared with the benchmark conventional approach.
Data Analyses using the Action Project Method Coding Technique: A Guide
Authors: Jensen Charlotte , Hoben Matthias , Chamberlain Stephanie A. , K. Marshall Sheila , Young Richard A. , Gruneir Andrea
Published: June 2022

The qualitative action-project method (A-PM) was developed in counseling psychology and is useful for studying human actions in various contexts. With this article we provide a guide to A-PM data analysis with a focus on the method’s coding technique. We briefly outline the theory underpinning the method as well as the different phases of data collection. The A-PM data analysis happens in parallel from a bottom-up and top-down approach, where researchers consider the data closely for what participants are doing, how they are doing it and the ways in which their actions are directed by their overall goals. We add to the existing literature by detailing the coding technique, providing examples at each stage of analysis, as well as reflect on the possibilities for adapting the protocol for different types of research. Our aim is to support researchers in their efforts to undertake the method.
Forced convection flow over a moving porous and non-uniform cylinder of variable thickness
Authors: Jan Nadeem , Marwat Dil Nawaz Khan , Rehman Sajid
Published: June 2022

Forced convection flow of viscous fluid over a moving, porous, and heated cylinder of variable thickness is studied in this paper. The non-uniform cylinder is placed vertically in a quiescent fluid. All the field quantities (the normal and axial velocities and temperature), defined at the wall or surface of cylinder, are variable and may have non-linear form. An appropriate set of transformations is developed on the analogies of systematic classical symmetries for a system of partial differential equations (PDE’s), whereas, they are equipped with the representative of each velocity component, temperature function, and similarity variable. However, the PDE’s along with the boundary conditions (BC’s) are reduced into a system of boundary value problem (BVP) of ordinary differential equations (ODE’s) by using these new and unseen similarity variables. The system of non-linear coupled ODE’s, combined with the BC’s is solved, whereas, the numerical results are obtained for different values of the existing governing parameters. All the field quantities, skin friction, rate of heat transfer at the surface of the cylinder are evaluated with the help of [Formula: see text] package of MATLAB and the results are shown in different graphs. The present simulation generalizes all types of forced convection flow problems, over a porous and heated cylinder of variable (uniform) radius, when it is stretched (shrunk) with linear and non-linear (uniform) velocity. However, the simulated problem gives rise to a new set of problems and that they are valid for non-linear (linear and uniform) injection (suction) velocity.
Reliable speed control of a separately excited DC motor using advanced modified triple modular redundancy scheme in H-bridges
Authors: Saeed Rana Basharat , Usman Mian Hamza , Amin Arslan Ahmed
Published: June 2022

The risk of danger in industries is increasing due to the unexpected shutdowns owing to the unwanted faults in the components. These faults can also lead to a complete failure of the system causing costly production losses and safety issues. Therefore, Fault-Tolerant Control (FTC) techniques are used for such systems to get better reliability, and safety to prevent faults. This paper presents a Modified Triple Modular Redundancy (MTMR) based fault-tolerant system for a separately excited Direct Current (DC) motor with a Fault Detection and Isolation (FDI) unit that can detect, isolate, and replace the faulty switch with the standby switches to prevent the unwanted shut down of the system and support the process continuity thereby increasing reliability. The proposed MTMR will still be able to provide output with only one healthy switch with the other two in the faulty conditions. MATLAB/Simulink software was used for the experimentation process to check the performance of the system. The presented work establishes that the MTMR-based fault-tolerant H-bridge with the FDI unit is a highly reliable solution for the speed control of a separately excited DC motor. The comparison of the proposed work with existing works also demonstrates its superior performance.
Optical stereometric analysis of an experimental partially-edentulous mandible
Authors: Poštić Srđan D. , Milošević Miloš , Maneski Taško , Mladenović Goran M. , Brković Snežana , Trifković Branka
Published: June 2022

Stereooptics method have been successfully used in biomechanical studies of dental models. The aim of this study was to investigate, on the basis of functional deformities, the distribution of occlusal loads on the casts of a partially-edentulous mandible without and with dedicated copings. Precise measurement of strain and displacement of partially-edentulous mandibular control and experimental casts were provided by the digital image correlation method and ARAMIS software. Simulated loads ranged from 0 to 1000 N. Displacements and deformations of abutment teeth within the control cast of a partially-edentulous mandible were 0.48% for incisor without coping, 10.29% for canine without coping, and 6.64% for premolar without coping, and within the experimental cast of a partially-edentulous mandible they were 0.29% for incisor with coping, 7.007% for canine with coping, and 4.98% for premolar with coping. Wilcoxon matched pairs signed ranks sum test was not statistically significant for the majority of the examined parameters, except for the differences between deformations of teeth and copings under pressure p ≤ 0.05. When loading the abutment teeth, the distribution of strain through the remaining tooth substance is specific and various. Abutment teeth covered by protective copings are more resistant to loads.
Is Psychological Science Self-Correcting? Citations Before and After Successful and Failed Replications
Authors: von Hippel Paul T.
Published: June 2022

In principle, successful replications should enhance the credibility of scientific findings, and failed replications should reduce credibility. Yet it is unknown how replication typically affects the influence of research. We analyzed the citation history of 98 articles. Each was published by a selective psychology journal in 2008 and subjected to a replication attempt published in 2015. Relative to successful replications, failed replications reduced citations of replicated studies by only 5% to 9% on average, an amount that did not differ significantly from zero. Less than 3% of articles citing the original studies cited the replication attempt. It does not appear that replication failure much reduced the influence of nonreplicated findings in psychology. To increase the influence of replications, we recommend (a) requiring authors to cite replication studies alongside the individual findings and (b) enhancing reference databases and search engines to give higher priority to replication studies.
Pregnancy and delivery in patients with Charcot-Marie-Tooth disease and related disorders
Authors: Skorupinska Mariola , Ramdharry Gita , Byrne Bridgette , Laurá Matilde , Reilly Mary M
Published: June 2022

Background

Charcot–Marie–Tooth disease is the most common inherited peripheral neuropathy and many patients with Charcot–Marie–Tooth are women of childbearing age. Guidelines for managing pregnancy in Charcot–Marie–Tooth are lacking.

Aims

To assess the impact of pregnancy on Charcot–Marie–Tooth and how Charcot–Marie–Tooth affects pregnancy, delivery and postnatal care.

Methods

A retrospective questionnaire exploring disease course during pregnancy, delivery, pregnancy complications, anaesthetic management and puerperium was administered to 92 patients with Charcot–Marie–Tooth and related disorders.

Results

Worsening of Charcot–Marie–Tooth symptoms were reported in 37% of pregnant patients which resolved after delivery in half of the patients. No significant increase in pregnancy, delivery and anaesthetic complications were observed and the type of delivery did not significantly differ from the normal population.

Conclusions

While these results are reassuring, ideally an international prospective study should be done to confirm these results and to develop practice guidelines on the management of pregnancy in Charcot–Marie–Tooth.