bluuebunny/crossref_metadata_2025 huggingface dataset:
Transverse Dynamic Responses and Optimization of a Flexibly Constrained Beam with Multiple Nonlinear Supports that Present Cubic Stiffness
Authors: Han Bing , Jia Xinyu , Wang Meng , Fan Maojun
Published: April 2023

This paper establishes a simplified model of a flexible beam with multiple nonlinear supports that present cubic stiffness to study the potential application of cubic nonlinearities in the vibration control of beams. The Lagrangian method (LM) is used to predict transverse dynamic responses of the flexible beam with multiple nonlinear supports that present cubic stiffness, whereas the harmonic balance method (HBM) and Galerkin truncation method (GTM) are utilized to study the accuracy of the LM. Against the background, the effect of nonlinear supports that present cubic stiffness on the nonlinear transverse dynamic responses of the beam is studied. For this study, the accuracy of the LM is guaranteed under the 4-term truncation number. Nonlinear transverse dynamic responses of the flexibly constrained beam with multiple nonlinear supports that present cubic stiffness are sensitively influenced by their initial calculation values. For different boundary conditions or working statuses, the maximum restoring forces at both ends of the flexible beam can be suppressed effectively by optimizing the parameters of nonlinear supports that present cubic stiffness. Appropriate parameters of nonlinear supports that present cubic stiffness are good at vibration control of the flexibly constrained beam. In addition, complicated dynamic responses of the flexible beam with multiple nonlinear supports that present cubic stiffness are motivated under some inappropriate parameters of nonlinear supports.
The energy–momentum complex in non-local gravity
Authors: Capozziello Salvatore , Capriolo Maurizio , Lambiase Gaetano
Published: April 2023

In General Relativity, the issue of defining the gravitational energy contained in a given spatial region is still unresolved, except for particular cases of localized objects where the asymptotic flatness holds for a given spacetime. In principle, a theory of gravity is not self-consistent, if the whole energy content is not uniquely defined in a specific volume. Here, we generalize the Einstein gravitational energy–momentum pseudotensor to non-local theories of gravity where analytic functions of the non-local integral operator [Formula: see text] are taken into account. We apply the Noether theorem to a gravitational Lagrangian, supposed invariant under the one-parameter group of diffeomorphisms, that is, the infinitesimal rigid translations. The invariance of non-local gravitational action under global translations leads to a locally conserved Noether current, and thus, to the definition of a gravitational energy–momentum pseudotensor, which is an affine object transforming like a tensor under affine transformations. Furthermore, the energy–momentum complex remains locally conserved, thanks to the non-local contracted Bianchi identities. The continuity equations for the gravitational pseudotensor and the energy–momentum complex, taking into account both gravitational and matter components, can be derived. Finally, the weak field limit of pseudotensor is performed to lowest order in metric perturbation in view of astrophysical applications.
Copper corrole immobilized onto reduced graphene oxide: An efficient electrocatalyst for hydrogen evolution reaction
Authors: Varshney Prachi , Kumar Amit , Sujesh S , Jaiswal Svastik , Sankar Jeyaraman
Published: April 2023

First-row transition metal complexes derived from corrole-based ligands are considered efficient catalysts for hydrogen evolution reaction (HER). They are known to enhance the rate of hydrogen production by lowering the energy barrier in the water-splitting process. Here, the synthesis and characterization of a copper corrole complex (CuN2CA) having amine functionality on corrole has been reported. This complex is immobilized onto reduced graphene oxide (CuN2CA-rGO) that exhibited excellent electrocatalytic activity towards hydrogen evolution reaction (HER) with a significantly lower onset potential of -0.57 V vs. NHE efficiency of the corrole complex has significantly been improved when combined with reduced graphene oxide (rGO).
High piezoelectricity performance in PSBZT ceramic for ultrasonic transducer
Authors: Han Shengpeng , Jiang Guicheng , Zhu Yan , Liu Yingchun , Zhang Hongjun , Bian Lang , Liu Danqing , Sun Ye , Zheng Limei , Yang Bin , Cao Wenwu
Published: April 2023

Lead zirconate titanate (PZT) ceramics possess great potential for practical applications and thus improving their piezoelectric properties is crucial. [Formula: see text][Formula: see text][Formula: see text][Formula: see text][Formula: see text][Formula: see text]O3 (PSBZT) ceramics with high Curie temperature and excellent piezoelectric properties were fabricated via a conventional solid-state method, and the effect of Ba[Formula: see text] doping on the structural, dielectric, piezoelectric and ferroelectric properties was studied in detail. It is shown that doping of Ba[Formula: see text] significantly enhanced the piezoelectric properties of PSZT, the maximum [Formula: see text]533 pC/N and [Formula: see text]361[Formula: see text]C at [Formula: see text]= 0.02 were acquired. Furthermore, PSZT and PSBZT ceramics were used to prepare single element ultrasonic transducers, and their performance were compared and evaluated. The results demonstrate that the PSBZT ceramic-based transducer possesses better sensitivity and bandwidth than the PSZT ceramic-based transducer.
Chinese Soft Power in Bangladesh: Debt Trap or Shared Interests?
Authors: JASMIN  , SAKIB NURUL HUDA , SHISHIR MD. FOYSAL JAMAN
Published: April 2023

Power and influence are important concepts in world politics. In this process, every country tries to maximize its interests and influence over other countries. The present world order, soft power, plays an important role in influencing others’ policy-making processes in one’s favor to establish a world order. This paper aims to give an overview of Chinese soft power and find out whether Chinese soft power is creating a debt trap or becoming a shared interest for both Bangladesh and China. Based on secondary sources, the paper has found that although Chinese soft power, especially its growing investment in Bangladesh, is a part of establishing its influence, it is a shared interest rather than a debt trap. Different infrastructure development projects are opportunities for Bangladesh, as that will open the door to economic development if Bangladesh can effectively utilize them, although China’s investment can put Bangladesh’s economy under pressure. However, economic and political instability, fragile institutions, growing corruption, leadership crisis, etc. are more harmful to its economy and can lead to an economic crisis.
Advances in Qualitative Methods in Environmental Research
Authors: Caggiano Holly , Weber Elke U.
Published: April 2023

Qualitative research methods examine a wide range of topics in the study of environment and resource management. This first review on the topic highlights innovative and impactful research over the past few decades, drawing from social science disciplines that include sociology, geography, anthropology, political science, public policy, and psychology. We describe qualitative research methods that have addressed five scientific goals: ( a) describing what the world is like, ( b) predicting what the world can be like, ( c) acknowl-edging researcher positionality and reflexivity and diversifying ways of knowing in theorizing and research designs, ( d) integrating imaginaries into empirical research and building narratives to make sense of possible futures and to broaden our view of scientific inquiry, and ( e) helping scholars grapple with the deep complexity of socioecological systems. As we explore these themes, we explain foundational qualitative approaches and highlight examples of environmental qualitative research that apply them.
Optimal Design and Performance Investigation of Artificial Neural Network Controller for Solar- and Battery-Connected Unified Power Quality Conditioner
Authors: Ramadevi Alapati , Srilakshmi Koganti , Balachandran Praveen Kumar , Colak Ilhami , Dhanamjayulu C. , Khan Baseem
Published: April 2023

Nowadays, integration of renewable sources into the local distribution system and the nonlinear behavior of advanced power electronic equipment have made a large impact on the power quality (PQ). The unified power quality conditioner (UPQC) is a multifunctional FACTS device, which is a combination of both shunt active filter and series active filters via a common DC link. Presently, the artificial intelligence is playing a vital role in the development of the intelligent control methods. Traditional training methods of artificial neural network (ANN) like back propagation and Levenberg-Marquardt may get stuck in local optimal solution which leads to the invention of ANN trained optimally by metaheuristic algorithms. This paper develops a firefly algorithm-trained ANN (FF-ANNC) controller for the shunt active filter and proportional integral controller (PI-C) for the series active filter of the UPQC integrated with the solar energy system and battery energy storage via boost converter (B-C) and buck boost converters (B-B-C). The main aim of the proposed FF-ANNC is to reduce the mean square error (MSE) thereby achieving the constant DC link capacitor voltage (DLCV) during load and irradiation variations, reduction of imperfections in current waveforms, improvement in power factor (PF), and mitigation of sag, swell, disturbances, and unbalances in the grid voltage. The working of developed FF-ANNC was tested on five test studies with different types of loads and source voltage balancing/unbalancing conditions. However, to demonstrate supremacy of the suggested FF-ANNC, a comparative study with the training methods like genetic algorithm (GA) and ant colony optimization (AC-O) and also with other methods that exist in literature like PI-C, fuzzy logic controller (FL-C), and artificial neuro fuzzy interface system (ANFI-S) was conducted. The proposed method reduces the total harmonic distortion to 2.39%, 2.32%, 2.27%, 2.45%, and 2.66% which are lower than the existing methods that are available in literature. The FF-ANNC shows an excellent performance in reducing voltage fluctuations and total harmonic distortion (THD) successfully and thereby improving PF.
A Perspective Approach to Study the Valency-Based Irregular Indices for Benzenoid Planar Octahedron Structures
Authors: Rosary Maria Singaraj , Alsinai Ammar , Siddiqui Mohammad Kamran , Ahmed Hanan
Published: April 2023

The molecular topology and the chemical structures which are not regular perform a dominant character in designing the compound in connection with their physical and chemical properties. The study of topological descriptors of molecular structures is widely used in the field of cheminformatics, information technology, biomedical science, and many more. Numerous topological indices have been evolved in the theory of chemistry. Graphs which are not regular can be specified using irregular measures. In this article, we find some irregularity indices, which are useful in Quantitative structure activity relationship for benzenoid structures. Based on the exact analytic expressions, the numerical and graphical comparison for benzenoid structures is also provided.
A Palindrome-Like Structure on 16p13.3 Is Associated with the Formation of Complex Structural Variations and SRRM2 Haploinsufficiency
Authors: Pagnamenta Alistair T. , Yu Jing , Willis Tracey A. , Hashim Mona , Seaby Eleanor G. , Walker Susan , Xian Jiaqi , Cheng Emily W. Y. , Tavares Ana Lisa Taylor , Forzano Francesca , Cox Helen , Dabir Tabib , Brady Angela F. , Ghali Neeti , Atanur Santosh S. , Ennis Sarah , Baralle Diana , Taylor Jenny C.
Published: April 2023

SRRM2 encodes a splicing factor recently implicated in developmental disorders due to a statistical enrichment of de novo mutations. Using data from the 100,000 Genomes Project, four unrelated individuals with intellectual disability (ID) were identified, each harbouring de novo whole gene deletions of SRRM2. Deletions ranged between 248 and 482 kb in size and all distal breakpoints clustered within a complex 144 kb palindrome situated 75 kb upstream of SRRM2. Strikingly, three of the deletions were complex, with inverted internal segments of 45-94 kb. In one proband-mother duo, de novo status was inferred by haplotype analysis. Together with two additional patients who harboured smaller predicted protein-truncating variants (p.Arg632

∗

and p.Ala2223Leufs

∗

13), we estimate the prevalence of this condition in cohorts of patients with unexplained ID to be ~1/1300. Phenotypic blending, present for two cases with additional pathogenic variants in CASR/PKD1 and SLC17A5, hampered the phenotypic delineation of this recently described condition. Our data highlights the benefits of genome sequencing for resolving structural complexity and inferring de novo status. The genomic architecture of 16p13.3 may give rise to relatively high rates of complex rearrangements, adding to the list of loci associated with recurrent genomic disorders.
Preparation and Properties of Boron Nitride or Aluminum Nitride Reinforced Glass Fiber/Modified Polyphenylene Sulfide Composites
Authors: Zhao Jingxian , Cai Shijie , Chen Xiaolu , Ren Haohao , Yan Yonggang
Published: April 2023

In this work, polyphenylene sulfide (PPS) containing carboxyl group was synthesized and used to prepare PPS-2COOH/LGF/AlN and composites with high-temperature resistance, corrosion resistance, low dielectric constant, and low dielectric loss were prepared with boron nitride/aluminum nitride (BN/AlN) and glass fiber (LGF). The results showed that the introduction of carboxyl groups did not affect the structure and thermal properties of PPS. The composites exhibited good mechanical properties with a tensile strength of 65 MPa~97 MPa and flexural strength of 112 MPa~154 MPa. The TGA results showed that the composites had good thermal stability, and the T5% of PPS-2COOH/LGF/AlN (20) and PPS-2COOH/LGF/BN (20) reached up to 511.6°C and 506.3°C, respectively. They were insoluble in some organic solvents, such as NMP and DMF at room temperature, and they exhibited excellent chemical resistance. The dielectric performance results showed that with the increase of frequency, the dielectric constant and dielectric loss gradually decreased, the dielectric constant of PPS-2COOH/LGF/BN (15) was 3.9, and the dielectric loss of PPS-2COOH/LGF/BN (15) was 0.01. From the above results, it can be concluded that the composite materials PPS-2COOH/LGF/AlN and PPS-2COOH/LGF/BN have potential application prospects in the field of 5G high thermal conductivity materials.
Denoising by Decorated Noise: An Interpretability-Based Framework for Adversarial Example Detection
Authors: Zhao Zitian , Zhan Wenhan , Cheng Yamin , Duan Hancong , Wu Yue , Zhang Ke
Published: April 2023

The intelligent imaging sensors in IoT benefit a lot from the continuous renewal of deep neural networks (DNNs). However, the appearance of adversarial examples leads to skepticism about the trustworthiness of DNNs. Malicious perturbations, even unperceivable for humans, lead to incapacitations of a DNN, bringing about the security problem in the information integration of an IoT system. Adversarial example detection is an intuitive solution to judge if an input is malicious before acceptance. However, the existing detection approaches, more or less, have some shortcomings like (1) modifying the network structure, (2) extra training before deployment, and (3) requiring some prior knowledge about attacks. To address these problems, this paper proposes a novel framework to filter out the adversarial perturbations by superimposing the original images with the noises decorated by a new gradient-independent visualization method, namely, score class activation map (Score-CAM). We propose to trim the Gaussian noises in a way with more explicit semantic meaning and stronger explainability, which is different from the previous studies based on intuitive hypotheses or artificial denoisers. Our framework requires no extra training and gradient calculation, which is friendly to embedded devices with only inference capabilities. Extensive experiments demonstrate that the proposed framework is sufficiently general to detect a wide range of attacks and apply it to different models.
Neuroprotective Effect of Wharton’s Jelly-Derived Mesenchymal Stem Cell-Conditioned Medium (WJMSC-CM) on Diabetes-Associated Cognitive Impairment by Improving Oxidative Stress, Neuroinflammation, and Apoptosis
Authors: Aghaei Zohre , Karbalaei Narges , Namavar Mohammad Reza , Haghani Masoud , Razmkhah Mahboobeh , Ghaffari Mahdi Khorsand , Nemati Marzieh
Published: April 2023

According to strong evidence, diabetes mellitus increases the risk of cognitive impairment. Mesenchymal stem cells have been shown to be potential therapeutic agents for neurological disorders. In the current study, we aimed to examine the effects of Wharton’s jelly-derived mesenchymal stem cell-conditioned medium (WJMSC-CM) on learning and memory, oxidative stress, apoptosis, and histological changes in the hippocampus of diabetic rats. Randomly, 35 male Sprague Dawley rats weighing 260–300 g were allocated into five groups: control, diabetes, and three diabetic groups treated with insulin, WJMSC-CM, and DMEM. The injections of insulin (3 U/day, S.C.) and WJMSC-CM (10 mg/week, I.P.) were done for 60 days. The Morris water maze and open field were used to measure cognition and anxiety-like behaviors. Colorimetric assays were used to determine hippocampus glutathione (GSH), malondialdehyde (MDA) levels, and antioxidant enzyme activity. The histopathological evaluation of the hippocampus was performed by Nissl staining. The expression levels of Bax, Bcl-2, BDNF, and TNF-α were detected by real-time polymerase chain reaction (RT-PCR). According to our findings, WJMSC-CM significantly reduced and increased blood glucose and insulin levels, respectively. Enhanced cognition and improved anxiety-like behavior were also found in WJMSC-CM-treated diabetic rats. In addition, WJMSC-CM treatment reduced oxidative stress by lowering MDA and elevating GSH and antioxidant enzyme activity. Reduced TNF-α and enhanced Bcl-2 gene expression levels and elevated neuronal and nonneuronal (astrocytes and oligodendrocytes) cells were detected in the hippocampus of WJMSC-CM-treated diabetic rats. In conclusion, WJMSC-CM alleviated diabetes-related cognitive impairment by reducing oxidative stress, neuroinflammation, and apoptosis in diabetic rats.
Design of Logistics Intelligent Warehouse Management System Based on Radio Frequency Identification Technology for 5G
Authors: Liu BinBin , Cai Jie
Published: April 2023

At present, the operation energy consumption of intelligent logistics warehouse management system based on B/S is too large, and the operation efficiency is low. In order to improve this situation, a design method of intelligent logistics warehouse management system based on radio frequency identification technology is proposed to optimize the hardware structure of the system. Based on the overall structure of the system, the network topology of the warehouse management system is divided into physical level, network level, data level, and application level. Further optimize the function and operation of the system software based on RFID technology, transfer the goods to the warehouse by logistics, count the goods, determine the goods location in the warehouse management system in the outbound management procedure, and collect the internal data of outbound goods through the RFID reader. Use the handling tools to transfer the picked goods to the warehouse out. The user management module mainly controls user login and user management. The statistical management of inventory is to clear and count the goods, which can provide a basis for the research in the field of intelligent logistics warehousing.
Edge Intelligence-Based OCS Fault Detection in Rail Transit Systems
Authors: Shi Xuetao , Zhao Hongli , Jiang Hailin , Zuo Huijun , Zhang Qiang
Published: April 2023

The Overhead Contact System (OCS) is critical infrastructure for train power supply in rail transit systems. OCS state monitoring and fault detection are indispensable to guarantee the safety of railway operations. The existing human-based OCS state monitoring and fault diagnosing method has some inherent drawbacks, such as poor real-time capability, low detecting precision, and waste of human resources. Edge Intelligence (EI) can perform complex computing tasks offloaded from trains within a little delay, and it is believed to help empower the OCS. In this paper, we propose an EI-based OCS state monitoring and fault detecting system. The latest Computer Vision (CV) model YOLOv5s is used to detect the OCS faults using the collected images. Edge Computing (EC) is used to perform the CV model inference. The EC system receives the OCS images taken by the train cameras and calculates the real-time fault detection results. The consistency and scalability of running jobs on edge devices are also addressed in our approach. Extensive experimental results demonstrate that the proposed EI-based system can detect OCS faults in real-time. The adopted YOLOv5s achieves a high fault detection rate, outperforming other models.
Research on Game Industry Cooperation Based on Evolutionary Game Model
Authors: Wu Zhen-Yu , Hu Li-Juan
Published: April 2023

With the arrival of the information age, the growth space of the game industry is expanding, and the interest relationship between game businesses is becoming more sensitive. To alleviate the increasingly fierce competitive pressure, some game businesses will seek cooperation to pursue more profits, but some businesses are unwilling to cooperate. In this paper, we study the interest relationship between competition and cooperation among game businesses by constructing a tripartite evolutionary game model. We first obtain the expected revenue by using the weighted average method and then obtain the replicator dynamic equation. The stability and the sensitivity of the equilibrium strategy combination of the evolutionary game system are discussed. Finally, simulation analysis of the evolutionary model is realized and some suggestions based on the deductive results are put forward. Simulation results show that the system achieves stability at the equilibrium point (0, 1, 1) or (1, 1, 1). The equilibrium point (0, 1, 1) indicates that online game businesses select competition, while web and stand-alone game businesses seek cooperation. The equilibrium point (1, 1, 1) indicates that the tripartite actively seeks cooperation.
Real-Life Experience and Predictors of Visual Outcomes with Intravitreal Brolucizumab Switch for Treatment of Neovascular Age-Related Macular Degeneration
Authors: Cavalleri Michele , Tombolini Beatrice , Sacconi Riccardo , Gatta Gianpaolo , Valeri Renato , Bandello Francesco , Querques Giuseppe
Published: April 2023

Introduction: To analyze visual and anatomical outcomes after switch to intravitreal brolucizumab therapy in eyes affected by neovascular age-related macular degeneration (nAMD) previously treated with other intravitreal anti-vascular endothelial growth factor (anti-VEGF) agents. Methods: Retrospective study of eyes with nAMD that underwent intravitreal brolucizumab at San Raffaele Hospital (Milan, Italy) or San Rocco Clinical Institute (Ome, Italy) between January 2021 and July 2022. All study eyes had persistent residual retinal fluid after receiving at least 3 intravitreal injections of other anti-VEGF agents prior to switch to brolucizumab. Results: Among 66 eyes from 60 patients (35 males; mean age 76.5 ± 7.4 years) with nAMD, 43 (65.2%) eyes received a complete loading dose of 3 brolucizumab injections, while 15 (22.7%) and 8 (12.1%) eyes were treated with 2 or 1 brolucizumab injections, respectively. The average number of brolucizumab injections was 2.5 during 4.0 ± 2.0 months (mean interval between two injections of 51.2 days). Lower letter gains (<5 letter improvement from baseline) were found in eyes that did not complete a loading dose, after a greater number of previous anti-VEGF injections, after a longer duration of disease, and in eyes with a greater rate of macular atrophy at baseline. No serious ocular or systemic adverse events were found after switch to brolucizumab. Conclusion: nAMD eyes with persistent residual retinal fluid despite frequent anti-VEGF treatment can still gain functional and anatomical improvements after switch to brolucizumab therapy. Despite a relevant heterogeneity in patients’ response to brolucizumab, we identified potential biomarkers for functional and anatomical improvement.
Growth Hormone Dose Modulation and Final Height in Short Children Born Small for Gestational Age: French Real-Life Data
Authors: Coutant Régis , Leheup Bruno , Nicolino Marc , Salles Jean-Pierre
Published: April 2023

Introduction: Growth hormone (GH) therapy improves height outcomes in short children born small for gestational age (SGA); however, real-world data on long-term GH exposure are few. Methods: We report results from an observational study (NCT01578135) including children born SGA, treated with GH at 126 sites in France, and followed up for >5 years until achieving final adult height (FAH) or until study termination. Primary endpoints were the proportion of patients with normal (>−2) height standard deviation score (SDS) at the last visit and with normal FAH SDS. Post hoc analyses were performed by multivariate logistic regression analysis with stepwise elimination to identify factors associated with GH dose modulation and normal height SDS achievement. Results: Of 1,408 registered patients, a representative sample (n = 291) was selected for long-term follow-up. At the last visit, 193/291 (66.3%) children achieved normal height SDS and 72/291 (24.7%) reached FAH. FAH SDS was >–2 for chronological age in 48 (66.7%) children and >–2 for adult age in 40 (55.6%) children. In the post hoc analyses, height SDS at the last visit was a significant determinant of whether GH dose had been modulated. Factors significantly associated with reaching normal height SDS were baseline height SDS (taller, better), age at treatment start (younger, better), treatment duration excluding discontinuation periods (longer, better), and absence of a chronic disease. Most (70%) adverse events were non-serious, with 39% considered possibly/probably related to GH treatment. Conclusions: GH therapy was fairly effective in most short children born SGA. No new safety concerns were identified.
Geologia basica para engenheiros
Authors: Ulbrich Horstpeter Herberto Gustavo José , Madureira Filho José Barbosa de , Del Lama Eliane Aparecida ,   Universidade de São Paulo. Instituto de Geociências, Dehira Lauro Kazumi
Published: April 2023

A elaboração deste livro surgiu da experiência dos primeiros autores no ensino de Geologia ministrado no Instituto de Geociências-USP para os alunos do curso de Engenharia Civil da Escola Politécnica-USP, por uma década. Nesse sentido, esta obra aborda os conceitos geológicos aplicados à Engenharia. O objetivo é apresentar os principais conceitos e fornecer bibliografia adicional para um maior aprofundamento da matéria.
A antropologia inquieta de Victor Turner
Authors: Cavalcanti Maria Laura Viveiros de Castro
Published: April 2023

A partir de uma visão geral da formação e obra de Victor Witter Turner e de sua recepção pela antropologia brasileira iniciada nos anos 1970, o artigo focaliza o livro Schism and Continuity in an African Society, de 1957, resultante da pesquisa realizada pelo casal Turner na primeira metade dos anos 1950 entre os Ndembu, habitantes do noroeste da atual Zâmbia. Argumenta-se que o impulso propulsor da criativa inquietude que caracteriza a obra de Turner pode ser apreendido por meio de uma leitura etnográfica do conceito de drama social, em meio ao qual a noção de ritual emerge como potente contracorrente narrativa. O foco nessa noção permite indicar desdobramentos conceituais futuros do autor nos quais a etnografia dos Ndembu veio dialogar com temas como a brancura da baleia do romance Moby Dick de Herman Melville, as sagas nórdicas, as peregrinações católicas, as ordens franciscanas, o movimento hippie e as performances teatrais.
Pedras em movimento
Authors: Zea Evelyn Martina Schuler
Published: April 2023

De onde o movimento recebe impulso? Seja numa performance ou intervenção ou no discurso, de onde vem sua motivação? E mesmo: quanto movimento há no movimento? Essas e outras questões são mobilizadas no ensaio que segue em circunstâncias de sua aparente privação ou impossibilidade: os silêncios do discurso, a imobilidade das pedras ou os desafios da morte.
A Foreign Body in an Unexpected Place—Ingested Hardware Nails Within the Appendix
Authors: Monreal Alberto J. , Vanuno Daniel G.
Published: April 2023

Foreign body ingestion is commonly encountered in clinical practice, with over 100,000 cases reported annually in the United States. The majority of objects pass through the gastrointestinal tract spontaneously and without consequence, with fewer than 1% of objects requiring surgical intervention. Foreign bodies have rarely been found lodged within the appendix. We report the therapeutic management of a young patient who ingested over 30 hardware nails. The patient originally underwent an esophagogastroduodenoscopy with attempted removal from the stomach and duodenum, though only 3 nails were successfully extracted. The patient was able to excrete all but 2 of the nails that remained localized to the right lower quadrant without perforation to their gastrointestinal tract. Laparoscopic exploration with fluoroscopic guidance was performed and both foreign bodies were found lodged within the appendix. The patient made an uneventful recovery after laparoscopic appendectomy.
Better CSR? return to neighborliness
Authors: Bazin Yoann , Korica Maja
Published: April 2023

Corporate Social Responsibility (CSR) is often criticized for being overly broad and abstract, if not cynical and deceitful. This leaves many stakeholders frustrated or disengaged, including occasionally the organization’s own staff and shareholders. We see the extraordinary disruptions of the past three years amid the COVID-19 pandemic as an opportunity to reengage with CSR in a more meaningful way. Echoing early conceptualizations by academics and practitioners, we turn to the idea of neighborliness as a guide for this transformation, outlining concrete ways in which this can be operationalized for focused engagements that reflect each company’s embeddedness in distinct communities.
Welcome to parenthood!? An examination of the far-reaching effects of perceived adoption stigma in the workplace
Authors: Hackney Kaylee J , Quade Matthew J , Carlson Dawn S , Hanlon Ryan P , Thurgood Gary R
Published: April 2023

While there may be no difference in terms of the love, care, and bond shared between parent and child, relationships created through adoption are often viewed less favorably in our society compared with those that possess a biological tie. Integrating minority stress and family systems theories, we seek to better understand working adoptive parents’ experiences and how the perceived stigma of being an adoptive parent negatively impacts a variety of work and family outcomes. Using a sample of 501 couples that adopted a child, we find that work–family conflict mediates the relationship between perceived adoption stigma and primary effects (i.e. job satisfaction and depression) as well as spillover effects (i.e. family satisfaction and parent–child bonding) for the job incumbent. Further, we find that the employee’s perceived adoption stigma also has crossover effects to their spouse, negatively impacting the spouse’s depression, family satisfaction, and parent–child bonding. Implications for theory and practice, limitations, and future research are discussed.
Analysis of COVID-19 Vaccinations and Symptom Mapping Diagnostic Technique for Viral Diseases: Using Data Analytics, Machine Learning, and Artificial Intelligence
Authors: Kalu Chikezie Kennedy
Published: April 2023

To analyze, understand, and measure the COVID-19 vaccination outlook in a developing country as Nigeria; and the non-clinical analysis, diagnosis, treatment and management of COVID-19, and other Viral Diseases, using Data/Machine Learning (ML)/Artificial Intelligence (AI), Analytical Tools, and Methodologies. Using current and historical data from validated open source data stores, analysis was carried out on COVID-19 vaccination and related economic, demographic, and geo-climatic data for a developing country, Nigeria and selected countries from all continents of the world. The methodical and data-driven analyses were carried out using the following Data/Artificial Intelligence (AI) methodologies and algorithms: Excel Data Analytics, Multivariate Linear Regression Analysis method in Machine Learning (ML) Engineering, Symptom Mapping Analysis, Gray System Analysis. The COVID-19 vaccinations expectedly does reduce the number of active COVID cases and the amount or number of vaccinations for a developing country as Nigeria is affected by a good number of economic, demographic, and geo-climatic factors; and so COVID-19 vaccinations strategies must be unique to a country and categories of countries and take into account influencing factors not only limited to number of active COVID cases. The strategies (including vaccinations roll-out) to eliminate COVID-19 can be better understood and managed for increased productivity and faster success rate in the fight against COVID-19. Medical practitioners can provide even more efficient diagnosis and treatment of viral diseases; and also patients can carry out personalized cost effective diagnosis and treatment/management of viral diseases, with also the advises of medical practitioners.
Spouses’ attachment orientations shape physiological responses to relational stress over time
Authors: Beck Lindsey A , Pietromonaco Paula R , Ge Fiona , Carnes Nate C , Laws Holly , Powers Sally I
Published: April 2023

This research examined how the interplay between spouses’ attachment orientations contributes to physiological responses to relational stress. Mixed-gender newlyweds ( N Wave 1 = 218 couples; N Wave 2 = 184 couples; N Wave 3 = 164 couples) discussed relationship conflicts during three laboratory sessions over the first 3–4 years of marriage. Individuals provided saliva samples to assess their cortisol levels before, during, and after each conflict, which reflected physiological responses to stress. Across all three waves, anxiously-attached individuals showed greater cortisol reactivity (via faster rates of cortisol change and/or more exaggerated changes in cortisol slope) in anticipation of conflicts, especially when they had an avoidantly-attached partner. Findings highlight the dyadic nature of spouses’ responses to relational stress.
Proteomic Analyses of Autologous Chondrocyte Implantation Plasma Highlight Cartilage Acidic Protein 1 as a Candidate for Preclinical Screening
Authors: Hulme Charlotte H. , Peffers Mandy J. , Roberts Sally , Gallacher Pete , Jermin Paul , Wright Karina T.
Published: April 2023

Background:

Stratification is required to ensure that only patients likely to benefit receive autologous chondrocyte implantation (ACI). It would be advantageous to identify biomarkers to predict ACI outcome that are measurable in blood, avoiding the need for an invasive synovial fluid harvest.

Purpose:

To assess if proteomic analyses can be used to identify novel candidate blood biomarkers in individuals who respond well or poorly to ACI.

Study Design:

Controlled laboratory study.

Methods:

Isobaric tagging for relative and absolute quantitation (iTRAQ) mass spectrometry was used to assess the proteome in plasma pooled from ACI responders (mean Lysholm improvement after ACI, 33; n = 10) or nonresponders (mean, −13; n = 10), collected at the time of surgery for cartilage harvest (stage 1) or implantation of culture-expanded chondrocytes (stage 2). An alternative proteomic method, label-free quantitation liquid chromatography–tandem mass spectrometry, was used to analyze plasma samples (majority matched to iTRAQ) individually. Differentially abundant proteins (±2.0-fold) were analyzed from both proteomic data sets, and markers of interest identified via pooled iTRAQ were validated via immunoassay of individual samples.

Results:

Protein differences could be detected in the plasma preoperatively between ACI responders and nonresponders (16 proteins; ≥±2.0-fold change; P < .05) using iTRAQ proteomics. The most pronounced plasma proteome shift was evident in response to stage 1 surgery in ACI nonresponders, with 48 proteins being differentially abundant between the procedures. Label-free quantitation liquid chromatography–tandem mass spectrometry analysis of these same plasma samples (nonpooled) resulted in very few proteins being identified that were significantly differentially abundant. However, this work highlighted cartilage acidic protein 1 as being increased preoperatively in nonresponders as compared with responders.

Conclusions:

This study is the first to use proteomic techniques to profile the plasma of individuals treated with ACI. Despite iTRAQ analysis of pooled plasmas indicating that there are differences in the plasma proteome between responders and nonresponders to ACI, these findings were not replicated when assessed using an alternative nonpooled technique. This study highlights some of the difficulties in profiling the plasma proteome in an attempt to identify novel biomarkers. Regardless, cartilage acidic protein 1 has been identified as a protein candidate, which is detectable in plasma and can predict outcome to ACI before treatment.

Clinical Relevance:

Candidate plasma protein biomarkers identified in this study have the potential to help determine which patients will be best suited to treatment with ACI.
Identifying Healthcare Stereotype Threat in Older Gay Men Living with HIV
Authors: Singleton Mekiayla C. , Green Daniel C. , Enguidanos Susan M.
Published: April 2023

Healthcare stereotype threat (HCST) is defined as “being reduced to group stereotypes within an individual’s healthcare encounter,” leading to experiences of stigma and discrimination. This current study explores how older gay men living with HIV attribute their healthcare experiences to their social identities. Using HCST as a guiding framework, a content and structural coding analysis was conducted on transcripts from 11 interviews of older gay men living with HIV. The majority of HCST experiences were connected to the social identities of sexual orientation, HIV status, and age. Many of the healthcare experiences that participants discussed were related to interactions with healthcare providers and the attitudes of healthcare providers. This study illustrates how participants attributed social identities to healthcare experiences that showed qualities of HCST. These outcomes highlight how marginalized social identities impacted the lifetime healthcare experiences of this group of older gay men living with HIV.
Multiemployer Pensions and the American Rescue Plan Act of 2021: A Progress Report
Authors: Kilgour John G.
Published: April 2023

At the end of FY 2020, there were 1369 multiemployer (“union”) pension plans in the United States with almost 10.9 million participants. However, the structure of those participants had changed drastically. By FY 2018, only 36.4% were active members for whom employers made contributions. A total of 66.6% were either retired and collecting retirement benefits or separated-vested former employees entitled to future benefits. Multiemployer pension plans in the private sector of the United States were in trouble. The American Rescue Plan Act of 2021 allocated $97 billion to about 250 troubled multiemployer plans with three million participants for Special Financial Assistance (SFA). Thus far 21 plans with 123,375 participants have been approved to receive $502.9 from transfers from the U.S. Treasury Department. The remainder of the allocation is to be distributed by 2030. This paper examines this important development and its implications.
Special Education Teacher-Delivered Training for Paraeducators: A Systematic and Quality Review
Authors: Borosh Amanda M. , Newson Alexandra , Mason Rose A. , Richards Charissa D. , Collins Crosley Hannah
Published: April 2023

Schools rely heavily on paraeducators to support the delivery of special education services for students with disabilities (SWDs). However, paraeducators often lack formal training in implementing evidence-based practices. Traditional methods of professional development are not effective at producing long-term changes in classroom staff. Prior research shows that paraeducators can implement skills with high fidelity when provided experiential training or coaching; however, most research has included researcher-as-trainer for paraeducators. Training delivered by special education teachers (SETs) may be a more sustainable training framework. We conducted a systematic and quality review of research on SET-delivered training to improve paraeducators’ implementation of skills for supporting SWDs. We identified 11 studies with moderate or high methodological rigor and found behavioral skills training was the most common method used by SETs to train paraeducators. Contextual variables including participant characteristics, target skills, and procedural fidelity were synthesized to provide a summary of strengths and gaps in the research.
Empathy in Nursing Students: A Scoping Review
Authors: Juniarta  , Eka Ni Gusti Ayu , Ferawati Sitanggang Yenni
Published: April 2023

Purpose: Empathy is essential for nursing students as they progress through their education. To date, few review studies explored empathy in nursing students. This review examined empathy in nursing students, including how to promote empathy, factors contributing to empathy, and the evaluation of empathy. Design: The eligible population included undergraduate nursing students. The concept of interest was empathy related to nursing students. The context was undergraduate nursing programs. Eligible studies included quantitative, qualitative, and mixed-method studies. The protocol was registered in Open Science Framework (OSF). Review Methods: Joanna Briggs Institute Reviewers’ Manual guided this scoping review protocol. MEDLINE with Full text (EBSCO), Scopus, ScienceDirect (Elsevier), and PubMed were used for the electronic database search. The findings were analyzed with descriptive statistics and thematic analysis. Findings: A total of 94 articles were included for analysis. Three main themes emerged: (1) approaches to promoting empathy, (2) contributing factors to empathy, and (3) evaluation of empathy. Conclusions: Empathy is cultivated in nursing in numerous ways, highlighting the need to incorporate it into the nursing curriculum. There is also controversy regarding the relationship between empathy and individual characteristics. This finding highlights the need for more effective empathy-promoting educational training that considers these personal characteristics.
Toward Antifragility: Social Defeat Stress Enhances Learning and Memory in Young Mice Via Hippocampal Synaptosome Associated Protein 25
Authors: Yang Liu , Shi Li-Jun , Shen Shi-Yu , Yang Jing-Yan , Lv Su-Su , Wang Zhe-Chen , Huang Qian , Xu Wen-Dong , Yu Jin , Zhang Yu-Qiu
Published: April 2023

Social adversity not only causes severe psychological diseases but also may improve people’s ability to learn and grow. However, the beneficial effects of social adversity are often ignored. In this study, we investigated whether and how social adversity affects learning and memory in a mouse social defeat stress (SDS) model. A total of 652 mice were placed in experimental groups of six to 23 mice each. SDS enhanced spatial, novelty, and fear memory with increased synaptosome associated protein 25 ( SNAP-25) level and dendritic spine density in hippocampal neurons among young but not middle-aged mice. Chemogenetic inhibition of hippocampal CaMK2A + neurons blocked SDS-induced enhancement of learning or memory. Knockdown of SNAP-25 or blockade of N-methyl-D-aspartate (NMDA) receptor subunit GluN2B in the hippocampus prevented SDS-induced learning memory enhancement in an emotion-independent manner. These findings suggest that social adversity promotes learning and memory ability in youths and provide a neurobiological foundation for biopsychological antifragility.
Professional translators’ and interpreters’ views on information competence: An exploratory qualitative study from the Spanish context
Authors: Sales Dora
Published: April 2023

Information competence is essential in professional translation and interpreting. This paper gathers the views of professional translators and interpreters in Spain on information competence, by means of an exploratory qualitative study. A questionnaire composed essentially of open-ended questions was applied to gather data and the qualitative analysis software ATLAS.ti was used to code the results using thematic content analysis methods. The views provided by a sample of professional translators and interpreters ( n = 156) on the importance of information competence were collected, together with their recommendations on this key competence for those who are starting their training in translation and interpreting. The study also explores the main information needs highlighted by professionals, the sources of information they use most frequently and how they verify information, and their opinions on the gender perspective (with explicit mention of inclusive language) as part of information competence in professional practice. The results show that professionals consider information competence to be absolutely essential in the framework of translation competence, and recommend reinforcing information literacy training in university undergraduate degree programmes. They have multiple information needs (from terminological to contextual) that make them turn to a wide range of information resources (mainly personal sources and online documentary resources), but they need to strengthen their knowledge for information evaluation. Regarding the gender perspective, professionals practically limit their answers to their opinions on inclusive language and, although most of them are in favour, some resistance is detected. From the diagnosis carried out in this research, opportunities for supporting information literacy instruction in undergraduate degrees and in continuing professional development are identified.
Self-sensing active artificial hair cells inspired by the cochlear amplifier, Part II: Experimental validation
Authors: Davaria Sheyda , Malladi Vijaya V N Sriram , Tarazaga Pablo A
Published: April 2023

Mimicking the nonlinear compressive behavior of the mammalian cochlear amplifier that results in the compression of high-intensity sounds and amplification of faint stimuli can lead to transformative improvements in the dynamic range, sharpness of the response, and threshold of sound detection in cochlear implants to aid individuals with hearing loss. Furthermore, it can enhance the dynamic properties of sensors. This research on developing self-sensing artificial hair cells (AHCs) validates the phenomenological control algorithm established in Part I of the paper to achieve a cochlea-like response from the quadmorph AHCs. As the beam is excited, the voltage of the piezoelectric layers is measured and used to generate a control voltage. Consequently, the controller applies cubic damping to the AHC, while reducing linear damping near its first natural frequency to replicate the biological cochlea’s function. Experimental results validate the model built in Part I of the paper and the work is extended to implement a multi-channel AHC. The system works independent of external sensors and offers significant advantages over previous generations of AHCs such as the ability to embed AHCs in a limited space and to combine several AHCs in an array without the need for external feedback measurement devices.