bluuebunny/crossref_metadata_2025_split huggingface dataset:
Secondary school teachers’ perception of the Delta State Government COVID-19 lockdown educational broadcasts
Authors: Edoh Onome , Olannye-Okonofua Dumebi 
Published: February 2023

This study looks into teachers' perceptions of the Delta State Government's Covid-19 educational broadcast. The cross-sectional research design was utilized in conjunction with the survey method. Using Likert scale questions, 150 teachers from Delta State's three senatorial districts were polled. The data was analyzed using simple percentages, and the mean scores were used to determine the suitability of the results. Based on the media perception theory, the study sought to determine secondary school teachers' perceptions of government educational broadcasts during the Covid-19 lockdown, and it discovered that instructors in Delta State are not sufficiently exposed to educational broadcasting. The study concludes that, despite finding the content and quality of the Covid 19 broadcasts to be appropriate for learning, secondary school teachers in Delta State do not use educational broadcasting as a teaching method. The study suggests that secondary school teachers be regularly exposed to educational broadcasting and receive ongoing training on how to use it as an alternative to classroom instruction.
Green Human Resource Management Practices in Hospitality Industry: A General Review
Authors: Palguna I Gede Rai 
Published: February 2023

Abstract: Purpose: This article aims to explore the concept of Green Human Resource Management (HRM), the Green HRM model, and the practice of Green HRM implementation in the hospitality industry.
Research methods: This study used a qualitative descriptive method with literature review. The article was taken as study material using the Google Scholar search engine.
Findings: Human resource managers must have a good awareness of the Green HRM concept, after which Green HRM practices can be carried out, such as: green building concepts, minimizing paper use, recycling and disposal of waste, and energy conservation. They should clearly integrate the concept of Green HRM in human resource functions.
Implication: Employees are expected to have a vision of sustainability, which is in the end company also concentrates not only on economic sustainability, but also ecology, and the social environment.
Artes visuais na educação infantil: um olhar para as práticas docentes a partir da revisão bibliográfica sistemática na BDTD
Authors: Freitas Ana Cláudia de Oliveira , Vidal Fabiana Souto Lima 
Published: February 2023

O presente artigo apresenta uma revisão bibliográfica sistemática, realizada na base de dados da Biblioteca Digital Brasileira de Teses e Dissertações (BDTD) do Instituto Brasileiro de Informação em Ciência e Tecnologia (IBICT), com recorte temporal entre 2010 e 2020, com o objetivo de identificar o que se tem produzido em relação às práticas docentes em Artes Visuais na Educação Infantil. Foram encontrados 8 trabalhos que apontam para a presença de práticas retrógradas em relação às Artes Visuais na etapa inicial da educação. A formação docente se apresenta como um dos fatores geradores de tal processo, somado ao pouco convívio com artefatos e espaços artísticos por parte dos docentes. Verificou-se a necessidade da formação inicial e da formação continuada para os docentes, mas também a necessidade de investimento pessoal, público, legal e científico em prol do reconhecimento das Artes Visuais como importante área de conhecimento a ser explorada em busca da formação integral e cidadã das infâncias do Brasil.
Teatro, Educação e Política: Freire e Boal contracenam no CEDECA Ceará
Authors: Leão Fernando Antônio Fontenele 
Published: February 2023

O que queremos dizer ao falar de uma perspectiva de ensino-aprendizagem em teatro, referenciada na educação popular, voltada para a discussão dos direitos humanos? Neste trabalho, reflito sobre a experiência de criação de um grupo de teatro com adolescentes e jovens assistidos pelo CEDECA Ceará, em um bairro periférico de Fortaleza, no ano de 2019, além de discutir o lugar da arte na atuação educacional e política dessa instituição e apresentar as linhas gerais de uma concepção de ensino-aprendizagem em teatro, a partir de um diálogo entre os pensamentos de Paulo Freire e de Augusto Boal. Tendo atuado como assessor comunitário e como coordenador do Núcleo de Formação do CEDECA Ceará, este trabalho surge de uma reflexão crítica a partir da participação, observação, entrevistas e leitura de documentos e textos publicados pela instituição. Entendo que a perspectiva de ensino-aprendizagem em teatro, aqui apresentada, pode inspirar caminhos para uma práxis estética, educacional e política cujo fim seja o respeito e a valorização da autonomia, da dignidade e da identidade dos sujeitos participantes do processo.
Characterization of Streptomyces sp. KB1 and its cultural optimization for bioactive compounds production
Authors: Lertcanawanichakul Monthon , Sahabuddeen Tuanhawanti 
Published: February 2023

Background
Bioactive compounds (BCs) from natural resources have been extensively studied because of their use as models in the development of novel and important medical and biopreservative agents. One important source of BCs is microorganisms, particularly terrestrial bacteria of the order Actinomycetales.

Methods
We characterized Streptomyces sp. KB1 by observing its morphology, physiology, and growth on different media using biochemical tests, optimizing cultural conditions by changing one independent variable at a time.

Results
Streptomyces sp. KB1 (TISTR 2304) is a gram-positive and long filamentous bacteria that forms straight to flexuous (rectiflexibile) chains of globose-shaped and smooth-surfaced spores. It can grow under aerobic condition s only at a temperature range of 25–37 °C and initial pH range of 5–10 in the presence of sodium chloride 4% (w/v). Therefore, it is considered an obligate aerobe, mesophilic, neutralophilic, and moderately halophilic bacteria. The isolate grew well on peptone-yeast extract iron, Luria Bertani (LB), and a half-formula of LB (LB/2), but could not grow on MacConkey agar. It utilized fructose, mannose, glucose, and lactose as its carbon source along with acid production and showed positive reactions to casein hydrolysis, gelatin liquefaction, nitrate reduction, urease, and catalase production. Streptomyces sp. KB1 (TISTR 2304) could produce the maximum number of BCs when 1% of its starter was cultivated in a 1,000 ml baffled flask containing 200 ml of LB/2 broth with its initial pH adjusted to 7 with no supplemental carbon source, nitrogen source, NaCl, or trace element at 30 °C, shaken at 200 rpm in an incubator for 4 days.
Tepperotettix reliqua (Orthoptera: Tetrigidae), a lonely Papuan relict in Australia
Authors: Kasalo Niko , Fisher Nicholas John , Creek Evan , Connors Matthew 
Published: February 2023

ABSTRACT
Australia is a biogeographically interesting region in which Tetrigidae are understudied. This paper provides numerous new records of the species Tepperotettix reliqua Rehn, 1952 and expands the information about its distribution and habitat. With nearly 300 hundred published records, this species becomes one of the most well-known tetrigid from Australia. The literature regarding the species is critically reviewed and discussed. A discussion comparing T. reliqua to similar species is carried out to review the hypotheses regarding its taxonomy and evolution. The species Devriesetettix dorreus Tumbrinck, 2014a is found to be a probable close relative of T. reliqua but their evolutionary history remains a mystery. Both species do not possess the morphology that would allow them to be classified under Cladonotinae but without a comprehensive review, it is difficult to properly place them.
Association of Long-term Exposure to Particulate Air Pollution With Cardiovascular Events in California
Authors: Alexeeff Stacey E. , Deosaransingh Kamala , Van Den Eeden Stephen , Schwartz Joel , Liao Noelle S. , Sidney Stephen 
Published: February 2023

ImportanceLong-term exposure to fine particulate air pollution (PM2.5) is a known risk factor for cardiovascular events, but controversy remains as to whether the current National Ambient Air Quality Standard (12 μg/m3 for 1-year mean PM2.5) is sufficiently protective.ObjectiveTo evaluate the associations between long-term fine particulate air pollution and cardiovascular events using electronic health record and geocoded address data.Design, Setting, and ParticipantsThis retrospective cohort study included adults in the Kaiser Permanente Northern California integrated health care system during 2007 to 2016 and followed for up to 10 years. Study participants had no prior stroke or acute myocardial infarction (AMI), and lived in Northern California for at least 1 year. Analyses were conducted January 2020 to December 2022.ExposureLong-term exposure to PM2.5. Individual-level time-varying 1-year mean PM2.5 exposures for every study participant were updated monthly from baseline through the end of follow-up, accounting for address changes.Main Outcomes and MeasuresIncident AMI, ischemic heart disease (IHD) mortality, and cardiovascular disease (CVD) mortality. Cox proportional hazards models were fit with age as time scale, adjusted for sex, race and ethnicity, socioeconomic status, smoking, body mass index, baseline comorbidities, and baseline medication use. Associations below the current regulation limit were also examined.ResultsThe study cohort included 3.7 million adults (mean [SD] age: 41.1 [17.2] years; 1 992 058 [52.5%] female, 20 205 [0.5%] American Indian or Alaskan Native, 714 043 [18.8%] Asian, 287 980 [7.6%] Black, 696 796 [18.4%] Hispanic, 174 261 [4.6%] multiracial, 1 904 793 [50.2%] White). There was a 12% (95% CI, 7%-18%) increased risk of incident AMI, a 21% (95% CI, 13%-30%) increased risk of IHD mortality, and an 8% (95% CI, 3%-13%) increased risk of CVD mortality associated with a 10 μg/m3 increase in 1-year mean PM2.5. PM2.5 exposure at moderate concentrations (10.0 to 11.9 μg/m3) was associated with increased risks of incident AMI (6% [95% CI, 3%-10%]) and IHD mortality (7% [95% CI, 2%-12%]) compared with low concentrations (less than 8 μg/m3).Conclusions and RelevanceIn this study, long-term PM2.5 exposure at moderate concentrations was associated with increased risks of incident AMI, IHD mortality, and CVD mortality. This study’s findings add to the evidence that the current regulatory standard is not sufficiently protective.
Cell‐free chromatin immunoprecipitation can determine tumor gene expression in lung cancer patients
Authors: Trier Maansson Christoffer , Meldgaard Peter , Stougaard Magnus , Nielsen Anders Lade , Sorensen Boe Sandahl 
Published: February 2023

Cell‐free DNA (cfDNA) in blood plasma can be bound to nucleosomes that contain post‐translational modifications representing the epigenetic profile of the cell of origin. This includes histone H3 lysine 36 trimethylation (H3K36me3), a marker of active transcription. We hypothesised that cell‐free chromatin immunoprecipitation (cfChIP) of H3K36me3‐modified nucleosomes present in blood plasma can delineate tumour gene expression levels. H3K36me3 cfChIP followed by targeted NGS (cfChIP‐seq) was performed on blood plasma samples from non‐small‐cell lung cancer (NSCLC) patients (NSCLC, n = 8), small‐cell lung cancer (SCLC) patients (SCLC, n = 4) and healthy controls (n = 4). H3K36me3 cfChIP‐seq demonstrated increased enrichment of mutated alleles compared with normal alleles in plasma from patients with known somatic cancer mutations. Additionally, genes identified to be differentially expressed in SCLC and NSCLC tumours had concordant H3K36me3 cfChIP enrichment profiles in NSCLC (sensitivity = 0.80) and SCLC blood plasma (sensitivity = 0.86). Findings here expand the utility of cfDNA in liquid biopsies to characterise treatment resistance, cancer subtyping and disease progression.
A two‐step treatment planning strategy incorporating knowledge‐based planning for head‐and‐neck radiotherapy
Authors: Liu Han , Sintay Benjamin , Wiant David 
Published: February 2023

AbstractPurposeThere has been much research interest in automated head‐and‐neck (HN) planning with the goal of reducing planning time and inter‐planner variability while improving plan quality. However, clinical uses are still limited and institution‐dependent due to the plan complexity. This work aims to investigate whether the use of a novel semi‐automated two‐step optimization method (TSP) can improve the quality and efficiency of planning while providing a simple framework that other institutions can follow.Methods and materialsForty patients (two and three prescription isodose levels) were retrospectively studied. Plans were generated by TSP which incorporates a knowledge‐based planning solution. Comparisons were performed for plan conformity and selected dose‐volume indices between clinical plan (CP) and TSP. Blind reviews were carried out by 15 clinicians to determine preference between the CP and TSP, as well as clinical suitability.ResultsFor majority of patients studied, TSP had similar or slightly better conformity for the high‐dose PTV, and better conformity for the low‐dose PTV and 45 Gy isodose lines compared to CP. The only statistically significant difference observed for the serial organs was a reduction of the spinal cord maximum dose with TSP. Except for left parotid gland (Dmean and V30 for both 2R× and 3R× groups) and oral cavity (Dmean for 3R× group), TSP had significant dose reductions for all parallel organs compared to CP. Blind reviewers either showed preference/no preference for 57.2%/21.7% (2R×) and 57.5%/27.8% (3R×) of TSP compared with CP. Excluding no preference votes, 60% of TSP were preferred. TSP was selected majority of the time when looking at the vote distribution for each patient individually.ConclusionOur TSP allows plans to be created within 90‐min time frame while offering improvements in plan quality and less inter‐planner variability as compared to traditional planning techniques.
Tailoring the Interfacial Electric Field Using Silicon Nanoparticles for Stable Zinc‐ion Batteries
Authors: Wu Haiyang , Yan Wen , Xing Yimin , Li Lin , Liu Jiayi , Li Li , Huang Peng , Lai Chao , Wang Chao , Chen Weihua , Chou Shulei 
Published: February 2023

AbstractAqueous zinc‐ion batteries (ZIBs) are among the most promising next‐generation energy storage systems due to their high level of safety, environmental friendliness, and low cost. However, the dendritic growth of Zn deposition leads to low Coulombic efficiency and severe capacity degradation, which limits their large‐scale application. In this study, silicon nanoparticles are used as electrolyte additives which can regulate the uniform electrodeposition of Zn by the formation of SiOZn bonds. Theoretical calculations and experimental investigations demonstrate that the silicon layer regulates the interfacial charge distribution, resulting in a lower nucleation energy barrier for the Zn anode. Consequently, Zn|Zn symmetric cells with nano‐Si electrolyte additives achieve remarkable cycling stability for 1250 cycles at 5 mA cm−2. When coupled with NaV3O8 cathodes, the resulting ZIBs deliver a high reversible capacity of 250 mAh g−1 and significantly improved capacity retention after long‐term cycles.
Quinoxaline‐Based X‐Shaped Sensitizers as Self‐Assembled Monolayer for Tin Perovskite Solar cells
Authors: Afraj Shakil N. , Kuan Chun‐Hsiao , Lin Jian‐Sing , Ni Jen‐Shyang , Velusamy Arulmozhi , Chen Ming‐Chou , Diau Eric Wei‐Guang 
Published: February 2023

AbstractFour X‐shaped quinoxaline‐based organic dyes, PQx (1), TQx, (2), PQxD (3), and TQxD (4) (D = dye sensitizers) are developed and served as p‐type self‐assemble monolayer (SAM) for tin perovskite solar cells (TPSC). Thermal, optical, and electrochemical properties of these SAMs are thoroughly investigated and characterized. Tin perovskite layers are successfully deposited on these four SAM surfaces according to a two‐step approach and the devices exhibit power conversion efficiency in the order of TQxD (8.3%) > TQx (8.0%) > PQxD (7.1%) > PQx (6.1%). With thiophene π‐extended conjugation unit in SAM structure, TQxD (4) exhibits the highest hole extraction rates, greatest hole mobilities, and slowest charge recombination to achieve great device performance of 8.3%, which is the current best result for SAM‐based TPSC ever reported. Furthermore, all devices except PQx shows great enduring stability for the performance retaining ≈90% of their original values for shelf storage over 1600 h.
Achieving Stable Zinc Metal Anode Via Polyaniline Interface Regulation of Zn Ion Flux and Desolvation
Authors: Li Bin , Liu Shude , Geng Yifei , Mao Caiwang , Dai Lei , Wang Ling , Jun Seong Chan , Lu Bingan , He Zhangxing , Zhou Jiang 
Published: February 2023

AbstractAqueous zinc‐ion batteries feature high safety, low cost, and relatively high energy density; however, their cycle life is hindered by severe Zn dendrite formation and water‐induced parasitic reactions. Herein, a porous polyaniline (PANI) interfacial layer is developed on the surface of Zn metal anode to regulate the transport and deposition of Zn2+, achieving an ultra‐stable and highly reversible Zn anode. Specifically, the abundant polar groups (NH and N) in PANI have a strong attraction to H2O, which can trap and immobilize H2O molecules around Zn2+. Moreover, the protective layer regulates ion flux and deposition behavior of Zn2+ through the ion confinement effect. Consequently, the Zn@PANI anode exhibits improved reversible plating/stripping behavior with a low nucleation overpotential (37.9 mV) at 2.0 mA cm‐2 compared to that of bare Zn anode. The MnO2//Zn@PANI cell demonstrates a high capacity retention of 94.3% after 1000 cycles at 1.0 A g−1. This study lays the foundation for accessible interface engineering and in‐depth mechanistic analysis of Zn anode.
Modulating Trinary‐Heterostructure of MoS2 via Controllably Carbon Doping for Enhanced Electrocatalytic Hydrogen Evolution Reaction
Authors: Gao Bo , Zhao Yiwei , Du Xiaoye , Qian Dan , Ding Shujiang , Xiao Chunhui , Wang Jin , Song Zhongxiao , Jang Ho Won 
Published: February 2023

AbstractUnderstanding the phase transitions process of 2D transition metal dichalcogenides (2D‐TMDs) from semiconducting (2H) to metallic (1T, 1T′) phase provides directionality for the iteration of hydrogen evolution catalysis. So far, the phase engineering methods are intensively explored, serving as practical tools for discovering low‐cost novel nanomaterials for electronic and electrode devices in the realm of energy storage and catalysis. However, the heterostructures between 2H/1T, 2H/1T′, or 1T/1T′, functionalizing as critical active sites in the electrocatalytic process, are overlooked. Herein, a facile carbon doping paradigms, enabling augmentation of MoS2 phase transition, together with density functional theory calculations and rationales to explain the counterintuitive directionality of transitions is reported. The experiment and simulation results indicate that the existence of carbon as interstitial atoms is more favorable to the phase transition than the substitution atoms. The heterogeneous interfaces between 2H and 1T or 1T′ are more conducive to charge transfer. As expected, the trinary‐heterostructure nanofilm displays excellent electrocatalytic activities both in micro‐electrochemical measurements and conventional electrolytic cells. The results provide a fresh insight into the 2D‐TMDs phase transition mechanism and guide for trinary‐heterostructure electrocatalysts for scalable production.
Effects of Halogenation of Small‐Molecule and Polymeric Acceptors for Efficient Organic Solar Cells
Authors: Yu Han , Wang Yan , Zou Xinhui , Han Han , Kim Ha Kyung , Yao Zefan , Wang Zhibo , Li Yuhao , Ng Ho Ming , Zhou Wentao , Zhang Jianquan , Chen Shangshang , Lu Xinhui , Wong Kam Sing , Zhu Zonglong , Yan He , Hu Huawei 
Published: February 2023

AbstractTuning the properties of non‐fullerene acceptors (NFAs) through halogenation, including fluorination and chlorination, represents one of the most promising strategies to boost the performance of organic solar cells (OSCs). However, it remains unclear how the F and Cl choice influences the molecular packing and performance between small‐molecule and polymeric acceptors. Here, a series of small‐molecule and polymeric acceptors with different amounts and types of halogenation is synthesized, and the effects of fluorination and chlorination between small‐molecule and polymeric acceptors are investigated. It is found that chlorinated small‐molecule acceptors lead to longer exciton diffusion length and better performance compared to the corresponding fluorinated ones, which attributes to their stronger intermolecular packing mode. For polymer acceptors, in contrast, the fluorinated polymers achieve a denser packing mode and better performance, because chlorinated polymers exhibit reduced intrachain conjugation between end group moieties and linker units. This study demonstrates different halogenation effects on the packing modes and performances for small‐molecule and polymeric acceptors, which provides important guidance for the molecule design of high‐performance acceptors for OSCs.
Precision Hydrogels for the Study of Cancer Cell Mechanobiology
Authors: Sievers Jana , Mahajan Vaibhav , Welzel Petra B. , Werner Carsten , Taubenberger Anna 
Published: February 2023

AbstractCancer progression is associated with extensive remodeling of the tumor microenvironment (TME), resulting in alterations of biochemical and biophysical cues that affect both cancer and stromal cells. In particular, the mechanical characteristics of the TME extracellular matrix undergo significant changes. Bioengineered polymer hydrogels can be instrumental to systematically explore how mechanically changed microenvironments impact cancer cell behavior, including proliferation, survival, drug resistance, and invasion. This article reviews studies that have explored the impact of different mechanical cues of the cells’ 3D microenvironment on cancer cell behavior using hydrogel‐based in vitro models. In particular, advanced engineering strategies are highlighted for tailored hydrogel matrices recapitulating the TME's micrometer‐ and sub‐micrometer‐scale architectural and mechanical features, while accounting for its intrinsically heterogenic and dynamic nature. It is anticipated that such precision hydrogel systems will further the understanding of cancer mechanobiology.
Circulatory Support: Artificial Muscles for the Future of Cardiovascular Assist Devices
Authors: Pirozzi Ileana , Kight Ali , Han Amy Kyungwon , Cutkosky Mark R. , Dual Seraina A. 
Published: February 2023

AbstractArtificial muscles enable the design of soft implantable devices which are poised to transform the way we mechanically support the heart today. Heart failure is a prevalent and deadly disease, which is treated with the implantation of rotary blood pumps as the only alternative to heart transplantation. The clinically used mechanical devices are associated with severe adverse events, which are reflected here in a comprehensive list of critical requirements for soft active devices of the future: low power, no blood contact, pulsatile support, physiological responsiveness, high cycle life, and less‐invasive implantation. In this review, prior art in artificial muscles for their applicability in the short and long term is investigated and critically evaluated. The main challenges regarding the effectiveness, controllability, and implantability of recently proposed actuators are highlighted and the future perspectives for attachment, physiological responsiveness, durability, and biodegradability as well as equitable design considerations are explored.