bluuebunny/crossref_metadata_2025 huggingface dataset:
O Papel Da Educação Financeira Na Redução Do Endividamento E Promoção Da Saúde Financeira: Uma Abordagem Contábil E Administrativa Nas Escolas De Humaitá/AM
Authors: Nogueira Eila Carolina Moura , Moçambite Viviane Da Silva Costa Novo , Filho Giovani Caldas Da Silva , Cunha Edileuza Lobato Da , Silva Aldenor Moçambite Da
Published: January 2025

Este artigo aborda a importância da educação financeira na redução do endividamento e promoção da saúde
financeira, com foco nas escolas de Humaitá/AM. A pesquisa destaca a necessidade de introduzir conceitos
financeiros desde o ensino fundamental, visando formar cidadãos conscientes e financeiramente responsáveis. O
estudo examina se as escolas de ensino fundamental II em Humaitá estão implementando a educação financeira
e quais resultados têm sido obtidos. A metodologia inclui verificar a presença do tema nas instituições, identificar
a capacitação dos professores e avaliar a aplicação prática dos conhecimentos pelos estudantes. O trabalho
fundamenta-se na crescente relevância da educação financeira como habilidade essencial, reconhecida
globalmente e incluída na Base Nacional Comum Curricular brasileira. Argumenta-se que a educação financeira
pode contribuir para o desenvolvimento de habilidades críticas, promover o empreendedorismo e combater a
desigualdade social. O artigo também discute o papel do professor como educador transformador neste contexto,
enfatizando a importância de sua formação e comportamento financeiro exemplar. A pesquisa busca
compreender como a educação financeira está sendo implementada nas escolas e seu impacto na vida dos
estudantes, visando contribuir para o desenvolvimento de estratégias educacionais mais eficazes nesta área. Ao capacitar estudantes desde cedo, transformamos a educação financeira em um pilar de cidadania e autonomia econômica.
Wine Production In Northeast Bahia: A Comparative Study Between The Municipalities Of Mucugê And Casa Nova In The Light Of The Literature
Authors: Batista Maique Dos Santos Bezerra , Bezerra Jaldemir Santana Batista , Bortoli Robelius De
Published: January 2025

Introduction: Market competition is a dynamic, transitory and oscillatory phenomenon, which changes based
on influences linked to economic, behavioral, legal, technological and regulatory aspects. The research
addresses the two wineries located in the Northeast of Bahia in the municipalities of Casa Nova and Mucugê.
Wine, as one of the products that has been part of the trade for thousands of years, has followed the trends and
market prerogatives according to the regulatory bodies. The objective of this research is to analyze, in the light
of the literature, the types of strategies that the UVVA and Miolo wineries adopt to add distinctive value that
make them permanent in the competitive market.
Materials and Methods: This research is bibliographical, analytical-comparative in nature, as it seeks to
understand two variables under analysis in order to identify their similarities and differences. The scientific
evidence that gave rise to this article was systematized through articles, books and dissertations found on
Google Scholar. As a distinctive characteristic between the UVVA and Miolo wineries, the websites were
analyzed to understand the types of products, types of offers, brands, awards and stories of each winery.
Inclusion and exclusion criteria were applied to select the research sample.
Results And Discussion: The economic market modus operandi of small and large wine producers was
analyzed in terms of brand and added value. Furthermore, it was presented how each winery carries out the
value offers associated with wine tourism and the type of consumer profile that these proposals attract.
Conclusion: Wine tourism and the Geographical Indication recognition seal can protect small wine producers against predatory and unfair competition that affects market relations to ensure their development, recognition and market permanence through legal support, wine quality, terroir and wine tourism.
Qualidade De Vida E Segurança No Trabalho: Perspectivas Para O Bem-Estar Nas Organizações
Authors: Martins Hevelynn Franco , Silva Avelar Alves Da , Oliveira Luiz Fernando De , Yukawa Sussumu , Andrade Karla Suzany O De
Published: January 2025

Esta pesquisa teve como objetivo analisar as perspectivas sobre qualidade de vida e segurança no trabalho,
investigando como essas dimensões podem ser integradas para promover o bem-estar nas organizações. Tratase de uma pesquisa exploratória qualitativa, realizada com uma amostra de 22 profissionais de diferentes áreas
e cargos dentro de uma organização, por meio de entrevistas semiestruturadas. Os resultados indicaram que,
embora existam políticas voltadas para a segurança no trabalho e qualidade de vida, essas práticas ainda
enfrentam desafios na implementação, principalmente no que se refere à efetividade e integração entre segurança
física e saúde mental. Os participantes destacaram a necessidade de maior transparência nas políticas,
reconhecimento profissional e investimentos em programas de apoio psicológico. A conclusão aponta que, para alcançar um ambiente saudável e produtivo, as organizações devem adotar uma abordagem holística que
Brincar Para Aprender: A Importância Do Lúdico Na Educação Infantil
Authors: Silveira Éderson Luís , Ribeiro Claudiane , Seixas Roberta , Lima Lucas Alves De Oliveira , Filho Ademar Henriques Da Silva
Published: January 2025

Este estudo teve como objetivo investigar a importância do lúdico na educação infantil, utilizando uma
abordagem qualitativa em uma pesquisa exploratória. A amostra foi composta por quinze professores de uma
escola brasileira, selecionados por conveniência, que participaram de entrevistas em profundidade. Os
resultados revelaram que as atividades lúdicas são percebidas como fundamentais para promover o engajamento,
a expressão emocional e a construção de conhecimentos significativos entre as crianças. Contudo, os educadores
também apontaram desafios, como a pressão para seguir currículos rígidos e a falta de apoio institucional, que
dificultam a implementação do lúdico. A análise dos dados destacou a necessidade de políticas educacionais que
valorizem o brincar como um componente essencial da aprendizagem. A conclusão enfatiza que o lúdico é vital
para o desenvolvimento integral das crianças, sendo necessário que escolas e formuladores de políticas reconheçam e incentivem práticas pedagógicas que integrem o brincar ao processo educativo, preparando assim os alunos para interações sociais saudáveis e um aprendizado eficaz.
Application Of Automation And Computer Vision In Reducing Failures In The Production Process Of Safety Belts
Authors: Souza Kerlisson Silva De , Santos Eliton Smith Dos , Alencar David Barbosa De , Nascimento Manoel Henrique Reis , Santos Alyson De Jesus Dos
Published: January 2025

Product quality is one of the primary criteria considered by customers when choosing an item. Additionally, it is
an essential factor for companies to stand out in a highly competitive market. In the Manaus Industrial Hub
(PIM), in a machine used for producing safety belts, defect detection is a crucial stage in the production
process. To enhance this task, Artificial Intelligence (AI) was implemented, standing out for its high efficiency in
analyzing and processing data in industrial environments. The data was captured in image format by a camera,
and using Deep Learning (DL) techniques, an intelligent algorithm capable of detecting faults was developed.
Due to its autonomous learning capability and ability to identify and characterize defects, this algorithm
represents the future of automated inspection. It has already achieved significant success in applications such
as object identification and classification, facial recognition, and fault diagnostics. Given this context, the aim
of this study is to propose an ideal solution to minimize failures in the production process of safety belts. The
proposal seeks to automate the currently manual step using the concept of computer vision with AI, ensuring
greater efficiency and reliability in the production process.
Materials and Methods: The research, development, and application of AI with the algorithm in the case study
were conducted in the R&D laboratory of the company located in the Manaus Industrial Hub (PIM). The
project utilized product inputs, a camera equipped with a lens for capturing images, and a computer for data
storage and algorithm development.
Results: The application of AI in this environment uses computer vision systems to process image data. For this,
a program was developed in Python with the PySimpleGUI library. The trained model was evaluated based on
loss and accuracy metrics on the test set, achieving values of 0 and 100%, respectively. During testing, new
belts were used, reaching 100% accuracy in the results.
Conclusion: The proposed model showed excellent results. With data processed by AI using Deep Learning
(DL) techniques, real-time inspection of the belts was achieved. Additionally, the network achieved perfect accuracy and recall in all tests conducted on the belts, demonstrating the effectiveness of the solution
Behavioral Aspects Influencing Financial Decisions And Competitiveness Of Lebanese SMEs
Authors: Makdissi Elena , Makdissi Riad , Mekdessi Selim
Published: January 2025

This study investigates the impact of behavioral factors—cognitive biases, emotional states, and personality
traits—on financial decision-making within small and medium-sized enterprises (SMEs) in Northern Lebanon.
Recognizing the central role of SME managers in shaping the financial strategies and competitive edge of their
firms, the research examines how psychological factors influence decision-making in a challenging and often
uncertain market environment. Drawing on behavioral finance theory, the study identifies specific cognitive
biases such as overconfidence and loss aversion, which skew risk perception and lead to either excessive risktaking or an overly conservative approach. Emotional factors, including fear, enthusiasm, and stress, were
found to significantly alter financial choices, with emotions often overshadowing rational decision-making.
Additionally, personality traits such as extraversion, neuroticism, and conscientiousness were shown to
influence managers’ willingness to take risks or prioritize stability.
A quantitative methodology was employed, with data collected from 450 SME managers across diverse
industries. The statistical analysis revealed strong correlations between these behavioral factors and financial
outcomes, suggesting that cognitive and emotional influences play a substantial role in the financial health and
competitiveness of SMEs. The study advocates for the introduction of behavioral training programs and
emotional regulation techniques to help managers make more balanced, data-driven decisions. By integrating
behavioral insights into financial management, SMEs can enhance their strategic decision-making processes,
minimize the adverse effects of biases, and better position themselves for long-term success. The findings
contribute to the growing body of research on behavioral finance in the SME context and highlight areas for future exploration, including cross-cultural studies and the impact of economic fluctuations on managerial behavior
Adaptações Curriculares E Inclusão: Estratégias Para Promover A Equidade No Ensino
Authors: Silva Cliciano Vieira Da , Frazão Giulianna Marin , Boas Bruna Camila Ferreira Vilas , Tomaz Ilça Daniela Monteiro , Lacerda Fabiano Madeira
Published: January 2025

Este trabalho discute a inclusão educacional e as estratégias de adaptação curricular como elementos essenciais
para a promoção de equidade no ensino. A pesquisa, baseada em revisão bibliográfica, explora desafios como a
falta de infraestrutura adequada, barreiras culturais e pedagógicas, além da carência de formação docente.
Aspectos legais, como a Lei de Diretrizes e Bases (LDB) e a Declaração de Salamanca, são destacados como
fundamentos para práticas inclusivas. A formação de professores é apontada como um pilar crucial, exigindo
atualização constante e o uso eficaz de tecnologias assistivas. Adaptações curriculares são apresentadas como
estratégias transformadoras que flexibilizam conteúdos, metodologias e avaliações, permitindo que alunos com
diferentes necessidades tenham acesso igualitário ao aprendizado. Apesar dos obstáculos, o trabalho destaca
casos de sucesso que comprovam os benefícios da inclusão para toda a comunidade escolar. Por fim, reforça-se
a necessidade de esforços integrados entre políticas públicas, escolas e sociedade para construir um ambiente educacional mais justo e inclusivo, promovendo o desenvolvimento pleno de todos os estudantes
Pedagogues’ Performance In Non-School Environments: Business Pedagogy
Authors: Sarmento Januário Neto Pereira , Barros Shisleyel De Carvalho , Carvalho Dhyorrana Soares Pereira , Pereira Daiane Aparecida Ribeiro Sarmento
Published: January 2025

Background: The pedagogue has a wide range of professional areas of activity, including school and non-school
environments. Among the non-school environments, the work of pedagogues in companies can be mentioned,
which is the focus of the present study.
Materials and Methods: The objective of this work was to survey and explore the scientific production recently
produced in Brazil that addresses business pedagogy, as a field of activity for pedagogy professionals. A
Systematic Literature Review (SLR) was carried out with a qualitative approach. The time frame of the research
was five years, from 2019 to 2024.
Results: The results returned several subthemes in the field of business pedagogy. It was noted that the emphasis
of the research falls on two main subthemes: reports of experiences of the pedagogue's work in companies and
the distinct functions of the pedagogue in this environment.
Conclusion: Given the relevance of the pedagogue inserted in this field of activity, it was found that his skills
make him capable of contributing to the mitigation of organizational problems and places him as an agent of change, helping employees achieve the goals established by the companies. Nevertheless, it is suggested that more research on this topic be carried out, aiming to deepen knowledge in this area of study
TV Advertisement Plays A Vital Role In Generational Marketing
Authors: Nataraj Dr S , Shivanna P
Published: January 2025

It is becoming more and more crucial to ascertain the efficacy of the communications dollars that marketers
spend on various channels. Both agencies and clients are always trying to figure out how well their
communications are performing in comparison to other options. Unfortunately, there doesn't seem to be much
consensus about the best course of action. Most people concur that research is necessary, but they have
different opinions about how it should be carried out and how to use the findings. At the same time, businesses
and organizations are collaborating to try to answer these concerns. A crucial step in the promotional planning
process is determining the program's effectiveness. Generational segmentation, sometimes referred to as
generational marketing, is the process of breaking down your target audience. whether they are clients or
potential clients—into distinct groups according to their age and generation. By using this kind of client
segmentation, you may adjust your plans to each group's demands and preferences according to the generation
to which it belongs. Measuring the impact of advertising, as the development of evaluation measures for
advertising has taken a lot more time and work than other promotional sectors. to evaluate the different tactics
before putting them into practice or to gauge how effective advertising is. Advertising shouldn't be an exception; it's critical to assess the effectiveness of the communications campaign and compare its performance to a set of benchmarks.
Development of a measure of aggressive behavior expectancies in adults: The Aggression Expectancy Questionnaire
Authors: Hyatt Courtland S. , Lynam Donald R. , West Samuel J. , Chester David S. , Carter Nathan T. , Miller Joshua D.
Published: May 2023

According to sociocognitive theories, aggression is learned and elicited through a series of cognitive processes, such as expectancies, or the various consequences that an individual considers more or less likely following aggressive behavior. The current manuscript describes a measurement development project that ultimately yielded a 16‐item measure of positive and negative aggression expectancies suitable for use in adult populations. Across two content generation surveys, two preliminary item refinement studies, and three full studies, we took an iterative approach and administered large item pools to several samples and refined item content through a combination of empirical (i.e., factor loadings, model fit) and conceptual (i.e., content breadth, non‐redundancy) considerations. The Aggression Expectancy Questionnaire displays a four‐factor structure, as well as evidence of convergent and divergent validity with self‐reported aggression and relevant basic (e.g., antagonism, anger) and complex (e.g., psychopathy) personality variables. It is posited that this type of cognitive mechanism may serve as an intermediary link between distal characterological predictors of aggression and its proximal manifestation, which is in line with several prominent theories of personality and may ultimately hold clinical utility by providing a framework for aggression interventions.
Surface Softness Tuning with Arch‐Forming Active Hydrogel Elements
Authors: Ehrenhofer Adrian , Wallmersperger Thomas
Published: May 2023

Thin active elements can be added to rigid surfaces for the tuning of mechanical contact properties. The deformation of the active structures leads to the forming of arches. Depending on the forming of the arch, the force–displacement curve for contact becomes more or less steep. This can be understood as changing the interaction property between soft and hard. Herein, this concept is presented with hydrogels inside the active elements. Analytical derivations and finite‐element simulation results for actuation and contact, based on the stimulus expansion model, are shown. This modeling approach appropriately captures the stimulus‐dependent swelling properties of the material and can be easily applied in commercial finite‐element tools. Special considerations are taken for the encapsulation of the active materials. A thin encapsulation foil allows 1) the use of swelling agents, such as water, without contaminating the contact objects. Furthermore, 2) appropriate water reservoirs for the swelling process can be included. The simulation results show that a surface softness tuning can be realized. The presented active material and dimensions are exemplary; the concept can be applied to other active materials for tuning surface interactions.
Unidirectional Fracturing of Super Engineering Plastic Films
Authors: Kim Young-Rae , Lee Jineun , Kim Heesang , Jin Young-Jae , Lee Wang-Eun , Kwak Giseop
Published: May 2023

Polyamideimides and polyimides are prepared based on chemical imidization using aromatic diamine, diacid anhydride, and diacid chloride as monomers, with the precursor polyamic acid remaining in part, to produce mechanically unique films through convection drying. The resulting films are colorless and transparent and exhibit unidirectional fracture behavior. These films do not break when bent in the direction of the air contact surface but easily break when bent in the opposite direction. A cross‐sectional electron microscope image of the broken film shows that the film consists of a double layer. After examining both sides of the film through various spectroscopic and gel permeation chromatography analyses, it is found that the residual polyamic acid undergoes both hydrolytic and thermal decomposition, exclusively on the air contact surface. Later, the polymer film is laminated with two sheets of glass through UV curing of commercial acryl resin. Because of the unidirectional fracture characteristics of the film, the laminated glass does not completely break when subjected to bending toward the air contact surface but easily breaks (without fragments) in the opposite direction, indicating its potential application in safety glasses suitable for emergency escapes.
Hydration‐Induced Void‐Containing Hydrogels for Encapsulation and Sustained Release of Small Hydrophilic Molecules
Authors: Li Qi , Li Xiaosi , Bury Elizabeth , Lackey Kimberly , Koh Amanda , Wesselmann Ursula , Yaksh Tony , Zhao Chao
Published: May 2023

Efficient encapsulation and sustained release of small hydrophilic molecules from traditional hydrogel systems are challenging due to the large mesh size of 3D networks and high water content. Furthermore, the encapsulated molecules are prone to early release from the hydrogel prior to use, resulting in a short shelf life of the formulation. Here, a hydration‐induced void‐containing hydrogel (HVH) based on hyperbranched polyglycerol‐poly(propylene oxide)‐hyperbranched polyglycerol (HPG‐PPG‐HPG) as a robust and efficient delivery system is presented for small hydrophilic molecules. Specifically, after the HPG‐PPG‐HPG is incubated overnight at 4 °C in the drug solution, it is hydrated into a hydrogel containing micron‐sized voids, which can encapsulate hydrophilic drugs and achieve 100% drug encapsulation efficiency. In addition, the voids are surrounded by a densely packed polymer matrix, which restricts drug transport to achieve sustained drug release. The hydrogel/drug formulation can be stored for several months without changing the drug encapsulation and release properties. HVH hydrogels are injectable due to shear thinning properties. In rats, a single injection of the HPG‐PPG‐HPG hydrogel containing 8 µg of tetrodotoxin (TTX) produces sciatic nerve block lasting up to 10 h without any TTX‐related systemic toxicity nor local toxicity to nerves and muscles.
Bioinspired Intelligent Solar‐Responsive Thermally Conductive Pyramidal Phase Change Composites with Radially Oriented Layered Structures toward Efficient Solar–Thermal–Electric Energy Conversion
Authors: Zhao Hao‐Yu , Shu Chao , Wang Xin , Min Peng , Li Changjun , Gao Fu‐Lin , Li Xiaofeng , Yu Zhong‐Zhen
Published: May 2023

To remedy the drawbacks of weak solar‐thermal conversion capability, low thermal conductivity, and poor structural stability of phase change materials, pyramidal graphitized chitosan/graphene aerogels (G‐CGAs) with numerous radially oriented layers are constructed, in which the long‐range radial alignment of graphene sheets is achieved by a novel directional‐freezing strategy. A G‐CGA/polyethylene glycol phase change composite exhibits a thermal conductivity of 2.90 W m−1 K−1 with a latent heat of 178.8 J g−1, and achieves a superior solar‐thermal energy conversion and storage efficiency of 90.4% and an attractive maximum temperature of 99.7 °C under a light intensity of 200 mW cm−2. Inspired by waterlilies, solar‐responsive phase change composites (SPCCs) are designed for the first time by assembling the G‐CGA/polyethylene glycol phase change composites with solar‐driven bilayer films, which bloom by day and close by night. The heat preservation effect of the solar‐driven films leads to a higher temperature of SPCC for a longer period at night. The SPCC‐based solar–thermal–electric generator achieves output voltages of 499.2 and 1034.9 mV under light intensities of 200 and 500 mW cm−2, respectively. Even after stopping the solar irradiation, the voltage output still occurs because of the latent heat release and the heat preservation of the films.
Van der Waals Forces between S and P Ions at the CoP‐C@MoS2/C Heterointerface with Enhanced Lithium/Sodium Storage
Authors: Xia Yongji , Yang Tianlun , Wang Zhenjia , Mao Tianle , Hong Zheyu , Han Jiajia , Peng Dong‐Liang , Yue Guanghui
Published: May 2023

Metal–organic framework‐derived metal phosphides with high capacity, facile synthesis, and morphology‐controlled are considered as potential anodes for lithium/sodium‐ion batteries. However, the severe volume expansion during cycling can cause the electrode material to collapse and reduce the cycle life. Here, novel CoP‐C@MoS2/C nanocube composites are synthesized by vapor‐phase phosphating and hydrothermal process. As the anode of LIBs, CoP‐C@MoS2/C exhibits outstanding long‐cycle performance of 369 mAh g−1 at 10 A g−1 after 2000 cycles. In SIBs, the composite also displays excellent rate capability of 234 mAh g−1 at 5 A g−1 and an ultra‐high the capacity retention rate of 90.16% at 1 A g−1 after 1000 cycles. Through density functional theory, it is found that the S ions and P ions at the interface formed by CoP and MoS2 can serve as Na+/Li+ diffusion channels with an action of van der Waals force, have attractive characteristics such as high ion adsorption energy, low expansion rate and fast diffusion kinetics compared with MoS2. This study provides enlightenment for the reasonable design and development of lithium/sodium storage anode materials composited with MOF‐derived metal phosphides and metal sulfides.
One Stone, Two Birds: Spidroin‐Inspired Nanogels for High‐Performance Fibers and Photothermal Actuators
Authors: Jiang Yuanzhang , Wang Cong , Zhang Shuai , Tan Lin , Hu Jinlian
Published: May 2023

The exciting development of hydrogels makes it a promising candidate to be applied in various fields. However, it remains a great challenge to store the precursors of hydrogels and to process them after gelation, like synthetic polymer materials. Herein, spidroin‐inspired novel nanogels with extraordinary processability, which can be spun into fibers via direct drawing and fabricated into thermal actuators easily after gelation are prepared. These soluble and spinnable nanogels are composed of a liquid metal core and a poly (acrylic acid) (PAA) shell and are entangled with each other. The as fabricated nanogels and diluted dope solution can be stored >1 month. The as‐spun nanogel fibers with hierarchical structures achiev extraordinary mechanical properties (tensile stress of 575 MPa, toughness of 381 MJ m−3) and supercontraction at 60% RH. Besides, a photothermal actuator is prepared by coating the nanogels on a polyethylene substrate with a commercial shading ink, and the as‐prepared actuator shows a rapid response to near‐infrared light as well as a fast recovery. Molecular dynamics simulation reveals a possible working mechanism of the actuator. This study provides a new strategy to prepare processable nanogels with broad application prospects for smart textiles and soft robots.
Inch‐Size Single Crystals of Lead‐Free Chiral Perovskites with Bulk Photovoltaic Effect for Stable Self‐Driven X‐Ray Detection
Authors: You Shihai , Zhu Zeng‐Kui , Dai Shuheng , Wu Jianbo , Guan Qianwen , Zhu Tingting , Yu Panpan , Chen Changjian , Chen Qiushui , Luo Junhua
Published: May 2023

Lead halide perovskites have made great advance in direct X‐ray detection, however the presence of toxic lead and the requirement of high working voltages severely limit their applicability and operational stability. Thus, exploring “green” lead‐free hybrid perovskites capable of detecting X‐rays at zero bias is crucial but remains toughly challenging. Here, utilizing chiral R/S‐1‐phenylpropylamine (R/S‐PPA) cations, a pair of 0D chiral‐polar perovskites, (R/S‐PPA)2BiI5 (1R/1S) are constructed. Their intrinsic spontaneous electric polarization induces a large bulk photovoltage of 0.63 V, which acts as a driving force to separate and transport photogenerated carriers, thus endowing them with the capability of self‐driven detection. Consequently, self‐driven X‐ray detectors with a low detection limit of 270 nGy s−1 are successfully constructed based on high‐quality, inch‐sized single crystals of 1R. Notably, they show suppressed baseline drift under the self‐driven mode, exhibiting superior operational stability. This study realizes self‐driven X‐ray detection in a single‐phase lead‐free hybrid perovskite by exploiting the intrinsic bulk photovoltaic effect, which sheds light on future explorations of lead‐free hybrid perovskites toward “green” self‐driven radiation detectors with high performance.
A Self‐Powered Body Motion Sensing Network Integrated with Multiple Triboelectric Fabrics for Biometric Gait Recognition and Auxiliary Rehabilitation Training
Authors: Wei Chuanhui , Cheng Renwei , Ning Chuan , Wei Xuyang , Peng Xiao , Lv Tianmei , Sheng Feifan , Dong Kai , Wang Zhong Lin
Published: May 2023

Gait analysis provides a convenient strategy for the diagnosis and rehabilitation assessment of diseases of skeletal, muscular, and neurological systems. However, challenges remain in current gait recognition methods due to the drawbacks of complex systems, high cost, affecting natural gait, and one‐size‐fits‐all model. Here, a highly integrated gait recognition system composed of a self‐powered multi‐point body motion sensing network (SMN) based on full textile structure is demonstrated. By combining of newly developed energy harvesting technology of triboelectric nanogenerator (TENG) and traditional textile manufacturing process, SMN not only ensures high pressure response sensitivity up to 1.5 V kPa−1, but also is endowed with several good properties, such as full flexibility, excellent breathability (165 mm s−1), and good moisture permeability (318 g m−2 h−1). By using machine learning to analyze periodic signals and dynamic parameters of limbs swing, the gait recognition system exhibits a high accuracy of 96.7% of five pathological gaits. In addition, a customizable auxiliary rehabilitation exercise system that monitors the extent of the patient's rehabilitation exercise is developed to observe the patient's condition and instruct timely recovery training. The machine learning‐assisted SMN can provide a feasible solution for disease diagnosis and personalized rehabilitation of the patients.
Amorphous MXene Opens New Perspectives
Authors: Li Neng , Peng Jiahe , Zhang Peng , Yue Yuanzheng
Published: May 2023

Recently, novel amorphous nanomaterials formed by introducing atomic irregular arrangement factors have been successfully fabricated, showing superior performance in catalysis, energy storage, and mechanics. Among them, 2D amorphous nanomaterials are the stars, as they combine the benefits of both 2D structure and amorphous. Up to now, many research studies have been published on the study of 2D amorphous materials. However, as one of the most important parts of 2D materials, the research on MXenes mainly focuses on the crystalline counterpart, while the study of highly disordered forms is much less. This work will provide insight into the possibility of MXenes amorphization, and discusses the application prospect of amorphous MXenes materials.
Interlayer‐Confined NiFe Dual Atoms within MoS2 Electrocatalyst for Ultra‐Efficient Acidic Overall Water Splitting
Authors: Jiang Zhenzhen , Zhou Wenda , Hu Ce , Luo Xingfang , Zeng Wei , Gong Xunguo , Yang Yong , Yu Ting , Lei Wen , Yuan Cailei
Published: May 2023

Confining dual atoms (DAs) within the van der Waals gap of 2D layered materials is expected to expedite the kinetic and energetic strength in catalytic process, yet is a huge challenge in atomic‐scale precise assembling DAs within two adjacent layers in the 2D limit. Here, an ingenious approach is proposed to assemble DAs of Ni and Fe into the interlayer of MoS2. While inheriting the exceptional merits of diatomic species, this interlayer‐confined structure arms itself with confinement effect, displaying the more favorable adsorption strength on the confined metal active center and higher catalytic activity towards acidic water splitting, as verified by intensive research efforts of theoretical calculations and experimental measurements. Moreover, the interlayer‐confined structure also renders metal DAs a protective shelter to survive in harsh acidic environment. The findings embodied the confinement effects at the atom level, and interlayer‐confined assembling of multiple species highlights a general pathway to advance interlayer‐confined DAs catalysts within various 2D materials.
Wafer‐Scale Fabrication of Graphene‐Based Plasmonic Photodetector with Polarization‐Sensitive, Broadband, and Enhanced Response
Authors: Fan Chunru , Sun Xiaojuan , Shi Zhiming , Lü Bingchen , Chen Yang , Li Shaojuan , Liu Jia‐Ming
Published: May 2023

Graphene‐based photodetectors draw tremendous interests for broadband photodetection in optical communications, sensing, and hyperspectral imaging. However, the extremely low light absorption coefficient of graphene posts a great challenge for high‐efficiency photodetection. Although plasmonic nanostructures provide resonant absorption enhancement and impressive responsivity, the current fabrication techniques suffer from being time‐consuming, low‐yield, and potentially high‐cost. In this work, a wafer‐scale graphene‐Au nanogratings (Gra‐Au NGs) plasmonic photodetector array is fabricated via two‐beam holographic lithography, which achieves a photosensitive area of 1 mm2, showing balanced abilities of polarization‐sensitive, broadband, and enhanced photoresponse from visible to near‐infrared regions. The maximum polarization extinction ratio and responsivity of the Gra‐Au NGs photodetector reach 6.65 and 2.95 mA W−1. The surface plasmon resonance of Au NGs and near‐field coupling with graphene render strong electric field confinement and enhanced light absorption, which improve the device photoresponse and polarization sensitivity. The hot electrons generation and transportation models in the Gra‐Au NGs heterojunction are proposed, perfectly matching with the photocurrent mapping and equalized energy band distribution. This work enlightens the wafer‐scale fabrication of graphene‐based plasmonic photodetectors, and it can trigger the advances of free‐space detection, such as remote sensing and satellite communication.
Unfolding the Origin of the Ultrafast Optical Response of Titanium Nitride
Authors: Rotta Loria Silvia , Bricchi Beatrice Roberta , Schirato Andrea , Mascaretti Luca , Mancarella Cristina , Naldoni Alberto , Li Bassi Andrea , Della Valle Giuseppe , Zavelani‐Rossi Margherita
Published: May 2023

Ultrafast plasmonics is driving growing interest for the search of novel plasmonic materials, overcoming the main limitations of noble metals. In this framework, titanium nitride (TiN) is brought in the spotlight for its refractory properties combined with an extremely fast electron‐lattice cooling time (<100 fs) compared to gold (≈ 1 ps). Despite the results reported in literature, a clear‐cut explanation of the origin of the ultrafast and giant optical response of TiN‐based materials upon excitation with femtosecond laser pulses is still missing. To address this issue, an original model is introduced, capable of unfolding the modulation of TiN optical properties on a broad bandwidth, starting from the variations of electronic and lattice temperatures following ultrafast photoexcitation. The numerical analysis is validated on ultrafast pump–probe spectroscopy experiments on a simple structure, a TiN film on glass. This approach enables a complete disentanglement of the interband and intraband contributions to the permittivity modulation. Moreover, it is also shown that, varying the synthesis conditions of the TiN film, not only the static, but also the dynamical optical response can be efficiently tuned. These findings pave the way for a breakthrough in the field: the design of TiN‐based ultrafast nanodevices for all‐optical modulation of light.
Diastereoselective (3+3) Cycloaddition of Azomethine Imines with In Situ Formed Azaoxyallyl Cations from α‐Halohydroxamate
Authors: Huang Qi , Xiong Chuanjiang , Peng Yungui
Published: May 2023

A diastereoselective (3+3) cycloaddition of azomethine imines and in situ‐generated azaoxyallyl cations from α‐halohydroxamate promoted by a Brønsted base has been developed. A series of pyrazolo [1,2‐a][1,2,4]triazin‐6‐ones were accessed with up to 95% yields and diastereoselectivities greater than 20:1. The asymmetric version of this reaction was explored and moderate enantioselectivity was achieved after screening a series of cinchonine‐derived chiral catalysts.

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Twin‐Wire Sensor Networks
Authors: Rossi Sergio , Montoya Nerio Andrés , Falconi Christian
Published: May 2023

A fundamental limit to high‐density sensing is that adding sensors increases the number of wires, pads, and interconnections. This problem is even worse for low‐values resistive or impedance sensors which, for high accuracy, require 4‐wire measurements. Here,  twin‐wire sensor networks are described which enable 4‐wire measurements with significantly fewer wires, pads, and interconnections. The effects of the resistor noise can be minimized by minimum‐resistance sensing paths. A single chopper switch and straightforward digital operations can reject the equivalent input offset and low‐frequency noise voltages of the instrumentation amplifier, thus requiring no hardware changes. The inclusion in the network of a reference resistor can compensate the errors of both the biasing current and the instrumentation amplifier voltage gain. For validation, an extremely compact, robust, and easy‐to‐connect flexible‐PCB twin‐wire 29‐temperature‐sensors network requiring only 32 pads is demonstrated. This device is placed on an anthropomorphic head phantom for detecting the temperature and location of a touching object or on the hand of a volunteer for monitoring skin temperature during mental and physical stimulations. A twin‐wire 29‐photoresistors network is also presented. The strategies reported here can be applied to any high‐density array of resistive or impedance sensors (temperature, strain, blood flow, light, etc.) and may find wide application in robotics and wearable or epidermal devices.
Transformable Neuropeptide Prodrug with Tumor Microenvironment Responsiveness for Tumor Growth and Metastasis Inhibition of Triple‐Negative Breast Cancer
Authors: Cao Yi , Ge Xiaojiao , Zhu Xueli , Han Yingying , Wang Pin , Akakuru Ozioma Udochukwu , Wu Aiguo , Li Juan
Published: May 2023

Triple‐negative breast cancer (TNBC) has the worst prognosis among all breast cancer subtypes due to lack of specific target sites and effective treatments. Herein, a transformable prodrug (DOX‐P18) based on neuropeptide Y analogue with tumor microenvironment responsiveness is developed for TNBC treatment. The prodrug DOX‐P18 can achieve reversible morphological transformation between monomers and nanoparticles through the manipulation of protonation degree in different environments. It can self‐assemble into nanoparticles to enhance the circulation stability and drug delivery efficiency in the physiological environment while transforming from nanoparticles to monomers and being endocytosed into the breast cancer cells in the acidic tumor microenvironment. Further, the DOX‐P18 can precisely be enriched in the mitochondria, and efficiently activated by matrix metalloproteinases. Then, the cytotoxic fragment (DOX‐P3) can subsequently be diffused into the nucleus, generating a sustained cell toxicity effect. In the meanwhile, the hydrolysate residue P15 can assemble into nanofibers to construct nest‐like barriers for the metastasis inhibition of cancer cells. After intravenous injection, the transformable prodrug DOX‐P18 demonstrated superior tumor growth and metastasis suppression with much better biocompatibility and improved biodistribution compared to free DOX. As a novel tumor microenvironment‐responsive transformable prodrug with diversified biological functions, DOX‐P18 shows great potential in smart chemotherapeutics discovery for TBNC.
Enhancing the Performance of Fa‐Based Printable Mesoscopic Perovskite Solar Cells via the Polymer Additive
Authors: Zheng Ziwei , Xia Minghao , Chen Xiayan , Xiao Xuan , Gong Jinwei , Liu Jiale , Du Jiankang , Tao Yiran , Hu Yue , Mei Anyi , Lu Xinhui , Han Hongwei
Published: May 2023

The low cost and scalability advantages of printable mesoscopic perovskite solar cells (p‐MPSCs) are impaired by the issue of limited power conversion efficiency (PCE). Herein, the PCE of p‐MPSCs is improved by introducing the polymer additive polyacrylonitrile (PAN) into the formamidinium (FA)‐based perovskite for crystallization and defect modulation. PAN forms hydrogen bond and coordination bond with halide perovskite through its C≡N group. Such interactions improve the crystallization and filling of FA‐based perovskite in the mesoscopic scaffold and bring a long carrier lifetime by passivating defects. The synergy improves the PCE of p‐MPSCs from 16.80% to 18.33%. Meanwhile, the hydrophobic nature of PAN enhances the device's resistance against moisture. This work demonstrates that the polymer additive is a promising choice for breaking the PCE limit of p‐MPSCs.
Effects of electronic markets on prices, spikes in prices, and price dispersion: A case study of the tea market in India
Authors: Rajkhowa Pallavi , Kornher Lukas
Published: May 2023

Buyers and sellers in developing countries are often restricted from accessing distant markets by asymmetric price information and costly searches. Electronic marketplaces can reduce transaction costs and improve market performance. This study uses monthly panel data from 2000 to 2017 and applies a fixed effects approach using Driscoll and Kraay standard errors to address spatial and temporal correlations to provide empirical evidence on the effects of electronic markets on prices, spikes in prices, and price dispersion of an agro‐based commodity in India. The findings indicate that, between 2000 and 2017, the introduction of electronic markets reduced prices and short‐term variability in tea prices by nearly 2%. Moreover, electronic markets initially increased price dispersion between markets by 11%–14%; however, with further reduction in market friction over time, price dispersion reduced by 16%. [EconLit Citations: Q11, Q13].
Copper‐Catalyzed Enantioconvergent Radical C(sp3)−N Cross‐Coupling: Access to α,α‐Disubstituted Amino Acids
Authors: Zhang Yu‐Feng , Wang Jia‐Huan , Yang Ning‐Yuan , Chen Zheng , Wang Li‐Lei , Gu Qiang‐Shuai , Li Zhong‐Liang , Liu Xin‐Yuan
Published: May 2023

Transition‐metal catalyzed enantioconvergent cross‐coupling of tertiary alkyl halides with ammonia offers a rapid avenue to chiral unnatural α,α‐disubstituted amino acids. However, the construction of chiral C−N bonds between tertiary‐carbon electrophiles and nitrogen nucleophiles presented a great challenge owing to steric congestion. We report a copper‐catalyzed enantioconvergent radical C−N cross‐coupling of alkyl halides with sulfoximines (as ammonia surrogates) under mild conditions by employing a chiral anionic N,N,N‐ligand with a long spreading side arm. An array of α,α‐disubstituted amino acid derivatives were obtained with good efficiency and enantioselectivity. The synthetic utility of the strategy has been showcased by the elaboration of the coupling products into different chiral α‐fully substituted amine building blocks.
Solar Light Driven H2O2 Production and Selective Oxidations Using a Covalent Organic Framework Photocatalyst Prepared by a Multicomponent Reaction
Authors: Das Prasenjit , Roeser Jérôme , Thomas Arne
Published: May 2023

A chemically stable 2D microporous COF (PMCR‐1) was synthesized via the multicomponent Povarov reaction. PMCR‐1 exhibits a remarkable and long‐term stable photocatalytic H2O2 production rate (60 h) from pure and sea water under visible light. The H2O2 production is markedly enhanced when benzyl alcohol (BA) is added as reductant, which is also due to a strong π–π interaction of BA with dangling phenyl moieties in the COF pores introduced by the multicomponent Povarov reaction. Motivated by the concomitant BA oxidation to benzaldehyde during H2O2 formation, the photocatalytic oxidation of various organic substrates such as benzyl amine and methyl sulfide derivatives was investigated. It is shown that the well‐defined micropores of PMCR‐1 enable size‐selective photocatalytic oxidation.
Discovery of the Azaserine Biosynthetic Pathway Uncovers a Biological Route for α‐Diazoester Production
Authors: Van Cura Devon , Ng Tai L. , Huang Jing , Hager Harry , Hartwig John F. , Keasling Jay D. , Balskus Emily P.
Published: May 2023

Azaserine is a bacterial metabolite containing a biologically unusual and synthetically enabling α‐diazoester functional group. Herein, we report the discovery of the azaserine (aza) biosynthetic gene cluster from Glycomyces harbinensis. Discovery of related gene clusters reveals previously unappreciated azaserine producers, and heterologous expression of the aza gene cluster confirms its role in azaserine assembly. Notably, this gene cluster encodes homologues of hydrazonoacetic acid (HYAA)‐producing enzymes, implicating HYAA in α‐diazoester biosynthesis. Isotope feeding and biochemical experiments support this hypothesis. These discoveries indicate that a 2‐electron oxidation of a hydrazonoacetyl intermediate is required for α‐diazoester formation, constituting a distinct logic for diazo biosynthesis. Uncovering this biological route for α‐diazoester synthesis now enables the production of a highly versatile carbene precursor in cells, facilitating approaches for engineering complete carbene‐mediated biosynthetic transformations in vivo.
Pnictogen Interactions with Nitrogen Acceptors
Authors: Lin Binzhou , Liu Hao , Karki Ishwor , Vik Erik C. , Smith Mark D. , Pellechia Perry J. , Shimizu Ken D.
Published: May 2023

Stabilizing nitrogen pnictogen bond interactions were measured using molecular rotors. Intramolecular C=O⋅⋅⋅N interactions were formed in the bond rotation transition states which lowered the rotational barriers and increased the rates of rotation, as measured by EXSY NMR. The pnictogen interaction energies show a very strong correlation with the positive electrostatic potential on nitrogen, which was consistent with a strong electrostatic component. In contrast, the NBO perturbation and pyramidalization analyses show no correlation, suggesting that the orbital‐orbital component is minor. The strongest C=O⋅⋅⋅N pnictogen interactions were comparable to C=O⋅⋅⋅C=O interactions and were stronger than C=O⋅⋅⋅Ph interactions, when measured using the same N‐phenylimide rotor system. The ability of the nitrogen pnictogen interactions to stabilize transition states and enhance kinetic processes demonstrates their potential in catalysis and reaction design.
Multi‐stage Transformations of a Cluster‐Based Metal‐Organic Framework: Perturbing Crystals to Glass‐Forming Liquids that Re‐Crystallize at High Temperature
Authors: Chen Ming‐Zhu , Li Jian , Liao Sheng , Guo Yi‐Hang , Liu Tao , Ma Rui‐Fang , Xie Tian‐Yi , Liu Wei‐Dong , Peng Si‐Xu , Kuang Xiaojun , Yin Zheng , Zhao Yingbo , Zeng Ming‐Hua
Published: May 2023

Glassy and liquid state metal–organic frameworks (MOFs) are emerging type of materials subjected to intense research for their rich physical and chemical properties. In this report, we obtained the first glassy MOF that involves metal‐carboxylate cluster building units via multi‐stage structural transformations. This MOF is composed of linear [Mn3(COO)6] node and flexible pyridyl‐ethenylbenzoic linker. The crystalline MOF was first perturbed by vapor hydration and thermal dehydration to give an amorphous state, which can go through a glass transition at 505 K into a super‐cooled liquid. The super‐cooled liquid state is stable through a wide temperature range of 40 K and has the largest fragility index of 105, giving a broad processing window. Remarkably, the super‐cooled liquid can not only be quenched into glass, but also recrystallize into the initial MOF when heated to a higher temperature above 558 K. The mechanism of the multi‐stage structural transformations was studied by systematic characterizations of in situ X‐ray diffraction, calorimetry, rheological, spectroscopic and pair‐distribution function analysis. These multi‐stage transformations not only represent a rare example of high temperature coordinative recognition and self‐assembly, but also provide new MOF processing strategy through crystal‐amorphous‐liquid‐crystal transformations.