bluuebunny/crossref_metadata_2025 huggingface dataset:
SECURITY OF PHOTOVOLTAIC SYSTEMS STANDARDS REVIEW
Authors: MIRANDA SANCHEZ LORENA , Seuret Jiménez Diego , Contreras Valenzuela Martha Roselia , NIETO JALIL JOSE MANUEL
Published: January 2024

ABSTRACT:
This document collects and summarizes the existing findings in the literature of regulations applicable to grid-connected and non-grid-connected photovoltaic systems at an international level.
The documentary review synthesizes the content of each standard and shows the distribution of the actual regulations in Europe and America to find similarities and areas of opportunity with the aim of being a support and reference tool for those who regulate and monitor the deployment of technologies of generation of clean energy, in training courses for installers, users and anyone starting out in the photovoltaic energy business.
Also, the IEC 60364 standard and NFPA 70 standard are compared, finding that the breakdown of elements is broader in NFPA 70, while the standards NEC do not cover installations photovoltaics that uses transport properties or utilities, only micropower systems with autonomous electronic equipment. In the case of off-grid photovoltaic installations the standardization focuses on promoting sustainable energies for electrification.
Even though, PPP 59061A (2017) standard by TÜV SÜD covers functionality and affinity, taking the photovoltaic system as a whole, and showing the need for new standards that meet the demands of the current market.

Keywords: Regulations, international standards, photovoltaic system, electrical safety, solar energy, renewable energy.
Facebook spamming among teenagers and its impact on the learning activities at the Madrasah Islamiyah Pangkah Kulon, Ujungpangkah, Gresik
Authors: Fahmi Azizi , Hidayat Medhy Aginta
Published: January 2024

This article examines the phenomenon of teenage students spamming through Facebook and the impact on their learning activities at Madrasah Tsanawiyah Islamiyah and Madrasah Aliyah Islamiyah, Gresik, Indonesia. This research uses qualitative research methods with a phenomenological approach, and the technique in determining informants is using purposive sampling techniques, and the method in collecting data itself is done through observation and interviews. As a reference in analyzing data and explaining related phenomena in this study, namely using Max Weber's Theory of Action. The results of this study show that students who commit spamming actions are motivated by the economic conditions of their families due to the pandemic and distance learning, as well as the influence of the actions of their friends and the environment around them, with some of the effects experienced by them, namely, often losing focus on learning, not paying attention to class and even sleeping in class during class hours, and skipping class, up to dropping out of school.
Apendicitis aguda como complicación de fiebre tifoidea
Authors: Puig Perez Andrés De Jesús , Plaza Ronquillo Leonidas
Published: January 2024

La apendicitis aguda, una causa principal de dolor abdominal en adultos y niños, tiene tasas de mortalidad del 8.6 % en hombres y 6.7 % en mujeres, con una incidencia anual de 96.5 a 100 casos por cada 100 000 adultos. Su etiología incluye obstrucción luminal por fecalito, hiperplasia linfoide, heces impactadas, tumores y agentes infecciosos. La puntuación de Alvarado estratifica el manejo de la apendicitis entre inflamación simple (no perforada) y compleja (gangrenosa o perforada). El diagnóstico se realiza mediante anamnesis, examen físico, pruebas de laboratorio y técnicas de imagen. Aunque la apendicectomía es el tratamiento estándar, los antibióticos de amplio espectro pueden tratar con éxito la apendicitis aguda no complicada en el 70 % de los pacientes. Un metaanálisis en Alemania reveló que alrededor del 37 % de los pacientes adultos tratados de forma conservadora se someten a una apendicectomía dentro de un año. El manejo del dolor es prioritario, evitando intervenciones tardías o innecesarias.  La perforación puede causar sepsis y ocurre en el 17 % al 32 % de los casos. El riesgo aumenta con la duración prolongada de los síntomas antes de la cirugía. En pacientes de riesgo moderado a alto, se debe realizar una consulta quirúrgica rápida para reducir la morbilidad y mortalidad por perforación.

Las infecciones por Salmonella typhi y paratyphi pueden provocar un abdomen agudo debido a perforaciones intestinales y salpingitis, y en casos raros, apendicitis. Por otro lado, la salmonela no tifoidea, que suele causar una gastroenteritis autolimitada, se asocia con apendicitis en raras ocasiones. Las especies de Salmonella, a través de un sistema de virulencia sofisticado, se adhieren e invaden los enterocitos. Esto desencadena una respuesta inflamatoria que puede manifestarse con una variedad de síntomas gastrointestinales, desde estreñimiento hasta diarrea, y en casos complicados, puede llevar a hemorragia o perforación intestinal. Los patógenos entéricos pueden jugar un papel en la aparición de la apendicitis aguda, posiblemente a través de su influencia en la hiperplasia del tejido linfoide en el apéndice. Además, estos patógenos pueden presentar síntomas que imitan a la apendicitis. Se presenta un caso en las Jornadas Médicas del Hospital Alcívar.
Agenesia del segmento P1 de la arteria cerebral posterior
Authors: Ordoñez Martínez Mayra , Mejia Andrade Paul , León Maingon Eduardo , Layana Castro Mayra
Published: January 2024

En condiciones normales, los lóbulos occipitales reciben irrigación de las arterias vertebro-basilares y del sistema carotídeo interno. En diferentes variaciones morfológicas, la situación cambia. En la aplasia de la arteria comunicante posterior (P1), el suministro de sangre al polo occipital procede de una sola fuente; en este caso procede de la carótida interna. En tales casos, falta la circulación colateral. Laevidencia clínica de tratamiento endovascular como la trombectomía para oclusión distal de vasos medianos de circulación posterior aún es escasa, a pesar de que se han observado oclusiones aisladas de la arteria cerebral posterior, representan aproximadamente del 5 % al 10 % de todos los accidentes cerebrovasculares isquémicos. Se presenta un caso en el Congreso anual del Hospital Alcívar.
Polineuropatía central
Authors: Cevallos Espinar Stenio Eduardo , León Maingon Eduardo
Published: January 2024

El concepto de polineuropatía se utiliza para describir un proceso amplio y uniforme que afecta varios nervios periféricos, y con mayor frecuencia, tiende a afectar los nervios en las extremidades. El síndrome de Guillain-Barré (SGB) cursa con parálisis flácida, arrefléxica, ascendente y simétrica, con o sin trastornos sensoriales, que puede llevar a la tetraparesia grave. Se clasifica en 4 subtipos (estudiosneurofisiológicos): polirradiculoneuropatía aguda inflamatoria desmielinizante (PAID), neuropatía axonal sensitivo-motora aguda (NASMA), neuropatía axonal motora aguda (NAMA) y síndrome de Miller-Fisher (SMF) (ataxia, oftalmoplejía y arreflexia). Se presenta un caso en las Jornadas Anuales del Hospital Alcívar.
Guidelines for Applying Psychometrics in Sports Science: Transitioning from Traditional Methods to the AI Era
Authors: Guelmami Noomen , Ben Aissa Mohamed , Ammar Achraf , Dergaa Ismail , Trabelsi Khaled , Jahrami Haitham
Published: January 2024

Background: The transition from conventional methods to the AI era in sports science emphasizes a critical need for comprehensive guidance in effectively applying psychometrics. This imperative is highlighted by dynamic transformations, where the integration of structured guidelines becomes indispensable for adeptly navigating the challenges and seizing the opportunities presented by advancing technologies. Aim: The aim of this study was to methodically outline and enhance the application of psychometrics in sports science, focusing on the transition from traditional methods to the artificial intelligence era. It sought to provide a clear, objective-driven framework for effectively utilizing psychometrics, particularly emphasizing integration with artificial intelligence technologies. Methods: The research employed a dual-pronged approach, developing theoretical frameworks and practical considerations. It outlined key principles for selecting and implementing psychometric tools, prioritizing reliability and validity. Additionally, the study closely examined ethical considerations linked to AI-driven psychometrics in sports, focusing on areas like privacy, potential bias, and the importance of maintaining transparency in these practices. Results: The study provided guidelines that bridged traditional psychometrics with emerging AI technologies in sports science. The results offered a roadmap for researchers, coaches, and practitioners, facilitating the transition to more robust assessment methodologies. Emphasis on data analysis and ethical considerations ensured responsible and effective integration of psychometrics and AI for athlete evaluation and development. Conclusion: This research offers a comprehensive framework for navigating the intersection of psychometrics and AI in sports science. Addressing both theoretical and practical aspects, the guidelines empower stakeholders to transition responsibly to advanced assessment methodologies in the evolving technological landscape.
STRATEGI PEMASARAN KOPI GRIYANG PADA PT LEMBAGA SAHABAT PETANI (LSP) DI KABUPATEN MOJOKERTO
Authors: Irvandika Fachriza , Mukaromah Awalia Malikhatul , Jannah Wardatul , Yuliantika Renata , Nuryanti Irva , Kartika Setyawati Intan , Magfiroh Illia Seldon
Published: January 2024

Abstrak

Pertanian organik merupakan sebuah kegiatan pertanian yang menunjang pertanian keberlanjutan. Kopi adalah salah satu komoditas yang banyak dikembangkan dalam pertanian organik.  Kecamatan Tosari merupakan salah satu daerah penghasil kopi arabika di Indonesia dan sudah memiliki merek dagang dengan nama “Kopi Griyang” serta telah tersertifikasi organik dari Lembaga Sertifikasi Organik Seloliman (LeSOS). Pemasaran menjadi salah satu kendala bagi petani dalam menjual produk kopi Griyang dikarenakan petani kurang memahami mengenai strategi pemasaran yang baik dan sesuai sehingga diperlukan sebuah strategi pemasaran yang tepat dalam melakukan pemasaran produk tersebut. Penelitian ini dilakukan untuk mengetahui strategi yang tepat untuk melakukan pemasaran produk kopi griyang agar efektif dan juga efisien. Metode yang digunakan dalam penelitian ini adalah dengan menggunakan analisis SWOT. Hasil penelitian berdasarkan bauran pemasaran adalah (a) produk kopi griyang meliputi kopi bubuk dan bij kopi roasting, (b) harga kopi griyang mampu bersaing dengan produk kopi lainnya, (c) Perusahaan tidak memiliki outlet khusus dan cakupan pasar meliputi wilayah Jawa timur, Jawa Tengah, dan Jawa Barat, dan (d) promosi dengan media online, mouth to word, mengikuti bazar dan kontes kopi. Strategi yang dilakukan adalah formulasi strategi penggabungan kekuatan. kelemahan, peluang, dan ancaman  atau SO, ST, WO dan WT.
Proses Komunikasi Interpersonal Orang Tua dalam Menanamkan Nilai Moral Pada Anak di Era Digital
Authors: DWI UTAMI FAIQOTUL ISMA
Published: January 2024

Penelitian ini dilatar belakangi permasalahan bagaimana proses komunikasi interpersonal orang tua dalam menanamkan nilai moral pada anak. Tujuan penelitian ini adalah untuk mengetahui proses komunikasi interpersonal orang tua dalam menanamkan nilai moral pada anak. Metode penelitian menggunakan pendekatan deskriptif kualitatif dengan teknik pengumpulan data yaitu wawancara mendalam, observasi, dan studi pustaka. Subjek dalam penelitian ini terdiri dari dua informan yaitu orang tua yang memiliki anak berumur 6-12 tahun, yang bertempat di Kecamatan mojosari, Kabupaten Mojokerto, Jawa Timur. Penelitian ini menggunakan teori pola komunikasi keluarga, komunikasi keluarga, dan komunikasi interpersonal. Teknik analisis data menggunakan reduksi data, penyajian data, dan penarikan kesimpulan. Hasil penelitian yang dilakukan dapat ditarik kesimpulan bahwa proses komunikasi interpersonal orang tua dalam menanamkan nilai moral pada anak terjadi secara langsung dan dua arah. Proses komunikasi interpersonal dalam keluarga belum maksimal karena komunikasi dilakukan hanya pada waktu tertentu saja tetapi komunikasi interpersonal yang berlangsung tetap efektif. Efektivitas komunikasi interpersonal didasarkan pada keterbukaan, empati, dukungan, positif, dan kesamaan. Hambatan yang terdapat dalam penelitian ini, antara lain orang tua yang sibuk bekerja, asik dengan dunianya sendiri, emosi anak yang belum stabil, dan sulit mengontrol anak untuk membatasi bermain gadget.
Wymiar prawny w dyscyplinie geografia społeczno-ekonomiczna i gospodarka przestrzenna. Podstawy teoretyczne i zagadnienia badawcze
Authors: Nowak Maciej J. , Śleszyński Przemysław , Churski Paweł , Degórski Marek , Komornicki Tomasz , Sagan Iwona , Stryjakiewicz Tadeusz
Published: January 2024

Celem artykułu jest określenie płaszczyzn problemowo-przedmiotowych dotyczących ujmowania perspektywy prawnej w dyscyplinie geografia społeczno-ekonomiczna i gospodarka przestrzenna. Dla potrzeb realizacji tego celu najpierw wskazano ogólne relacje występujące między naukami geograficznymi i prawnymi. Następnie wyodrębniono i przedstawiono kluczowe nurty teoretyczne, które ułatwiają doprecyzowanie roli wymiaru prawnego w geografii społeczno-ekonomicznej i gospodarce przestrzennej, akcentując i charakteryzując przede wszystkim podejście instytucjonalne i geografię prawną. Następnie wyodrębniono najbardziej istotne tematy, w których występuje związek między wymiarem prawnym a geografią społeczno-ekonomiczną i gospodarką przestrzenną. W kolejnym kroku wyodrębniono dwie grupy zagadnień: te, w których wymiar prawny jest już w literaturze dostrzegany oraz te, w których wymiar prawny nie jest zauważany lub występuje w znikomym stopniu. Do wszystkich wyodrębnionych ten sposób zagadnień dostosowano te gałęzie prawa, które w najszerszym zakresie są z nimi powiązane. Najczęściej powoływaną w tym kontekście gałęzią prawa okazało się prawo administracyjne. W ostatniej części artykułu podjęto próbę określenia kluczowych kierunków przyszłych badań i dyskusji naukowej.
Romantic Traditions in Alessandro Longo's Piano Cycles
Authors: Maidanevich Tamara Leonidovna
Published: January 2024

The object of research in this article is the piano cycles of the Italian composer and pianist Alessandro Longo (1864-1945). The subject of the study is the continuation and development within the framework of this genre of romantic traditions laid down by romantic composers F. Chopin and R. Schumann. Alessandro Longo turned to writing piano cycles throughout his life. These works are distinguished by significant artistic merits. The author of the article examines in detail such aspects of the topic as the creation of the integrity of the cycle on the basis of tonal, figurative-emotional, genre connections between the plays. Within the framework of the suite-type cycle, he reveals the features of programmaticity found in the names of the plays and their arrangement in cycles. Special attention is paid to the analysis of piano cycles of etudes, which are interpreted by Longo not so much as a genre aimed at practicing techniques to improve professional skills, but as a sketch, romantic piano miniature. The author uses an integrated approach, including system-historical and comparative methods of analysis. The basis for the study of the research was the method of musical theoretical analysis, including thematic, stylistic, structural and compositional aspects. The author's significant contribution to the study of the topic lies in the introduction to musicological usage and understanding of a significant layer of Italian musical culture of the late XIX – early XX century. Alessandro Longo's piano cycles, which are in demand in the performing practice of Western European musicians and are of interest for pedagogical practice, are little known to domestic performers and have not been considered in musicology. This publication is the first study of A. Longo's piano cycles in the light of the implementation of romantic trends. As a result of the analysis, the author comes to the conclusion that the piano cycles of the non-sonate type by A. Longo continue the established traditions in the implementation of this genre, which is manifested in the appeal to certain principles of cyclization: tonal logic, genre, tempo, tonal, emotional-figurative connections between the pieces. At the same time, they reveal an identity peculiar to both the Italian national culture as a whole and to this author, which is manifested in melodiousness, melodiousness (including in cycles of sketches), as well as emotional saturation and theatricalization.
A Study on the Inheritance and Protection Mechanism of Chinese Handicraft Intangible Cultural Heritage
Authors: Wang Xiaoxi
Published: January 2024

This paper takes the intangible cultural heritage of Chinese handicrafts as the object of study, aiming to deeply explore the mechanism of its inheritance and protection. The intangible cultural heritage of handicrafts refers to traditional artefacts and handicraft products created through craftsmanship, as well as the knowledge, skills and cultural expressions associated with them. Such heritage is not only a collection of tangible products, but also intangible cultural expressions rich in history, culture, skills and philosophy. They often represent the history, tradition and identity of a culture. Chinese handicrafts have a rich history and contain many cultural connotations and historical values. Each craft holds deep cultural traditions and unique regional characteristics. The innovation of the article is that it proposes a diversified protection framework, stresses the synergy of government, market and society, and analyses the lessons learned in combination with specific cases. It is found that although China's intangible cultural heritage of handicrafts faces many challenges, such as the impact of industrialization, the transformation of the market economy, and the loss of talents in traditional skills, its inheritance and preservation can be effectively promoted through measures such as improving laws and regulations, strengthening public education, and promoting social participation. The article ultimately calls for the construction of an inclusive protection mechanism to achieve the sustainable development of China's handicraft-based intangible cultural heritage. (This article is the result of the project "Mutual learning of strategies for preservation and transmission of intangible cultural heritage of Russia and China in the field of handicrafts".)
On the issue of the activities of the district police commissioner for the prevention of offenses in the field of family and household relations
Authors: Shumskii Viktor Vasilyevich , Tkachenko Vladimir Vasilyevich , Kolenichenko Vasilii Vasilyevich
Published: January 2024

The article analyzes the current legislation in the field of prevention of domestic offenses, discusses the tasks of the district police commissioners and the police in general for the prevention of household offenses. The analysis of legislative acts related to the suppression of offenses in the family and household sphere was carried out, statistical data of the Ministry of Internal Affairs of Russia for 2022 were analyzed. The service of district police commissioners has a leading role in the prevention and suppression of offenses in the sphere of intra-family life. The positive and negative aspects of the activities of the precinct police commissioners were identified, the problems of the implementation of the current legislation by the units of the precinct police commissioners were identified, which should include the workload of the units of the precinct police commissioners of the territorial bodies of the Ministry of Internal Affairs of Russia; related to the fact that on average there are about 400 appeals per precinct officer, or about two during the working day.
ROMAN BROTBECK, TÖNE UND SCHÄLLE. ROBERT WALSER-VERTONUNGEN 1912 BIS 2021
Authors: Kosacka Małgorzata
Published: January 2024

Book Review of Roman Brotbeck: Töne und Schälle. Robert Walser-Vertonungen 1912 bis 2021. [Robert Walser-Studien, Bd. 7]. Brill Fink, Paderborn 2022, 678 S.
ARTE INTERMEDIAL EN EL GÓTICO CONTEMPORÁNEO: TRAILER DE NICOLA COSTANTINO
Authors: ARES MARÍA CRISTINA
Published: January 2024

In 2010, the Argentine artist, Nicola Costantino, introduced Trailer in Buenos Aires, a work conceived in four media: as a brief literary text, a set of photographs, a movie trailer as video and an installation. This paper looks to explore Trailer as a as contemporary intermedial art associated with electronic aspects; an art which can be understood via a Gothic key pertaining to the staging of different media and combinations between objects and images, sounds and words.
Connections Between Pre-service Teachers’ Professional Noticing and Perceptions of Race and/or Gender
Authors: Thomas Jonathan Norris , Brown David , Reeves Kristin , Fisher Molly H. , Jong Cindy , Schack Edna O.
Published: January 2024

This study examined potential bias with respect to perceived gender and race in pre-service teachers’ professional noticing of children’s mathematical thinking. The goal of the study was to explore emerging connections between professional noticing and equity concerns in
mathematics education and discover the extent to which such noticing may be influenced by a student’s race and gender. A sample of 151 preservice teachers participated, and our findings suggest that bias tends to emerge in the interpreting phase of professional noticing; however, such
emergence was not statistically significant when compared across the perceived race and gender of the students.
Measurement of low-frequency electric field waveform by Rydberg atom-based sensor
Authors: Zhang Xue-Chao , Qiao Jia-Hui , Liu Yao , Su Nan , Liu Zhi-Hui , Cai Ting , He Jun , Zhao Yan-Ting , Wang Jun-Min ,   State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China,   College of Physics and electronic engineering, Shanxi University, Taiyuan 030006, China,   State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Laser Spectroscopy, Shanxi University, Taiyuan 030006, China,   Collaborative Innovation Center of Extreme Optics of the Education, Ministry and Shanxi Province, Shanxi University, Taiyuan 030006, China
Published: January 2024

The high polarizability of Rydberg atoms enables the multi-parameters measurement of electromagnetic fields. In this paper, we report on an atomic antenna based on Rydberg atoms in a room temperature vapor cell. The EIT is a destructive interference spectroscopy with a narrow linewidth and can be used to detect small electric fields through Autler-Townes splitting or Stark shifts. In our experiments, we employ cascade-type two-photon excitation electromagnetically induced transparency (EIT) spectroscopy to measure the shift of the Rydberg energy level. We introduce a low-frequency electric field (~kHz frequency) using a built-in electrode technique in the cesium cell. The interaction between the Rydberg atom and electric field induces the Stark shifts, where the amplitude of the electric field is converted into corresponding two-photon detuning by the EIT effect. Furthermore, the amplitude of the low-frequency electric field is converted into an intensity signal of EIT probe beam. Under weak field conditions, it is an approximate linear relationship between EIT transmission signal and input electric field amplitude, enabling measurement of waveform, amplitude, and frequency. We have demonstrated optical measurements of low-frequency electric field using Rydberg atoms. By increasing the power of probe beam and coupling beam, the EIT can increase the response bandwidth from ~MHz to hundreds of MHz. This provides a scalable approach for measuring high-frequency electric fields.
Decomposition aided attention-based recurrent neural networks for multistep ahead time-series forecasting of renewable power generation
Authors: Damaševičius Robertas , Jovanovic Luka , Petrovic Aleksandar , Zivkovic Miodrag , Bacanin Nebojsa , Jovanovic Dejan , Antonijevic Milos
Published: January 2024

Renewable energy plays an increasingly important role in our future. As fossil fuels become more difficult to extract and effectively process, renewables offer a solution to the ever-increasing energy demands of the world. However, the shift toward renewable energy is not without challenges. While fossil fuels offer a more reliable means of energy storage that can be converted into usable energy, renewables are more dependent on external factors used for generation. Efficient storage of renewables is more difficult often relying on batteries that have a limited number of charge cycles. A robust and efficient system for forecasting power generation from renewable sources can help alleviate some of the difficulties associated with the transition toward renewable energy. Therefore, this study proposes an attention-based recurrent neural network approach for forecasting power generated from renewable sources. To help networks make more accurate forecasts, decomposition techniques utilized applied the time series, and a modified metaheuristic is introduced to optimized hyperparameter values of the utilized networks. This approach has been tested on two real-world renewable energy datasets covering both solar and wind farms. The models generated by the introduced metaheuristics were compared with those produced by other state-of-the-art optimizers in terms of standard regression metrics and statistical analysis. Finally, the best-performing model was interpreted using SHapley Additive exPlanations.
Integrin-associated transcriptional characteristics of circulating tumor cells in breast cancer patients
Authors: Grigoryeva Evgeniya , Tashireva Liubov , Alifanov Vladimir , Savelieva Olga , Zavyalova Marina , Menyailo Maxim , Khozyainova Anna , Denisov Evgeny V. , Bragina Olga , Popova Nataliya , Cherdyntseva Nadezhda V. , Perelmuter Vladimir
Published: January 2024

Background

Integrins enable cell communication with the basal membrane and extracellular matrix, activating signaling pathways and facilitating intracellular changes. Integrins in circulating tumor cells (CTCs) play a significant role in apoptosis evasion and anchor-independent survival. However, the link between CTCs expressing different integrin subunits, their transcriptional profile and, therefore, their functional activity with respect to metastatic potential remains unclear.

Methods

Single-cell RNA sequencing of CD45-negative cell fraction of breast cancer patients was performed. All CTCs were divided into nine groups according to their integrin profile.

Results

СTCs without the gene expression of integrins or with the expression of non-complementary α and β subunits that cannot form heterodimers prevailed. Only about 15% of CTCs expressed integrin subunits which can form heterodimers. The transcriptional profile of CTCs appeared to be associated with the spectrum of expressed integrins. The lowest potential activity was observed in CTCs without integrin expression, while the highest frequency of expression of tumor progression-related genes, namely genes of stemness, epithelial-mesenchymal transition (EMT), invasion, proinflammatory chemokines and cytokines as well as laminin subunits, were observed in CTCs co-expressing ITGA6 and ITGB4. Validation on the protein level revealed that the median of integrin β4+ CTCs was higher in patients with more aggressive molecular subtypes as well as in metastatic breast cancer patients. One can expect that CTCs with ITGA6 and ITGB4 expression will have pronounced metastatic potencies manifesting in expression of EMT and stemness-related genes, as well as potential ability to produce chemokine/proinflammatory cytokines and laminins.
Time-series analysis of meteorological factors and emergency department visits due to dog/cat bites in Jinshan area, China
Authors: Pang Pei , Zhou Xiaoyong , Hu Yabin , Zhang Yin , He Baoshi , Xu Guoxiong
Published: January 2024

Background

Meteorological factors play an important role in human health. Clarifying the occurrence of dog and cat bites (DCBs) under different meteorological conditions can provide key insights into the prevention of DCBs. Therefore, the objective of the study was to explore the relationship between meteorological factors and DCBs and to provide caution to avoid the incidents that may occur by DCBs.

Methods

In this study, data on meteorological factors and cases of DCBs were retrospectively collected at the Shanghai Climate Center and Jinshan Hospital of Fudan University, respectively, in 2016–2020. The distributed lag non-linear and time series model (DLNM) were used to examine the effect of meteorological elements on daily hospital visits due to DCBs.

Results

A total of 26,857 DCBs were collected ranging from 1 to 39 cases per day. The relationship between ambient temperature and DCBs was J-shaped. DCBs were positively correlated with daily mean temperature (rs = 0.588, P < 0.01). The relative risk (RR) of DCBs was associated with high temperature (RR = 1.450; 95% CI [1.220–1.722]). Female was more susceptible to high temperature than male. High temperature increased the risk of DCBs.

Conclusions

The extremely high temperature increased the risk of injuries caused by DCBs, particularly for females. These data may help to develop public health strategies for potentially avoiding the occurrence of DCBs.
Transparencia vía podcasting: estrategia periodística en busca de autoridad
Authors: Sánchez de la Nieta Miguel Angel , Trelles-Villanueva Alicia , Lozano Vicente
Published: January 2024

La cobertura informativa de una emergencia como la guerra de Ucrania supone un reto para los medios y para la profesión periodística. Las amenazas de la desinformación y la propaganda propias de este tipo de coberturas bélicas se añaden a un entorno económico difícil para la empresa periodística y de crisis de credibilidad e identidad del periodista profesional. En un momento de cambio de hábitos en el consumo de información de las audiencias, esta investigación analiza las estrategias de podcasting inauguradas por las dos principales cabeceras de prensa españolas (El País y El Mundo), aplicadas a la información sobre Ucrania, y se pregunta hasta qué punto el ejercicio de transparencia que proponen en los pódcast Hoy en El País y El Mundo al día puede cooperar en la restauración de la credibilidad del periodismo.
Perdidos en la traducción: las fiestas virtuales en tiempos post pandémicos
Authors: Zerega-Garaycoa María Mercedes , Hujanda Héctor , González-Cogliano Mabel Valeria
Published: January 2024

La pandemia de COVID-19 llevó a los jóvenes a utilizar plataformas digitales como Zoom para mantener relaciones y celebrar eventos, transformando las fiestas y la sociabilidad en línea. Este estudio se enfoca en analizar las fiestas virtuales de jóvenes como experiencias onlife durante y después de la pandemia, explorando los desafíos de traducir aspectos sociales a entornos digitales y sus implicancias en las interacciones humanas. Esta investigación, de enfoque cualitativo, parte de una etnografía digital de reuniones o fiestas sociales organizadas de manera digital, basada en entrevistas realizadas a jóvenes universitarios guayaquileños durante la primera etapa de confinamiento de la pandemia (2020) y casi dos años después, en postpandemia (2022). Entre los resultados se muestra que, a diferencia del trabajo y del estudio, que se han adaptado a la virtualidad, la fiesta es difícil de traducir a la lógica de las pantallas, por lo que los cuerpos han retornado a los espacios donde habían sabido resonar juntos. La investigación deja preguntas abiertas respecto de los desplazamientos de sentido y uso de las plataformas para explorar las modalidades del linkearnos a los otros en el futuro.
Fostering Active Citizenship: Facebook's Role in Youth Civic Engagement
Authors: Borrero Juan Diego , Borrero-Domínguez Encarna
Published: January 2024

Social media platforms (SMPs) have revolutionized social networks by facilitating connections and shaping the landscape of social interactions. The role of SMPs in contemporary civic participation, both online and offline, is undeniable. However, to understand the beliefs that drive young adults to use popular SMPs such as Facebook for civic engagement, fresh perspectives must be considered. This study extends the Unified Theory of Acceptance and Use of Technology (UTAUT) by conducting a questionnaire among 209 university students who actively use Facebook. Our results show that both expectancy and social influence gave a significant impact on students' intentions to use Facebook for civic engagement. We also identify Facebook mobilization efforts via smartphones as a strong predictor of both intention and use of Facebook for civic engagement. These findings indicate that Facebook is a valuable tool for young people to engage and participate in online social and political movements. While we acknowledge the limitations of this study, our analysis underscores the immense potential of SMPs as means for political participation.
La difusión de la noticia transmedia y la expansión del prosumidor informativo: entre el periodismo transmedia, multiplataforma y crossmedia
Authors: Garcés Víctor Hugo , Mendieta-Briceño Angela Patricia
Published: January 2024

En los últimos años, las lógicas de la transmedia storytelling se han aplicado al periodismo, abriendo un nuevo campo práctico que ha impulsado el creciente interés por el análisis de la transmedia news. Sin embargo, pocos estudios se han centrado en identificar cómo, por una parte, las franquicias periodísticas usan la multiplataforma, la transmedia y la crossmedia para difundir reportajes, simultáneamente que, por la otra, los itinerarios de lectura de las audiencias y los contenidos que producen los usuarios dan forma, reenmarcan y remezclan estos contenidos. El objetivo de esta investigación fue conocer cómo los medios y las plataformas se comportan e interactúan con la lectura transmedia y con los contenidos generados por los prosumidores en una noticia que se difunde día tras día para reconstruir y resignificar el sentido del acontecimiento. Con un método mixto, que combina la estadística con la etnografía virtual y la revisión documental, se analizó un estudio de caso, un ejemplo significativo de reportaje transmedia considerado como un todo con su contexto de expansión y crecimiento participativo. En los resultados se observa cómo la distribución masiva del medio se ramifica y se expande simultáneamente a través de las plataformas, para ser experimentada por las audiencias y resignificada por el prosumidor.
CSR communication & stigmatized industries: is inclusion and diversity becoming a means for stigma-washing? Six decades of literature review
Authors: Alonso Juan Manuel , Illia Laura , Rodríguez-Cánovas Belén
Published: January 2024

This work aims to present an in depth literature review under the lens of three disciplines: Corporate Social Responsibility (from now on CSR) communications, stigmatized industries, and diversity and inclusion (D&I). Such review is supported by a bibliometric mapping software, SciMAT, developed by Cobo and colleagues (2011), at Universidad de Granada, Spain. A total of 8,942 papers on the three topics from 1963 to 2022 published in 98 leading journals indexed in the Journal Citation Reports of the Web of Science have been examined. The aforementioned software has been used to identify the relevant studies to focus on a second in-depth qualitative individual scrutiny. Findings suggest that the use of D&I to mitigate organizational stigma has yet to be analyzed. One still needs to confirm or reject the proposition that stigmatized firms use CSR communication and D&I to mitigate their stigma. Furthermore, they indicate that if future studies may find that stigmatized companies utilize D&I to manage their stigma via CSR communication, the D&I discipline would suffer from this practice, since one would prove that D&I is instrumentally used in a different way than it is supposed to.
Marcas como metáforas sociales: una aplicación usando análisis de correspondencias
Authors: Goldsack-Trebilcock Sebastián , Tagle Francisco Javier , Buzeta Cristian
Published: January 2024

Esta investigación busca explorar una metodología para comprender la relación entre ciertos objetos de interés (como países y unidades/regiones geográficas) y marcas para facilitar el debate sobre el significado de marcas específicas para individuos situados en determinados contextos y culturas. Mediante un diseño cuantitativo transversal, se estudiaron asociaciones espontáneas de marca hacia cinco unidades geográficas de interés utilizando un cuestionario en línea en español, enviado a una muestra de conveniencia de usuarios adultos de Internet en Chile (n=78) directamente vía correo electrónico y mediante contactos personales en redes sociales profesionales. Basados en un análisis de correspondencias, los resultados muestran una agrupación de marcas en cuatro principales clústeres, lo que permite demostrar una correlación con las transformaciones culturales, económicas y sociales experimentadas en Chile. Este estudio permite afirmar que las marcas no son inocuas, sino que tras de ellas y su consumo se esconden símbolos y signos que evocan y promueven, explícita como implícitamente, asociaciones y pautas culturales y sociales.
Gestão estratégica em universidades: um estudo empírico com reitores
Authors: Kubo Edson Keyso de Miranda
Published: January 2024

As Universidades Brasileiras vêm passando por intensas transformações devido as exigências do Ministério de Educação e Cultura (MEC) para implementar documentos institucionais que auxiliem na formulação de seus respectivos modelos de gestão. Esses documentos são respectivamente o Projeto de Desenvolvimento Institucional (PDI), o Projeto Pedagógico Institucional (PPI) e as Dimensões do Sistema Nacional de Avaliação da Educação Superior (SINAES). Não obstante, apesar desse esforço do governo há escassez de pesquisas que mostrem como é o modelo de gestão adotado pelas Universidades Brasileiras. Através de uma pesquisa exploratória que se utilizou da técnica de coleta de dados baseada em entrevistas semi-estruturadas com oito reitores e posterior análise de conteúdo destas entrevistas, objetivou-se ao entendimento da configuração destes modelos de gestão (SOUZA, 2007). Os resultados de pesquisa mostram que ampla maioria das Universidades tende a adotar o modelo de gestão estratégica com maior compartilhamento de objetivos e participação de todos os membros da organização  na elaboração da estratégia, graças às pressões institucionais do MEC que deixam de lado o tradicional enfoque do planejamento estratégico, na qual prevalece a separação entre quem planeja em quem apenas executa a estratégia.
Understanding the Potential of Conservation Agriculture towards Improving Food Security and Sustainability of Natural Resources in Chongwe District of Lusaka
Authors: Chisenga Mwape E. , Mwamba Morgan M. , Banda Felix , Lubasi Ndui , Banda Kondwani , Hichilema Choolwe N. , Mubita Sydney , Ngonga Maurice , Muchanga Manoah
Published: January 2024

Conservation agriculture (CA) represents a promising solution to the challenges faced by smallholder farmers in Chongwe District. This paper outlines the potential benefits of CA, including increased crop yields, improved food production, reduced input costs, and enhanced nutritional quality and diversity of food crops. Policymakers, agricultural extension services, and development organizations need to prioritize the promotion and adoption of CA practices, providing support for training, capacity building, and access to resources for farmers. The paper also calls for targeted interventions to raise awareness about the benefits of CA, address misconceptions, and integrate CA principles into agricultural policies and programs. By prioritizing and supporting the shift towards CA, stakeholders can contribute to creating a more resilient and sustainable agricultural system that benefits farmers.
Influence of Planting Techniques and Integrated Nutrient Management on Soil Health in Rice (Oryza sativa L.)
Authors: Kumar G. Naveen , Singh P. K. , Naresh R. K.
Published: January 2024

The study investigated the impact of different planting techniques and nitrogen management at Sardar Vallabhbhai Patel University of Agriculture & Technology, Meerut (UP) during the rainy (kharif) season of 2019-20 on soil health in rice. Soil samples were collected at two depths, air-dried, and analyzed for aggregate size distribution using wet sieving. Particulate organic carbon (POC) was determined through aggregate slaking, while total organic carbon (TOC) content was assessed using rapid titration. Microbial biomass carbon (MBC) was calculated by incubating soil samples, followed by fumigation-extraction methods. Results revealed that soil pH and electrical conductivity remained unaffected by planting techniques and fertility levels. Aggregate size distribution analysis revealed that the Furrow Irrigated Raised Bed (FIRB) treatment promoted larger macro-aggregates (>2mm) at varying soil depths, while Conventional Tillage (CT) encouraged smaller micro-aggregates. Reduced Tillage (RT) combined with Farmyard Manure (FYM) and chemical fertilizer increased POC and TOC content, emphasizing the importance of reduced soil disturbance and organic matter addition. Conversely, CT exhibited lower POC and TOC levels due to intensive soil disturbance. RT with FYM and chemical fertilizer significantly enhanced soil MBC, highlighting their role in improving soil health and fertility.
Assessment of Secondary Metabolites and Thin-Layer Chromatographic Analysis of Carica papaya (Caricaceae) Leaves Ethanolic Extract
Authors: Bunu Samuel J. , Okei Joy O. , Miediegha Oyeintonbara , Ebeshi Benjamin U. , Chukwuemerie Ogechukwu L.
Published: January 2024

Carica papaya, also referred to as pawpaw, is a tropical fruit-bearing tree in the Caricaceae family. Papaya is one of the world's most extensively grown crops. Its fruits, seeds, and leaves are widely utilized in cooking and traditional medicine. Papaya leaf extract, tea, and juices are extensively used to cure ailments and promote health. The study aimed to quantify the presence of potential chemical compounds in Carica papaya leaves using Thin-Layer Chromatographic analysis (TLC). Standard qualitative phytochemical tests were performed on the leaves of C. papaya to determine the presence of various phytochemicals, and TLC analysis to ascertain the presence of potential chemical constituents. Extract of Carica papaya leaves in ethanol showed the presence of tannins, alkaloids, glycosides steroids, proteins, flavonoids, carbohydrates, etc., after the phytochemical screening, all of which are useful chemical ingredients responsible for a variety of pharmacological effects. The lack of color change noticed when the heated sample was treated with Fehling's solution revealed the absence of reducing sugar. TLC analysis using several solvent systems revealed the presence of potential chemical constituents with varying Rf values. This variance in the Rf values showed the phytochemicals and potential chemical constituents' polarity and this gave a hint on the type of solvent systems suitable for the analysis and separation of pure components. Hence, Carica papaya leaf extract contains a high concentration of both primary and secondary plant metabolites. TLC profiling yielded a good result, suggesting the existence of numerous possible chemical ingredients in the plant leaves used for the analysis.
The hydroxypropylation of starch in a self‐wiping twin screw extruder
Authors: de Graaf Robbert A. , Janssen Leon P. B. M.
Published: January 2003

Potato starch was chemically modified in an APV self‐wiping twin screw extruder to produce hydroxypropylated starch. The product obtained had a molar degree of substitution (MS) between 0.06 and 0.26. The selectivity of the hydroxypropylation reaction varied between 50 and 95%, yields varied between 15 and 95%, and conversions between 30 and 91%. Using viscosity data of native and hydroxypropylated starch, together with extruder parameters like temperatures, residence time distribution, and shear rates, a model was set up to predict the MS values, conversions, and selectivities. With this model, interactions between temperature, reaction, and viscosity can be understood and predicted. © 2003 Wiley Periodicals, Inc. Adv Polym Techn 22: 56–68, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/adv.10034
Heat transfer issues in foam extrusion
Authors: Todd David B.
Published: January 2003

Switching to N2 or CO2 for foaming thermoplastics increases cooling requirements for a foam extrusion line. Factors affecting cooling heat transfer and proposed correlations are described. © 2003 Wiley Periodicals, Inc. Adv Polym Techn 22: 69–74, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/adv.10035
Parameters affecting the full‐shot molding of gas‐assisted injection‐molded parts
Authors: Liu Shih‐Jung , Chang Kuang‐Huei
Published: January 2003

Full‐shot gas‐assisted injection‐molding has the advantage of eliminating the switchover mark that usually occurs on the surface of short‐shot gas‐assisted molded parts. The purpose of this report was to study the effects of processing parameters on the moldability of the full‐shot gas‐assisted injection‐molding process. Experiments were carried out on an 80‐ton injection‐molding machine equipped with a high‐pressure nitrogen‐gas injection unit. The materials used were general‐purpose polystyrene and polypropylene. A plate cavity with a gas channel of various geometries (trapezoid, semicircle, and rectangle) across the center was used to mold the parts. After molding, the lengths of gas penetration were determined. The hollowed core ratio by the gas was also determined. A numerical analysis was carried out to find out the temperature distribution of the polymer melt inside the gas channel. It was found that the sink mark of molded parts decreases with the length of gas penetration. Molded parts using trapezoidal gas channel had the longest gas penetration length. In addition, a thermal contraction model was proposed to predict the gas penetration volume inside the parts. Good agreement was reached between the experimental data and the calculated result. © 2003 Wiley Periodicals, Inc. Adv Polym Techn 22: 1–14, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/adv.10036
3‐D modeling reactive molding processes: From tool development to industrial application
Authors: Sekula Robert , Saj Piotr , Nowak Tomasz , Kaczmarek Karol , Forsman Kimmo , Rautiainen Aimo , Grindling Josef
Published: January 2003

Reactive molding process of thermosetting materials is an area where advanced computer simulations can provide useful information to detect molding problems prior to the mold making. Examples of such problems are premature gelation, undesired weld‐line locations, and air traps. However there is a lack of suitable software that would allow the modeling in a fully three‐dimensional (3‐D) space for such reactive systems. A new approach for the 3‐D simulation of reactive molding process is presented in the paper. In the filling stage fluid dynamics and heat transfer are modeled within a system of resin and a mold, combined with appropriate viscosity and curing reaction models. During the curing phase only heat transfer and curing kinetics are taken into account. The presented approach was verified by comparing computational results for a cylindrical test to experimental measurements and was successfully applied on a real industrial process in manufacturing of a medium voltage combi sensor. The selected results of such simulations are also presented in the paper. © 2003 Wiley Periodicals, Inc. Adv Polym Techn 22: 42–55, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/adv.10037