bluuebunny/crossref_metadata_2025 huggingface dataset:
ÖRGÜTLERDE DUYGUSAL ZEKÂ, YALNIZLIK VE KENDİNİ DOĞRULAMA ÇABASI ARASINDAKİ ETKİLER KENDİNİ DOĞRULAMA ÇABASININ ARACILIK ROLÜ
Authors: YILDIRIM Eşe , AKIN Mahmut
Published: October 2021

Bu çalışmanın amacı, örgütlerdeki çalışanların duygusal zekâları, yalnızlık algıları ve kendilerini doğrulama çabaları arasındaki etkileri analiz etmek, bu etkilerin yönlerini tespit etmek ve kendini doğrulama çabasının anlamlı bir aracılık rolüne sahip olup olmadığını belirlemektir. Bu amaçla yürütülen çalışmada veri toplama yöntemi olarak anket kullanılmıştır. Kolayda örnekleme tekniği ile Yozgat ili genelinde faaliyette bulunan bir kurumda çalışan 393 kişiden veri toplanmıştır. Çalışanlardan duygusal zekâ, yalnızlık ve kendini doğrulama çabası ile alakalı ifadelere katılma seviyelerini belirtmeleri istenmiş, buna ek olarak demografik değişkenlerle ilgili sorular da sorulmuştur. Veriler istatistiksel analiz programları vasıtasıyla analiz edilmiştir. YEM analizleri sonuçlarına göre duygusal zekânın yalnızlığı ve kendini doğrulama çabasını anlamlı bir şekilde etkilediği ve kendini doğrulama çabasının yalnızlığı anlamlı bir şekilde etkilediği tespit edilmiştir. Duygusal zekânın yalnızlık üzerindeki etkisinde kendini doğrulama çabasının anlamlı bir aracılık rolü olduğu da görülmüştür.
Design of Effective 33/11 kV Injection Substations Using International Standards
Authors: Oyeleye Yinka , Adeniran Dare , Itodo Emmanuel
Published: October 2021

This research focuses on the design of an effective 33/11 kV modelled injection substation that conforms to an appropriate standard for equipment protection, the safety of personnel and power quality compliance. This is to provide a solution to one of the major problems industries in Nigeria faces due to sudden voltage fluctuations in the power system which results in damages to equipment and thus outage of power supply and damages to substation equipment. The methodology involved designing an effective 33/11 kV injection substation and associated distributive substation elements using international codes and applicable algorithms. 60% loading of transformer and additional 1.25 factor of future expansion (F.E) were considered too. The results showed that a 7.5 MVA injection transformer was designed to operate at 60%. Also, the results revealed that the injection substation would feed 15 numbers of 500 kVA distributive transformers. Each distribution substation was sized in accordance with the 7.5MVA injection transformer philosophy in this work. This research concludes that the injection substation must be loaded at 60% with an additional 1.25 F.E. in order to increase the transformer life span, and the 7.5MVA injection substation can crater for 15nos of 500 kVA distribution transformers in this research. Each substation will reliably and effectively carry the expected load demand. This research recommends that injection substations should be designed for areas with high energy requirements for reliable power quality. It recommends that substations should conform to 60% loading at the initial years of usage and that the substation design should conform to appropriate standards used in this work.
THE EFFECT OF PARTIAL DICTATION AS INSTRUCTIONAL DEVICE ON STUDENTS' LISTENING COMPREHENSION AT SECOND SEMESTER STUDENTS OF UNIVERSITAS MUHAMMADIYAH KENDARI
Authors: Samosir Jenny , Tambunan Tambunan , Laepe Ader
Published: November 2021

This research reports the effect of Partial Dictation as instructional device on students’ listening comprehension at second semester students of Universitas Muhammadiyah Kendari academic year 2019/2020. It was then implemented in Basic - level listening class with 25 participants. Design of the research was quantitative which applied quasy experimental design. The samples were taken through purposive sampling consisted of 50 pArticipants. Two groups participated in this research, i,e one experimental group and control group. A diagnostic test on listening was administered to the both groups. Over 5 meetings, Control Group taught by non partial dictation exercises or conventionally while Experiment Group received Partial Dictation exercises. A post-test was given to the both groups after 5 meetings. In addition to the post-test, Experiment Group worked out with 5-Likert Scale adopted questionnaires to assess their motivation toward Partial Dictation as supporting data. The results of Independent t-test showed the level of significant is .000, p < 0.05. Furthermore, it explained that Ha was accepted, so that it can be concluded that teaching listening comprehension through Partial Dictation as instructional device has significant effect than teaching listening comprehension by non partial dictation. Meanwhile, motivation questionnaires revealed that 62 % of the participants were in moderate category to learn through partial dictation technique in facilitating their listening.Keywords:Listening Comprehension, partial dictation, listening motivation
An Analysis of Politeness in Teacher's Utterances in an English Classroom
Authors: Risal Risal , Hanna Hanna , Tambunan Tambunan
Published: November 2021

The objectives of this research were three-fold: to explore the types of politeness uttered by the teacher, to analyze the most predominant type of politeness uttered, and to explore the strategies of politeness uttered by the teacher in an English classroom. This research employed a descriptive qualitative analysis. The subject of this research was an English teacher of MAN 1 Kolaka. This research was conducted with two cohorts; they were class XII.IA-2 and class XII.IA-4. The data were collected from three observations and recordings of teacher’s utterances. As many as 117 politeness utterances were identified, encompassing 55 positive politeness utterances, 45 negative politeness utterances, 6 bald on record utterances and 1 off record utterance. There were 17 strategies of politeness used by the English teacher. The most predominant type of politeness was positive politeness, including the strategies of exaggerating sympathy with the Hearer, which was used 3 times, including both the Speaker and the Hearer 6 times, giving gifts to Hearer 26 times, being optimistic 10 times, offering 2 times, notice attend to Hearer 4 times, using group identity mark 3 times, and Intensifying interest to the hearer 1 time.Keywords:Pragmatics, Politeness Strategies, Teacher’s Utterances, English Classroom
The Determination of IL-6 rs1800795 Polymorphism Distribution in Turkish National Cross-Country Skiing Athletes Sub-groups Created Referring to the 1km CCSTAs
Authors: KAZANCI Derya , POLAT Tolga , SERCAN DOĞAN Canan , TACAL ASLAN Beste , OKTAY Şehkar , BİLİCİ Muhammed Fatih , KAYNAR Ömer , EKEN Başak Funda , ULUCAN Korkut
Published: November 2021

Objective: Interleukin-6 (IL-6) is an effective and functional protein with a cytokine structure. IL-6 is effective in the immune system like a pro/anti-inflammatory response, and muscle tissue hypertrophy and repair. Our study aimed to investigate the IL-6 rs1800795 polymorphism distribution in Turkish National Cross-Country Skiing Athletes and to determine the advantageous genotype for endurance performance.

Methods: 34 athletes within 3 groups; General (Group-1), Women (Group-2), and Men (Group-3) were enrolled to the study. Also each groups were divided into sub-groups according to their “1-kilometer cross-country average skiing-times (1 km-CCSTAs)”. Blood samples were used for DNA isolation and genotyping were completed by real time- PCR.

Results: The groups' 1 km-CCSTAs were 188.7 ± 22.4, 212.3 ± 17.8, and 177.4 ± 14.1 seconds, respectively. We detected the genotypes as 17 GG (50%) and 17 GC (50%) in Group-1; 5 GG (45%) and 6 GC (55%) in Group-2; 12 GG (52%) and 11 GC (48%) in Group- 3. We detected no CC genotype in groups. Chi-square Fisher’s test was used for statistical analysis.

Conclusion: An increased GC genotype ratio was detected in the faster sub-groups of each group compared to the slower sub-groups. But we obtained the significant genotype distribution only in Group-3 (p
Pelatihan Pengelolaan Posyandu bagi Kader Kesehatan
Authors: Wijianto Wijianto , Sukmawati Sukmawati
Published: November 2021

Posyandu merupakan bentuk upaya kesehatan bersumber daya masyarakat yang sudah menjadi milik masyarakat serta menyatu dalam kehidupan dan budaya masyarakat. Posyandu selain berfungsi sebagai wadah pemberdayaan masyarakat dalam alih informasi dan keterampilan dari petugas kepada masyarakat dan antar sesama masyarakat juga untuk mendekatkan pelayanan kesehatan dasar. Kader posyandu mempunyai peran besar dalam upaya meningkatkan kemampuan masyarakat menolong dirinya sendiri untuk mencapai derajat kesehatan yang optimal. Kader Posyandu Desa Mayayap belum semuanya memiliki kemampuan yang memadai dalam mengelola posyandu bahkan hanya 30% saja yang pernah mengikuti pelatihan kader. Tujuan kegiatan ini adalah untuk meningkatkan pengetahuan dan keterampilan kader sehingga dapat meningkatkan kinerja kader. Metode pelaksanaan kegiatan pelatihan tersebut meliputi ceramah dan tanya jawab serta demontrasi pelaksanaan posyandu. Kegiatan dilaksanakan di Balai Desa Mayayap Kecamatan Bualemo dengan sasaran seluruh kader yang berjumlah 20 orang. Hasil kegiatan yaitu meningkatnya pengetahuan dan keterampilan kader dalam pengelolaan posyandu, kader berkomitmen untuk menjalankan tugasnya. Rekomendasi dari kegiatan ini yaitu kader dapat  memotivasi  masyarakat  untuk  datang  ke  posyandu  dan  menjadi  fasilitator  bagi masyarakat Desa Mayayap untuk peduli terhadap kesehatan.
Modulation of Microenvironment Signals by Proteolytic Shedding of Cell Surface Extracellular Matrix Receptors
Authors: Itoh Yoshifumi
Published: November 2021

Multicellular organisms are composed of cells and extracellular matrix (ECM). ECM is a network of multidomain macromolecules that fills gaps between cells. It acts as a glue to connect cells, provides scaffolding for migrating cells, and pools cytokines and growth factors. ECM also directly sends signals to the cells through ECM receptors, providing survival signals and migration cues. Altogether, ECM provides a correct microenvironment for the cells to function in the tissue. Although ECM acts as a signaling molecule, they are insoluble solid molecules, unlike soluble receptor ligands such as cytokines and growth factors. Upon cell binding to the ECM through ECM receptors and signals transmitted, cells then need to have a mechanism to release from ECM to prevent prolonged signals, which may be tumorigenic, and migrate on ECM. One effective means to release the cells from ECM is to cleave the ECM receptors by proteinases. In this mini-review, current knowledge of ECM receptor shedding will be discussed.
Recent Advances on the Innate Immune Response to Coxiella burnetii
Authors: Sireci Guido , Badami Giusto Davide , Di Liberto Diana , Blanda Valeria , Grippi Francesca , Di Paola Laura , Guercio Annalisa , de la Fuente José , Torina Alessandra
Published: November 2021

Coxiella burnetiiis an obligate intracellular Gram-negative bacterium and the causative agent of a worldwide zoonosis known as Q fever. The pathogen invades monocytes and macrophages, replicating within acidic phagolysosomes and evading host defenses through different immune evasion strategies that are mainly associated with the structure of its lipopolysaccharide. The main transmission routes are aerosols and ingestion of fomites from infected animals. The innate immune system provides the first host defense against the microorganism, and it is crucial to direct the infection towards a self-limiting respiratory disease or the chronic form. This review reports the advances in understanding the mechanisms of innate immunity acting duringC. burnetiiinfection and the strategies that pathogen put in place to infect the host cells and to modify the expression of specific host cell genes in order to subvert cellular processes. The mechanisms through which different cell types with different genetic backgrounds are differently susceptible toC. burnetiiintracellular growth are discussed. The subsets of cytokines induced followingC. burnetiiinfection as well as the pathogen influence on an inflammasome-mediated response are also described. Finally, we discuss the use of animal experimental systems for studying the innate immune response againstC. burnetiiand discovering novel methods for prevention and treatment of disease in humans and livestock.
A Rare Manifestation of a Presumed Non-Osteophilic Brain Neoplasm: Extensive Axial Skeletal Metastases From Glioblastoma With Primitive Neuronal Components
Authors: Rong Tianhua , Zou Wanjing , Qiu Xiaoguang , Cui Wei , Zhang Duo , Wu Bingxuan , Kang Zhuang , Li Wenbin , Liu Baoge
Published: November 2021

Background

Glioblastoma multiforme (GBM) is the most common malignant tumor of the central nervous system. GBM with primitive neuronal component (GBM-PNC) is an aggressive variant identified in 0.5% of GBMs. Extracranial metastasis from GBM-PNC is a rare and challenging situation.

Methods

A special case of early-onset GBM with systemic bone metastasis was enrolled. Clinical data, including patient characteristics, disease course, and serial radiological images were retrieved and analyzed. Tumor tissues were obtained by surgical resections and were made into formalin-fixed paraffin-embedded sections. Histopathological examinations and genetic testing were performed for both the primary and metastatic tumor specimens.

Results

A 20-year-old man suffered from GBM with acute intratumoral hemorrhage of the left temporal lobe. He was treated by gross total resection and chemoradiotherapy following the Stupp protocol. Seven months later, he returned with a five-week history of progressive neck pain and unsteady gait. The radiographic examinations identified vertebral collapse at C4 and C6. Similar osteolytic lesions were also observed at the thoracolumbar spine, pelvic, and left femur. Anterior spondylectomy of C4 and C6 was performed. The resected vertebral bodies were infiltrated with greyish, soft, and ill-defined tumor tissue. One month later, he developed mechanical low-back pain and paraplegia caused by thoracolumbar metastases. Another spine surgery was performed, including T10 total en-bloc spondylectomy, T7-9, L2-3, and L5-S1 laminectomy. After the operation, the patient’s neurological function and spinal stability remained stable. However, he finally succumbed to the rapidly increased tumor burden and died 15 months from onset because of cachexia and multiple organ failure. In addition to typical GBM morphology, the histological examinations identified monomorphic small-round cells with positive immunohistochemical staining of synaptophysin and CD99, indicating the coexistence of PNC. The next-generation sequencing detected pathogenic mutations in TP53 and DNMT3A. Based on above findings, a confirmed diagnosis of systemic metastases from GBM-PNC (IDH-wild type, WHO grade IV) was made.

Conclusions

The present case highlights the occurrence and severity of extensive axial skeletal metastases from GBM-PNC. This rare variant of GBM requires aggressive multimodal treatment including surgery and chemoradiotherapy targeting PNC. The pathological screening of PNC is recommended in patients with early-onset GBM and intratumoral hemorrhage. Surgery for spinal metastasis is appropriate in patients with chemoradioresistance and relatively good general status, with the objectives of restoring spinal stability and relieving spinal cord compression.
Dihydroartemisinin Suppresses the Tumorigenesis and Cycle Progression of Colorectal Cancer by Targeting CDK1/CCNB1/PLK1 Signaling
Authors: Yi You-Cai , Liang Rui , Chen Xiao-Yu , Fan Hui-Ning , Chen Ming , Zhang Jing , Zhu Jin-Shui
Published: November 2021

Dihydroartemisinin (DHA), a well-known antimalarial drug, has been widely investigated for its antitumor effects in multiple malignancies. However, its effects and regulatory mechanisms in colorectal cancer (CRC) are still unproved. In this study, in vitro experiments including CCK8, EdU, Transwell, and flow cytometry analyses and an in vivo tumorigenesis model were conducted to assess the effects of DHA on the bio-behaviors of CRC cells. Additionally, RNA-seq combined with gene ontology and Kyoto Encyclopedia of Genes and Genomes analyses was used to obtain the targets of DHA, and these were verified by molecular docking, qRT-PCR, and Western blotting. As a result, we found that DHA significantly suppressed the proliferation, DNA synthesis, and invasive capabilities and induced cell apoptosis and cell cycle arrest in HCT116, DLD1, and RKO cells in vitro and in vivo. Further analyses indicated that the targets of DHA were predominantly enriched in cell cycle-associated pathways, including CDK1, CCNB1, and PLK1; and DHA could bind with the CDK1/CCNB1 complex and inhibit the activation of CDK1/CCNB1/PLK1 signaling. Moreover, cucurbitacin E, a specific inhibitor of the CDK1/CCNB1 axis, enhanced the inhibitory effects of DHA on DNA synthesis and colony formation in HCT116 and DLD1 cells. In short, DHA could suppress the tumorigenesis and cycle progression of CRC cells by targeting CDK1/CCNB1/PLK1 signaling.
The Influence of Signaling on the Disfluency Effect in Multimedia Learning
Authors: Lai Tingming , Zhang Jinkun
Published: November 2021

Do students learn better with texts that areslightly harder-to-read(i.e., disfluent)? Previous research has yielded conflicting findings. The present study identified the boundary condition that determines when disfluent texts benefit learning. We used eye-tracking to examine the joint influence of text legibility (fluent vs. disfluent) and signaling (signaling vs. non-signaling) on multimedia learning. The results revealed that both disfluent text and signaling led to better transfer test performance, and there was also an interaction between them. Specifically, the disfluent text led to better learning outcomes with or without signaling; however, in the fluent text condition, only signaling facilitated learning. Eye movement analyses indicated that signaling guided learners to pay more attention to important content in the learning materials. The current results suggest that signaling can enhance individuals’ perceived fluency or familiarity to the material and guide the attention during multimedia learning, and the positive impact of disfluency on multimedia learning seems to be more stable and ubiquitous. We discuss these under the framework of disfluency effect and attention-guiding effect.
Deep Learning-Based Object Tracking via Compressed Domain Residual Frames
Authors: El Khoury Karim , Samelson Jonathan , Macq Benoît
Published: November 2021

The extensive rise of high-definition CCTV camera footage has stimulated both the data compression and the data analysis research fields. The increased awareness of citizens to the vulnerability of their private information, creates a third challenge for the video surveillance community that also has to encompass privacy protection. In this paper, we aim to tackle those needs by proposing a deep learning-based object tracking solution via compressed domain residual frames. The goal is to be able to provide a public and privacy-friendly image representation for data analysis. In this work, we explore a scenario where the tracking is achieved directly on a restricted part of the information extracted from the compressed domain. We utilize exclusively the residual frames already generated by the video compression codec to train and test our network. This very compact representation also acts as an information filter, which limits the amount of private information leakage in a video stream. We manage to show that using residual frames for deep learning-based object tracking can be just as effective as using classical decoded frames. More precisely, the use of residual frames is particularly beneficial in simple video surveillance scenarios with non-overlapping and continuous traffic.
Aplicación del modelo CAPM al sector de fabricación de otros productos minerales no metálicos del Ecuador: periodo 2009 -2019
Authors: Reyes-Clavijo Marco Antonio , Pinos-Luzuriaga Luis Gabriel , Tonon-Ordóñez Luis Bernardo , Orellana-Osorio Iván Felipe
Published: October 2021

El análisis de riesgo de mercado constituye una herramienta en la toma de decisiones en las organizaciones, al considerar el alto nivel de incertidumbre que afecta el cumplimiento de los objetivos empresariales. En el presente trabajo de investigación se aplica el modelo CAPM para calcular el rendimiento mínimo esperado para el sector de fabricación de otros productos minerales no metálicos del Ecuador (CIIU C23), en base a información financiera contable.  Para el cálculo del coeficiente Beta se realizó una estimación por mínimos cuadrados ordinarios, en donde se propuso un ROE ajustado. La data estuvo conformada en promedio por 183 empresas en el periodo 2009-2019. El coeficiente Beta del sector fue 0,9737, valor levemente inferior al que presenta el sector de Industrias Manufactureras (CIIU C) que fue 1,0688. Al desagregar el análisis por subsectores, se determinó que el C231 tiene un Beta de 0,5976, valor menor a 1, es decir que tiene menor riesgo que el mercado.  Por otra parte, el subsector C239 tuvo un Beta de 1,0008, valor cercano a 1, es decir que su volatilidad mayor a la del mercado. En el cálculo del rendimiento mínimo esperado, los resultados en todos los sectores analizados reflejaron un valor inferior al rendimiento real promedio, es decir que las empresas, en promedio, tienen un desempeño superior al esperado y por lo tanto se puede afirmar que las empresas crean valor.
Sustentos teóricos que fundamentan la influencia del contexto comunitario en el Desarrollo Infantil Integral de los niños de 0-5 años
Authors: Fernández-Rodríguez Martha María
Published: October 2021

El presente artículo respondió a un resultado del proyecto de investigación “Influencia de la comunidad Batallón del Suburbio en el Sur de Guayaquil, en el Desarrollo Infantil Integral de los niños de 0 a 5 años”, implementado por la carrera Desarrollo Infantil Integral del Tecnológico Universitario Espíritu Santo en el año 2021. Datos estadísticos de investigaciones previas realizadas por el Departamento de Estadística del Centro de Salud Santiago de Guayaquil, confirmaron la presencia de 2.021 niños de 0 a 5 años en este sector. Existiendo en dichas familias falta de preocupación por el buen desarrollo infantil integral. Todo lo cual condujo a los siguientes problemas de investigación ¿Cómo mejorar la influencia de las familias de la comunidad Batallón del Suburbio en el Desarrollo Infantil Integral de los niños de 0 a 5 años?  ¿Qué sustento teórico fundamenta la influencia del contexto comunitario en el Desarrollo Infantil Integral de los niños de 0-5 años?  Dicha investigación se proyectó como objetivo general “Sistematizar los sustentos teóricos que fundamentan el desarrollo Infantil Integral de los niños de 0-5 años en un contexto comunitario. La investigación fue de tipo explicativa o causal no experimental y tuvo como resultado un marco teórico de referencia para la valoración del Desarrollo Infantil Integral de los niños de 0 a 5 años de la comunidad Batallón del Suburbio. Se usaron métodos teóricos como el deductivo, analítico sintético, histórico comparativo y método de investigación cualitativa.
Gestión del conocimiento como herramienta para la gestión administrativa en el sector Guasmo Sur - Guayaquil
Authors: Madrid-Mosquera Evelyn Verónica , Clemente-González Maribel Alexandra , Infante-Jaramillo Jhoanne Danniela , Rivera-Aguilar Estrella Zulema
Published: October 2021

Las tiendas de barrios son fuentes de ingresos económicos para las familias que, por falta de aplicación de conocimientos administrativos, impiden que se adapten a sus necesidades, frente a la competencia y por ende puedan provocar el cierre de estos. La importancia del presente estudio reside en dar a conocer opciones para mejorar las dificultades administrativas que atraviesan en sus actividades cotidianas. Factores como el tiempo, dinero, el desconocimiento entre otros, son considerados como parte de las causas que impiden el aprendizaje y crecimiento de estos. Por lo que, para contrarrestar la problemática existente, se estableció como objetivo general realizar un análisis situacional para poder conocer las gestiones administrativas que manejan los micronegocios denominados tiendas de barrio del Guasmo Sur en la ciudad de Guayaquil. La metodología de investigación que se empleó es mixta, donde la recolección de datos se realizó por medio de las herramientas como encuesta, entrevistas y observaciones dirigidos a los dueños y clientes de tiendas pertenecientes a la localidad del Guasmo Sur de nuestra ciudad porteña. Por lo cual concluimos, que las tiendas de barrio del Guasmo Sur, en su gran mayoría son administrados por miembros de una misma familia, siendo el 45,9% de estos negocios la única fuente de ingresos. Estos micronegocios a su vez asumen conductas empresariales en menores escalas, por lo que podrían mejorar la administración del negocio y la atención al cliente al conocer la importancia de la gestión administrativa.
El Kaizen como un sistema de gestión de contrataciones para el éxito organizacional en una entidad pública del Perú
Authors: Valdiviezo-López Raúl , Ruiz-Loayza Geraldine Luisa , Martínez-Quintanilla Roy Fernando
Published: October 2021

El sector público en el Perú tiene el desafío de ser más eficiente en la gestión de los procesos de contrataciones, para lo cual necesita una organización ágil que gestione de manera eficaz los procesos y maximice el valor de los recursos asignados al momento de realizar las contrataciones públicas, las organizaciones tendrán éxito cuando se logre mejores condiciones de precio y calidad, de acuerdo a la finalidad pública. La presente investigación tuvo como objetivo proponer la aplicación de estrategias Kaizen, para optimizar la gestión del proceso de contrataciones para montos iguales o inferiores a los ocho (8) UIT en una entidad pública del Perú. La investigación se desarrolló bajo un enfoque mixto con diseño explicativo secuencial, la cual incluyó instrumentos de investigación estructurados y no estructurados, los mismos que fueron elaborados para la recopilación de la información. Se aplicó encuestas (30 personas) y entrevistas (3 personas) donde participaron usuarios del área de logística. Entre los principales hallazgos se identificaron ineficiencias y carencia en la aplicación de las normas, procedimientos y control de los procesos de contrataciones para los bienes y servicios de montos inferiores a ocho Unidades Impositivas Tributarias. Se concluye que es imperioso aplicar mejoras a los procesos de contrataciones, utilizando la herramienta del ciclo de Deming PHVA, el diseño de los diagramas PEPSU, ASME y la implementación de dashboard para el control de requerimientos, hasta que se logre mayor cantidad de bienes y servicios contratados bajo condiciones idóneas de precio y calidad en las entidades públicas.
La psicoterapia en una sociedad postmoderna.
Authors: Caro Isabel
Published: October 2021

En este trabajo relacionamos la psicoterapia con la postmodernidad, partiendo de la respuesta que ésta ofrece a cuatro elementos clave: el lenguaje, la verdad, la importancia del contexto social y la marginalización del método. Veremos, siguiendo este discurso postmoderno, cuál puede ser su influencia en nuestra comprensión de la psicopatología, del paciente o cliente que se presenta ante nosotros, en cómo afecta todo ello a nuestro papel terapéutico y nuestro aprendizaje, para terminar esbozando cómo se entiende la psicoterapia postmoderna.
Eclecticismo e integración: concienciarse de los peligros.
Authors: Lazarus Arnold A.
Published: October 2021

Una postura ecléctica sólo se garantiza cuando no hay elección posible de tratamientos bien documentados sobre un trastorno particular, o cuando estos métodos establecidos no consiguen los resultados deseados. Pero se debe ir con mucho cuidado cuando se va en busca de métodos eficaces potenciales que todavía no se han probado científicamente. Es muy fácil confundir observaciones con teorías y confundir las cosas cuando se adoptan nociones superfluas. Aplicar ciertos procedimientos que utilizan los clínicos psicodinámicos, o recurrir a las técnicas típicamente utilizadas por los terapeutas de la Gestalt, no significa “hacer terapia psicodinámica” o adoptar la terapia Gestalt per se. No hay ningún ejemplo en el que la combinación de diferentes teorías haya derivado en una técnica más poderosa, pero sí existen numerosos casos en los que las técnicas provenientes de diferentes disciplinas han enriquecido los recursos del clínico. Un breve ejemplo de una mujer agorafóbica que fue tratada con terapia ecléctica nos ayuda a poner de relieve los pros, contras y peligros del eclecticismo y la integración.
Eric Berne y Fritz Perls, veinticinco años después.
Authors: Casado Esquius Lluis , Gimeno-Bayón Cobos Ana
Published: October 2021

En este artículo se presenta una síntesis de Eric Berne y Fritz Perls, creadores del Análisis Transaccional y de la Terapia Gestalt, respectivamente, así como de sus aportaciones más importantes a la Psicología y a la Psicoterapia. Algunas de las aportaciones del Análisis Transaccional son la posibilidad de ofrecer un modelo sistemático de la teoría de la personalidad a través de conceptos sencillos y prácticos, como los estados del ego o los guiones de vida y la voluntad de integrar teórica y metodológicamente los aspectos intrapsíquicos e interpersonales.Por su parte, las aportaciones más importantes de Perls son su concepción holística, constructivista y sistémica de la realidad, su visión del ser humano como un organismo psicofísico interdependiente con el ambiente, la creación de una terapia procesual que trabaja con el modo cómo el paciente contacta con el ambiente en la sesión terapéutica a fin de obtener la satisfacción de sus necesidades, y una metodología psicoterapéutica que anima al paciente a responsabilizarse de su propia vida.
Anomaly Detection on Data Streams for Smart Agriculture
Authors: Moso Juliet Chebet , Cormier Stéphane , de Runz Cyril , Fouchal Hacène , Wandeto John Mwangi
Published: November 2021

Smart agriculture technologies are effective instruments for increasing farm sustainability and production. They generate many spatial, temporal, and time-series data streams that, when analysed, can reveal several issues on farm productivity and efficiency. In this context, the detection of anomalies can help in the identification of observations that deviate from the norm. This paper proposes an adaptation of an ensemble anomaly detector called enhanced locally selective combination in parallel outlier ensembles (ELSCP). On this basis, we define an unsupervised data-driven methodology for smart-farming temporal data that is applied in two case studies. The first considers harvest data including combine-harvester Global Positioning System (GPS) traces. The second is dedicated to crop data where we study the link between crop state (damaged or not) and detected anomalies. Our experiments show that our methodology achieved interesting performance with Area Under the Curve of Precision-Recall (AUCPR) score of 0.972 in the combine-harvester dataset, which is 58.7% better than that of the second-best approach. In the crop dataset, our analysis showed that 30% of the detected anomalies could be directly linked to crop damage. Therefore, anomaly detection could be integrated in the decision process of farm operators to improve harvesting efficiency and crop health.
Economic Analysis of the Use of Reclaimed Water in Agriculture in Southeastern Spain, A Mediterranean Region
Authors: López-Serrano María. J. , Velasco-Muñoz Juan F. , Aznar-Sánchez José A. , Román-Sánchez Isabel M.
Published: November 2021

In a global context where agriculture is the major consumer of water, there is a pressing need to look for alternative water resources. In light of there being a lack of studies that compare the use of diverse water alternatives in different crops, the overall objective of this research is to evaluate the impact generated by the use of tertiary water from an economic and financial perspective and compare it with groundwater and desalinated water. To reach this objective, a detailed study of the cost structure of greenhouse investment has been developed. Furthermore, the most traditional indicators for investment profitability have been calculated for the three different water alternatives: tertiary water, groundwater and desalinated water. The cost analyses demonstrate the relative short reach that the price of water has in an area of greenhouse agriculture exploitation, which provides a margin of increasing water costs while still allowing for economic profit. Taking into account the three water resources considered, evidence shows that the use of tertiary water is not only financially and economically viable but is also the best alternative water resource above desalinated water in terms of profitability and sustainability.
Potential of Nanoparticles Integrated with Antibacterial Properties in Preventing Biofilm and Antibiotic Resistance
Authors: Thambirajoo Maheswary , Maarof Manira , Lokanathan Yogeswaran , Katas Haliza , Ghazalli Nur Fatiha , Tabata Yasuhiko , Fauzi Mh Busra
Published: November 2021

Nanotechnology has become an emerging technology in the medical field and is widely applicable for various clinical applications. The potential use of nanoparticles as antimicrobial agents is greatly explored and taken into consideration as alternative methods to overcome the challenges faced by healthcare workers and patients in preventing infections caused by pathogenic microorganisms. Among microorganisms, bacterial infections remain a major hurdle and are responsible for high morbidity and mortality globally, especially involving those with medical conditions and elderly populations. Over time, these groups are more vulnerable to developing resistance to antibiotics, as bacterial biofilms are difficult to destroy or eliminate via antibiotics; thus, treatment becomes unsuccessful or ineffective. Mostly, bacterial biofilms and other microbes can be found on medical devices and wounds where they disperse their contents which cause infections. To inhibit biofilm formations and overcome antibiotic resistance, antimicrobial-loaded nanoparticles alone or combined with other substances could enhance the bactericidal activity of nanomaterials. This includes killing the pathogens effectively without harming other cells or causing any adverse effects to living cells. This review summarises the mechanisms of actions employed by the different types of nanoparticles which counteract infectious agents in reducing biofilm formation and improve antibiotic therapy for clinical usage.
Enhance Text-to-Text Transfer Transformer with Generated Questions for Thai Question Answering
Authors: Phakmongkol Puri , Vateekul Peerapon
Published: November 2021

Question Answering (QA) is a natural language processing task that enables the machine to understand a given context and answer a given question. There are several QA research trials containing high resources of the English language. However, Thai is one of the languages that have low availability of labeled corpora in QA studies. According to previous studies, while the English QA models could achieve more than 90% of F1 scores, Thai QA models could obtain only 70% in our baseline. In this study, we aim to improve the performance of Thai QA models by generating more question-answer pairs with Multilingual Text-to-Text Transfer Transformer (mT5) along with data preprocessing methods for Thai. With this method, the question-answer pairs can synthesize more than 100 thousand pairs from provided Thai Wikipedia articles. Utilizing our synthesized data, many fine-tuning strategies were investigated to achieve the highest model performance. Furthermore, we have presented that the syllable-level F1 is a more suitable evaluation measure than Exact Match (EM) and the word-level F1 for Thai QA corpora. The experiment was conducted on two Thai QA corpora: Thai Wiki QA and iApp Wiki QA. The results show that our augmented model is the winner on both datasets compared to other modern transformer models: Roberta and mT5.
Environmental and Economic Evaluation of Mechanical Biological Treatment System for Municipal Waste Considering the Political Framework in Ichihara City
Authors: Ogawa Akihisa , Ono Shimpei , Onoda Hiroshi
Published: November 2021

Japan’s declining population has caused changes in the amount and characteristics of municipal waste. In order to optimize waste incineration plants as a countermeasure to this problem, we analyzed the performance of the integration of the plants with the Mechanical Biological Treatment (MBT) system. In the integrated system, food waste and sewage sludge from waste incineration plants, sewage treatment plants, and industrial facilities were mixed and fermented to produce methane gas. In this study, we evaluated the environmental and economic performance of the integrated system in four case scenarios. The integrated system is located in Ichihara City in Chiba Prefecture, where the Keiyo Coastal Industrial Zone is located and where petroleum and chemical industries are concentrated. The MBT system in which the heat generated from the incineration of waste was transferred to the Keiyo Coastal Industrial Zone was found to be the best. This method could reduce CO2 emissions by 1341 t-CO2/Y, and the annual cost was the lowest at 1.60 billion yen/Y. However, the results of the sensitivity analysis of the food waste ratio and the piping distance suggested that it may be impossible to obtain appropriate evaluation results without considering the regional characteristics.
The San1 Ubiquitin Ligase Avidly Recognizes Misfolded Proteins through Multiple Substrate Binding Sites
Authors: Ibarra Rebeca , Borror Heather R. , Hart Bryce , Gardner Richard G. , Kleiger Gary
Published: November 2021

Cellular homeostasis depends on robust protein quality control (PQC) pathways that discern misfolded proteins from functional ones in the cell. One major branch of PQC involves the controlled degradation of misfolded proteins by the ubiquitin-proteasome system. Here ubiquitin ligases must recognize and bind to misfolded proteins with sufficient energy to form a complex and with an adequate half-life to achieve poly-ubiquitin chain formation, the signal for protein degradation, prior to its dissociation from the ligase. It is not well understood how PQC ubiquitin ligases accomplish these tasks. Employing a fully reconstituted enzyme and substrate system to perform quantitative biochemical experiments, we demonstrate that the yeast PQC ubiquitin ligase San1 contains multiple substrate binding sites along its polypeptide chain that appear to display specificity for unique misfolded proteins. The results are consistent with a model where these substrate binding sites enable San1 to bind to misfolded substrates avidly, resulting in high affinity ubiquitin ligase-substrate complexes.
Activatable Second Near-Infrared Fluorescent Probes: A New Accurate Diagnosis Strategy for Diseases
Authors: Li Dong , Pan Jie , Xu Shuyu , Fu Shiying , Chu Chengchao , Liu Gang
Published: November 2021

Recently, second near-infrared (NIR-II) fluorescent imaging has been widely applied in biomedical diagnosis, due to its high spatiotemporal resolution and deep tissue penetration. In contrast to the “always on” NIR-II fluorescent probes, the activatable NIR-II fluorescent probes have specific targeting to biological tissues, showing a higher imaging signal-to-background ratio and a lower detection limit. Therefore, it is of great significance to utilize disease-associated endogenous stimuli (such as pH values, enzyme existence, hypoxia condition and so on) to activate the NIR-II probes and achieve switchable fluorescent signals for specific deep bioimaging. This review introduces recent strategies and mechanisms for activatable NIR-II fluorescent probes and their applications in biosensing and bioimaging. Moreover, the potential challenges and perspectives of activatable NIR-II fluorescent probes are also discussed.
The Electrochemical Behaviour of Quaternary Amine-Based Room-Temperature Ionic Liquid N4111(TFSI)
Authors: Kruusma Jaanus , Tõnisoo Arvo , Pärna Rainer , Thomberg Thomas , Kook Mati , Romann Tavo , Kisand Vambola , Lust Enn
Published: November 2021

In this study, we used the in situ X-ray photoelectron spectroscopy (XPS), in situ mass spectroscopy, cyclic voltammetry and electrochemical impedance spectroscopy methods, for the first time, in a detailed exploration of the electrochemical behaviour of a quaternary amine cation-based room-temperature ionic liquid, butyl-trimethyl-ammonium bis(trifluoromethylsulfonyl)imide (N4111(TFSI)), at the negatively and positively polarised molybdenum carbide-derived micro-mesoporous carbon (mmp-C(Mo2C)) electrodes that can be used as high surface area supporting material for electrocatalysts. The shapes of the C 1s, N 1s, O 1s, F 1s and S 2p XPS spectra were stable for N4111(TFSI) within a very wide potential range. The XPS data indicated the non-specific adsorption character of the cations and anions in the potential range from −2.00 V to 0.00 V. Thus, this region can be used for the detailed analysis of catalytic reaction mechanisms. We observed strong adsorption from 0.00 V to 1.80 V, and at E > 1.80 V, very strong adsorption of the N4111(TFSI) at the mmp-C(Mo2C) took place. At more negative potentials than −2.00 V, the formation of a surface layer containing both N4111+ cations and TFSI− anions was established with the formation of various gaseous compounds. Collected data indicated the electrochemical instability of the N4111+ cation at E < −2.00 V.
Mechanochemically Prepared Co3O4-CeO2 Catalysts for Complete Benzene Oxidation
Authors: Ilieva Lyuba , Petrova Petya , Venezia Anna Maria , Anghel Elena Maria , State Razvan , Avdeev Georgi , Tabakova Tatyana
Published: November 2021

Considerable efforts to reduce the harmful emissions of volatile organic compounds (VOCs) have been directed towards the development of highly active and economically viable catalytic materials for complete hydrocarbon oxidation. The present study is focused on the complete benzene oxidation as a probe reaction for VOCs abatement over Co3O4-CeO2 mixed oxides (20, 30, and 40 wt.% of ceria) synthesized by the more sustainable, in terms of less waste, less energy and less hazard, mechanochemical mixing of cerium hydroxide and cobalt hydroxycarbonate precursors. The catalysts were characterized by BET, powder XRD, H2-TPR, UV resonance Raman spectroscopy, and XPS techniques. The mixed oxides exhibited superior catalytic activity in comparison with Co3O4, thus, confirming the promotional role of ceria. The close interaction between Co3O4 and CeO2 phases, induced by mechanochemical treatment, led to strained Co3O4 and CeO2 surface structures. The most significant surface defectiveness was attained for 70 wt.% Co3O4-30 wt.% CeO2. A trend of the highest surface amount of Co3+, Ce3+ and adsorbed oxygen species was evidenced for the sample with this optimal composition. The catalyst exhibited the best performance and 100% benzene conversion was reached at 200 °C (relatively low temperature for noble metal-free oxide catalysts). The catalytic activity at 200 °C was stable without any products of incomplete benzene oxidation. The results showed promising catalytic properties for effective VOCs elimination over low-cost Co3O4-CeO2 mixed oxides synthesized by simple and eco-friendly mechanochemical mixing.
Stabilization of Pt in SiO2–Al2O3 Microspheres at High Mechanical Resistance, Promoted with W Oxides for the Combustion of CO
Authors: Pallares-García Arturo , Contreras José Luis , Pérez-Cabrera Jennipher , Zeifert Beatriz , Vázquez Tamara , Salmones José , Gutiérrez-Limón Miguel Angel
Published: November 2021

This study shows the development of a combustion promoter for the oil-refining process called fluid catalytic cracking (FCC). The investigation of a catalyst prepared for the combustion of CO composed of 0.05 wt% Pt supported on SiO2–Al2O3–0.5 wt% W microspheres with high mechanical resistance, promoted with tungsten oxides (WOx) that can inhibit the sintering of Pt, is reported. The addition of WOx in SiO2–Al2O3 inhibited the decrease in the specific area when calcined from 550 °C to 950 °C. SiO2–Al2O3 support in the form of calcined microspheres with average diameters between 70–105 µm were produced by spray drying, using two atomization discs with vanes of different geometry: a straight rectangular blade disc (DAR) and a curved rectangular vanes disc (DAC). The DAR disk produced whole microspheres, while the DAC had hollow and broken microspheres. The microspheres were characterized by XRD, SEM, optical microscopy, N2 physisorption (BET area) and fracture resistance tests. The Pt catalysts were evaluated by TPR, H2 chemisorption and CO combustion. The catalyst of 0.05 wt% Pt/SiO2–Al2O3–0.5 wt% turned out to be the most stable. A thermal stabilization effect was observed at contents lower than 1 wt% W that allowed it to inhibit the sintering of the Pt catalyst.
Water Splitting on Multifaceted SrTiO3 Nanocrystals: Computational Study
Authors: Sokolov Maksim , Mastrikov Yuri A. , Zvejnieks Guntars , Bocharov Dmitry , Kotomin Eugene A. , Krasnenko Veera
Published: November 2021

Recent experimental findings suggest that strontium titanate SrTiO3 (STO) photocatalytic activity for water splitting could be improved by creating multifaceted nanoparticles. To understand the underlying mechanisms and energetics, the model for faceted nanoparticles was created. The multifaceted nanoparticles’ surface is considered by us as a combination of flat and “stepped” facets. Ab initio calculations of the adsorption of water and oxygen evolution reaction (OER) intermediates were performed. Our findings suggest that the “slope” part of the step showed a natural similarity to the flat surface, whereas the “ridge” part exhibited significantly different adsorption configurations. On the “slope” region, both molecular and dissociative adsorption modes were possible, whereas on the “ridge”, only dissociative adsorption was observed. Water adsorption energies on the “ridge” ( −1.50 eV) were significantly higher than on the “slope” ( −0.76 eV molecular; −0.83 eV dissociative) or flat surface ( −0.79 eV molecular; −1.09 eV dissociative).