bluuebunny/crossref_metadata_2025 huggingface dataset:
Needs Assessment in Curriculum Development for Madrasah Ibtidaiyah Teacher Education Study Program at IAIN Palangka Raya
Authors: Rizal Setria Utama , Hikmah Nurul
Published: January 2023

The Madrasah Ibtidaiyah Teacher Education (PGMI) Study Program at IAIN Palangka Raya is the only PGMI study program in Central Kalimantan Province. To meet the needs of MI teachers in the province of Central Kalimantan, the PGMI study program must continue to develop a curriculum that meets the needs of stakeholders. The purpose of this study was to describe whether the need assessment carried out in the curriculum development of the PGMI study program IAIN Palangka Raya was in accordance with the needs of stakeholders. This research method used descriptive-qualitative. Data collection techniques used interviews, observation, and documentation with the subject of the secretary of the Madrasah Ibtidaiyah teacher education study program and stakeholders (five madrasah/school principals and five civil servant teachers) at MIN 1, 2, 3, MIS Miftahul Huda 2 and SDN 5 Menteng, Palangka Raya City. The results showed that the development of the curriculum for the primary school teacher education study program at IAIN Palangka Raya was based on MBKM and OBE with several changes and additions to courses: adding the credit load for general courses and reducing the credit load for religious courses, streamlining the credit load for religious courses to become PAI courses, adding the Merdeka Learning Merdeka Campus program, namely Teaching Assistance in 2022 and adding a lecturer exchange program. Curriculum development was carried out by conducting a need assessment involving stakeholders, graduate users, students, deputy dean I and homebase lecturers with study program expertise.
Aqeedah Values of Ahli Sunnah Waljama’ah in “Hikayat Tengkorak Kering”: A Content Analysis
Authors: Dahri Harapandi
Published: January 2023

Aqeedah, fiqh, and akhlaq are the three main pillars in carrying out the religion that the Prophet has brought to the earth so that human beings can know their destiny perfectly. This matter has been recorded in the hadith of Jibril, which is a hadith that explains the arrival of the Angel Jibril to teach the pillars of religion to Muslims. The scholars describing the values of the three main teachings have various ways and methods. One of them is Haji Abdullah bin Haji Muhammad Sa'ed bin Haji Muhammad Arsyad who used the story entitled "Hikayat Tengkorak Kering" (dry skull tale). This article aimed to describe the aqeedah values of Ahli Sunnah Waljamaah found in the story “Hikayat Tengkorak Kering”. In order to understand aqeedah values embedded in this dry skull tale, this article employed a “content analysis” approach, which was by studying the content of the tale in-depth and linking it with authentic teaching sources (the Quran and al-Sunnah as well as interpretations of scholars of Ahli Sunnah waljama'ah). The data were in the form of written text from the story “Hikayat Tengkorak Kering”. The findings in this study are aqeedah values of Ahli Sunnah Waljama'ah such as faith in the Prophet of Allah, faith in the angels of Allah, faith in the Qada and Qadr, the realm of barzakh, the torment of the grave, hell and its torments, benefits of charity in the afterlife as well as practices that need to avoid in order to keep people away from the torment and punishment in hell.
Plagiarism in Islamic Education, Online Learning and Student Self Efficay in the Time of Covid-19
Authors: Prasetyo Adirasa Hadi , Anwar Khairul , Manurung Alberth Supriyanto , Lestari Novika , Jamilah Jamilah
Published: January 2023

This article discusses plagiarism behavior among students and university students. Islamic education must be able to provide enlightenment and additional insight to students so that they stay away from plagiarism. This research is a literature review that is reviewed in depth and comprehensively. The research method is in the form of literature review by putting forward the relevant theory. The results of this literature review research are in the form of a relationship between Islamic education and the prevention of plagiarizing behavior in online learning and student self-efficacy.
The Character Education in Learning of Islamic Education: An Analysis of Character Values in Islamic Education Textbook for V Grade Islamic Elementary School
Authors: Cahyadi Ani , Della Dhia Alfa
Published: January 2023

This research aims to determine and analyze the character values contained in the textbooks of Islamic Education for V grade in Islamic Elementary School. The method used in this research was a content analysis method with a qualitative approach. The source of research data is the PAI (Pendidikan Agama Isam) textbook for Madrasah Ibtidaiyah which is divided into four books, namely Akidah Akhlak, Qur'an Hadith, Fikih, and Sejarah Kebudayaan Islam. The results showed that there are main character values in each book, namely Religius, Nationalis, Mandiri, Gotong Royong, and Integritas scattered throughout the books. Meanwhile, the most dominant character value that appears is Religius with its sub value "Hubungan individu dengan Tuhan". Then, other character values such as Nasionalis and Mandiri are still not widely published in this PAI textbook. Such as Mandiri character that is not in the fikih subject, then nasionalis character which is also not in the subjects of the Qur'an Hadith and Fikih.
Development Of Subject Teacher Consultation Management In Improving The Competence Of The Qur’an Hadits’ Teachers In Madrasah Aliyah In Demak District
Authors: Zarkasi Zarkasi
Published: January 2023

This research is a case study which takes a research in Islamic Senior high school at religion ministry in Demak district and D.I. Yogyakarta Province. While the data collection is done by documentary,  observation, and deep interview with the head of Islamic education school section at  religion ministry district office of D.I. Yogyakarta province and Demak District, the chief of management of teacher’s subject forum,  Al-Qur’an Hadits’ teacher and the chief workgroup of madrasah.  Data analysis is processed when the researcher were in field, collecting the data,  and when all of data is collected as finishing of field section. The result of this research shows that : 1) teacher’s subject forum management in Islamic senior high school Demak District has some problems in main programe agenda, human resource, infrastructure and facilities,  a management,  a financial,  controlling and evaluation.  2) Management development of teacher’s subject forum in D.I Yogyakarta province is covering the development of programs and agenda, human resource, infrastructure and facilities, a management,  a financial,  controlling and evaluation.  3) the lesson that can be learnt from both of research subject is do the system development correctly,  program and structure to improving and developing the teacher’s subject forum management in Demak district to become professional organization that can improve the teacher’s competence.
efecto óptico (2020): ¿existe la ficción todavía?
Authors: Urbano Reyes Jesús
Published: January 2023

Se pregunta Jacques Aumont si, con el nuevo paradigma digital, ¿existe la ficción todavía? El presente artículo se cuestiona esta pregunta analizando la película Un efecto óptico (2020), dirigida por Juan Cavestany. El artículo atiende al concepto de ficción expuesto por Jacques Aumont en Límites de la ficción (2016) e incide en la problemática derivada de los nuevos límites que señala el autor como propios de la ficción contemporánea. Se propone la aproximación a Un efecto óptico bajo tres perspectivas: la primera, en relación al cine poscontinuo que definió Steven Shaviro en 2012 como aquella vertiente del cine contemporáneo donde la causalidad y la continuidad espacial se han diluido. La segunda perspectiva reflexiona sobre la influencia del género burlesco en la película, y en concreto en la conversión del gag laberíntico e interactivo de Jacques Tati en gag mental como síntoma de psicosis de los personajes con respecto a la propia ficción que experimentan. Y la tercera, la importancia de la ficción lynchiana para la comprensión del panorama audiovisual contemporáneo. El estudio termina con el análisis de la película orientado a responder a la pregunta inicial para extraer algunas conclusiones generales sobre el nuevo estatuto de la ficción en la era del streaming y la realidad post-digital.
Comunicación y populismo: el uso de la fe para desinformar en las elecciones presidenciales de 2022 en Brasil
Authors: Moreira Breno
Published: January 2023

La campaña por la presidencia de Brasil en 2022 estuvo marcada por la polarización. El candidato Jair Bolsonaro, reconocidamente populista y que hizo su campaña anterior basada en las redes sociales, tiene a los evangélicos como parte de su base de apoyo. En los últimos años ha habido un crecimiento en el número de líderes evangélicos que tratan de política en las redes sociales, con el fin de influir en el voto de sus seguidores. Este estudio tuvo como objetivo verificar el alcance potencial del discurso de estos líderes, verificar cuánto hablan de política y si, para eso, difunden desinformación. Para eso, elegimos a diez líderes evangélicos con gran representación en las redes sociales y contamos sus publicaciones en un período de siete semanas antes de las elecciones, para verificar cuántos hablaban sobre la política. Después elegimos 30 de estas publicaciones y vimos cuántas difundían desinformación. Los resultados mostraron que estos influencers alcanzan una gran cantidad de seguidores: van desde 1,8 millones hasta 21,5 millones de personas. Hubo 1.045 publicaciones en el período, de las cuales el 17,1% se ocuparon de la política. De la muestra de 30 publicaciones se observó un 70% de difusión de desinformación.
Plan de negocio para la comercialización de macerados en pisco en el ámbito de Lima Metropolitana
Authors:   , Guevara Zavaleta Miluska Milagros , Marin Orjeda Raysa Lisbeth , Pérez Chamochumby Marco Alonso , Salazar Alarcón Jahir Fernando , Villamil De Rossi Ursula María Rosa
Published: January 2023

El presente proyecto tiene por finalidad crear una empresa de Macerados en pisco, hechos a base de pisco peruano con frutas y hierbas comestibles maceradas y decoración del hogar funcional enfocada en el uso de materiales. La empresa lanzará al mercado macerados de cuatro sabores: maracuyá, fresa, menta, piña y canela, los cuales compraremos a tres distintos proveedores, quienes los elaboraran únicamente para la marca Munay y nos entregaran un nuevo stock cada 20 días, al utilizar el pisco como base de nuestros macerados lo que queremos también es impulsar la compra de pisco, bebida alcohólica hecha a base de uva oriunda de Perú, bebida emblemática que destaca por ser purificador del organismo y un diurético excelente, también se utiliza para combatir procesos crónicos relacionados con males cardiacos, renales. Hemos tomado como mercado objetivo a Lima moderna donde tenemos clientes potenciales por poco más de dos millones, pero gracias a que vendemos por aplicativo móvil como lo son Rappi y PedidosYa, podemos llegar sin problema a gran parte de Lima metropolitana. Entonces el canal de distribución y venta de nuestros macerados, será vía online, solo contaremos con un almacén-centro de distribución desde donde enviaremos los pedidos o el cliente si desea puede recoger, debido a que la ubicación física es céntrica, frente al centro financiero de San Isidro. Contaremos con un plan de marketing intensivo en redes sociales y Google business para dar a conocer nuestra marca.
Presencia de microplásticos en los tejidos de Ucides occidentalis (Brachyura: Ocypodidae) (Ortmann, 1897) procedente de los principales centros de venta en Tumbes, Perú
Authors:   , Aguirre Sanchez Angelica Pilar Leonor
Published: January 2023

En el norte del Perú, el cangrejo de manglar Ucides occidentalis tiene gran importancia por su rol ecológico, económico y social. En el presente estudio, reportamos por primera vez la presencia de microplásticos (MPs) en las branquias y tracto digestivo del cangrejo de manglar U. occidentalis. La media abundancia de MPs fue diferente en ambos tejidos (p=0.0045). Un total de 6 diferentes tipos fueron registrados, el mayor porcentaje correspondió a las fibras (59.64- 61.05%) y films (19.28 - 36.63%), siendo las fibras transparentes el componente más importante en las branquias (125) y tracto digestivo (192). El comportamiento del cangrejo permite la entrada de microplasticos con un tamaño menor de 250 µm en las branquias (90%) y tracto digestivo (53.79%). A pesar de que el presente estudio es una línea base para la rápida identificación de microplastic en el cangrejo de manglar, sugerimos que estos resultados proveen más información del estado de contaminación; así como ser de alerta de seguridad alimentaria para los mercados locales de la ciudad de Tumbes.
Factores epidemiológicos y clínicos asociados a un mayor riesgo de estadía prolongada en niños menores de 2 años con bronquiolitis en el Hospital Docente Madre Niño San Bartolomé durante el período 2019-2021
Authors:   , Bustamante Quintana Luis Dhabit Abdel
Published: January 2023

Resumen: La bronquiolitis es una infección viral aguda de las vías respiratorias inferiores que afecta a lactantes y niños pequeños en todo el mundo. Causada comúnmente por el virus sincitial respiratorio humano (VSR). Infecciones por VSR resulta en más de 30 millones de casos en niños menores de 5 años anualmente, con gran porcentaje de hospitalizaciones. La identificación oportuna de factores de riesgos asociados a bronquiolitis, que sean condicionantes; harán que el manejo de estos pacientes se realice con mayor eficiencia y eficacia, al momento de que requieran de hospitalización. Objetivo: Determinar factores de riesgo y frecuencia asociados a estancia hospitalaria prolongada en niños menores de 2 años con diagnóstico de bronquiolitis del Hospital San Bartolomé en el periodo 2019 al 2021. Metodología: Estudio observacional, analitico y retrospectivo. La herramienta utilizada sera la recoleccion datos a traves de una ficha basada en Historias clínicas de niños menores de 2 años con diagnostico de bronquiolitis atendidos en el Hospital San Bartolome (periodo: enero 2019 a diciembre 2021). Dicha base se trabajara con el programa SPSS y se calculara la asiduidad de los factores de riesgo relacionados con un analisis descriptivo (promedios y desviaciones standares) y inferencial (chi cuadrado y modelos lineales).
Develando los factores químicos y físicos que explican la capacidad de adsorción de metales contaminantes por el biochar
Authors:   , Sarmiento Li Christian Martin
Published: January 2023

Se evaluó la capacidad del biochar de adsorber metales y se verificó, específicamente, la hipótesis de que la capacidad de adsorción depende de las propiedades del biochar, los atributos del metal y por las condiciones experimentales, en ese orden. Para ello, se analizaron 559 isotermas de adsorción de Langmuir individuales extraídas de 133 estudios y se cubrió la capacidad de adsorción del biochar elaborado por seis diferentes clases de materia prima, tres tipos distintos de pretratamientos a la materia prima, cinco tipos de tratamiento post-pirólisis al biochar, y por 17 metales diferentes. La capacidad del biochar de adsorber metales dependió significativamente de la materia prima usada para elaborar el biochar, por la composición elemental del biochar y por el tratamiento post-pirólisis del biochar respectivamente. Este análisis mostró que la materia prima usada para producir el biochar es esencial. Al analizar las variables con el valor de importancia más alto, el biochar elaborado con materia prima rica en nutrientes, pareció ser más efectivo para inmovilizar metales. Los resultados también demostraron la efectividad de los tratamientos químicos post-pilórisis, los cuales acidifican u oxidan el biochar para adsorber los metales. La capacidad del biochar de inmovilizar metales mostró mejores resultados que otros tratamientos de suelos utilizados en la actualidad, y esto, adicionado al hecho de que el biochar puede elaborarse con residuos orgánicos, enfatizó el importante rol que el biochar podría tener en un modelo de economía circular donde los residuos de los procesos de la industria alimentaria podrían ser usados para remediar los suelos y potenciarlos.
Factibilidad económica de la producción de Chondracanthus chamissoi, cultivo vía esporas en laboratorio, San Andrés-Pisco
Authors:   , Díaz Ruíz Jenny Thalia , Fretell Timoteo Wendy Jackeline
Published: January 2023

La producción de algas en el territorio peruano está destinada mayormente al comercio exterior una de ellas es Chondracanthus Chamissoi, una macroalga roja la cual es demandada tanto para consumo directo fresco, así como indirecto para ser procesada industrialmente. Este recurso presenta una problemática de extracción ilegal en la región de Ica, la misma que ha generado como consecuencia la disminución de bancos naturales para pescadores formales organizados mediante cooperativas cuyos ingresos percibidos provienen en parte de esta actividad. En consecuencia la Universidad Científica del Sur ha establecido un laboratorio que opera en el distrito de San Andrés-Pisco, cuya finalidad es garantizar la sostenibilidad del C. chamissoi, por ello, el objetivo del presente estudio fue determinar la factibilidad tanto técnica como económica de la producción de plántulas de esta alga a partir de un sistema de esporulación y asentamiento de esporas en el hatchery, mediante el uso de herramientas como estructura de costes, estimación de ingresos, flujo de caja y cálculo del VAN y TIR. Los resultados obtenidos de este análisis en un escenario esperado, haciendo uso de un horizonte temporal de 10 años, muestran un VAN positivo de S/260,938.66 y una TIR en un 33%, cuyo porcentaje indica el alto retorno de la inversión realizada, concluyendo la conveniencia de ejecutar el proyecto por la generación de rentabilidad, considerando la implementación de estrategias para cubrir con las necesidades del mercado.
Clima organizacional y satisfacción laboral de los trabajadores de la Oficina Nacional de Procesos Electorales del Perú – 2020
Authors:   , Bardales Reategui Mary Cruz
Published: January 2023

En la presente la investigación se realizó un estudio del clima organizacional y el grado de satisfacción laboral presente en los trabajadores de la Oficina Nacional de Procesos Electorales (ONPE) durante el año 2020. Asimismo, se analizó el vínculo existente entre ambas variables y su influencia en el clima organizacional y los trabajadores. La investigación corresponde a un diseño no experimental de tipo descriptiva y con enfoque cuantitativo. El estudio fue constituido por una población de 1296 trabajadores, de los cuales se tomó como muestra a 296. Al procesar e interpretar los resultados obtenidos mediante el software analítico estadístico Statistical Package for the Social Sciences – SPSS, se obtuvo que, del total de la muestra, el 26.7% del personal de la ONPE manifiesta que el clima organizacional es malo, así mismo para el 48.3% es regular y para el 25% el ambiente laboral es bueno. Respecto a la satisfacción laboral, se observó que, del total de la muestra, el 28% del personal de la ONPE percibe que la satisfacción laboral es baja, así mismo para el 49% es medio y para el 23% la satisfacción laboral es alta. Del análisis de los resultados de la tabla cruzada se concluye que, mientras el clima organizacional es malo, la satisfacción laboral es baja (19.3%) y cuando el clima organizacional es bueno, satisfacción laboral es alta (16.9%). Finalmente se recomienda, que las organizaciones deben conocer aquellos factores que tienen fuerte incidencia en el ambiente laboral de la organización, ya que dichos factores pueden afectar el nivel de satisfacción laboral de los trabajadores y como consecuencia se afecte la productividad.
Evaluación ecotóxica de suelos contaminados con residuos municipales de un botadero, en Eisenia fetida Sav.
Authors:   , Mendoza Gil Lizbeth
Published: January 2023

El estudio evaluó los efectos letales y subletales sobre la lombriz de tierra Eisenia fetida (Savigny, 1826), de cinco muestras de suelos contaminados por residuos municipales procedentes del botadero Pampa Calanguillo, Lima, Perú. Se expuso a E. fetida a seis concentraciones: 0,39%, 0,78%, 1,56%, 3,13%, 6,25% y 12,50%, y a un tratamiento control que correspondió a un suelo artificial para evaluar su efecto ecotóxico. El efecto letal evaluado fue la mortalidad, y los efectos subletales fueron cinco: fragmentación, adelgazamiento, oscurecimiento, peso medio y longitud media a los 7 y 14 días de exposición. Los suelos fueron evaluados por sus propiedades físico químicas, metales pesados e hidrocarburos. Los suelos contaminados presentaron efectos de toxicidad letal (concentración letal media, CL50) en E. fetida, donde el nivel de afectación predominó en los suelos con mayor presencia de metales e hidrocarburos. Los efectos subletales prevalecientes fueron adelgazamiento y peso medio, mientras que la fragmentación y oscurecimiento se evidenciaron en las concentraciones más altas. La reducción de longitud fue un efecto subletal donde no hubo diferencias significativas entre las concentraciones empleadas. Los valores de NOEC se determinaron en las más bajas concentraciones. Con el estudio se ha demostrado que existe un efecto tóxico letal en la E. fetida, lo que se corroboró con la disminución de la población de las lombrices. Además, se comprobó la presencia de efectos subletales. La evidencia sugiere que los residuos municipales dispuestos en los botaderos, son fuentes de degradación de la calidad de los suelos y por tanto representan riesgo ecológico en la biota que alberga.
Monitoreo con video "selfie" para mejorar la técnica de cepillado dental
Authors:   , Chavez Cerpa Gretta Maria Fernanda
Published: January 2023

OBJETIVO: Evaluar si el monitoreo con video “selfie” ayuda a mejorar la técnica de cepillado dental. MATERIALES Y MÉTODOS: Ensayo clínico observacional, prospectivo, longitudinal aleatorizado de 30 participantes (edad media: 33,8) fueron asignados aleatoriamente a los grupos monitoreado (n=15) y grupo control (n=15 ), Todos los participantes recibieron una capacitación sobre la técnica de cepillado y se les entregó un kit de limpieza que contenía una pasta dental “Colgate” y cepillado dental “curaprox”, solo el grupo monitorea por video selfie recibió a parte una capacitación de como cepillarse los dientes mientras se grababan a través de sus teléfonos celulares, ambos grupos tuvieron 4 evaluaciones al inicio a los 7, 14 y 30 días, al finalizar se comparó ambos IHOS E Índice de Silness y Loe. RESULTADOS: En los tres primeros controles no hubo diferencia significativa con respecto al índice de higiene oral simplificado (0,77; 1,03; 0,10) en el control a los 30 días el grupo monitoreo por video “selfie” si hubo diferencia significativa de (0,05) en comparación al grupo control y en la evaluación del índice de Silness y Loe se observó que no hubo diferencia significativa en los 2 primeros controles dando como resultado (0,3; 0,6) en el tercer control si hubo diferencia significativa de 0,02 y el cuarto control de 0,05. CONCLUSIÓN: los resultados destacan una gran mejoría en el cepillado dental de los pacientes monitoreados por video “selfie” en comparación al grupo control por lo tanto ayuda a mejorar la higiene bucal.
Evaluación de los niveles de presión sonora y su relación con la diversidad de aves en el humedal costero Poza de la arenilla, Callao, Perú
Authors:   , Merizalde Burneo Desirée Laura
Published: January 2023

El humedal costero Poza de La Arenilla (HCPA), ubicado en la provincia constitucional del Callao, en Perú, es un ecosistema caracterizado por su elevada riqueza ornitológica, afectada en los últimos años por las actividades antrópicas en sus alrededores que generan altos niveles de presión sonora (NPS), los cuales pueden perjudicar a la comunidad de aves que reposa en la zona. Por este motivo, el objetivo de la presente investigación es evaluar la relación entre los NPS y la diversidad de la comunidad de aves, en distintas zonas del ecosistema. Para lograrlo, de setiembre a diciembre del 2021 se realizó un monitoreo de NPS para comparar las mediciones con la normativa peruana vigente, y un monitoreo de aves para determinar la diversidad alfa de la comunidad ornitológica mediante el cálculo de la riqueza, abundancia, equidad y dominancia. Los resultados indicaron una correlación significativa moderada negativa entre las fuentes fijas y la abundancia. Por ende, concluimos que la abundancia de la comunidad ornitológica del HCPA, disminuye con el aumento de los NPS provenientes de fuentes fijas. Por otro lado, los resultados del monitoreo de NPS indicaron que el 100% de las mediciones exceden los 50dB, límite establecido en los ECAs para ruido, generando contaminación sonora en el humedal. Por este motivo, es importante prevenir y tomar las medidas adecuadas para el control del ruido, realizando monitoreos continuos que involucren tanto variables biológicas como ambientales, para que las actividades antrópicas dejen de afectar a la comunidad ornitológica presente.
Eficacia de las tiras aclaradoras comparado con el aclaramiento con férulas en casa, a base peróxido de hidrógeno: una revisión sistemática
Authors:   , Colina Neyra Esteban Mauricio
Published: January 2023

Objetivo: En los últimos años, el aclaramiento dental se ha vuelto uno de los tratamientos más solicitados, generando un aumento de productos aclaradores en el mercado, en las últimas décadas. Es por eso que el objetivo del estudio fue determinar cuál procedimiento es más eficaz, las tiras aclaradoras o las férulas aclaradoras, ambas a base de peróxido de hidrógeno. Método: Se realizó una búsqueda en las bases de datos Medline, Scopus, Lilacs, Google Scholar y Sciencedirect de los últimos 20 años hasta el 25 de octubre del 2022. La búsqueda utilizó palabras claves y términos MeSH para evaluar la eficacia de las tiras y las férulas aclaradoras con relación a la valoración color y tolerancia. Resultados: Dos artículos de 173 buscados en las bases de datos cumplieron con los criterios de elegibilidad y fueron analizados cualitativamente, en el primer estudio se demostró que las tiras aclaradoras fueron más efectivas con respecto al cambio de color y tuvo mayor tolerancia que el grupo de férulas aclaradoras. En el segundo estudio ambos grupos, tanto férulas como tiras, demostraron resultados similares positivos sin diferencias significativas con respecto al cambio de color, mientras que, para evaluar el nivel de tolerancia, el grupo de las férulas demostró ser superior. Conclusiones: No se pudo determinar cuál de los métodos genera un mayor cambio de color debido a que los estudios usaron dos métodos de medición diferentes. No se pudo determinar cuál de los dos métodos fue mejor tolerado por el paciente.
Seeking Clarity in Murky Waters
Authors: Wright Blake
Published: January 2023

In the oil-rich Permian Basin of west Texas and southern New Mexico, water serves as catalyst and crutch, ally and enemy, asset and liability. It’s water that allows producers to fracture high-potential wells in the region and get robust volumes of oil to flow back to the wellhead. It’s water that has allowed basinwide production to climb from pre-pandemic levels of around 4.7 million to over 5.4 million B/D in November 2022—a new record for the region.

However, along with the oil that flows out of each well comes produced water. A lot of it. In some areas of the Permian’s Delaware Basin, for example, for every oil barrel extracted, producers can get 15 bbl of produced water (Fig. 1).

Produced water is a complex issue with no true silver bullet to solve the problem of what to do with all of it. In addition, each current handling method employed is a partial solution at best, each with its own set of hurdles. Recycling is growing in popularity and scope, but the infrastructure in place and planned is finite. Disposal is under enhanced scrutiny in both Texas and New Mexico due to its potential seismicity impact and has even been banned within several areas. Even trucking it away adds unfavorably to capital costs and environmental impacts.

Produced water is also nasty stuff, full of saline and it can also contain varying amounts of oil residues, sand or mud, naturally occurring radioactive materials, chemicals from fracture fluids, bacteria, and dissolved organic compounds.

On the flip side, water demand in the Permian remains high as operators move to boost production as pandemic concerns wane. According to analysis by Wood Mackenzie, the typical 500,000 bbl of water needed to fracture a 10,000-ft lateral is close to the daily demand of the city of Midland, Texas.

With numbers like that, you can start to see the appeal of recycling produced water into water that can be reused by oil companies to fracture wells, and limit the reliance on other water sources and the competition for those with municipalities, farms, etc.

“There are two main benefits to recycling water that companies talk about quite a lot. First, the more water you recycle, the less water you need to inject into disposal wells, and there’s a lot of scrutiny on that because of the induced seismicity in the region. Secondly, increasing recycled water use reduces sourced water costs,” explained Josh Dixon, senior research analyst with Wood Mackenzie. “Many people don’t realize it, but the cost of sourcing groundwater can be a lot higher than recycled water. If you’re sourcing all your water from water wells, you’ve got to pay the Opex of those wells, as well as royalties to the landowners where those wells are. By recycling your own produced water, you’re just basically treating something that you would otherwise have to pay to dispose of, and then you can reuse it. Water recycling Opex is coming down, and some companies are now citing increased recycling as an economic incentive as opposed to a purely ESG one.”
Does the level of democratic institution determine the amount of fossil fuel in the energy consumption mix in Nigeria?
Authors: Okere Kingsley Ikechukwu , Ogbulu Maxwell Onyemachi , Manasseh Charles O. , Omoke Philip C. , Ogbodo Izuchukwu
Published: January 2023

The main objective of this study is to explore the dynamic relationship between the level of democracy and the amount of fossil fuel in the energy consumption mix in Nigeria over the period 1975–2020. To achieve this objective, the autoregressive distributed lag (ARDL) bounds testing method is applied. The results revealed that democracy has a positive and significant long (lasting) and short run (immediate) effects on the amount of fossil fuel in the energy consumption mix in Nigeria. However, the positive effect decreases significantly with an increase in the level of oil dependence in the short run. The results of this study in general support the view that high dependence of political democratic institution on oil wealth reduces the positive effects of democracy in making public goods available in oil-exporting economies. This study therefore recommend that diversification away from fossil fuel in energy consumption mix in Nigeria which may require formulating appropriate policies that will increase access to cleaner forms of energy (e.g. solar and wind energy) in the economy.
Bi-directional crosstalk between cells and extracellular matrix leads to network morphogenesis in multi-layered tissues
Authors: Jo Youngmin , Yim Donghyun , Park Chan E , Yong Insung , Lee Jongbeom , Cho Wonjin , Ahn Kwang Ho , Yang Chanhee , Chang Jae-Byum , Park Young-Gyun , Kim Taek-Soo , Kim Taeyoon , Kim Pilnam
Published: January 2023

Cell-generated mechanical forces drive many cellular and tissue-level movements and rearrangements required for the tissue or organ to develop its shape. The prevalent view of tissue morphogenesis relies on epithelial folding resulting in compressed epithelial monolayers, overlooking the involvement of stroma in morphogenesis. Here, we report a giant web-like network formation of stromal cells in the epithelium-stroma interface, resulting from a multi-scale mechano-reciprocity between migrating cells and their extracellular environment. In multi-layered tissues, surface wrinkles form by a stromal cell-mediated tensional force exerted at the basement membrane. The topographical cue is transmitted to the stromal cell, directing its protrusion and migration along the wrinkles. This inductive movement of the cells conveys traction forces to its surrounding extracellular matrix, remodeling the local architectures of the stroma. In this manner, stromal cells and wrinkles communicate recursively to generate the cellular network. Our observation provides a rational mechanism for network formation in living tissues and a new understanding of the role of cellular-level tensional force in morphogenesis.
Genomic characterization of disinfectant resistance genes in carbapenem-resistant Klebsiella pneumoniae isolates
Authors: Liu xiaoli , Gong Lin , Liu Ernan , Li Changfeng , Wang Yimei , Liang Jiansheng
Published: January 2023

The emergence and widely global spread of carbapenem-resistant Klebsiella pneumoniae (CRKP) isolates are of great concern. This multi-center study was conducted to investigate the antimicrobial susceptibility, the disinfectant resistance genes and genetic relationship of CRKP isolates from inpatients in Wuhan, China. Seventy-four nonduplicated CRKP clinical isolates were collected from six hospitals in Wuhan from June 2018 toMarch 2019. MICs of eighteen antibiotics were determined. Real-time PCR was used to detect the presence of disinfectant resistance genes qacEΔ1 and cepA. Pulsed-field gel electrophoresis (PFGE) were conducted for genetic relatedness of 46 CRKP isolates co-producing qacEΔ1 and cepA. Among 74 CRKP isolates, the rates of resistance to carbapenems were 93.24% to ertapenem, 90.54% to imipenem and 87.84% to meropenem, all isolates were resistant to at least one carbapenem antibiotic. Only the rate of susceptibility to tetracycline was 52.70%. 64.86% (48/74) of them were positive for qacEΔ1, 93.24% (69/74) for cepA, the cepA gene was much more prevalent than qacEΔ1, there is a significant difference (x2 = 17.00,P<0.05), qacEΔ1 and cepA were detected concomitantly in 46 isolates (62.16%),only 4.05% (3/74) had no disinfectant resistance genes. PFGE analysis clustered the 46 CRKP strains co-producing qacEΔ1 and cepA into 15 different clonal clusters (Type A to O) using 80% similarity as the cut-off, the most common clonal clusters were Type C (41.30%), Type E (13.04%), Type J (8.70%), Type I (6.52%) and Type L (6.52%). The study showed high rates of resistance to the majority antibiotics, high frequency of qacEΔ1 and cepAin CRKP isolates, PFGE results suggest polyclonal dissemination, specific clonal disseminations of CRKP either within the same hospital or between different hospitals were detected. Therefore, medical institutions should choose and use disinfectants correctly to prevent the spread of CRKP.
K-means cluster analysis to support diabetic patient care
Authors: Galán Federico M. Cirett , Torres-Peralta Raquel , Mora Omar Fernando García
Published: January 2023

This research work seeks to improve the output of a data mining algorithm that supports diabetic patients' care. The model that is currently in operation uses three variables that are obtained from a general medical appointment database. This work aims to find other characteristics in the database to add them to those already considered to better describe patients to provide more accurate information. The article shows the process followed to improve the results of a k-means grouping algorithm for the follow-up process of diabetic patients. We present the process of defining the considered characteristics that were not part of the model, to analyze and eventually add them. A qualitative comparison between the algorithms is shown and the findings are explained during the analysis of the studied variables, in relation to sex and age of the patients.
Effectiveness of tele-exercise programme for elderly at risk of falls. Protocol for a randomized controlled trial.
Authors: Chan Karly O.W , Yuen Peter P.M. , Fong Ben Y.F. , Law Vincent T.S. , Ng Fowie S.F. , Fung Wilson C.P. , Ng Tommy K.C. , Cheung I.S.
Published: January 2023

Background: Continuous loss of muscle mass and strength are the consequences of the ageing process, increasing the risk of falls among older adults. Falls can lead to severe consequences such as bone fractures and hampered physical and psychological well-being. Regular exercise is the key to reversing muscle atrophy and relieving sarcopenia. However, the frailty of the elderly and the recent COVID-19 pandemic may affect their confidence in leaving home to attend classes in the community. A feasible and effective alternative should be explored.
Methods: The primary objective is to evaluate the effectiveness of tele-exercise (TE) on physical function and exercise adherence among the community-dwelling elderly at risk of falls in comparison with a community-based group (CB). The secondary objective includes evaluating the elderly's experience with tele-exercise, emphasizing their psychological welfare, social well-being, and acceptance of the telehealth approach. The design, conduct, and report follow the SPIRIT guidelines (Standard Protocol Items: recommended items to address in a Clinical Trial Protocol and Related Documents). The elderly will be recruited from 10 local community centres in Hong Kong and randomly allocated into two groups. All participants will attend the exercise training 3 days per week for 3 months but differ in the mode of delivery, either online as the tele-exercise group (TE) or face-to-face as the community-based group (CB). The outcome measures include muscle strength, physical function, exercise adherence and dropout rate, psychological and social well-being will be assessed at baseline, the 3rd, 6th and 12th month. Some participants will be invited for focus group interviews to evaluate their overall experience of the tele-exercise training.
Discussion: Tele-exercise reduces barriers to exercise, such as time constraints, inaccessibility to facilities, and the fear of the frail elderly leaving home. Promoting an online home-based exercise programme for the elderly can encourage them to engage in regular physical activity and increase their exercise adherence even when staying home. The use of telehealth can potentially result in savings in costs and time. The final findings will give insights on delivering exercise via telehealth approach to the elderly and propose exercise delivering and maintenance model for future practices.
Trial registration: Chinese Clinical Trial Registry (http://www.chictr.org.cn/searchproj.aspx), registration number: ChiCTR2200063370. Registered on 5 September 2022
Antibacterial Activity of Some Iranian Plant Essential Oils as Disinfectant Agents on Surfaces Contaminated with Staphylococcus Aureus and Pseudomonas Aeruginosa
Authors: Nejad Zahra Bastani , Nikrouz Laila , Abdollahi Abbas
Published: January 2023

The component and antibacterial effects of six essential oils )EOs(, including Cuminum cyminum (CCEO), Artemisia sieberi (ASEO), Laurus nobilis (LNEO), Ferula Gummosa essential (FGEO), Lippia citriodora (LCEO), Cymbopogon citratus (CIEO) were measured by GC-MS and 96-well micro-plates (IC50), against Staphylococcus aureus and Pseudomonas aeruginosa. Then, the antibacterial effects of FGEO, the most efficient EO, were examined on the trolley surface in hospital for 1, 3, 5 and 10 min intervals. While CCEO, ASEO, and FGEO have the highest effects on the growth of S. aureus, CIEO and LNEO showed the best outcomes on P. aeruginosa. In addition, our finding showed that FGEO relatively decreases the growth of S. aureus and P. aeruginosa on the trolley surface (P < 0.05). In addition, FGEO, one of the best disinfectant agents of the present study, showed relatively antibacterial effects on the surface of the trolley.
Light-induced ideal Weyl semimetal in HgTe via nonlinear phononics
Authors: Shin Dongbin , Rubio Angel , Tang Peizhe
Published: January 2023

Interactions between light and matter allow the realization of out-of-equilibrium states in quantum solids, involving dynamic engineering of their properties.
In particular, nonlinear phononics is one of the efficient approaches to realizing the stationary electronic state in non-equilibrium.
Herein, by using extensive ab initio molecular dynamics, we identified that long-lived quasi-stationary geometry via light-driven nonlinear phonon dynamics could stabilize the topological nature in the material family of HgTe compounds.
We show that coherent excitation of the infrared-active phonon mode results in distortions of atomic geometry with a lifetime of several picoseconds.
Four Weyl points are located exactly at the Fermi level in this non-equilibrium geometry, making it an ideal long-lived metastable Weyl semimetal.
We propose that such a topological phase in the light-driven state can be identified by photoelectron spectroscopy of the Fermi arc surface states or the ultrafast pump-probe transport measurements of the nonlinear Hall effect.
The Relationship Between Wbl and Certificated Learning Within Higher Education Institutions: the Ghanaian Experience
Authors: Appiah Ninette Afi , Acquaye Richard
Published: January 2023

Purpose
The study examined the relationship between WBL models and certificated learning within Higher (fashion) Education institutions in the Ghanaian context.
Design/methodology/approach
The study employed the quantitative data collection and analysis technique. Thus, questionnaires were administered. The population included postgraduate and undergraduate students of the HE institutions in Ghana offering the fashion design and textiles studies option and some fashion houses. A purposive sampling technique was used to select forty-eight (48) fashion houses and some graduates practising their acquired skills. Again, out of ten (10) technical universities, eight (8) were selected for data collection. The sampled institutions selected represent a fair distribution of the overall population of HE institutions that offer vocational education, especially higher fashion education programs. A Pearson moment correlation was run to determine the relationship between the core variables.
Findings
This study draws on the various WBL literature to inform the development of a framework to illustrate the interaction of HE, WBL and the industry. The data collected and analyzed displayed no violation of normality, linearity or homoscedasticity by visual inspection. However, HE had a weak and negative correlation against all the WBL models except for YAP and CA, which were positive, but these also had weak correlations., this is the WBL program that benefits students.
Originality
This study exhibited a sufficient comprehension of the relationship between WBL and certificated learning within higher education institutions.
Improving Chatbot Responses with Context and Deep Seq2Seq Reinforcement Learning
Authors: Tran Quoc-Dai Luong , Le Anh-Cuong
Published: January 2023

Developing conversational agents that can generate appropriate responses for meaningful and natural conversations between humans and machines is a difficult task in the field of artificial intelligence. One key factor for agents to produce accurate responses is the ability to fully and effectively utilize the context of the current utterance in a conversation. However, many previous studies have neglected the relationship between utterances in a conversation, which limits their effectiveness. This paper aims to address this limitation by introducing a novel method for modeling the contextual information of the current utterance when generating a response. The goal of this research is to improve the accuracy of responses generated by conversational agents by considering the contextual information of the current utterance in a conversation. To achieve this, we propose a novel approach that combines a Deep Seq2Seq model with reinforcement learning. The Deep Seq2Seq model generates responses based on the left context of the current utterance, while reinforcement learning is used to evaluate the entire generated conversation based on the right context of the current utterance. We also utilize a pre-trained word embedding model to help build reward functions for the reinforcement learning component and to represent words in the generated responses. Experimental results show that the proposed model leads to significant improvements in BLEU scores compared to a baseline model.
Association between middle cerebral artery morphology and branch atheromatous disease
Authors: Nagasawa Junpei , Suzuki Kenichi , Hanashiro Sayori , Yanagihashi Masaru , Hirayama Takehisa , Hori Masaaki , Kano Osamu
Published: January 2023

Introduction: Branch atheromatous disease (BAD) is a type of cerebral infarction caused by stenosis or occlusion at the entrance of the penetrating branch due to the presence of plaque. Despite its clinical significance, it is not clear how these plaques are formed. Focal geometrical characteristics are expected to be as important as vascular risk factors in the development of atherosclerosis. This study aimed to analyze the association between middle cerebral artery (MCA) geometric features and the onset of BAD. Shear stress results from the blood flow exerting force on the inner wall of the vessels and places with low wall shear stress may be prone to atherosclerosis. At the curvature of blood vessels, the shear stress is weak on the inside of the curve and plaque is likely to form. When this is applied to the MCA M1 segment, downward type M1 is likely to form plaques on the superior side. Because the lenticulostriate artery usually branches off from the superior side of the MCA M1 segment, in downward type M1, a plaque is likely to be formed at the entrance of the penetrating branch, and for that reason, BAD is likely to onset.
Methods: We retrospectively reviewed hospitalized stroke patients with BAD and investigated the morphology of their MCA using magnetic resonance imaging. The M1 segment was classified as straight or curved. Additionally, we compared the difference between the symptomatic and the asymptomatic side. Data regarding patients’ medical history were also collected.
Results: A total of 56 patients with lenticulostriate artery infarctions and BAD were analyzed. On the symptomatic side, downward type M1 accounted for the largest proportion at 44%, whereas on the asymptomatic side, it was the lowest, at 16%.
Conclusion: A downward type MCA may be associated with the onset of BAD and the morphological characteristics might affect the site of plaque formation.
Savings transition in Asia: Unity in diversity
Authors: Athukorala Prema-chandra , Suanin Wanissa
Published: January 2023

This paper examines the national savings behaviour in the process of economic growth through a comparative analysis of countries in developing Asia from a historical perspective. Developing Asia provides an ideal laboratory for the study with considerable differences in the savings behaviour among countries and over time within individual countries, notwithstanding the ‘model saver’ image based on the average savings rate. The empirical analysis distinguishes between private and government savings rates, with specific emphasis on the former. The findings are consistent with the view of ‘virtuous circle’ between growth and savings, with growth initiating the savings transition. No evidence to suggest that a prior phase of promoting savings through specific policy initiatives is needed to initiate the process of growth and structural transformation. The private savings rate is associated positively with per capita gross domestic product, export orientation, and foreign resource inflows and negatively with the young dependency ratio of the population and domestic credit availability.
JEL classification:D15, E21, O47, O53