bluuebunny/crossref_metadata_2025 huggingface dataset:
Improvement of the Polyhydroxyalkanoates Recovery from Mixed Microbial Cultures Using Sodium Hypochlorite Pre-Treatment Coupled with Solvent Extraction
Authors: Montiel-Jarillo Gabriela , Morales-Urrea Diego A. , Contreras Edgardo M. , López-Córdoba Alex , Gómez-Pachón Edwin Yesid , Carrera Julián , Suárez-Ojeda María Eugenia
Published: September 2022

The use of mixed microbial cultures (MMC) and organic wastes and wastewaters as feed sources is considered an appealing approach to reduce the current polyhydroxyalkanoates (PHAs) production costs. However, this method entails an additional hurdle to the PHAs downstream processing (recovery and purification). In the current work, the effect of a sodium hypochlorite (NaClO) pre-treatment coupled with dimethyl carbonate (DMC) or chloroform (CF) as extraction solvents on the PHAs recovery efficiency (RE) from MMC was evaluated. MMC were harvested from a sequencing batch reactor (SBR) fed with a synthetic prefermented olive mill wastewaster. Two different carbon-sources (acetic acid and acetic/propionic acids) were employed during the batch accumulation of polyhydroxybutyrate (PHB) and poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) from MMC. Obtained PHAs were characterized by 1H and 13C nuclear magnetic resonance, gel-permeation chromatography, differential scanning calorimetry, and thermal gravimetric analysis. The results showed that when a NaClO pre-treatment is not added, the use of DMC allows to obtain higher RE of both biopolymers (PHB and PHBV), in comparison with CF. In contrast, the use of CF as extraction solvent required a pre-treatment step to improve the PHB and PHBV recovery. In all cases, RE values were higher for PHBV than for PHB.
Gas Dynamics Processes above the Polymers Surface under Irradiation with Broadband High-Brightness Radiation in the Vacuum Ultraviolet Spectrum Region
Authors: Pavlov Aleksei , Shchepanyuk Tadeush , Skriabin Andrei , Telekh Victor
Published: September 2022

Obtaining new data on the gas-dynamic responses from the polymer samples (polytetrafluoroethylene, PTFE) irradiated by powerful VUV radiation from compressed plasma flows is in the focus of the present study. An erosion type magnetoplasma compressor (MPC), a type of plasma focus discharge, was used as a radiation source. The operating voltages of the MPC were between 15 and 25 kV, the maximum measured discharge current was 200 kA, and the radiation energy in the VUV range was ≈1–2 kJ. The VUV fluxes on the sample surface were high and equal to ≈1022–1024 photons cm−2·s−1. Double-exposure laser holographic interferometry and schlieren photography were used to diagnose and visualize the gas-dynamic structures. The spatial distribution of the parameters (temperature, pressure and concentrations of electrons and ions) was defined based on the assumption of local thermodynamic equilibrium. It has been demonstrated that the maximum temperature ranged from ≈ 10 to 15 kK in the plasma layer. The electron concentration was ≈ (0.7–1.6) × 1018 cm−3 in this region. The used techniques of optical diagnostics and procedures of result processing make it possible to obtain data on the dynamics of polymer ablation, which occurs when their surface is exposed to powerful energy fluxes (thermal, shock-wave, radiation, and other extreme loads).
Scalable Manufacturing Process and Multifunctional Performance of Cotton Fibre-Reinforced Poly(Lactic Acid) (PLA) Bio-Composites Coated by Graphene Oxide
Authors: He Yilin , Wu Shuying , Yuen Anthony Chun Yin , Huang Feng , Boyer Cyrille , Wang Chun H. , Zhang Jin
Published: September 2022

Natural fibre biopolymer composites with both fibres and matrix being derived from biomaterials are increasingly used in demanding applications, such as sensing, packaging, building, and transport, and require good electrical, thermal, and flame retardant properties. Herein, an investigation of the effectiveness of functionalising nonwoven cotton/poly(lactic acid) (PLA) fibre mats with graphene oxide nanosheets has been reported by using a facile dip-coating method followed by thermal reduction for enhancing the electric, thermal, and abrasion-resistance properties. The manufacturing processes for preparing biocomposites and introducing functionality are readily scalable. Experimental results reveal that with the addition of less than 0.5 wt% graphene nanoplatelets, the biocomposites showed significant improvements in abrasion resistance, electrical conductivity, thermal conductivity, and diffusivity. Furthermore, the composite shows excellent piezo-resistivity to act as strain sensors with a gauge factor of 2.59 at strains up to 1%.
Novel Thermoplastic Composites Strengthened with Carbon Fiber-Reinforced Epoxy Composite Waste Rods: Development and Characterization
Authors: Butenegro José Antonio , Bahrami Mohsen , Swolfs Yentl , Ivens Jan , Martínez Miguel Ángel , Abenojar Juana
Published: September 2022

The increasing use of carbon fiber and epoxy resin composite materials yields an increase in the amount of waste. Therefore, we present a solution consisting of composites manufactured by hot pressing, employing polyamides (either PA11 or PA12) and a mechanically recycled carbon fiber-reinforced polymer (CFRP) as reinforcement. The main objectives are to study the manufacturing of those composites, to evaluate the fiber distribution, and to perform a mechanical, dynamical, and thermomechanical characterizations. The X-ray micro-computed tomography (μCT) shows that the fibers are well-distributed, maintaining a homogeneous fiber volume fraction across the material. The variability in the results is typical of discontinuous fiber composites in which the fibers, although oriented, are not as homogeneously distributed as in a continuous fiber composite. The mechanical and dynamic properties barely differ between the two sets of composites. A dynamic-mechanical analysis revealed that the glass transition temperature (Tg) increases slightly for both composites, compared to the polymers. These results illustrate the viability of the recycling and reuse route for preventing the deterioration of carbon fibers and promoting the subsequent reduction in the environmental impact by employing a thermoplastic matrix.
Comparative characteristics of the prevalence of health disorders in schoolchildren with standard weight and overweight, including obesity
Authors:   Federal Budgetary Institution «Novosibirsk Research Institute of Hygiene» of Rospotrebnadzor. Novosibirsk, Russian Federation, Novikova I. I. , Shevkun I. G. ,   Federal Service of Rospotrebnadzor, Moscow, Russian Federation, Gavrish S. M. ,   Federal Budgetary Institution «Novosibirsk Research Institute of Hygiene» of Rospotrebnadzor. Novosibirsk, Russian Federation, Semenikhina M. S. ,   Federal Budgetary Institution «Novosibirsk Research Institute of Hygiene» of Rospotrebnadzor. Novosibirsk, Russian Federation, Ivleva G. P. ,   Federal Budgetary Institution «Novosibirsk Research Institute of Hygiene» of Rospotrebnadzor. Novosibirsk, Russian Federation, Sorokina A. V. ,   Federal Budgetary Institution «Novosibirsk Research Institute of Hygiene» of Rospotrebnadzor. Novosibirsk, Russian Federation, Shepeleva O. A. ,   3Federal State Budgetary Educational Institution of Higher Education «Northern State Medical University» of the Ministry of Health of Russia
Published: September 2022

It has been proven that against the background of overweight and obesity, the risk of systemic chronic diseases increases. The article presents the results of studying the characteristics of the indicators of the prevalence of health disorders in schoolchildren with normal and overweight and obesity in a comparative aspect. A survey was conducted of 2159 schoolchildren aged 7–17 years, including 1096 boys/boys and 1063 girls/girls from 6 schools in the Novosibirsk region. Data on chronic morbidity and pathological afflictions of children were copied according to the data of form N 026/y-2000, for respondents in grades 10–11 with overweight (n = 100 people), data on the length and weight of the body were copied in a longitudinal aspect with the purpose of identifying the age of formation of overweight and obesity in order to build a prospective forecast of the prevalence of overweight and obesity in schoolchildren in grades 1–4 upon reaching the age of 16. Parametric statistical methods were used with the calculation of the mean (M) and standard error of the mean (±Se), as well as the methods of correlation and regression analyses. Differences were considered statistically significant at p < 0.05. The revealed differences in the prevalence of chronic diseases in children with overweight and obesity and in children with normal body weight indicate the significant importance of overweight and obesity in the formation of diseases of the circulatory system, endocrine system, food allergies and flat feet. There were no statistically significant differences in the prevalence of chronic diseases of the digestive system, nervous system, visual impairment (p ≥ 0.05). The data obtained with the predicted prospect of an increase in overweight in primary school students indicate the need for continuous development and implementation of both collective and individual prevention measures aimed at minimizing the risks of developing concomitant diseases.
Molecular-genetic and physiological aspects of workers’ adaptation to industrial environment factors
Authors:   Federal State Budgetary Educational Institution of Higher Education «Orenburg State Medical University» of the Ministry of Healthcare of the Russian Federation, Setko N. P. , Berezin I. I. ,   Federal State Budgetary Educational Institution of Higher Education «Samara State Medical University» of the Ministry of Healthcare of the Russian Federation, Gorohova T. V. ,   Federal State Budgetary Educational Institution of Higher Education «Orenburg State Medical University» of the Ministry of Healthcare of the Russian Federation, Setko A. G. ,   Federal State Budgetary Educational Institution of Higher Education «Orenburg State Medical University» of the Ministry of Healthcare of the Russian Federation, Movergoz S. V. ,   Federal State Budgetary Educational Institution of Higher Education «Orenburg State Medical University» of the Ministry of Healthcare of the Russian Federation
Published: September 2022

Molecular genetic studies of cytochrome P-450 genes and assessment of biological adaptation were carried out in 243 machinists and 202 sinkers employed in underground works. It is shown that the processes of adaptation to the factors of the production environment depend on the functionality of regulatory systems and on the characteristics of genetic associations. It was found that 15.3 % of machinists and 15.3 % of sinkers had a satisfactory level of adaptation, tension and an unsatisfactory level — 38.5 % of machinists and 84.6 % of sinkers; only 46.2 % of machinists failed to adapt. At the same time, up to 60 % of drifters had heterozygous mutations of the cytochrome P-450 genes, which provide effective adaptation to changing factors in the production environment, and up to 84.2 % of machinists had homozygous mutations.
Incomplete production as a special accounting object
Authors:   Federal State Budgetary Educational Institution of Higher Education «Buryat State Agricultural Academy named after V. R. Filippov», Ulan-Ude, Russia, Gomboeva A. N.
Published: September 2022

The WIP costs are special accounting and manufacturing process objects that relate to inventory. The article discusses the concept of work in process in accounting, analyzes the types of estimates used in determining the value of work in process.
Agricultural Insurance Market Analysis: Regional Aspect
Authors:   Federal State Budgetary Educational Institution of Higher Education «Stavropol State Agrarian University», Stavropol, Russia, Klishina Yu. E. , Uglitskikh O. N. ,   Federal State Budgetary Educational Institution of Higher Education «Stavropol State Agrarian University», Stavropol, Russia
Published: September 2022

To date, one of the priority tasks of the development of the agro-industrial complex is the formation of a mechanism for the timely identification, prevention and prevention of various entrepreneurial risks associated with the activities of agricultural producers. Insurance is the most effective tool for effective management and mitigation of adverse effects of various types of agricultural risks. The article presents the results of the study of the functioning of the mechanism of agricultural insurance with state support, as well as the impact of agricultural risks on the level of financial stability of agricultural producers. An analysis of the current financial condition of agricultural organizations of the Stavropol Territory was carried out, the financial results of their activities, measures of state support for farmers were considered. The classification of insurance risks, the methodology for calculating insurance premiums, insurance programs are considered. The subject of the study is a risk system at the level of agricultural producers. The information base was the official data of the Federal State Statistics Service, the Central Bank of the Russian Federation, statistical information on the implementation by members of the NSA of agricultural insurance carried out with state support. The scientific novelty of the study consists in the development and systematization of mechanisms for reducing the risks of agricultural producers.
Home-built environment interventions and inflammation biomarkers: a systematic review and meta-analysis protocol
Authors: Hernandez-Garcia Eva , Chrysikou Evangelia , Nekhlyudov Larissa , Gilroy Derek W , Ordóñez-Mena José M
Published: September 2022

Background

Inflammation control is a fundamental part of chronic care in patients with a history of cancer and comorbidity. As the risk–benefit profile of anti-inflammatory drugs is unclear in survivors of cancer, GPs and patients could benefit from alternative non-pharmacological treatment options for dysregulated inflammation. There is a potential for home-built environment (H-BE) interventions to modulate inflammation; however, discrepancies exist between studies.

Aim

To evaluate the effectiveness of H-BE interventions on cancer-associated inflammation biomarkers.

Design & setting

A systematic review and meta-analysis of randomised and non-randomised trials in community-dwelling adults.

Method

PubMed and MEDLINE, Embase, Web of Science, and Google Scholar will be searched for clinical trials published in January 2000 onwards. The study will include H-BE interventions modifying air quality, thermal comfort, non-ionising radiation, noise, nature, and water. No restrictions to study population will be applied to allow deriving expectations for effects of the interventions in cancer survivors from available source populations. Outcome measures will be inflammatory biomarkers clinically and physiologically relevant to cancer. The first reviewer will independently screen articles together with GPs and extract data that will be verified by a second reviewer. The quality of studies will be assessed using the Cochrane risk-of-bias tools. Depending on the clinical and methodological homogeneity of populations, interventions, and outcomes, a meta-analysis will be conducted using random-effects models.

Conclusion

Findings will determine the effectiveness of H-BE interventions on inflammatory parameters, guide future directions for its provision in community-dwelling survivors of cancer and support GPs with safer anti-inflammatory treatment options in high-risk patients for clinical complications.
An Evaluation of the Effect of Proposed Lake Level and Salinity Controls on the Brines of Great Salt Lake, Utah
Authors: Gwynn Wallace
Published: September 2022

An analysis of the many physical and chemical characteristics of the Great Salt Lake leads to the conclusion that any measure or measures to control either lake level or brine salinity will affect both. Three proposed measures to control the lake level have been analyzed to determine their potential effect on the salinity of the lake brines. These measures are: develop additional evaporation areas adjacent to the lake; pump the lake brine to evaporation areas west of the lake; and open the Southern Pacific Railroad causeway. The first two measures will have a minimal effect on the salinity of the lake, but the third measure, opening the causeway, will greatly alter salinity.
Simulation Study of Lead Removal from Waste Water by using Tea Waste as Biosorbent
Authors: Revichandran Thavaambigai , Binti Baharuddin Nurul Huda
Published: September 2022

Toxic heavy metals such as lead have been discharged into water streams due to
industrialization, particularly from the stationery industry. Even though there are
several ways to remove heavy metals, running the procedures is quite expensive. As a result, this research will simulate the performance of tea waste as a bio sorbent agent for removing lead ions from wastewater. The Fixed-Bed Adsorption Simulation Tool (FAST) program will create a simulation in this investigation. Furthermore, different manipulation factors such as lead ion initial concentration, contact time, and adsorbent dose were employed to evaluate its influence on the biosorption process. The results are comparable to a previous study on tea waste as a source of biosorption. According to the previous research and case study, the optimal contact duration is 60 minutes, the best metal ion concentration for adsorption is 100 mg/L, and the best adsorbent dose is 2 g. Furthermore, a comparison of the Langmuir isotherm with the Freundlich isotherm reveals that the Langmuir isotherm produces better results. Moreover, when the pseudo-first-order kinetic model is compared to the pseudo-second-order kinetic model, the pseudo-first-order yields superior results.
Method of the NUP98-NSD1 Detection in Pediatric Patients with Acute Myeloid Leukemia
Authors: Астрамович В.А. , Баровская Ю.А. , Капуза Д.Р. , Наумович М.Г. , Стёганцева М.В.
Published: September 2022

Введение. Химерный транскрипт NUP98-NSD1 характеризует подгруппу пациентов с острым миелоидным лейкозом с плохим прогнозом и общей выживаемостью ниже 10%, что служит основанием для разработки технологии выявления данного транскрипта, а также оценки клинической значимости его определения.Цель. Разработать наиболее эффективный и подходящий метод диагностики NUP98-NSD1.Материалы и методы. Методом полимеразной цепной реакции проведено ретроспективное исследование 31 пациента с острым миелоидным лейкозом на наличие химерного транскрипта NUP98-NSD1.Результаты. Отработан эффективный метод ПЦР-диагностики химерного онкогена NUP98-NSD1 с чувствительностью 10–2 и специфичностью 100%. По результатам ретроспективного исследования обнаружен 1 пациент (3%) с искомой транслокацией (подтверждено секвенированием), у которого инициально был установлен нормальный кариотип. Дополнительный анализ методом FISH продемонстрировал наличие реаранжировки гена NUP98. Описан клинический случай, связанный с исследованием пациента.Заключение. Описанный метод ПЦР-анализа позволяет проводить диагностику у пациентов с ОМЛ на наличие химерного транскрипта NUP98-NSD1. Целесообразно включать в аналитическое исследование пациентов с нормальным кариотипом и без известных рекуррентных транслокаций.

Introduction. The NUP98-NSD1 chimeric transcript characterizes a subgroup of patients with poor prognosis acute myeloid leukemia (AML) and overall survival below 10%, which proves the great importance of identifying and studying this transcript.Purpose. To develop the effective and appropriate method for NUP98-NSD1 detection.Materials and methods. A retrospective study of 31 AML patients for NUP98-NDS1 were performed using polymerase chain reaction.Results. Effective method for NUP98-NSD1 screening were developed. Test has 10–2 sensitivity and 100% specificity. According to the results of a retrospective study, 1 patient (3%) with initially established normal karyotype was found with the desired translocation (confirmed by sequencing). Additional FISH analysis demonstrated the presence of the NUP98 gene rearrangement. The clinical case of the studied patient is described.Conclusion. The described PCR method is an effective tool to diagnose patients with AML for NUP98-NSD1. It is advisable to test patients with a normal karyotype and without known recurrent translocations.
Institute of Residency in Laboratory Medicine: The Experience of Its Formation, the Organization of Clinical and Laboratory Activities and the System of Training Medical Specialists (Medical Pathologists) Abroad
Authors: Камышников В.С.
Published: September 2022

В статье представлена информация об отличительных особенностях систем подготовки и содержания программ до- и последипломного обучения специалистов лабораторной медицины с разным базовым профильным образованием в странах дальнего и ближнего зарубежья. Уделено внимание системе последипломной подготовки врачей клинико-лабораторной службы в Белорусской медицинской академии последипломного образования. Отмечено, что кафедра клинической лабораторной диагностики БелМАПО располагает более чем полувековым опытом последипломной подготовки специалистов в клинической ординатуре, открытой при кафедре БелГИУВ (БелМАПО) со времени ее создания в 1970 г. Еще в советский период времени врачи-лаборанты проходили обучение не только в обычной клинической ординатуре (с продолжительностью обучения в два года), но также в специальной клинической ординатуре («спецординатуре») в течение трех лет, из которых первый год обучения был посвящен освоению иностранных языков. Врачами, закончившими специальную ординатуру, реализовывался экспорт образовательных услуг – приобретенных на кафедре знаний и умений – в страны Африки и Латинской Америки, чему способствовало использование в длительных зарубежных командировках ряда руководств, подготовленных преподавателями кафедры клинической лабораторной диагностики БелМАПО.

The article provides information on the distinctive features of the training systems and content of pre- and postgraduate training programs for laboratory medicine specialists with different basic specialized education in the countries of the near and far abroad. Attention is paid to the system of postgraduate training of doctors of clinical and laboratory service at the Belarusian Medical Academy of Postgraduate Education. It is noted that the Department of Clinical Laboratory Diagnostics of the Belarusian Medical Academy of Postgraduate Education has more than half a century of experience in postgraduate training of specialists in clinical residency, opened at the Department of the Belarusian State Institute for Postgraduate Medical Education since its establishment in 1970. Back in the Soviet period, laboratory doctors were trained not only in ordinary clinical residency (with a duration of training of two years), but also in special clinical residency ("special residency") for three years, of which the first year of training was devoted to the development of foreign languages. Doctors who completed special residency implemented the export of educational services – acquired at the department of knowledge and skills – to the countries of Africa and Latin America, which was facilitated by the use of a number of manuals prepared by teachers of the Department of Clinical Laboratory Diagnostics on long-term foreign business trips.
Embajadora de la paz: Ángela Oliveira Cézar, “diplomacia femenina”, confraternidad americana y pacifismo internacional en el pasaje del siglo XIX al XX
Authors: Bruno Paula
Published: September 2022

El artículo versa sobre la trayectoria de Ángela Oliveira Cézar (1860-1940), una mujer nacida en territorio argentino que devino una figura de referencia del pacifismo internacional del pasaje del siglo XIX al XX. A partir de su itinerario, se analizan las posibilidades y los límites de una mujer latinoamericana a la hora de emprender acciones motivadas por causas como la confraternidad americana y el pacifismo internacional y se muestra la articulación entre las repercusiones locales, regionales y transnacionales de sus ideas y acciones, que la convirtieron en la primera mujer en fundar una asociación pacifista en América Latina y en candidata al Premio Nóbel de la Paz. Para reconstruir su trayectoria se ha recurrido a fuentes de distinto tipo: prensa periódica argentina, latinoamericana, estadounidense y europea, documentación oficial argentina producida para eventos internacionales, correspondencia personal de época reproducida en volúmenes publicados, y otras.
Mariquita Sánchez como corresponsal: los costos reproductivos de la guerra
Authors: Ferreira Yamile
Published: September 2022

En este artículo analizaré la escritura epistolar de Mariquita Sánchez referida a los conflictos bélicos de la Argentina decimonónica. En primer lugar, examinaré la manera en la que su escritura tiene un alto contenido político que ofrece una perspectiva intimista y cotidiana de los acontecimientos militares. Una de las estrategias retóricas en las que me centraré es en el uso de la voz pasiva para hacer referencia a los circuitos informales de información. Por otra parte, su correspondencia revela una visión sobre la guerra y el patriotismo articulado desde la figura discursiva de la “madre”, ya que hace especial hincapié en los costos humanos y materiales de los conflictos. Argumento que Sánchez posiciona a la guerra como el verdadero motivo que impide el progreso del país, tomando ese tópico para criticar la incompetencia masculina en la gestión del proyecto nacional, a la vez que se erige como una “verdadera patriota”. En las formas en las que desarrolla su defensa de la maternidad, Sánchez defiende la educación femenina como vehículo civilizatorio.
Juventudes políticas y derechos humanos: el “Festival contra el indulto” y el activismo político humanitario
Authors: Pighin Daniela
Published: September 2022

El 21 de septiembre de 1989 la Asociación Madres de Plaza de Mayo y las juventudes políticas realizaron el acto y “Festival contra el indulto” con la participación de artistas populares de rock y folclore. El evento condensó la participación juvenil en pos de los derechos humanos y se desarrolló en un momento histórico marcado por los retrocesos en la política de enjuiciamiento a miembros de las Fuerzas Armadas, la falta de respuesta del Estado a la legislación social y las evidencias concretas de la crisis económica.

El objetivo del artículo es indagar en el “Festival contra el indulto” observando qué intereses proyectaron las juventudes políticas que lo organizaron y/o participaron de esta convocatoria; qué intereses impulsaban las organizaciones de derechos humanos respecto a los jóvenes; y qué discursividades sociales circulaban en los medios de comunicación en torno a la relación entre los jóvenes y el accionar político-humanitario. De esta manera, se espera observar el interés y la movilización juvenil en pos de las convocatorias por los derechos humanos y ofrecer hilos de análisis para discutir las concepciones que el Estado y los medios hegemónicos intentaron construir en torno a la juventud.
La visión económica de la revista Cabildo frente al regreso de la democracia argentina (1983-1985): nacionalismo católico y economía nacional
Authors: Rossi Ignacio Andrés
Published: September 2022

La revista Cabildo ha sido reconocida por diversos investigadores dado su repercusión e importancia en los años 1970. Con una impronta nacionalista católica, la publicación constituye una pieza importante de análisis dentro de los nacionalismos religiosos argentinos. Analizada desde diferentes perspectivas políticas por múltiples investigadores, en el presente trabajo proponemos específicamente un abordaje sobre sus columnas económicas durante los primeros años del gobierno de Raúl Alfonsín (1983-1985). La sección económica contó con persistencia y continuidad, revelando la visión programática del grupo editorial en esa dimensión, aunque no sin tensiones importantes. Para ello se consultaron las columnas económicas y de política económica incluidas en los meses que van de diciembre de 1983 hasta junio de 1985, aunque también se realiza un análisis integral de la publicación. Se concluye en que la visión nacionalista de Cabildo, crítica hacia los poderes económicos considerados antinacionales, convivió con otras miradas inclinadas hacia la estabilización económica y las consignas proexportadoras. Además, observamos que la insignia general de la revista que asoció al alfonsismo al marxismo  las izquierdas, no fue lo la consigna principal en la visión económica y en las críticas formuladas a los funcionarios radicales.
Propuestas de escolarización de las infancias indígenas en el Territorio Nacional de Neuquén (1930-1938)
Authors: Villar Laz Carolina Vanessa , Arias Marcelo Daniel Fabián
Published: September 2022

Durante el gobierno de Agustín P. Justo (1932-1938) el accionar coercitivo de los ejércitos nacionales estuvo acompañado por la misión nacionalizadora encarnada en la creación de numerosas instituciones estatales, en particular, escuelas públicas en todo el territorio nacional. En el caso de los territorios patagónicos, y puntualmente en el Territorio neuquino, la presencia indígena era el principal “obstáculo” para consolidar una nación unificada. En este artículo indagamos las principales propuestas educativas destinadas a la población indígena, considerada una minoría étnica. Afirmamos en este trabajo que los internados fueron la opción elegida para estas poblaciones ya que garantizaban el alejamiento de sus comunidades de origen y con ello el avance del proceso de incorporación cultural. Nos focalizamos principalmente en las fuentes históricas obtenidas del repositorio digital que proporciona el “Monitor de la Educación Común”.
El poder punitivo como antesala del exterminio contra el movimiento sindical en Colombia, 1948-1986
Authors: Castaño González Eugenio
Published: September 2022

En este artículo se examina el modo en que el sindicalismo colombiano ha sido perseguido y violentado, en este caso específico, mediante un conjunto de medidas jurídicas orientadas regular las huelgas, las negociaciones laborales, las movilizaciones y las protestas. Este conjunto de medidas se vieron reflejadas en una creciente campaña de estigmatización y asociación entre sindicalismo con el “comunismo” y la insurgencia, particularmente a partir de la segunda mitad de la década del sesenta. Para tales efectos se sistematizaron y analizaron testimonios orales, fuentes judiciales, de prensa y revistas especializadas de la época abordada. Lo anterior es clave para comprender la sistematicidad, persistencia y profundas raíces históricas de este tipo de acciones violentas, además de develar la responsabilidad histórica del Estado colombiano y su estrecha connivencia con actores ilegales.
As consequências da pandemia na geração de trabalho e renda: uma análise exploratória sobre a economia criativa e popular em Araraquara/SP
Authors: Ramos Renan Augusto
Published: September 2022

As transformações ocasionadas pela pandemia do Covid-19 são sensíveis em todas as dimensões da sociabilidade humana. Nesse sentido, buscou-se caracterizar os impactos da pandemia nas práticas da economia criativa e popular do município de Araraquara/SP. A suspensão das edições das feiras criativas no espaço público estreitou os canais de trocas dessas atividades. A partir disso, vulnerabilidades anteriores (RAMOS, 2020) são impulsionadas em função da atual crise sanitária. O objetivo, então, foi realizar uma pesquisa qualitativa sobre os desdobramentos da pandemia na economia criativa e popular de Araraquara/SP. Foram entrevistadas duas atividades recorrentes nas feiras criativas, Amor Retrô e Flores.seremos, a fim de interpretar a nova realidade vivenciada pelas idealizadoras. Ao final da pesquisa, foi possível reconhecer que a suspensão das feiras criativas trouxe impactos não somente de natureza financeira para as responsáveis, mas também nos aspectos da própria sociabilidade que era desenvolvida no espaço público.
Práticas e discursos do Estado brasileiro na condução da política de turismo na “Era PT”
Authors: Buscioli Roberson da Rocha
Published: September 2022

Neste trabalho buscamos analisar as práticas e discursos do Estado brasileiro na constituição da Política Pública de Turismo, no período considerado como “Era PT”, correspondendo interregno de 2003 a 2016. Foram realizadas, pesquisa bibliográfica, análises de documentos oficiais consultados em centros de documentação, e endereços eletrônicos de órgãos governamentais encarregados institucionalmente de planejar, executar e acompanhar as políticas turismo. Como resultados principais observamos que desde os anos de 1990, e em especial após os anos 2000, com a criação do Ministério do Turismo, estabeleceu-se no Brasil um processo de modernização do território, capitaneado pelo Estado a partir de investimentos voltados ao consumo do espaço por meio da atividade turística, materializado em ações deliberadas como o Programa de Desenvolvimento Sustentável do Turismo (PRODETUR), densidades normativas, financiamentos e incentivos fiscais. Tal processo se deu sob forte influência do Banco Interamericano de Desenvolvimento, principal financiador externo de tais políticas.
Trabalho, gênero e subordinação do campesinato no Pontal do Paranapanema (São Paulo)
Authors: Martins dos Santos Maria Aparecida
Published: September 2022

O presente artigo objetiva apresentar resultados de pesquisa obtidos através do trabalho de conclusão de curso e debates teóricos alcançados no desenvolvimento da pesquisa de nível mestrado. Desse modo, tecemos nele discussões sobre a subordinação do campesinato, através da integração na produção de pepinos na região do Pontal do Paranapanema (São Paulo), sobretudo, ao que diz respeito às relações de trabalho da mulher nesse modelo de produção. Dessa forma, consideramos que a pesquisa científica, ao mesmo tempo em que, identificou as estratégias de subordinação da empresa que determina o pacote de produção de pepinos, também demonstrou que a mesma fortalece a desigualdade de gênero invisibilizando o trabalho da mulher camponesa.
Esencial... ¿para quién exactamente? Trabajar en la agricultura de temporada en Canadá y en las maquiladoras de México
Authors: Labrecque Marie France
Published: September 2022

En abril de 2020, al cerrarse la frontera canadiense debido a la pandemia, los trabajadores migrantes temporales del Programa de Trabajadores Agrícolas Temporales (PTAT), en particular los procedentes de México, fueron declarados “esenciales” y se les permitió entrar en Canadá. Un mes después, a pesar del cierre, en México las maquiladoras de autopartes recibieron la orden del gobierno de reabrir al considerar su trabajo como algo “esencial”. Este artículo aborda ambas situaciones. Metodológicamente, se basa en un seguimiento documental de varias investigaciones etnográficas realizadas en los últimos años con estos trabajadores. Desde la perspectiva de la economía política, se destacarán los vínculos estructurales entre el trabajo estacional en el sector agroalimentario canadiense y el trabajo en las maquiladoras mexicanas con la economía global. A continuación, se procederá a mostrar cómo y para quién este trabajo es realmente esencial, mientras que la precariedad sigue siendo la suerte de los trabajadores de ambos sectores. También se demostrará cómo, en tiempos de pandemia, esta precariedad se exacerba a nivel estructural y se refleja en el deterioro de  las condiciones de trabajo y de vida para todos. Este artículo invita, pues, a reconsiderar no el carácter esencial de los trabajadores de estos dos sectores y de muchos otros, sino el uso que se hace del propio término.
Incorporación del fármaco ketoprofeno en un gel de carboximetilcelulosa
Authors: Antonio Rocío , Purata Nora , Ramos Claudia , Sosa Noé
Published: September 2022

Esta investigación pretende aprovechar el bagazo de piña, con la finalidad de extraer la celulosa y procesarla hacia carboximetilcelulosa (CMC), para convertirla en un gel cuya aplicación estará enfocada a la liberación del ketoprofeno (KTP), el cual es un fármaco antiinflamatorio. La extracción de la celulosa se realizó con 1-octanol y NaOH, luego se obtuvó la carboximetilcelulosa con el monocloroacetato de sodio. Posteriormente, se sintetizó el gel, utilizando glutaraldehído como agente entrecruzante. La impregnación del fármaco fue mediante hinchamiento disolviendo el fármaco KTP en una solución de alcohol etílico-agua. La celulosa, la CMC y el gel de CMC con y sin fármaco fueron caracterizados por FTIR observándose los grupos funcionales característicos en cada material. El grado de sustitución (DS) de la CMC se determino por cromatografía líquida de alta resolución, presentando un DS=1. El xerogel y el gel con KTP fueron caracterizados mediante microscopia electrónica de barrido (SEM), y se muestra la morfología del material así como la impregnación del fármaco. Las temperaturas utilizadas en las pruebas de hinchamiento fueron: 35, 37 y 39°C con pH 6, 7 y 8. Durante las pruebas de hinchamiento, el gel que presentó mayor capacidad de absorción fue a 35°C y pH 6.
Aplicación de un sistema de reconocimiento de formas y colores en un robot humanoide
Authors: Gutierrez Karina , Aguilera Martha , Ortiz Simón , Arrambide Gael
Published: September 2022

In this days, the sensor system implemented in a robot is very important in his performance. It is required, a set of sensors that allow a robot to develop a more complex function interacting in dynamic form with his environment. In humanoid robot, the selection and programming of a sensor system are a key factor, because they need to have a quick response to situations that are presented. Otherwise, they can lose off balance in their movements or simply do not perform the task for the delay in their movements. This paper presents the application of a vision algorithm using a CMUCAM as a sensor for recognition of shapes and colors. The recognition system was implemented in a humanoid robot. The results show are fundamental to improve the control design of humanoid movements in non-structured environments.
Propuesta de una ficha de evaluación psicomotora de 0 a 5 años para el seguimiento al neurodesarrollo infantil
Authors: Ramírez Ivonne , Delgado Jaime , Maldonado Carolina , Pérez Lucía
Published: September 2022

Children in development matters and requires professional supervision with contextualized tools to make the assessment of psychomotor progress infant from its earliest days, which is often underestimated in controlling the growth and development of children in some of our health centers means. The present study concerns the problem of psychomotor evaluation in children from birth to five years of life, although the health system considers controlling the development of the infant, evaluations of psychomotor development are made with several instruments not validated in context where they are employed, but for studies in neighboring countries or synthesis of various instruments without previous scientific studies. The study shows that monitoring of the psychomotor development in our environment is not a priority for the control of child growth, though no doubt the control of immunizations, weight and height, can not be neglected; nor should detract from the timely detection of changes in motor development, sensory and psychomotor tracking capabilities of the infant during the first six years of life. This study culminated in the presentation of an instrument for measuring psychomotor development based on a validation in 1000 children under standard tools systematised criteria employed by the different health centers, public, private and central parts of the Program for Support of Children; supplemented according to current trends on proposing an alternative validated in the population identified, submitted in physical form and electronics.
Riesgos y consecuencias del aborto en adolescentes de la edad tardía de la Ciudad de Sucre- Bolivia
Authors: Barrios Gabriela , Ayaviri Lizet , Camata Lucero , Mamani Raúl , Trujillo Víctor
Published: September 2022

The investigation team has been studied the consciousness level from Sucre´s teenagers with the finally to know how sexual education are in these people. Is probally that they know the rescues and consecuences about abortion or they still with many questions about this subject. That is the reason for us to study, to analize the abortion consciousness methods that could be given. The investigation work has been studied in two schools: Roberto Alvarado (public highschool) and “El Porvenir” (private highschool. We did 21 questions about these lives, their families, teachers with the porpose to analize the consiousness level about abortion. The explain could be that economic and demographical factors could be the problem too. The differences in these school are very important for this investigation: The public school has not sexual education, but they have a good consciousness, that is the reason why they don´t practice abortion more than the private school, The private school has not a good consciousness, but they have sexual education. And that is the reason why they practice abortion more than the public school. Finally, our investigation explain that private school need more help about this topic, because they need consciousness, maturity with the life, their family, theirs problems and the most important thing: the life of another living creature.
La investigación transdisciplinaria como recurso para atender la reinserción de migrantes retornados. El caso ecuatoriano
Authors: Mena-Iturralde Lorena
Published: September 2022

The reintegration of returning migrants from developed societies voluntarily or forced situations such as economic crisis and the tightening of immigration laws in these contexts, has been the subject of academic analysis from different theoretical perspectives, depending on the objectives of each project investigation and disciplinary boundaries, in order to generate knowledge about the phenomenon and its impact on countries of origin. In this essay refers to the reintegration of returning migrants in the Ecuadorian context will, for which it is proposed that an interdisciplinary research approach may be useful, not only to enrich the knowledge on this issue through collaboration between different disciplines, but also to generate, with the participation of those affected, care policies more in line with their expectations and realities.
Diseño de un convertidor de potencia eléctrico para obtener menos pérdidas de energía
Authors: Austria León , Noriega Raymundo , Canales Benito , Ruiz Luis
Published: September 2022

In this paper is proposed and is awareness of the importance in the effective design of the topology of the converter as the selection of the best switching frequency and the calculation of power loss of electronic components that they intend to raise the efficiency of it, whereupon it will become greater autonomy for electric vehicle product of the reduction of the weight and size of the module of power that will feed system of traction. An introduction is given to the State of the art and theoretical framework in the first part on research on electric vehicles. Development describes the best topologies for power converters, important aspects for the selection of the best switching frequency and finally calculate the losses of power for electronic components and propose the suitable for a system power switching in particular.
Research on success stories of family businesses and proposal of a CANVAS business model
Authors: Serrano Ma. Guadalupe , Quezada-Flores Ma. De La Luz , Márquez-De Anda Camilo , Lipiec Jacek
Published: September 2022

Today the family business occupies a very important place in the economy of each country to generate the most jobs and contributing to gross domestic product in a very high percentage. The objective of this research is to present relevant information of successful companies that have prevailed for over 1400 years and passed from generation to generation with unique businesses and chaos and power struggles between family, and a proposal of methods and models of business. The results show the oldest family businesses with the world and its orders, competitive advantages and business secrets. Evidence of the family chaos are presented. CANVAS business model supported with the book of Alexander & Pigneur, it has been adopted by incubators Mexico, includes every part of a business plan focuses on infrasctructure, supply, customer and economic model.
Establishment of Homegardens in the State of Aguascalientes
Authors: López-López Ana , Acosta-Zamarripa Ana , Zarzosa-Vega Ricardo , Domínguez-López René
Published: September 2022

The state of Aguascalientes is made up of 11 municipalities, in 9 of them home gardens follows settled: Aguascalientes with 26 orchards, the town of seats with 15, Calvillo was benefited 9 gardens, sewed with a total of 26 gardens, The flat 8 orchards, the town of Jesus Maria 16, Rincon de Romos with 10 orchards, San Francisco de los Romo 13 orchards and finally Tepezalá municipality with 18 orchards. Giving a total of 140 orchards. Which they were planted to the following crops, cilantro, radishes, beets, onions, broccoli, cauliflower, cabbage, lettuce, red tomatoes, tomato shell, serrano and jalapeno pepper, watermelon, melon, cucumber, chard and spinach In the second stage It is being established vermicompost bed for organic fertilization of the same. So far the results have been favorable since 90% of orchards have been adopted and cared for by the beneficiaries, the rest have been relocated to other communities in the different municipalities of the state of Aguascalientes.
Experimental and numerical studies of deformation of truncated-cone-shaped poly(L-lactic acid) microneedle during insertion
Authors: Kanda Yukihiro , Takehara Hiroaki , Ichiki Takanori
Published: September 2022

To explore minimally invasive and hypodermic access for in-body sensing, polymer microneedles of 2 mm in length have been studied. Sharper tips are desirable to reduce pain, however, the mechanical strength of such tips is low. To design polymer microneedles that do not plastically deform, the deformation behavior of poly(L-lactic acid) microneedles with different tip diameters was investigated by simulation and experiment. It was found that the plastic deformation of the tip may increase the insertion force. The minimum insertion force was approximately 200 mN for microneedles with a tip diameter of 80 μm, which were inserted without plastic deformation.
Peningkatan Kinerja Karyawan melalui Penempatan dan Motivasi pada PT. Multi Kimia Inti Pelangi
Authors: Saing Bungaran , Hidayat Wastam Wahyu
Published: September 2022

Penelitian ini bertujuan untuk mengetahui pengaruh penempatan dan motivasi terhadap kinerja karyawan PT. Multi Kimia Inti Pelangi yang dilakukan pada karyawan perusahaan dengan melibatkan sampel sebanyak 40 orang. Analisis digunakan bantuan program SPSS versi 23.0 menggunakan analisis regresi linier berganda. Berdasarkan pengujian data, maka diperoleh hasil bahwa variabel Penempatan dan Motivasi berpengaruh secara parsial maupun secara simultan terhadap Kinerja pegawai PT. Multi Kimia Inti Pelangi. Dengan nilai F hitung variabel Penempatan terhadap Kinerja yaitu 74,772 dengan tingkat signifikan 0,000. Dan besarnya pengaruh variabel penempatan terhadap kinerja pegawai dapat dihitung dengan menggunakan r2 yaitu 66,3%. Sedangkan nilai F hitung variabel Motivasi terhadap Kinerja adalah 92,088 dengan tingkat signifikan 0,000. Dan nilai F hitung Variabel Penempatan dan Motivasi terhadap Kinerja didapat sebesar 87,036. Dengan pengaruh secara simultan antara Penempatan dan Motivasi terhadap Kinerja yaitu 82,5%.