Widow Jatha o la organización de viudas después de los pogromos de 1984 en India

Using a mainly ethnographic methodology, this paper discusses why the voice of women and their agency is still scarce in the history of India and especially in Sikh history. It then describes the 1984 Delhi pogroms as voiced by these women. The text analyzes the complex ways in which widows open spaces for decision making, advocacy, activism, and organization. Violence destroyed the world as they knew it, but it opened up other possibilities, such as the ability to move from the private to the public sphere, work for the first time, and decide on their marital status. They also formed leaderships and consolidated a political movement.En el presente trabajo se discute, a través de metodología etnográfica en primer lugar, sobre porqué sigue siendo escasa la voz de las mujeres y su agencia (agency) en la historia de India, y en especial en la historia sikh. En segundo lugar, se describen los pogromos de 1984 en Delhi desde las voces de las mujeres. Finalmente, se analizan las formas complejas en que las viudas se abren espacios de decisión, injerencia, activismo y organización. La violencia destruyó el mundo como lo conocían, pero abrió otras posibilidades, como la capacidad de salir del ámbito privado al público, de trabajar y de decidir sobre su estado civil. También se formaron liderazgos y consolidaron un movimiento político

Las políticas del retorno y el discurso político sobre el exilio en la democracia argentina : encuentros y desencuentros del nos-otros

La migración política, a la que se suele identificar con el término exilio, cobra protagonismo como campo de estudio en Argentina a partir de los exiliados de la última dictadura militar. La democracia movilizó el retorno; pero también la decisión de permanecer en el país de destino. Los que retornaron se convirtieron en repatriados; los que se quedaron en la sociedad de refugio, en migrantes. En estas idas y venidas, la repatriación fue consecuencia de una serie de medidas tanto del Estado argentino como de organismos internacionales. El retorno de los exiliados visibilizó un espacio narrativo de encuentros y desencuentros sobre el exilio, generado por un discurso político en pro de políticas de reparación y apoyo para el retorno frente a representaciones maniqueas que dividían a las víctimas de la última dictadura militar en dos grupos: “los que se fueron" y “los que se quedaron". Esta fricción interna ha hecho que el discurso político se mueva de un modo ambiguo a la hora de llevar a la agenda del debate democrático el reconocimiento de los exiliados como víctimas de los violentos sucesos acaecidos en nuestro país durante la década de 1970 hasta la caída de la dictadura militar. Se entiende que el exilio y el retorno son fenómenos sociales que entrelazan sentidos colectivos e individuales en una pluralidad de experiencias y de identidades políticas que involucran a los exiliados y a sus hijos/as. Nuestro objetivo en este trabajo, de carácter exploratorio, es incursionar en proyectos concretos y en las diferencias políticas que propiciaron o no el retorno y que nos obligan a repensar el lugar de los exiliados y de sus hijos/as en la Argentina. Nos interesa realizar un rastreo histórico que permita descubrir la dimensión política y el impacto del exilio-retorno desde el regreso de democracia hasta la actualidad.Fil: García Vázquez, Cristina B.. Universidad Nacional del ComahueFil: Camino Vela, Francisco. Universidad Nacional del ComahueFil: Schierloh, Melina. Universidad Nacional del Comahu

La revolución digital y la sociedad de la información

Index de les obres ressenyades: Guiomar SALVAT MARTINREY; Vicente SERRANO MARÍN, La revolución digital y la sociedad de la información. Zamora: Comunicación Social Ediciones y Publicaciones, 201

Diseño de un adoquín de concreto con ceniza de coronta de maíz amarillo para mejorar su resistencia a la compresión, Tarapoto-2021

La presente investigación titulada “Diseño de un adoquín de concreto con ceniza de coronta de maíz amarillo para mejorar su resistencia a la compresión, Tarapoto- 2021” tiene como objetivo general determinar si es posible mejorar la resistencia a compresión del adoquín de concreto simple aplicando ceniza de coronta de maíz amarillo como adición al cemento, esta investigación es experimental porque se manipula la variable independiente y se analiza cómo afecta a la variable dependiente. El tipo de investigación es cuantitativo experimental correlacional. La muestra es 36 moldes de adoquines de dimensiones 20cm x 10cm x 8 cm considerando 3 moldes por cada diseño (0%, 1.5%, 3.5%, 5.5%); se utilizaron técnicas e instrumentos para recolección de datos; el procedimiento fue desarrollado por etapas de gabinete para la sistematización de información, como de campo realizando ensayos en laboratorio. Como resultado, después de la prueba de compresión de los adoquines con respectivos días de curado (7, 14, 28 días), se obtuvo que el adoquín con adición de 1.5 % de ceniza de coronta de maíz amarillo es el que optimiza mejor su resistencia a compresión. En conclusión, con adición de 1.5% de ceniza de coronta de maíz amarillo se aumentará la resistencia a compresión

A detailed experimental and theoretical study of the femtosecond A -band photodissociation of C H3I

The real time photodissociation dynamics of C H3I from the A band has been studied experimentally and theoretically. Femtosecond pump-probe experiments in combination with velocity map imaging have been carried out to measure the reaction times (clocking) of the different (nonadiabatic) channels of this photodissociation reaction yielding ground and spin-orbit excited states of the I fragment and vibrationless and vibrationally excited (symmetric stretch and umbrella modes) C H3 fragments. The measured reaction times have been rationalized by means of a wave packet calculation on the available ab initio potential energy surfaces for the system using a reduced dimensionality model. A 40 fs delay time has been found experimentally between the channels yielding vibrationless CH3(ν=0) and I(2P3/2) and I*(2P1/2) that is well reproduced by the calculations. However, the observed reduction in delay time between the I and I* channels when the C H3 fragment appears with one or two quanta of vibrational excitation in the umbrella mode is not well accounted for by the theoretical model. © 2008 American Institute of Physics.This work has been financed by the Spanish MEC through Grant Nos. CTQ2005-08493-C02-01, FIS-2007- 62002, and Consolider program “Science and Applications of Ultrafast Ultraintense Lasers” No. CSD2007-00013.Peer Reviewe

Elaboración de videos educativos para el segundo bloque del currículo de Lengua y Literatura del 10mo de EGB Superior

La disponibilidad permanente de información en plataformas como Wikipedia o Youtube; o el uso constante de diversos dispositivos ha puesto en cuestión la metodología y estrategias que tradicionalmente se usan en el aula. Actualmente, nos enfrentamos a un escenario que exige la innovación educativa como nunca antes; diversos estudios han demostrado que el uso de herramientas didácticas multimedia beneficia considerablemente la construcción de aprendizajes significativos. Es por esto que integrar material didáctico audiovisual al currículo, más que una novedad, es ahora una necesidad que, en el caso de Latinoamérica y sobre todo Ecuador, permanece insatisfecha. En este contexto, este proyecto de titulación consiste en la creación de tres videos educativos sobre la Novela Policial, diseñados acorde a los preceptos y objetivos de la actualización curricular nacional de Lengua y Literatura de décimo de EGB.The permanent availability of information on platforms such as Wikipedia or YouTube; or the constant use of various gadgets has called into question the methodology and strategies that were traditionally used in the classroom. Today, we face a scenario that demands educational innovation like never before. Several studies have demonstrated that the use of multimedia teaching aids benefits the development of significant learning. This is why the curricular integration of audiovisual teaching aids, more than a novelty, is now a necessity that —in the case of Latin America and especially Ecuador— remains unsatisfied. In this context, this graduation project created three educational videos designed according to the precepts and goals of the curricular update of Language and Literature for the tenth grade.Licenciada en Ciencias de la Educación en Lengua, Literatura y Lenguajes AudiovisualesCuenc

Triacylglyceride, antioxidant and antimicrobial features of virgin Camellia oleifera, C. reticulata and C. sasanqua oils

Virgin oils obtained from seeds of Camellia oleifera (CO), Camellia reticulata (CR) and Camellia sasanqua (CS) were studied for their triacylglyceride composition, antioxidant and antimicrobial activities. Levels of fatty acids determined by 1H-nuclear magnetic resonance analysis were similar to those reported for olive oils (82.30%–84.47%; 5.69%–7.78%; 0.26%–0.41% and 8.04%–11.2%, for oleic, linoleic, linolenic and saturated acids, respectively). The CR oil showed the best antioxidant potential in the three in vitro models tested. With regard to EC50 values (µg/mL), the order in DPPH radical-scavenging was CR (33.48) < CO (35.20) < CS (54.87). Effectiveness in reducing power was CR (2.81) < CO (3.09) < CS (5.32). IC50 for LPO inhibition were 0.37, 0.52 and 0.75 µg/mL for CR, CO and CS, respectively. All the oils showed antimicrobial activity, and exhibited different selectivity and MICs for each microorganism tested (E. coli, B. cereus and C. albicans). B. cereus was the less sensitive species (MIC: 52.083 ± 18.042 for CO; 41.667 ± 18.042 for CR; 104.167 ± 36.084 for CS mg/mL) and the E. coli was the most sensitive to camellia oil’s effect. The standard gentamicin presented higher MIC for E. coli (4.2) than the CR (MIC= 2.6) and CO (MIC = 3.9) oilsXUNTA DE GALICIA for financial support: Grants INCITE09 262346PR and PGIDIT06RAG26103PR. X.F. would also like to thank the Xunta de Galicia (Isidro Parga Pondal Program for young researchers, Grant No. IPP-020)S

Effects of hydroxytyrosol dose on the redox status of exercised rats: the role of hydroxytyrosol in exercise performance

Background: Hydroxytyrosol (HT) is a polyphenol found in olive oil that is known for its antioxidant effects. Here, we aimed to describe the effects of a low and high HT dose on the physical running capacity and redox state in both sedentary and exercised rats. Methods: Male Wistar rats were allocated into 6 groups: sedentary (SED; n = 10); SED consuming 20 mg/kg/d HT (SED20; n = 7); SED consuming 300 mg/kg/d HT (SED300; n = 7); exercised (EXE; n = 10); EXE consuming 20 mg/kg/d HT (EXE20; n = 10) and EXE consuming 300 mg/kg/d HT (EXE300; n = 10). All the interventions lasted 10 weeks; the maximal running velocity was assessed throughout the study, whereas daily physical work was monitored during each training session. At the end of the study, the rats were sacrificed by bleeding. Hemoglobin (HGB) and hematocrit (HCT) were measured in the terminal blood sample. Moreover, plasma hydroperoxide (HPx) concentrations were quantified as markers of lipid peroxidation. Results: In sedentary rats, HT induced an antioxidant effect in a dose-dependent manner without implications on running performance. However, if combined with exercise, the 300 mg/kg/d HT dosage exhibited a pro-oxidant effect in the EXE300 group compared with the EXE and EXE20 groups. The EXE20 rats showed a reduction in daily physical work and a lower maximal velocity than the EXE and EXE300 rats. The higher physical capacity exhibited by the EXE300 group was achieved despite the EXE300 rats expressing lower HGB levels and a lower HCT than the EXE20 rats. Conclusions: Our results suggest that a high HT dose induces a systemic pro-oxidant effect and may prevent the loss of performance that was observed with the low HT dose.This study was supported by the grant #3650 managed by Fundación General Empresa-Universidad de Granada, and by the investigation group CTS-454 “Impacto fisiológico del estrés oxidativo, deporte, actividad física y salud

Triacylglyceride, antioxidant and antimicrobial features of virgin camellia oleifera, C. reticulata and C. sasanqua oils

Virgin oils obtained from seeds of Camellia oleifera (CO), Camellia reticulata (CR) and Camellia sasanqua (CS) were studied for their triacylglyceride composition, antioxidant and antimicrobial activities. Levels of fatty acids determined by 1H-nuclear magnetic resonance analysis were similar to those reported for olive oils (82.30%–84.47%; 5.69%–7.78%; 0.26%–0.41% and 8.04%–11.2%, for oleic, linoleic, linolenic and saturated acids, respectively). The CR oil showed the best antioxidant potential in the three in vitro models tested. With regard to EC50 values (μg/mL), the order in DPPH radical-scavenging was CR (33.48) < CO (35.20) < CS (54.87). Effectiveness in reducing power was CR (2.81) < CO (3.09) < CS (5.32). IC50 for LPO inhibition were 0.37, 0.52 and 0.75 μg/mL for CR, CO and CS, respectively. All the oils showed antimicrobial activity, and exhibited different selectivity and MICs for each microorganism tested (E. coli, B. cereus and C. albicans). B. cereus was the less sensitive species (MIC: 52.083 ± 18.042 for CO; 41.667 ± 18.042 for CR; 104.167 ± 36.084 for CS mg/mL) and the E. coli was the most sensitive to camellia oil’s effect. The standard gentamicin presented higher MIC for E. coli (4.2) than the CR (MIC= 2.6) and CO (MIC = 3.9) oils

Antimicrobial properties of Camellia oleifera oil

Camellias have been used in oriental ethnomedicine and appear very promising for pharmaceutical exploitation since modern science has made it possible to specify their potential medical significance with antimicrobial, antioxidant, antiallergic, antiviral and skin healing properties. In the present study oil obtained from seeds of Camellia oleifera was studied for its antimicrobial activity using clinically isolated bacterial and yeast strains. The oil evidenced antimicrobial activity, and showed different selectivity and MICs for each microorganism tested. Obtained results indicate that the tested oil acted best in relation to Gram (-) bacteria than Gram (+). The data obtained in the in vitro models clearly establish its antimicrobial potency.XUNTA DE GALICIA for financial support: Grants INCITE09 262346PR and PGIDIT06RAG26103PR. X.F. would also like to thank the Xunta de Galicia (Isidro Parga Pondal Program for young researchers, Grant No. IPP-020