Delegación Valles Sanjuaninos de la UNSJ : caracterización de sus procesos formativos en relación a la heterogeneidad sociocultural de sus alumnos

Este trabajo expone algunos avances del proyecto de investigación “Analizando trayectorias de la UNSJ: un estudio sobre su expansión en los Valles sanjuaninos", que se desarrolla en el período 2016-2017, en el marco de CICITCA (UNSJ), y que tiene como objetivo general “explorar el proceso de expansión de la Universidad Nacional de San Juan, en los valles sanjuaninos, caracterizando la especificidad de sus procesos formativos". Se analiza, en particular, el proceso de constitución de la nueva Unidad Académica creada en el año 2014 y conformada por los departamentos de Jáchal, Iglesia, Valle Fértil y Calingasta de la provincia de San Juan. La institucionalización de la Delegación, por representar una experiencia inédita en nuestra Universidad involucra una serie de rupturas respecto al modo histórico con el que se “hacía la UNSJ". Las dimensiones que se consideran para su estudio son: la oferta académica desplegada, su diversificación y los modos en que cristalizan los trayectos formativos de los estudiantes, las prácticas docentes, los procesos administrativos y los soportes normativos que los sostienen. Esta ponencia presenta un recorte del estudio que refiere al objetivo específico de reconocer las singularidades de los proceso formativos a partir de la heterogeneidad sociocultural de los alumnos matriculados en la Delegación. En tal sentido, se pone a consideración las primeras lecturas que emergen de los distintos relevamientos implementados en el proceso de recolección y análisis de datos, orientados centralmente, a producir conocimiento sobre la situación socioeconómica y educativa de los estudiantes que cursan las carreras dictadas en las sedes de la delegación, los motivos y expectativas respecto a la oferta ofrecida/elegida, y los modos de relacionarse con los andamiajes institucionales y normativos que sostienen a la Delegación Valles Sanjuaninos. Analizando asimismo, la mirada que los estudiantes poseen sobre la formación académica que están recibiendo.Fil: Dacuña, Roberto . Universidad Nacional de San JuanFil: Montañez, Silvia S. . Universidad Nacional de San JuanFil: Luccato, María A. . Universidad Nacional de San JuanFil: Aballay, Vanesa . Universidad Nacional de San Jua

Interpreter Chart Diagram N-S

The team of researchers develops and implements technological resources focused on a methodological strategy that supports its use. Our investigation deals with the analysis beginner students’ competences attending the Analisis de Sistema career at the UNSa, in order to solve different computing problems such as the analysis of the design if the diagram N-S and the desktop test. This work describes the process undertaken by the educational software design called Diagramar. Its development and the searching activity are related to the adopted methodologies: the Extreme Programming and Investigation-Action. The pedagogical importance of Diagramar lies on finding an answer to students and teachers’ needs, providing a technological resource developed to fit these needs. It is mainly focused on the elaboration of the N-S diagrams. There are not many texts that provide an specification of algorithm and translate a methodological strategy able to support the staff of teachers from a continual investigation on its own practice.Presentado en el VIII Workshop Tecnología Informática aplicada en Educación (WTIAE)Red de Universidades con Carreras en Informática (RedUNCI

Linear algebra and optimization based controller design for trajectory tracking of typical chemical process

This paper presents a new controller design to tracking trajectory of a typical chemical process. The plant model is represented by numerical methods and, from this approach, the control actions for an optimal operation of the system are obtained. Its main advantage is that the condition for the tracking error tends to zero and the calculation of control actions, are obtained solving a system of linear equations. The proofs of convergence to zero of the tracking error are presented. Simulation results show the good performance of the proposed control system.Fil: Serrano, Mario Emanuel. Universidad Nacional de San Juan. Facultad de Ingenieria. Instituto de Ingenieria Quimica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Scaglia, Gustavo Juan Eduardo. Universidad Nacional de San Juan. Facultad de Ingenieria. Instituto de Ingenieria Quimica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Aballay, P.. Universidad Nacional de San Juan. Facultad de Ingenieria. Instituto de Ingenieria Quimica; ArgentinaFil: Ortiz, O. A.. Universidad Nacional de San Juan. Facultad de Ingenieria. Instituto de Ingenieria Quimica; ArgentinaFil: Mut, Vicente Antonio. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico San Juan. Instituto de Automática; Argentin

A bright impulsive solar burst detected at 30 THz

Ground- and space-based observations of solar flares from radio wavelengths to gamma-rays have produced considerable insights but raised several unsolved controversies. The last unexplored wavelength frontier for solar flares is in the range of submillimeter and infrared wavelengths. Here we report the detection of an intense impulsive burst at 30 THz using a new imaging system. The 30 THz emission exhibited remarkable time coincidence with peaks observed at microwave, mm/submm, visible, EUV and hard X-ray wavelengths. The emission location coincides with a very weak white-light feature, and is consistent with heating below the temperature minimum in the atmosphere. However, there are problems in attributing the heating to accelerated electrons. The peak 30 THz flux is several times larger than the usual microwave peak near 9 GHz, attributed to non-thermal electrons in the corona. The 30 THz emission could be consistent with an optically thick spectrum increasing from low to high frequencies. It might be part of the same spectral component found at sub-THz frequencies whose nature remains mysterious. Further observations at these wavelengths will provide a new window for flare studies.Comment: 9 pages, 11 figures, accepted by Astrophysical Journal, March 23, 201

Automation of CASLEO's Cassegrain spectrograph

The CASLEO's Cassegrain spectrograph will be made fully automatically. From the control room the equipment will allow a remote and automatic operation. The Offset Guider will be included in the automation too. The user will be able to operate the instrument from a keyboard and a display or from a PC/XT computer. This article describes the electronics of the equipment.Asociación Argentina de Astronomí

A new automatic photopolarimeter for CASLEO: electronics of instrument

A new photopolarimeter is under construction in CASLEO. The instrument will be operated automatically by a PC/XT computer from the control room. The computer configures the instrument as photometer or polarimeter and controls the data acquisition and movements of the several mechanism of the equipment. A description and the theory of operation of the electronics of the instrument is presented. The hardwared and the control software of the instrument are described in this article.Asociación Argentina de Astronomí

Phenotypic covariance of longevity, immunity and stress resistance in the Caenorhabditis nematodes

Background \ud Ageing, immunity and stresstolerance are inherent characteristics of all organisms. In animals, these traits are regulated, at least in part, by forkhead transcription factors in response to upstream signals from the Insulin/Insulin– like growth factor signalling (IIS) pathway. In the nematode Caenorhabditis elegans, these phenotypes are molecularly linked such that activation of the forkhead transcription factor DAF-16 both extends lifespan and simultaneously increases immunity and stress resistance. It is known that lifespan varies significantly among the Caenorhabditis species but, although DAF-16 signalling is highly conserved, it is unclear whether this phenotypic linkage occurs in other species. Here we investigate this phenotypic covariance by comparing longevity, stress resistance and immunity in four \ud Caenorhabditis species. \ud \ud Methodology/Principal Findings \ud We show using phenotypic analysis of DAF-16 influenced phenotypes that among four closely related Caenorhabditis nematodes, the gonochoristic species (Caenorhabditis remanei and Caenorhabditis brenneri) have diverged \ud significantly with a longer lifespan, improved stress resistance and higher immunity than the hermaphroditic species (C. elegans and Caenorhabditis briggsae). Interestingly, we also observe significant differences in expression levels between the daf-16 homologues in these species using Real-Time PCR, which positively correlate with the observed phenotypes. Finally, we provide additional evidence in support of a role for DAF-16 in regulating phenotypic coupling by using a combination of wildtype isolates, constitutively active daf-16 mutants and bioinformatic analysis. \ud \ud Conclusions \ud The gonochoristic species display a significantly longer lifespan (p < 0.0001)and more robust immune and stress response (p<0.0001, thermal stress; p<0.01, heavy metal stress; p<0.0001, pathogenic stress) than the hermaphroditic species. Our data suggests that divergence in DAF-16 mediated phenotypes may underlie many of the differences observed between these four species of Caenorhabditis nematodes. These findings are further supported by the correlative higher daf-16 expression levels among the gonochoristic species and significantly higher lifespan, immunity and stress tolerance in the constitutively active daf-16 hermaphroditic mutants

Phenotypic covariance of Longevity, Immunity and Stress Resistance in the Caenorhabditis Nematodes

Background: Ageing, immunity and stresstolerance are inherent characteristics of all organisms. In animals, these traits are regulated, at least in part, by forkhead transcription factors in response to upstream signals from the Insulin/Insulin–like growth factor signalling (IIS) pathway. In the nematode Caenorhabditis elegans, these phenotypes are molecularly linked such that activation of the forkhead transcription factor DAF-16 both extends lifespan and simultaneously increases immunity and stress resistance. It is known that lifespan varies significantly among the Caenorhabditis species but, although DAF-16 signalling is highly conserved, it is unclear whether this phenotypic linkage occurs in other species. Here we investigate this phenotypic covariance by comparing longevity, stress resistance and immunity in four Caenorhabditis species. \ud \ud Methodology/Principal Findings: We show using phenotypic analysis of DAF-16 influenced phenotypes that among four closely related Caenorhabditis nematodes, the gonochoristic species (Caenorhabditis remanei and Caenorhabditis brenneri) have diverged significantly with a longer lifespan, improved stress resistance and higher immunity than the hermaphroditic species (C. elegans and Caenorhabditis briggsae). Interestingly, we also observe significant differences in expression levels between the daf-16 homologues in these species using Real-Time PCR, which positively correlate with the observed phenotypes. Finally, we provide additional evidence in support of a role for DAF-16 in regulating phenotypic coupling by using a combination of wildtype isolates, constitutively active daf-16 mutants and bioinformatic analysis. \ud \ud Conclusions: The gonochoristic species display a significantly longer lifespan (p<0.0001) and more robust immune and stress response (p<0.0001, thermal stress; p<0.01, heavy metal stress; p<0.0001, pathogenic stress) than the hermaphroditic species. Our data suggests that divergence in DAF-16 mediated phenotypes may underlie many of the differences observed between these four species of Caenorhabditis nematodes. These findings are further supported by the correlative higher daf-16 expression levels among the gonochoristic species and significantly higher lifespan, immunity and stress tolerance in the constitutively active daf-16 hermaphroditic mutants

Experimentos controlados y educación en ingeniería de software

Mediante los métodos empíricos es posible evaluar nuevos aportes de la Ingeniería de Software antes de ser incorporados en los procesos de desarrollo de software de las empresas. Resulta favorable que la educación superior aplique métodos empíricos en el proceso de enseñanza y formación de los estudiantes. Este artículo presenta el resultado de un análisis, desde la perspectiva educativa, de cuatro experimentos controlados realizados por profesores de la Universidad Nacional de San Juan en asignaturas de Ingeniería de Software pertenecientes a los últimos años de las carreras de Informática de dicha universidad. La utilización de experimentos controlados es una interesante forma de hacer converger las actividades y metas de la docencia con las propias de la investigación, un objetivo siempre buscado en la academia. Es una forma de reunir en una misma actividad ambos roles del profesor, docente e investigador.Red de Universidades con Carreras en Informática (RedUNCI

High-Throughput Isolation and Mapping of C. elegans Mutants Susceptible to Pathogen Infection

We present a novel strategy that uses high-throughput methods of isolating and mapping C. elegans mutants susceptible to pathogen infection. We show that C. elegans mutants that exhibit an enhanced pathogen accumulation (epa) phenotype can be rapidly identified and isolated using a sorting system that allows automation of the analysis, sorting, and dispensing of C. elegans by measuring fluorescent bacteria inside the animals. Furthermore, we validate the use of Amplifluor® as a new single nucleotide polymorphism (SNP) mapping technique in C. elegans. We show that a set of 9 SNPs allows the linkage of C. elegans mutants to a 5–8 megabase sub-chromosomal region