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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Natalia Tamara Quiroz;

    Este artículo aborda los usos que hacen las y los jóvenes de la aplicación móvil y red social de videos TikTok. Durante el aislamiento causado por la pandemia de COVID-19 se convirtió en la app más descargada y usada. A diferencia de Instagram, TikTok pone en acción a la juventud porque participan activamente de las tendencias que incluyen challenges de baile, actuaciones, tutoriales, entre otros. En esta plataforma coexisten distintos tipos de entretenimiento; sin embargo, su algoritmo secreto pone en duda si visibiliza en mayor medida a jóvenes que cumplen con ciertos estereotipos de belleza.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Revista Argentina de...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Revista Argentina de Estudios de Juventud
    Article
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Revista Argentina de...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Revista Argentina de Estudios de Juventud
      Article
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Ezequiel Ridruejo; Alejandro Soza;

    The ongoing pandemic of coronavirus disease 2019 (COVID-19) pandemic poses a serious threat to healthcare systems globally. Information regarding how the infection affects the liver and relevance of pre-existing liver disease as a risk factor for acquiring the infection or having a severe disease are still scarce. Also, considerations in liver transplant patients, those having hepatocellular carcinoma or under immunosuppressive therapy are being matter of analysis as information is being generated. Different treatments for COVID-19 are currently under study, some of which may be associated to hepatotoxicity. In the present review we discuss current data on the COVID-19 and liver, aiming to provide hepatologists with updated information to face this pandemic. Fil: Ridruejo, Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. CEMIC-CONICET. Centro de Educaciones Médicas e Investigaciones Clínicas "Norberto Quirno". CEMIC-CONICET; Argentina. Universidad Austral. Hospital Universitario Austral; Argentina Fil: Soza, Alejandro. Pontificia Universidad Católica de Chile; Chile

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Annals of Hepatologyarrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Annals of Hepatology
    Article . 2020
    Data sources: DOAJ-Articles
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Europe PubMed Central
    Article . 2020
    Data sources: PubMed Central
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Annals of Hepatologyarrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Annals of Hepatology
      Article . 2020
      Data sources: DOAJ-Articles
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Europe PubMed Central
      Article . 2020
      Data sources: PubMed Central
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Schilardi, Patricia Laura; Pissinis, Diego Ezequiel;

    El objetivo general de este trabajo es contribuir a la prevención de la NAV por medio de la funcionalización de las superficies interna y externa del tubo endotraqueal empleado en la ventilación mecánica. La modificación se realiza mediante el depósito de una delgada película de hidrogeles biocompatibles y biodegradables cargados con agentes antimicrobianos convencionales (antibióticos) y no convencionales (nanopartículas de plata, AgNPs) para combatir la formación de los biofilms bacterianos que generan la NAV. Los hidrogeles proporcionan control espacial y temporal sobre la liberación de los agentes terapéuticos debido a su degradabilidad controlable y capacidad para proteger a los medicamentos lábiles, permitiendo, además, alcanzar concentraciones locales superiores a las obtenidas por administración sistémica. Para alcanzar los objetivos, se ha optimizado la síntesis de un hidrogel en base a polietilenglicol capaz de adherirse fuertemente a la superficie de cloruro de polivinilo del tubo endotraqueal. Se logró recubrir la superficie del tubo con el hidrogel, comprobándose una buena estabilidad mecánica tanto para el hidrogel deshidratado como para el mismo hidratado. Se analizaron diferentes rutas de incorporación de los agentes antimicrobianos, encontrándose que la más adecuada es el agregado de éstos al polímero precursor del hidrogel. Los hidrogeles modificados con AgNPs presentan características de adhesión y estabilidad similares a las de los hidrogeles sin modificar. Al momento de escribir este trabajo se están llevando cabo los experimentos tendientes a determinar la capacidad antimicrobiana de las superficies modificadas. The general objective of this work is to contribute to the prevention of VAP through the functionalization of the internal and external surfaces of the endotracheal tube used in mechanical ventilation. The modification is carried out by depositing a thin film of biocompatible and biodegradable hydrogels loaded with antibiotics and non-conventional antimicrobial agents (silver nanoparticles, AgNPs) to inhibit the formation of bacterial biofilms generating NAV. Hydrogels provide spatial and temporal control over the release of therapeutic agents due to their controllable degradability and ability to protect labile drugs. In addition, higher antibiotic local concentration than those obtained by systemic administration can be reached. To achieve these objectives, the synthesis of a hydrogel based on polyethylene glycol which is capable of strongly adhere to the polyvinyl chloride surface of the endotracheal tube has been optimized. It was possible to cover the surface of the tube with the hydrogel, which showed good mechanical stability for both the dehydrated hydrogel and the hydrated one. Different routes of incorporation of antimicrobial agents were investigated, finding that the most suitable is the addition of these agents to the precursor polymer of the hydrogel. Hydrogels loaded with AgNPs have similar adhesion and stability to the unloaded hydrogels. Experiments are being carried out to determine the antimicrobial capacity of these modified surfaces. Este desarrollo es financiado mediante el Programa de Articulación y Fortalecimiento Federal de las Capacidades en Ciencia y Tecnología COVID-19, Ministerio de Ciencia, Tecnología e Innovación, Argentina (2020). Secretaría de Ciencia y Técnica

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Servicio de Difusión...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Servicio de Difusión...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Lunghi, Carlos Guillermo;

    La problemática del abandono de los alumnos en la universidad argentina es un tema prioritario en la educación superior. ¿Por qué abandonan? es un interrogante, a la cual toda la comunidad educativa intenta continuamente encontrar una respuesta y su posible solución. La realidad, presenta una población estudiantil, crecientemente heterogénea en su formación sociocultural, en su composición sociodemográfica, sexo, edad, siendo un desafío avanzar hacia la equidad y la calidad en un contexto socioeconómico de creciente desigualdad, educación, pobreza y crecimiento, todos estos indivisiblemente ligados. El presente trabajo se orienta al estudio de las posibles causas de deserción de los alumnos, en las distintas carreras de grado que se dictan en la FCE - Facultad de Ciencias Económicas de la UNLP - Universidad Nacional de La Plata, durante el periodo 2019 ~ 2021, situación que se viera incrementada a partir de marzo de 2020, por motivos de la Pandemia de Covid-19, y las consiguientes medidas de cuidado adoptadas e impuestas a la ciudanía, tales como cuarentena, suspensión del dictado de clases presenciales y su necesaria y posterior utilización de educación virtual, por nombrar en esta instancia tan solo algunas, las cuales impactaron profundamente no solo en un cambio total del paradigma, respecto a la forma de enseñanza del proceso educación/aprendizaje, sino tan bien aumentando exponencialmente el problema de deserción, ya existente por otras causas. Facultad de Ciencias Económicas

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Servicio de Difusión...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Servicio de Difusión...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Javier Mariani; Virna Margarita Marín Giménez; Ivana Bergam; Carlos D. Tajer; +4 Authors

    Each patient´s immune defenses play a major role in mitigating the impact (ie, morbidity and mortality) of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus responsible for coronavirus disease 2019 (COVID-19). Vitamin D is an important modulator of the immune system. Although serum 25-hydroxyvitamin D levels can be raised through diet or supplements, most vitamin D in the body is the result of dermal synthesis from ultraviolet radiation. The production of vitamin D in the skin, however, can be limited by latitude, skin-covering clothes, the use of sunblock, and skin pigmentation. Vitamin D deficiency affects a high percentage of the world population. Serum 25-hydroxyvitamin D levels are suboptimal, not only in specific risk groups but also in adults from many countries. Low vitamin D levels, therefore, represent a risk factor for several different pathologies, including SAR-CoV-2. This study used an ecological design to assess the association between vitamin D deficiency and COVID-19 incidence, complications, and mortality across 46 countries. All data were obtained from published sources. The results of the study suggest an association at the population level between the prevalence of vitamin D deficiency and the risk of being infected with COVID-19, severity of the disease, and risk of dying from it. Fil: Mariani, Javier. Provincia de Buenos Aires. Ministerio de Salud. Hospital Alta Complejidad en Red El Cruce Dr. Néstor Carlos Kirchner Samic; Argentina Fil: Martín Giménez, Virna Margarita. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Catolica de Cuyo. Facultad de Ciencias Quimicas y Tecnologicas; Argentina Fil: Bergam, Ivana. Croatia Osiguranje Pension Company; Croacia Fil: Tajer, Carlos Daniel. Provincia de Buenos Aires. Ministerio de Salud. Hospital Alta Complejidad en Red El Cruce Dr. Néstor Carlos Kirchner Samic; Argentina Fil: Antonietti, Laura. Provincia de Buenos Aires. Ministerio de Salud. Hospital Alta Complejidad en Red El Cruce Dr. Néstor Carlos Kirchner Samic; Argentina Fil: Inserra, Filipe. Universidad Maimónides; Argentina Fil: Ferder, León. Universidad Maimónides; Argentina Fil: Manucha, Walter Ariel Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Medicina y Biología Experimental de Cuyo; Argentina

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ CONICET Digital (CON...arrow_drop_down
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    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Health Security
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    Health Security
    Article . 2020
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ CONICET Digital (CON...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Health Security
      Article
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      Health Security
      Article . 2020
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    Authors: Labraña, Julio; Pignuoli Ocampo, Sergio; Thumala Dockendorff, Daniela; Arnold Cathalifaud, Norman Marcelo;

    El COVID-19 ha producido una intensa comunicación pública a nivel global. Las ciencias sociales han reaccionado produciendo información sobre sus impactos en las distintas esferas de la vida social particularmente en lo que concierne a la economía, la política y la ciencia. Sin embargo, los estudios acerca de la manera en que la estructura funcionalmente diferenciada de la sociedad favorece o restringe los intentos colaborativos para enfrentar la pandemia han sido escasos. En esa última dirección se aplicará la teoría de sistemas sociales para identificar mecanismos sistémicos como la reflexión y la racionalidad que pudiesen estimular el trabajo colaborativo para enfrentar la pandemia, para luego proponer modos organizacionales que la impulsen. COVID-19 has produced intense public communication on a global level. Social sciences have reacted by producing information on their impacts in different spheres of social life, particularly regarding economy, politics, and science. However, there has been not so much consideration about how the functionally differentiated structure of society favors or restricts collaborative attempts to address the pandemic. Specifically, in this way, social systems theory will be applied to identify systemic mechanisms of reflection and rationality that could stimulate collaboration, and then propose organizational modes that would foster it. Fil: Labraña, Julio. Universidad Diego Portales; Chile Fil: Pignuoli Ocampo, Sergio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires; Argentina Fil: Thumala Dockendorff, Daniela. Universidad de Chile; Chile Fil: Arnold Cathalifaud, Norman Marcelo. Universidad de Chile; Chile

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    Authors: Gonzalo Pérez Marc; Damian Alvarez-Paggi; Fernando P. Polack;

    Efforts to best protect the world from SARS-CoV-2 as variants emerge and despite limited vaccine supply are ongoing. One strategy that may maximize vaccine coverage and expedite immunization campaigns involves providing single mRNA vaccine doses to individuals with previous COVID-19. In this issue of the JCI, two independent studies, one by Levi and Azzolini et al. and another by Mazzoni and Di Lauria et al., explored vaccine responses in individuals previously infected with the virus. Levi and Azzolini and colleagues used multilinear regression models to correlate exposure and symptoms with antibody response to the vaccine. Mazzoni and Di Lauria and colleagues characterized B cell and T cell kinetics in whole blood after one and two doses of vaccine in health care workers with and without previous infection. Both studies indicated that one vaccine dose may sufficiently protect individuals who have recovered from COVID-19. Implementing a single-dose mRNA vaccine protocol in previously symptomatic individuals may facilitate and expedite immunization campaigns. Fil: Perez Marc, Gonzalo. Fundación para la Investigación en Infectología Infantil; Argentina Fil: Álvarez Paggi, Damián Jorge. Fundación para la Investigación en Infectología Infantil; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Polack, Fernando Pedro. Fundación para la Investigación en Infectología Infantil; Argentina

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  • Authors: Giacobbe, Claudia; Blanco Pighi, María Florencia;

    El sistema educativo argentino ha nacido bajo la premisa de una educación básica accesible a todos. Con el correr de los años, se ha ido ampliando el espectro que contemplaba esta educación básica, siendo entendida como tal la comprendida en los niveles inicial, primario y secundario, que en nuestro país tienen el carácter de obligatorios, desde el año 2006. Así las cosas, se ha entendido siempre a esta educación obligatoria como eminentemente presencial, debiendo dejarse la educación “a distancia” solo para los mayores de 18 años y en el caso de la modalidad rural, para el ciclo orientado (según el texto original del art. 109 de la ley de Educación Nacional). Todas estas ideas enmarcadas en la concepción de que la educación es un derecho humano fundamental han sido puestas en tensión por la situación actual, en la cual la pandemia nos ha obligado a suspender las clases presenciales y a cerrar las escuelas. En este artículo nos proponemos analizar algunas políticas educativas que cobran vigencia y relevancia en el contexto actual para el nivel secundario de educación obligatoria, algunos proyectos de ley y reformas legislativas que pretenden introducir cambios en el derecho educacional argentino, adaptándolo a los tiempos que corren. Fil: Giacobbe, Claudia. Universidad Nacional de Córdoba. Facultad de Derecho; Argentina. Fil: Giacobbe, Claudia. Universidad Blas Pascal; Argentina. Fil: Blanco Pighi, María Florencia. Universidad Nacional de Córdoba. Facultad de Derecho; Argentina. Fil: Blanco Pighi, María Florencia. Universidad Católica de Córdoba. Facultad de Derecho y Ciencias Sociales; Argentina.

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    Authors: Gastón Andrés Moré; Carlos Javier Panei; Nadia Analía Fuentealba; Carolina Gabriela Aspitia; +8 Authors

    La pandemia de la COVID-19 planteó el rápido diseño y aprobación excepcional de diversos métodos de diagnóstico. En la unidad de diagnóstico COVID- 19 de la FCV-UNLP, se realizó el diagnóstico molecular de la presencia de SARS-CoV-2 en 1114 hisopados de pacientes derivados por el Ministerio de Salud de la Provincia de Buenos Aires. Las muestras de ARN fueron purificadas en cabina de seguridad y se analizaron mediante real time RT-PCR con el kit GeneFinder? para tres targets virales (N, E y RdRp). De 1110 muestras con reacción al control interno, 458 (41,2%) fueron reactivas, 26,9% a tres targets virales, 4,2% a dos y cerca del 10% a uno (principalmente N). El porcentaje de positividad fue similar en el tiempo, aunque la cantidad fue mayor en julio (781 muestras; 315 reactivas) respecto a junio (333 muestras; 143 reactivas). Las muestras de Berisso, Ensenada y La Plata presentaron un porcentaje de positividad significativamente menor al de los demás municipios (27,6% vs. 60,7%). Las muestras de pacientes con tres o más signos relevantes presentaron una mayor positividad (55,6%) y menor reactividad a un único target. Es necesaria la validación interlaboratorios y la estandarización de los métodos para brindar resultados confiables y reproducibles. The COVID-19 pandemic required rapid development and approval of diagnostic methods and kits. Nasal swab samples (n=1114) were derived to Faculty of Veterinary Sciences- UNLP COVID-19 diagnostic unit by the Buenos Aires Province Ministry of Health during June and July 2020, to perform molecular diagnosis of SARS- CoV-2. Samples of RNA were purified in a type II biosafety cabin and analyzed by real time RT-PCR with the GeneFinder™ kit, which amplifies 3 viral target genes (N, E y RdRp). Of the 1110 samples with positive internal control, 458 (41.2%) were positive (26.9% to all target genes, 4.2% to 2 target genes and almost 10% to one gene, mainlyN).Percentageofpositive samples remained similar throughout the study period, although the sample number was higher in July (781 samples; 315 positive) compared to June (333 samples; 143 positive). Samples from Berisso, Ensenada and La Plata had significantly lower positive rate than those coming from other counties (27.6% versus 60.7%, respectively). Positivity rate was higher in samples from patients with ≥3 clinical signs (55.6%). It is necessary to conduct inter-laboratory validation studies and standardization of diagnostic methods used in order to obtain reliable and reproducible results. Fil: Moré, Gastón Andrés. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias. Departamento de Epizootiología y Salud Pública. Laboratorio de Inmunoparasitología; Argentina Fil: Panei, Carlos Javier. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Fuentealba, Nadia Analia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: Aspitia, Carolina Gabriela. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: Bravi, Maria Emilia. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Origlia, Javier Anibal. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: Rambeaud, Magdalena. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: Tizzano, Marco Antonio. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: Rudd Garces, Gabriela. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: Golijow, Carlos Daniel. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: Unzaga, Juan Manuel. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina Fil: Pecoraro, Marcelo Ricardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Veterinarias; Argentina

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    Authors: Echaide, Javier Iñigo;

    El derecho humano al agua está establecido no solo por la Resolución 64/292 de la Asamblea General de Naciones Unidas, sancionada en 2010, sino además por otras normas del derecho positivo internacional y por el derecho consuetudinario. El Comité de Derechos Económicos, Sociales y Culturales (CDESC) también ha considerado que el cumplimiento del derecho humano al agua es esencial y básico para el cumplimiento de otros derechos humanos garantizados en los tratados internacionales. Pero el derecho internacional no se ha desarrollado de manera homogénea, sino que lo ha hecho de modo fragmentado y en múltiples velocidades.Un ejemplo se ve en cómo se protege el derecho de los inversionistas ante los arbitrajes internacionales en materia de inversión ?como ser en el Centro Internacional de Arreglo de Diferencias relativas a Inversiones (CIADI) y en base a Tratados Bilaterales de Inversión (TBI) cuando las empresas concesionarias demandan al Estado por sentirse indirectamente expropiadas, o por entender que se viola el trato justo y equitativo y la protección y seguridad plenas de las inversión por medidas que puedan ser tomadas por el Estado a fin de garantizar el acceso humano al agua en cantidad y calidad suficientes. Allí, el Estado o apoya su medida y se arriesga a una demanda por parte de la empresa, o se retracta en pos de negociar un retiro de la demanda de la empresa arriesgándose a una posible violación del derecho humano al agua.El marco de la pandemia por el virus COVID-19 marca un escenario imprevisto a escala global en el cual los gobiernos de todos los Estados del mundo tomaron medidas para evitar una propagación aún mayor de un virus altamente contagioso que, aún con una tasa de mortalidad baja, causa lesiones permanentes en el sistema respiratorio de las personas infectadas. Dentro de este marco de medidas públicas, el aseo permanente fue una de las más importantes, para lo cual el acceso constante a una fuente de agua segura resultó primordial. Sin embargo, algunas empresas del sector privado ya se encuentran explorando las posibilidades de demandar a los Estados ante tribunales arbitrales en materia de inversiones debido a las medidas de política pública tomadas por los gobiernos durante la pandemia.Este tipo de situaciones evidencia una contradicción práctica entre el régimen internacional de protección de inversiones y la defensa del acceso al agua potable y al saneamientocomo un derecho humano básico y universal. Analizar dicha contradicción en el marco de la postpandemia del COVID-19 será el propósito del presente trabajo. Fil: Echaide, Javier Iñigo. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina

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    Authors: Natalia Tamara Quiroz;

    Este artículo aborda los usos que hacen las y los jóvenes de la aplicación móvil y red social de videos TikTok. Durante el aislamiento causado por la pandemia de COVID-19 se convirtió en la app más descargada y usada. A diferencia de Instagram, TikTok pone en acción a la juventud porque participan activamente de las tendencias que incluyen challenges de baile, actuaciones, tutoriales, entre otros. En esta plataforma coexisten distintos tipos de entretenimiento; sin embargo, su algoritmo secreto pone en duda si visibiliza en mayor medida a jóvenes que cumplen con ciertos estereotipos de belleza.

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    Revista Argentina de Estudios de Juventud
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    Authors: Ezequiel Ridruejo; Alejandro Soza;

    The ongoing pandemic of coronavirus disease 2019 (COVID-19) pandemic poses a serious threat to healthcare systems globally. Information regarding how the infection affects the liver and relevance of pre-existing liver disease as a risk factor for acquiring the infection or having a severe disease are still scarce. Also, considerations in liver transplant patients, those having hepatocellular carcinoma or under immunosuppressive therapy are being matter of analysis as information is being generated. Different treatments for COVID-19 are currently under study, some of which may be associated to hepatotoxicity. In the present review we discuss current data on the COVID-19 and liver, aiming to provide hepatologists with updated information to face this pandemic. Fil: Ridruejo, Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. CEMIC-CONICET. Centro de Educaciones Médicas e Investigaciones Clínicas "Norberto Quirno". CEMIC-CONICET; Argentina. Universidad Austral. Hospital Universitario Austral; Argentina Fil: Soza, Alejandro. Pontificia Universidad Católica de Chile; Chile

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    Annals of Hepatology
    Article . 2020
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    Europe PubMed Central
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      Europe PubMed Central
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    Authors: Schilardi, Patricia Laura; Pissinis, Diego Ezequiel;

    El objetivo general de este trabajo es contribuir a la prevención de la NAV por medio de la funcionalización de las superficies interna y externa del tubo endotraqueal empleado en la ventilación mecánica. La modificación se realiza mediante el depósito de una delgada película de hidrogeles biocompatibles y biodegradables cargados con agentes antimicrobianos convencionales (antibióticos) y no convencionales (nanopartículas de plata, AgNPs) para combatir la formación de los biofilms bacterianos que generan la NAV. Los hidrogeles proporcionan control espacial y temporal sobre la liberación de los agentes terapéuticos debido a su degradabilidad controlable y capacidad para proteger a los medicamentos lábiles, permitiendo, además, alcanzar concentraciones locales superiores a las obtenidas por administración sistémica. Para alcanzar los objetivos, se ha optimizado la síntesis de un hidrogel en base a polietilenglicol capaz de adherirse fuertemente a la superficie de cloruro de polivinilo del tubo endotraqueal. Se logró recubrir la superficie del tubo con el hidrogel, comprobándose una buena estabilidad mecánica tanto para el hidrogel deshidratado como para el mismo hidratado. Se analizaron diferentes rutas de incorporación de los agentes antimicrobianos, encontrándose que la más adecuada es el agregado de éstos al polímero precursor del hidrogel. Los hidrogeles modificados con AgNPs presentan características de adhesión y estabilidad similares a las de los hidrogeles sin modificar. Al momento de escribir este trabajo se están llevando cabo los experimentos tendientes a determinar la capacidad antimicrobiana de las superficies modificadas. The general objective of this work is to contribute to the prevention of VAP through the functionalization of the internal and external surfaces of the endotracheal tube used in mechanical ventilation. The modification is carried out by depositing a thin film of biocompatible and biodegradable hydrogels loaded with antibiotics and non-conventional antimicrobial agents (silver nanoparticles, AgNPs) to inhibit the formation of bacterial biofilms generating NAV. Hydrogels provide spatial and temporal control over the release of therapeutic agents due to their controllable degradability and ability to protect labile drugs. In addition, higher antibiotic local concentration than those obtained by systemic administration can be reached. To achieve these objectives, the synthesis of a hydrogel based on polyethylene glycol which is capable of strongly adhere to the polyvinyl chloride surface of the endotracheal tube has been optimized. It was possible to cover the surface of the tube with the hydrogel, which showed good mechanical stability for both the dehydrated hydrogel and the hydrated one. Different routes of incorporation of antimicrobial agents were investigated, finding that the most suitable is the addition of these agents to the precursor polymer of the hydrogel. Hydrogels loaded with AgNPs have similar adhesion and stability to the unloaded hydrogels. Experiments are being carried out to determine the antimicrobial capacity of these modified surfaces. Este desarrollo es financiado mediante el Programa de Articulación y Fortalecimiento Federal de las Capacidades en Ciencia y Tecnología COVID-19, Ministerio de Ciencia, Tecnología e Innovación, Argentina (2020). Secretaría de Ciencia y Técnica

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    Authors: Lunghi, Carlos Guillermo;

    La problemática del abandono de los alumnos en la universidad argentina es un tema prioritario en la educación superior. ¿Por qué abandonan? es un interrogante, a la cual toda la comunidad educativa intenta continuamente encontrar una respuesta y su posible solución. La realidad, presenta una población estudiantil, crecientemente heterogénea en su formación sociocultural, en su composición sociodemográfica, sexo, edad, siendo un desafío avanzar hacia la equidad y la calidad en un contexto socioeconómico de creciente desigualdad, educación, pobreza y crecimiento, todos estos indivisiblemente ligados. El presente trabajo se orienta al estudio de las posibles causas de deserción de los alumnos, en las distintas carreras de grado que se dictan en la FCE - Facultad de Ciencias Económicas de la UNLP - Universidad Nacional de La Plata, durante el periodo 2019 ~ 2021, situación que se viera incrementada a partir de marzo de 2020, por motivos de la Pandemia de Covid-19, y las consiguientes medidas de cuidado adoptadas e impuestas a la ciudanía, tales como cuarentena, suspensión del dictado de clases presenciales y su necesaria y posterior utilización de educación virtual, por nombrar en esta instancia tan solo algunas, las cuales impactaron profundamente no solo en un cambio total del paradigma, respecto a la forma de enseñanza del proceso educación/aprendizaje, sino tan bien aumentando exponencialmente el problema de deserción, ya existente por otras causas. Facultad de Ciencias Económicas

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    Authors: Javier Mariani; Virna Margarita Marín Giménez; Ivana Bergam; Carlos D. Tajer; +4 Authors

    Each patient´s immune defenses play a major role in mitigating the impact (ie, morbidity and mortality) of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus responsible for coronavirus disease 2019 (COVID-19). Vitamin D is an important modulator of the immune system. Although serum 25-hydroxyvitamin D levels can be raised through diet or supplements, most vitamin D in the body is the result of dermal synthesis from ultraviolet radiation. The production of vitamin D in the skin, however, can be limited by latitude, skin-covering clothes, the use of sunblock, and skin pigmentation. Vitamin D deficiency affects a high percentage of the world population. Serum 25-hydroxyvitamin D levels are suboptimal, not only in specific risk groups but also in adults from many countries. Low vitamin D levels, therefore, represent a risk factor for several different pathologies, including SAR-CoV-2. This study used an ecological design to assess the association between vitamin D deficiency and COVID-19 incidence, complications, and mortality across 46 countries. All data were obtained from published sources. The results of the study suggest an association at the population level between the prevalence of vitamin D deficiency and the risk of being infected with COVID-19, severity of the disease, and risk of dying from it. Fil: Mariani, Javier. Provincia de Buenos Aires. Ministerio de Salud. Hospital Alta Complejidad en Red El Cruce Dr. Néstor Carlos Kirchner Samic; Argentina Fil: Martín Giménez, Virna Margarita. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - San Juan; Argentina. Universidad Catolica de Cuyo. Facultad de Ciencias Quimicas y Tecnologicas; Argentina Fil: Bergam, Ivana. Croatia Osiguranje Pension Company; Croacia Fil: Tajer, Carlos Daniel. Provincia de Buenos Aires. Ministerio de Salud. Hospital Alta Complejidad en Red El Cruce Dr. Néstor Carlos Kirchner Samic; Argentina Fil: Antonietti, Laura. Provincia de Buenos Aires. Ministerio de Salud. Hospital Alta Complejidad en Red El Cruce Dr. Néstor Carlos Kirchner Samic; Argentina Fil: Inserra, Filipe. Universidad Maimónides; Argentina Fil: Ferder, León. Universidad Maimónides; Argentina Fil: Manucha, Walter Ariel Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Medicina y Biología Experimental de Cuyo; Argentina

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    Health Security
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    Authors: Labraña, Julio; Pignuoli Ocampo, Sergio; Thumala Dockendorff, Daniela; Arnold Cathalifaud, Norman Marcelo;

    El COVID-19 ha producido una intensa comunicación pública a nivel global. Las ciencias sociales han reaccionado produciendo información sobre sus impactos en las distintas esferas de la vida social particularmente en lo que concierne a la economía, la política y la ciencia. Sin embargo, los estudios acerca de la manera en que la estructura funcionalmente diferenciada de la sociedad favorece o restringe los intentos colaborativos para enfrentar la pandemia han sido escasos. En esa última dirección se aplicará la teoría de sistemas sociales para identificar mecanismos sistémicos como la reflexión y la racionalidad que pudiesen estimular el trabajo colaborativo para enfrentar la pandemia, para luego proponer modos organizacionales que la impulsen. COVID-19 has produced intense public communication on a global level. Social sciences have reacted by producing information on their impacts in different spheres of social life, particularly regarding economy, politics, and science. However, there has been not so much consideration about how the functionally differentiated structure of society favors or restricts collaborative attempts to address the pandemic. Specifically, in this way, social systems theory will be applied to identify systemic mechanisms of reflection and rationality that could stimulate collaboration, and then propose organizational modes that would foster it. Fil: Labraña, Julio. Universidad Diego Portales; Chile Fil: Pignuoli Ocampo, Sergio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires; Argentina Fil: Thumala Dockendorff, Daniela. Universidad de Chile; Chile Fil: Arnold Cathalifaud, Norman Marcelo. Universidad de Chile; Chile

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