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  • 1
    In: The Astronomical Journal, American Astronomical Society, Vol. 159, No. 4 ( 2020-02-27), p. 130-
    Type of Medium: Online Resource
    ISSN: 1538-3881
    Language: Unknown
    Publisher: American Astronomical Society
    Publication Date: 2020
    detail.hit.zdb_id: 2207625-6
    detail.hit.zdb_id: 2003104-X
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  • 2
    Online Resource
    Online Resource
    Universidad de Medellin ; 2018
    In:  Opinión Jurídica Vol. 17, No. 33 ( 2018), p. 255-276
    In: Opinión Jurídica, Universidad de Medellin, Vol. 17, No. 33 ( 2018), p. 255-276
    Abstract: El presente texto tiene como fin aclarar el papel de la ideología en la hermenéutica constitucional a partir de la filosofía de Paul Ricoeur. Con base en el filósofo francés se puede comprender que la ideología tiene tres niveles diferentes los cuales llevan a tres funciones, a saber: integración, legitimación y distorsión, las cuales, como se verá, pueden ser llevadas al plano de la interpretación de la Constitución. Para poder mostrar esos usos de la ideología en la hermenéutica constitucional se describirán varios aspectos de la misma, para luego, en un nivel hermenéutico filosófico, proponer la manera en que funciona la ideología en la interpretación de la Constitución.
    Type of Medium: Online Resource
    ISSN: 1692-2530 , 2248-4078
    Language: Spanish
    Publisher: Universidad de Medellin
    Publication Date: 2018
    detail.hit.zdb_id: 2538374-7
    SSG: 7,36
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  • 3
    In: Obesity Surgery, Springer Science and Business Media LLC, Vol. 32, No. 12 ( 2022-12), p. 3908-3921
    Abstract: The coronavirus disease 2019 (COVID-19) pandemic led to a worldwide suspension of bariatric and metabolic surgery (BMS) services. The current study analyses data on patterns of service delivery, recovery of practices, and protective measures taken during the COVID-19 pandemic by bariatric teams. Materials and Methods The current study is a subset analysis of the GENEVA study which was an international cohort study between 01/05/2020 and 31/10/2020. Data were specifically analysed regarding the timing of BMS suspension, patterns of service recovery, and precautionary measures deployed. Results A total of 527 surgeons from 439 hospitals in 64 countries submitted data regarding their practices and handling of the pandemic. Smaller hospitals (with less than 200 beds) were able to restart BMS programmes more rapidly (time to BMS restart 60.8 ± 38.9 days) than larger institutions (over 2000 beds) (81.3 ± 30.5 days) ( p  = 0.032). There was a significant difference in the time interval between cessation/reduction and restart of bariatric services between government-funded practices (97.1 ± 76.2 days), combination practices (84.4 ± 47.9 days), and private practices (58.5 ± 38.3 days) ( p   〈  0.001). Precautionary measures adopted included patient segregation, utilisation of personal protective equipment, and preoperative testing. Following service recovery, 40% of the surgeons operated with a reduced capacity. Twenty-two percent gave priority to long waiters, 15.4% gave priority to uncontrolled diabetics, and 7.6% prioritised patients requiring organ transplantation. Conclusion This study provides global, real-world data regarding the recovery of BMS services following the COVID-19 pandemic. Graphical abstract
    Type of Medium: Online Resource
    ISSN: 0960-8923 , 1708-0428
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2022
    detail.hit.zdb_id: 2087903-9
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  • 4
  • 5
    In: Case reports, Universidad Nacional de Colombia, Vol. 6, No. 2 ( 2020-07-01), p. 118-127
    Abstract: Introduction: Superior vena cava syndrome is described as the obstruction of blood flow through the superior vena cava. The literature reports that the incidence of this pathology varies from 1 case in every 650 inhabitants and 1 case in every 3 100 inhabitants. Since this condition is very rare in the pediatric population, no clear figure has been reported regarding its incidence in children. The use of a central venous catheter in newborns is a risk factor for this condition, as it may cause a thrombus due to the inflammatory reaction against the device. Therefore, it is necessary to initiate anticoagulation management and remove the catheter.Case presentation: Premature male newborn, (31.4 weeks gestation), with acute respiratory distress syndrome, early neonatal sepsis, pneumonia, necrotizing enterocolitis on 2 occasions, intestinal obstruction due to adhesions and intestinal volvulus. At 90 days of age, he presented thrombosis of the superior vena cava without involvement of the jugular and subclavian vein junction in the right atrium. Anticoagulant management was started, but given his unfavorable evolution, a multidisciplinary medical board was held to assess the risks, benefits, and treatment options in this age group. It was decided to start intracavitary tissue plasminogen activator treatment associated with mechanical thrombectomy and angioplasty of the superior vena cava. Due to the difficulty of conducting clinical trials in this population and the rates of major bleeding complications obtained with thrombolytic therapies, there is very little information available on the use of tissue plasminogen activator in newborns. For this reason, alteplase is seldom considered as the therapy of choice. However, in patients with life-threatening thrombosis, such as the present case, the results obtained in adults could be extrapolated in search of a favorable outcome.Conclusions: Fibrinolytic therapy is a way to reduce the size of the thrombus, but it dramatically increases the risk of bleeding; consequently, these patients must be strictly monitored. In pediatric populations, due to the diameter of the blood vessels, thrombectomy is difficult to perform; additionally, recurrent thrombosis and the need for transfusion of blood products are frequent.
    Type of Medium: Online Resource
    ISSN: 2462-8522
    Language: Unknown
    Publisher: Universidad Nacional de Colombia
    Publication Date: 2020
    detail.hit.zdb_id: 2871801-X
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  • 6
    Online Resource
    Online Resource
    Universidad Nacional de Colombia ; 2017
    In:  Revista Colombiana de Sociología Vol. 40, No. 2 ( 2017-07-01), p. 239-256
    In: Revista Colombiana de Sociología, Universidad Nacional de Colombia, Vol. 40, No. 2 ( 2017-07-01), p. 239-256
    Abstract: En el presente artículo se exploran las experiencias de fábricas en Colombia que pasaron por diversos procesos de recuperación. Durante la década de los noventa, Latinoamérica atravesó un difícil periodo de transición hacia al neoliberalismo caracterizado por la implementación de reformas económicas cuyo fin fundamental era alcanzar la apertura económica. En Colombia los grandes grupos económicos aprovecharon el proceso de diversificación económica agenciado en el periodo de la industrialización sustitutiva y se retiraron parcialmente del sector manufacturero. Como consecuencia, el tejido industrial sufrió una profunda reorganización y muchas empresas industriales tuvieron que cesar sus actividades productivas. En este contexto, trabajadores de algunas de estas empresas emprendieron procesos de recuperación productiva, con el objetivo de proteger sus empleos, las acreencias laborales adeudadas y sus salarios. En este artículo se busca ampliar la comprensión sobre por qué y cómo estas fábricas emprendieron tal tarea de recuperación, con miras a rescatar teórica y políticamente el legado de estas experiencias de trabajadores y trabajadoras, para extraer lecciones que puedan servir en sus luchas presentes y futuras. Específicamente, se tomaron tres casos de fábricas recuperadas: Croyfast, de la industria del calzado; Comdistral, que producía bienes de capital metalmecánicos; y Empaques del Cauca, dedicada a la producción de costales de fique para el sector cafetero. Para cada una de ellas, se hicieron entrevistas semiestructuradas a dirigentes sindicales y trabajadores de base, además, se realizó una visita a Empaques del Cauca. Desde una perspectiva teórico-metodológica configuracionista, anclada a la sociología del trabajo, se recurrió a los conceptos de configuración sociotécnica y configuración de negocios para dar cuenta del proceso de trabajo de las empresas estudiadas, así como de su relación con el entorno. De esta manera, se logró ahondar en la comprensión del fenómeno de las fábricas recuperadas, desde la óptica de la disputa del control del proceso de producción. Con respecto a las fábricas estudiadas, se llegó a la conclusión de que en las tres se presentó una configuración sociotécnica taylorista, polivalente y maquiladora, así como una configuración de negocios determinada por una subcontratación de carácter subordinante. Además, pudo evidenciarse que las principales dificultades que enfrentaron estas fábricas fueron la pervivencia de un taylorismo precarizante, la subcontratación subordinante y la falta de capacidades gerenciales de los colectivos de trabajadores.
    Type of Medium: Online Resource
    ISSN: 2256-5485 , 0120-159X
    Language: Unknown
    Publisher: Universidad Nacional de Colombia
    Publication Date: 2017
    detail.hit.zdb_id: 2600081-7
    SSG: 7,36
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  • 7
    In: Ornithological Applications, Oxford University Press (OUP), Vol. 125, No. 1 ( 2023-03-25)
    Abstract: A major barrier to advancing ornithology is the systemic exclusion of professionals from the Global South. A recent special feature, Advances in Neotropical Ornithology, and a shortfalls analysis therein, unintentionally followed a long-standing pattern of highlighting individuals, knowledge, and views from the Global North, while largely omitting the perspectives of people based within the Neotropics. Here, we review current strengths and opportunities in the practice of Neotropical ornithology. Further, we discuss problems with assessing the state of Neotropical ornithology through a northern lens, including discovery narratives, incomplete (and biased) understanding of history and advances, and the promotion of agendas that, while currently popular in the north, may not fit the needs and realities of Neotropical research. We argue that future advances in Neotropical ornithology will critically depend on identifying and addressing the systemic barriers that hold back ornithologists who live and work in the Neotropics: unreliable and limited funding, exclusion from international research leadership, restricted dissemination of knowledge (e.g., through language hegemony and citation bias), and logistical barriers. Moving forward, we must examine and acknowledge the colonial roots of our discipline, and explicitly promote anti-colonial agendas for research, training, and conservation. We invite our colleagues within and beyond the Neotropics to join us in creating new models of governance that establish research priorities with vigorous participation of ornithologists and communities within the Neotropical region. To include a diversity of perspectives, we must systemically address discrimination and bias rooted in the socioeconomic class system, anti-Blackness, anti-Brownness, anti-Indigeneity, misogyny, homophobia, tokenism, and ableism. Instead of seeking individual excellence and rewarding top-down leadership, institutions in the North and South can promote collective leadership. In adopting these approaches, we, ornithologists, will join a community of researchers across academia building new paradigms that can reconcile our relationships and transform science. Spanish and Portuguese translations are available in the Supplementary Material.
    Type of Medium: Online Resource
    ISSN: 0010-5422 , 2732-4621
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2023
    detail.hit.zdb_id: 215921-1
    detail.hit.zdb_id: 2066173-3
    SSG: 12
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  • 8
    Online Resource
    Online Resource
    Universidad de Medellin ; 2022
    In:  Opinión Jurídica Vol. 21, No. 44 ( 2022-07-30), p. 372-393
    In: Opinión Jurídica, Universidad de Medellin, Vol. 21, No. 44 ( 2022-07-30), p. 372-393
    Abstract: Este articulo tiene por objetivo principal reflexionar sobre la decisión judicial, específicamente acerca del fenómeno de la legitimidad en el acto de juzgar, y cómo, a partir de esta, nos podemos situar en una hermenéutica del texto judicial. La metodología empleada se basó en un método teórico analítico, el cual consiste en una descomposición de un todo e individualizar cada parte u elemento del fenómeno de estudio. La principal conclusión a la cual lleva el texto es que la legitimidad del juicio no se encuentra meramente en un acto de poder, sino que se va erigiendo a partir de la aceptación del instrumento que condensa la decisión por parte de los sujetos que se vieron inmersos en la Litis. Por ello, el juez busca persuadir a los sujetos procesales inmersos en el conflicto y así legitimar su juicio o sentencia. Ahora bien, el acto de juzgar es visto también como aquel fenómeno que sirve como instrumento de comprensión del sí y del otro, y de este modo nos pueda sumergir a un nivel más profundo el cual radica en una hermenéutica del texto judicial.
    Type of Medium: Online Resource
    ISSN: 2248-4078 , 1692-2530
    Language: Unknown
    Publisher: Universidad de Medellin
    Publication Date: 2022
    detail.hit.zdb_id: 2538374-7
    SSG: 7,36
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  • 9
    Online Resource
    Online Resource
    IOP Publishing ; 2021
    In:  Environmental Research: Infrastructure and Sustainability Vol. 1, No. 2 ( 2021-09-01), p. 022001-
    In: Environmental Research: Infrastructure and Sustainability, IOP Publishing, Vol. 1, No. 2 ( 2021-09-01), p. 022001-
    Abstract: Infrastructure choices and decisions widely employ the language of value, whether to articulate what is worthwhile or to debate which principles or approaches are most appropriate to specific contexts. As the world strives to achieve long-term sustainability goals, incorporating sustainability values into infrastructure decision-making becomes progressively more important. Yet, the term ‘value’ has been used under different meanings and implications throughout the infrastructure sustainability literature, obstructing the debate on which values are important and what is valuable to infrastructure decision-making processes. This paper reviews how the concept of value has been used to position different sustainability dimensions of large infrastructure systems. Specifically, a conceptual framework proposed by Tadaki et al is used to highlight different notions of infrastructure value under four general headings: value as a magnitude of preference, as a contribution to specified goals, as a means of communicating key priorities, and as a representation of historical relations. This review shows that the discussion of infrastructure value has often focussed on monetary measures to the exclusion of other relevant measures of value. However, if long-term sustainability goals are to be met, a transformation of the ways that value is understood and measured in the context of infrastructure systems is required. This review discusses key similarities, interdependencies, and disparities between published notions of infrastructure value in order to provide a conceptual reference guide that highlights the variety of perspectives that are both implicit and explicit among practitioners and academics.
    Type of Medium: Online Resource
    ISSN: 2634-4505
    Language: Unknown
    Publisher: IOP Publishing
    Publication Date: 2021
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  • 10
    In: Fire and Materials, Wiley, Vol. 47, No. 2 ( 2023-03), p. 170-181
    Abstract: The combination of keratin fibers (KF), obtained from poultry feathers, with chitosan (Ch) are employed in polypropylene (PP) composites to enhance the flame‐retardant (FR) properties. The combined effect of each additive and the use of functionalized PP with ammonium polyphosphate (PP‐gAPP) as a compatibilizer, compared with PP‐gMA, on composite FR properties was analyzed. This compatibilizer was prepared by melt reaction of maleic anhydride grafted PP (PP‐gMA) with ammonium polyphosphate (APP). The grafting of APP was characterized by FTIR, XRD, and NMR. PP/KF/Ch composites using PP‐gAPP as compatibilizer were characterized by TGA, mechanical properties, and fire‐retardant tests such as UL‐94 (HB), limiting oxygen index (LOI), and cone calorimeter evaluations. These tests demonstrated the enhancement in fire‐retardant characteristics obtained by using PP‐gAPP as a compatibilizer agent compared with PP‐gMA. The combination of the additives (KF and Ch) with PP‐gAPP as compatibilizer in PP, increases the modulus and tensile strength and significantly improves the LOI and reduces the peak heat release rate during cone calorimetry tests with better thermal stability and a noticeable reduction in horizontal burning rate. Most important, the results indicated that the combination of these additives produce similar flame retardancy than a reference sample with high magnesium hydroxide loading. These composites are a promising way to meet the growing demand for high‐performance materials with FR characteristics using bio‐fire retardant additives such as KF and Ch, in sustainable and environmentally friendly composites.
    Type of Medium: Online Resource
    ISSN: 0308-0501 , 1099-1018
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 2002816-7
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