8 research outputs found
Jesús CASQUETE: El culto a los mártires nazis. Alemania, 1920-1939, Madrid, Alianza Ensayos, 2020, 384 pp. ISBN 978-84-9181-946-2.
Review of Jesús CASQUETE: El culto a los mártires nazis. Alemania, 1920-1939, Madrid, Alianza Ensayos, 2020, 384 pp., ISBN 978-84-9181-946-2.Reseña de Jesús CASQUETE: El culto a los mártires nazis. Alemania, 1920-1939, Madrid, Alianza Ensayos, 2020, 384 pp., ISBN 978-84-9181-946-2
El tercer peronismo y la última dictadura desde las revistas políticas argentinas : Reseña del libro de Marcelo Borrelli (Director) <i>Las revistas políticas argentinas. Desde el peronismo a la dictadura (1973-1983)</i>. Buenos Aires: Prometeo, 2021, 258 págs.
Marcelo Borrelli es docente e investigador en comunicación y ciencias sociales, con una vasta trayectoria en el estudio de las revistas políticas argentinas. El presente libro es una compilación de artículos escritos en forma conjunta -excepto dos, de autoría exclusiva del director- con otros investigadores e investigadoras que formaron parte de proyectos de investigación coordinados por Borrelli. La obra se enmarca dentro de los estudios sobre la prensa política argentina durante la década de 1970 y se dedica a analizar la postura de algunas revistas comerciales de orientación política entre 1973 y 1983. La hipótesis central del libro sostiene que las revistas políticas tenían la capacidad de pasar bajo el radar de la censura oficial -debido a su tirada modesta-, y por ello tuvieron mayor margen para “influir” sobre la política y para tratar temas omitidos en publicaciones de gran tirada, en un contexto signado por la conflictividad social y política.Facultad de Humanidades y Ciencias de la Educació
Efecto de las propiedades morfológicas sobre las propiedades fotofísicas del grupo colgante -Re(CO)3(PHEN) unido al esqueleto de la poli-4-vinilpiridina
Las propiedades fotoquímicas y fotofísicas del polímero Re-P4VP, donde los cromóforos de -Re(I)(CO)3(phen) están unidos a la cadena de la poli-4-vinilpiridina, fueron interpretadas en base a las transformaciones morfológicas del mismo. La morfología del Re-P4VP se estudió bajo diferentes medios y condiciones de concentración por las técnicas de TEM y AFM. Los resultados de estos estudios en Re-P4VP y Re-P4VP en presencia de HClO4, Re-P4VPHnn+, revelaron que sus morfologías son dependientes de la concentración del polímero de Re(I). Estos cambios morfológicos tienen una influencia directa en las propiedades fotofísicas del polímero de Re-P4VP, siendo responsables de un incremento significativo del tiempo de vida del estado excitado MLCTRe(I) ? phen con la concentración del polímero y de un aumento de casi 8 veces en el rendimiento cuántico de luminiscencia después de la protonación del Re-P4VP.Facultad de Ciencias Agrarias y Forestale
High Exposure to Livestock Pathogens in Southern Pudu (<i>Pudu puda</i>) from Chile
A significant gap in exposure data for most livestock and zoonotic pathogens is common for several Latin America deer species. This study examined the seroprevalence against 13 pathogens in 164 wild and captive southern pudu from Chile between 2011 and 2023. Livestock and zoonotic pathogen antibodies were detected in 22 of 109 wild pudus (20.18%; 95% CI: 13.34–29.18) and 17 of 55 captive pudus (30.91%; 95% CI: 19.52–44.96), including five Leptospira interrogans serovars (15.38% and 10.71%), Toxoplasma gondii (8.57% and 37.50%), Chlamydia abortus (3.03% and 12.82%), Neospora caninum (0.00% and 9.52%), and Pestivirus (8.00% and 6.67%). Risk factors were detected for Leptospira spp., showing that fawn pudu have statistically significantly higher risk of positivity than adults. In the case of T. gondii, pudu living in “free-range” have a lower risk of being positive for this parasite. In under-human-care pudu, a Pestivirus outbreak is the most strongly suspected as the cause of abortions in a zoo in the past. This study presents the first evidence of Chlamydia abortus in wildlife in South America and exposure to T. gondii, L. interrogans, and N. caninum in wild ungulate species in Chile. High seroprevalence of livestock pathogens such as Pestivirus and Leptospira Hardjo in wild animals suggests a livestock transmission in Chilean template forest
Clinical and microbiological characteristics of bacterial infections in patients with cirrhosis. A prospective cohort study from Argentina and Uruguay
Introduction and Objectives: there is insufficient data regarding bacterial infections in patients with cirrhosis to support recommendations for empiric antibiotic treatments, particularly in Latin America. This study aimed to evaluate bacterial infection's clinical impact and microbiological characteristics, intending to serve as a platform to revise current practices. Materials and Methods: multicenter prospective cohort study of patients with cirrhosis and bacterial infections from Argentina and Uruguay. Patient and infection-related information were collected, focusing on microbiology, antibiotic susceptibility patterns, and outcomes. Results: 472 patients were included. Spontaneous bacterial infections and urinary tract infections (UTIs) were registered in 187 (39.6%) and 116 (24.6%) patients, respectively, representing the most common infections. Of the 256 culture-positive infections, 103 (40.2%) were caused by multidrug-resistant organisms (reaching 50% for UTI), and 181 (70.7%) received adequate initial antibiotic treatment. The coverage of cefepime and ceftriaxone was over 70% for the empirical treatment of community-acquired spontaneous infections, but ceftazidime´s coverage was only 40%. For all UTI cases and for healthcare-associated or nosocomial spontaneous bacterial infections, the lower-spectrum antibiotics that covered at least 70% of the isolations were imipenem and meropenem. During hospitalization, a second bacterial infection was diagnosed in 9.8% of patients, 23.9% required at least one organ support, and 19.5% died. Conclusions: short-term mortality of bacterial infections in patients with cirrhosis is very high, and a high percentage were caused by multidrug-resistant organisms, particularly in UTIs. The information provided might serve to adapt recommendations, particularly related to empirical antibiotic treatment in Argentina and Uruguay. The study was registered in Clinical Trials (NCT03919032)
Prophylaxis with norfloxacin is not associated with multi-drug resistant bacterial infections
NEOTROPICAL ALIEN MAMMALS: a data set of occurrence and abundance of alien mammals in the Neotropics
Biological invasion is one of the main threats to native biodiversity. For a species to become invasive, it must be voluntarily or involuntarily introduced by humans into a nonnative habitat. Mammals were among first taxa to be introduced worldwide for game, meat, and labor, yet the number of species introduced in the Neotropics remains unknown. In this data set, we make available occurrence and abundance data on mammal species that (1) transposed a geographical barrier and (2) were voluntarily or involuntarily introduced by humans into the Neotropics. Our data set is composed of 73,738 historical and current georeferenced records on alien mammal species of which around 96% correspond to occurrence data on 77 species belonging to eight orders and 26 families. Data cover 26 continental countries in the Neotropics, ranging from Mexico and its frontier regions (southern Florida and coastal-central Florida in the southeast United States) to Argentina, Paraguay, Chile, and Uruguay, and the 13 countries of Caribbean islands. Our data set also includes neotropical species (e.g., Callithrix sp., Myocastor coypus, Nasua nasua) considered alien in particular areas of Neotropics. The most numerous species in terms of records are from Bos sp. (n = 37,782), Sus scrofa (n = 6,730), and Canis familiaris (n = 10,084); 17 species were represented by only one record (e.g., Syncerus caffer, Cervus timorensis, Cervus unicolor, Canis latrans). Primates have the highest number of species in the data set (n = 20 species), partly because of uncertainties regarding taxonomic identification of the genera Callithrix, which includes the species Callithrix aurita, Callithrix flaviceps, Callithrix geoffroyi, Callithrix jacchus, Callithrix kuhlii, Callithrix penicillata, and their hybrids. This unique data set will be a valuable source of information on invasion risk assessments, biodiversity redistribution and conservation-related research. There are no copyright restrictions. Please cite this data paper when using the data in publications. We also request that researchers and teachers inform us on how they are using the data
NEOTROPICAL CARNIVORES: a data set on carnivore distribution in the Neotropics
Mammalian carnivores are considered a key group in maintaining ecological health and can indicate potential ecological integrity in landscapes where they occur. Carnivores also hold high conservation value and their habitat requirements can guide management and conservation plans. The order Carnivora has 84 species from 8 families in the Neotropical region: Canidae; Felidae; Mephitidae; Mustelidae; Otariidae; Phocidae; Procyonidae; and Ursidae. Herein, we include published and unpublished data on native terrestrial Neotropical carnivores (Canidae; Felidae; Mephitidae; Mustelidae; Procyonidae; and Ursidae). NEOTROPICAL CARNIVORES is a publicly available data set that includes 99,605 data entries from 35,511 unique georeferenced coordinates. Detection/non-detection and quantitative data were obtained from 1818 to 2018 by researchers, governmental agencies, non-governmental organizations, and private consultants. Data were collected using several methods including camera trapping, museum collections, roadkill, line transect, and opportunistic records. Literature (peer-reviewed and grey literature) from Portuguese, Spanish and English were incorporated in this compilation. Most of the data set consists of detection data entries (n = 79,343; 79.7%) but also includes non-detection data (n = 20,262; 20.3%). Of those, 43.3% also include count data (n = 43,151). The information available in NEOTROPICAL CARNIVORES will contribute to macroecological, ecological, and conservation questions in multiple spatio-temporal perspectives. As carnivores play key roles in trophic interactions, a better understanding of their distribution and habitat requirements are essential to establish conservation management plans and safeguard the future ecological health of Neotropical ecosystems. Our data paper, combined with other large-scale data sets, has great potential to clarify species distribution and related ecological processes within the Neotropics. There are no copyright restrictions and no restriction for using data from this data paper, as long as the data paper is cited as the source of the information used. We also request that users inform us of how they intend to use the data