Repositorio institucional de la Universidad Nacional de Misiones: Recent submissions
Now showing items 1401-1420 of 4300
-
Cytogenetic characterization of Hoplias malabaricus (Bloch, 1794) from the Ctalamochita River (Córdoba, Argentina) : first evidence for southernmost populations of this species complex and comments on its biogeography
(Pensoft, 2017-01-09)Hoplias malabaricus (Bloch, 1794), a predatory freshwater fish with a wide distribution throughout South America, represents a species complex with seven well characterized karyomorphs at the cytogenetic level. Although ... -
First report of B chromosomes in three neotropical thorny catfishes (Siluriformes, Doradidae)
(Pensoft, 2017-01-09)The family Doradidae (Siluriformes) is an important group of fishes endemic to freshwater ecosystems in South America. Some cytogenetic studies have been conducted focused on the group; however, there are no reports on the ... -
Cytogenetic studies in the redtail catfish, Phractocephalus hemioliopterus (Bloch & Schneider, 1801) (Siluriformes, Pimelodidae) a giant fish from Amazon basin
(Pensoft, 2017-03-06)The objective of this study was to cytogenetically analyze Phractocephalus hemioliopterus comparing the findings with other data to infer relationships among Pimelodidae species. The results revealed a diploid number of ... -
Genotoxic response of blood, gill and liver cells of Piaractus mesopotamicus after an acute exposure to a glyphosate-based herbicide
(Taylor & Francis, 2016-12-08)The use of pesticides may affect the aquatic ecosystem. Through soil, these contaminants are drained into rivers. In South America, glyphosate-base herbicides, such as Roundup, are widely used in agricultural activities. ... -
Mitochondrial DNA ancestry, HPV infection and the risk of cervical cancer in a multiethnic population of northeastern Argentina
(Public Library of Science, 2018-01-12)Background Misiones Province in northeastern Argentina is considered to be a region with a high prevalence of HPV infection and a high mortality rate due to cervical cancer. The reasons for this epidemiological trend are ... -
Molecular epidemiology and phylogenetic analysis of human papillomavirus infection in women with cervical lesions and cancer from the coastal region of Ecuador
(Asociación Argentina de Microbiología, 2018-04-01)El objetivo del presente estudio fue aportar información sobre la epidemiología molecular del virus del papiloma humano (human papillomavirus [HPV]) y los factores de riesgo asociados al desarrollo de lesiones cervicales ... -
Trabajos varios sobre papiloma virus humano en el sur de Ecuador
(Instituto Nacional de Investigación en Salud Pública, 2018-03-30)Aprovechando la realización de las XL Jornadas Nacionales de Biología Espol en la ciudad de Guayaquil, se realizó una sesión dedicada a la epidemiología del virus de papiloma humano (VPH) y del cáncer cervical. Esta sesión ... -
Política(s) y retórica(s) interculturales : sobre archivos y bibliotecas territoriales misioneras
(Universidad Nacional de Córdoba. Centro de Investigaciones y Estudios sobre Cultura y Sociedad, 2015-12-28)En el marco de las investigaciones en torno a los paisajes territoriales e interculturales, este trabajo recoge experiencias y recorridos literarios, semióticos y culturales en la frontera y al mismo tiempo despliega un ... -
Polycyclic aromatic hydrocarbons (PAHs) in yerba mate (Ilexparaguariensis St. Hil) traditional infusions (mate and terere)
(Elsevier, 2016-02-01)This study describes the occurrence of polycyclic aromatic hydrocarbons (PAHs) in traditional yerba maté hot and cold infusions ( mate and tereré), by monitoring the content of benz[a]anthracene, chrysene, benzo[b]fluoranthene, ... -
Chromosome evolution in Cophomantini (Amphibia, Anura, Hylinae)
(Public Library of Science, 2018-02-14)The hylid tribe Cophomantini is a diverse clade of Neotropical treefrogs composed of the genera Aplastodiscus, Boana, Bokermannohyla, Hyloscirtus, and Myersiohyla. The phylogenetic relationships of Cophomantini have been ... -
A new species of Pseudopaludicola (Anura, Leiuperinae) from Espírito Santo, Brazil
(PeerJ Inc., 2018-05-16)We describe a new anuran species of the genus Pseudopaludicola that inhabits sandy areas in resting as associated to the Atlantic Forest biome in the state of Espírito Santo, Brazil. The new species is characterized by: ... -
Recubrimientos porosos de dióxido de titanio sintetizados por oxidación anódica
(Universidad Federal de Rio de Janeiro, 2018-07-19)El TiO2 es uno de los materiales más utilizados en el proceso de fotocatálisis heterogénea debido a su disponibilidad comercial, bajo costo, baja toxicidad y elevada actividad fotocatalítica. Uno de los métodos más eficientes ... -
Influencia de los tratamientos térmicos en recubrimientos anódicos nanotubulares de TiO2
(Universidad Federal de Rio de Janeiro, 2018-07-19)El TiO2 es un semiconductor ampliamente utilizado en el proceso de fotocatálisis heterogénea para la des-contaminación de aguas. Diversos estudios indican que las estructuras ordenadas de nanotubos en fase ana-tasa mejoran ... -
Caracterización electroquímica de películas de óxido de zinc obtenidas por anodizado en medio alcalino
(Universidad Federal de Rio de Janeiro, 2018-07-19)El óxido de Zinc es un material de particular interés a causa de sus propiedades ópticas y eléctricas únicas, que son exploradas para muchas aplicaciones en optoelectrónica y nanoelectrónica; y que puede ser sintetizado ... -
Heterogeneous photocatalytic Cr(VI) reduction with short and long nanotubular TiO2 coatings prepared by anodic oxidation
(Elsevier, 2018-01-01)Nanotubular TiO2 coatings prepared by anodic oxidation of titanium were evaluated for the first time in the photocatalytic Cr(VI) reduction in the presence of EDTA. Small nanotubes (SN) were prepared by using aqueous ... -
Yerba mate (Ilex paraguariensis, A. St.-Hil.) de novo transcriptome assembly based on tissue specific genomic expression profiles
(BioMed Central, 2018-12-07)Background: The most common infusion in southern Latin-American countries is prepared with dried leaves of Ilex paraguariensis A. St.-Hil., an aboriginal ancestral beverage known for its high polyphenols concentration ... -
What happened in the South American Gran Chaco? Diversification of the endemic frog genus Lepidobatrachus Budgett, 1899 (Anura: Ceratophryidae)
(Elsevier, 2018)The Chaco is one the most neglected and least studied regions of the world. This highly-seasonal semiarid biome is an extensive continuous plain without any geographic barrier, and in spite of its high species diversity, ... -
When the cure kills—CBD limits biodiversity research : national laws fearing biopiracy squelch taxonomy studies
(American Association for the Advancement of Science, 2018-06-29)The Convention on Biological Diversity (CBD) commits its 196 nation parties to conserve biological diversity, use its components sustainably, and share fairly and equitably the benefits from the utilization of genetic ... -
¿Es posible contar el dolor? Cruces teóricos entre la comunicación y el género para el abordaje de experiencias dolorosas
(Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Sociales, 2018-06-01)Este artículo es una propuesta reflexiva para el abordaje de experiencias dolorosas que involucran al abuso sexual en niños, niñas y adolescentes. Si bien el tema obligó a revisar los cruces disciplinares, esta propuesta ... -
Hyla prasina Burmeister, 1856 meets the requirements of Article 23.9.1 of the Code for a reversal of precedence over Hyla quoyi Bory de Saint-Vincent, 1828 (Anura, Hylidae)
(Magnolia Press, 2018-07-04)In a recent work, Ohler and Dubois (2018) discussed the correct application of Article 23.9 of the Code (Anonymous,1999; 2012) and illustrated it with some concrete cases in which the authors considered that the Article ...
