Producción textual: Recent submissions
Now showing items 221-240 of 542
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Studies on lignin extraction from rice husk by a soda-ethanol treatment : kinetics, separation, and characterization of products
(Elsevier, 2018-01-01)The delignification kinetics of lignocellulosic waste is an important tool for the study of the technical-economic viability of biorefinery processes. The aim of this work was to study the kinetic of lignin extraction by ... -
Techno‐economic assessment of carboxylic acids, furfural, and pellet production in a pine sawdust biorefinery
(John Wiley & Sons, Ltd, 2018-08-19)Pine sawdust is an important lignocellulosic waste from the primary industrialization of wood, and its valorization using the biorefinery concept could add new value chains to the forest industry. Compared with large‐scale ... -
Alternatives of small-scale biorefineries for the integrated production of xylitol from sugarcane bagasse
(Scrivener Publishing LLC, 2018-03-01)Small-scale biorefinery from sugarcane bagasse offers new possibilities to the sugar and ethanol industries. The aim of this study was to evaluate the feasibility of a small-scale biorefinery for the production of xylitol ... -
First whole-genome shotgun sequence of a promising cellulase secretor, Trichoderma koningiopsis Strain POS7
(American Society for Microbiology, 2017-09-14)Trichoderma koningiopsis strain POS7 produces significantly large amounts of cellulase enzymes in solid-state fermentation. The Illumina-based sequence analysis reveals an approximate genome size of 36.6 Mbp, with a G+C ... -
Cytogenetic trends in two families of the neotropical catfishes : Heptapteridae and Pseudopimelodidae (siluriformes)
(Mary Ann Liebert, Inc., 2018-09-05)Several neotropical Siluriformes groups suffered important taxonomic revisions based on the evaluation of morphological and molecular characteristics that allow the construction of new phylogenetic hypothesis. In the present ... -
Ascorbic acid and calcium uptake in pineapple tissue through different sucrose concentrations of impregnation solution
(Elsevier, 2019-06-19)Incorporation of ascorbic acid and calcium in pineapple slices through impregnation processes in isotonic (∼14 °Bx) and hypertonic (50 °Bx) aqueous solution of sucrose was studied. Changes in water content, soluble solids, ... -
First cytogenetic characterization of Loricaria simillima (Loricariidae, Siluriformes) from Paraná River (Argentina) with emphasis in cytotaxonomy of Loricaria
(Taylor & Francis, 2016-11-30)This work aims to establish some cytogenetic characteristics of Loricaria simillima from Paraná River. The obtained results show that L. simillima has a 2n = 64 diploid number, with 12 metacentric, 12 sub-metacentric and ... -
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 ... -
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 ...
