Ciencias Naturales y Exactas
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Recent Submissions
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Computational environment for genomic sequencing and annotation : a workflow for application in projects by life researchers
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Secretaría de Investigación y Posgrado, 2022-10-31)The current paper seeks to approach, using a workflow, basics subjects of the bioinformatic field and also useful informations to consider during the development of in silico researches. Installation and general usage of ... -
Extraction of stevioside and rebaudioside a from stevia rebaudiana by percolation with ethanol-water solvents
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Secretaría de Investigación y Posgrado, 2022-10-31)The aim of this study was to analyze the optimum temperature and percentage of ethanol to extract steviol glycosides (Stevioside and Rebaudioside A) from stevia leaves in a percolation extractor. The experiments were ... -
Location and characterization of the Misiones plinthite (Argentina)
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Secretaría de Investigación y Posgrado, 2022-10-31)Plinthite (Gr. Plinthos, brick) is a residual soil that occupies 60 million hectares on the planet. The Province of Misiones (Argentina) is the border zone of South America where this soil appears, locally called in its ... -
Urban solid waste characterization of the Misiones metropolitan area
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Secretaría de Investigación y Posgrado, 2022-10-31)This paper reports the behaviour of solid urban waste generation in the Metropolitan Area of Misiones, during a period of seven days. The waste analysed came from collection routes by household sampling points ... -
Evaluation of sorption isotherms in snacks with pregelatinized cassava
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Secretaría de Investigación y Posgrado, 2022-10-31)Sorption characteristics are studied for their influence on the storage stability of dehydrated products and their effect on water vapour diffusion. In the present work, the adsorption curves of snacks with and without ... -
Percepciones de los estudiantes de la Licenciatura en Enfermería sobre estrategias de enseñanza y aprendizaje
(Grupo Paradigma, 2018-10-01)Objetivo: este artículo tiene como objetivo conocer la percepción de los estudiantes de la carrera de Licenciatura en Enfermería de la Escuela de Enfermería de UNaM sobre las estrategias docentes utilizadas en el proceso ... -
Caracterización química y morfología de la madera de Moringa oleifera como materia prima potencial para biorrefinerías
(Universidad Nacional de Misiones. Facultad de Ciencias Exactas, Químicas y Naturales. Secretaria de Investigación y Posgrado, 2018-11-14)La creciente demanda de biomasa forestal ha motivado el cultivo de plantaciones forestales de corta rotación en países desarrollados y en desarrollo.La Moringa oleifera es una especie de rápido crecimiento que se adapta a ... -
Kinetic modeling of a heterogeneous Fenton‐type oxidative treatment of complex industrial efuent
(Springer Nature, 2018-09-17)This work proposes a kinetic model for the reactions involved in the heterogeneous copper-based Fenton-type oxidation of mixed recalcitrant compounds in a real industrial effluent from the alkaline sulfite treatment of ... -
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 ...