Vol. 36 No. 1 (2022): Uniciencia. January-December, 2022

Published: 2022-01-31

Original scientific papers (evaluated by academic peers)

  • Excess Mortality Data Analysis of COVID-19 Infections and Fatalities in Ecuador

    DOI: https://doi.org/10.15359/ru.36-1.17
    Theofilos Toulkeridis, Esteban Ortiz-Prado, Jamileth Chunga-Moran, Marco Heredia-R, Alexis Debut (Author)
    1-10

  • Covid-19 Vaccine Distribution: Combining SEIR and Machine Learning

    DOI: https://doi.org/10.15359/ru.36-1.12
    Víctor Edgardo López-Sandoval (Author)
    1-15

  • An Efficient Convolutional Neural Network to Detect and Count Blood Cells

    DOI: https://doi.org/10.15359/ru.36-1.28
    Rakesh Chandra Joshi, Saumya Yadav, Malay Kishore Dutta, Carlos M. Travieso-González (Author)
    1-11

  • Automated Quantification of Ki-67 on Gastric Epithelial Tissue based on Cell Nuclei Area Ratio

    DOI: https://doi.org/10.15359/ru.36-1.29
    Austin Blanco-Solano, Francisco Siles Canales, Warner Alpízar-Alpízar (Author)
    1-9

  • Sphingolipid pathway as a biosensor of cancer chemosensitivity: a proof of principle

    DOI: https://doi.org/10.15359/ru.36-1.44
    José Arturo Molina-Mora, Susana Mesen-Porras, Isaac Quiros-Fernandez, Mariana Kop-Montero, Andrea Rojas-Cespedes, Steve Quiros, Francisco Siles, Rodrigo Mora (Author)
    1-15

  • A Systematic Review About the Contribution of The Genus Tessaria (Asteraceae) To Cancer Study and Treatment

    DOI: https://doi.org/10.15359/ru.36-1.30
    Arianna Sosa-Lochedino, María Belén Hapon, Carlos Gamarra-Luques (Author)
    1-17

  • Characterization of Three cDNAs Obtained by Spliced Leader-PCR Screening of a Taenia solium cDNA Library

    DOI: https://doi.org/10.15359/ru.36-1.31
    Oswgladys Garrido, Elizabeth Ferrer (Author)
    1-10

  • Waste management: a study on generating organic fertilizer from oil and grease trap systems

    DOI: https://doi.org/10.15359/ru.36-1.1
    Julián Rojas-Vargas, José Mora-Barrantes, Pablo Herrera-Vargas, Vinicio Arias-Zuñiga (Author)
    1-15

  • Distribution, richness, and molecular identification of spider crabs (Brachyura: Majoidea: Mithracidae) from Costa Rica

    DOI: https://doi.org/10.15359/ru.36-1.18
    Carolina Sancho-Blanco, Luis E. Salas-Arce, Jorge Alfaro-Montoya, Rita Vargas-Castillo, Juan Antonio Baeza, Rodolfo Umaña-Castro (Author)
    1-15

  • Nitrates Evaluation in the National Térraba-Sierpe Wetland

    DOI: https://doi.org/10.15359/ru.36-1.10
    Laura Hernández-Alpízar, Jesús Mora-Molina (Author)
    1-11

  • Environmental contribution of Los Tajos wastewater treatment plant in the removal of physicochemical and microbiological pollutants

    DOI: https://doi.org/10.15359/ru.36-1.33
    Carmen Mora-Aparicio, Carolina Alfaro-Chinchilla, Junior Pastor Pérez-Molina, Ilena Vega-Guzmán (Author)
    1-17

  • Disaster risk management: competencies for a new hydro-environmental culture

    DOI: https://doi.org/10.15359/ru.36-1.8
    Jeannette Arauz Muñoz, Cristian Moreira Segura, Claudia Charpentier Esquivel, Gustavo Barrantes Castillo (Author)
    1-26

  • Spectral reconstruction of kilovoltage photon beams using generalized simulated annealing

    DOI: https://doi.org/10.15359/ru.36-1.15
    Jorge Homero Wilches-Visbal, Danny Giancarlo Apaza-Veliz, Patrícia Nicolucci (Author)
    1-11

  • Tectona grandis L.f. clonal selection for the dry Pacific zone of Costa Rica

    DOI: https://doi.org/10.15359/ru.36-1.19
    Yorleny Badilla-Valverde, Olman Murillo-Gamboa (Author)
    1-15

  • An overview of the synthesis of graphene by liquid-phase exfoliation: mechanisms, factors, and techniques

    DOI: https://doi.org/10.15359/ru.36-1.35
    Carlos Daniel Galindo-Uribe, Patrizia Calaminici, Omar Solorza-Feria (Author)
    1-14

  • Social networks in wildlife protected areas of Costa Rica

    DOI: https://doi.org/10.15359/ru.36-1.6
    Melissa Marín Cabrera (Author)
    1-17

  • Surface water quality and socio-environmental pressures in the upper microbasin of the Poás river

    DOI: https://doi.org/10.15359/ru.36-1.24
    Kelvin Arce-Villalobos, Rolando Sánchez-Gutiérrez, Jacqueline Centeno-Morales, Rolando Marín-León, Jorengeth Abad Rodríguez-Rodríguez (Author)
    1-23

  • Obtaining leveled heights by GPS leveling. Case study: Morona – Ecuador

    DOI: https://doi.org/10.15359/ru.36-1.26
    Iván Fernando Palacios-Orejuela, Karol Dennise Arellano-Pérez (Author)
    1-13

  • Accurate Symmetry Calculation with Normalized Dynamic Time Warping Gait Symmetry Ratio

    DOI: https://doi.org/10.15359/ru.36-1.47
    Tobias Steinmetzer, Ingrid Bönninger, Carlos M. Travieso-González (Author)
    1-8

  • Pros and Cons of Computer-Assisted Rehabilitation

    DOI: https://doi.org/10.15359/ru.36-1.27
    Norbert Ferenčík, Radovan Hudák, Miroslav Kohan, Viktória Rajťúková (Author)
    1-7

  • The Transformation of RGB Images to Munsell Soil-Color Charts

    DOI: https://doi.org/10.15359/ru.36-1.36
    Martín Solís, Erick Muñoz-Alvarado, María Carmen Pegalajar (Author)
    1-10

  • Bone level around dental implants adjacent to teeth and implants

    DOI: https://doi.org/10.15359/ru.36-1.13
    John Jairo Gómez-Guzmán, Yohana Marcela Arias-Holguín, María Isabel Pérez, Felipe Augusto Restrepo-Restrepo, Carolina Rodríguez-Medina, Javier Enrique Botero (Author)
    1-11

  • Tooth whitening in conventional orthodontic patients: a systematic review

    DOI: https://doi.org/10.15359/ru.36-1.21
    Stefanía Hernández-Viana, Miguel Fernando Niño, Felipe Augusto Restrepo, Javier Enrique Botero (Author)
    1-15

  • Measuring Traffic Dynamics at the Edge

    DOI: https://doi.org/10.15359/ru.36-1.39
    Luis Gerardo León-Vega, Jorge Castro-Godínez (Author)
    1-9

  • Bioinsecticides used against Spodoptera spp. in the cultivation of watermelon (Citrullus lanatus T.) in Los Ríos, Ecuador

    DOI: https://doi.org/10.15359/ru.36-1.42
    Víctor Ileer, Jorge Peralta, Christian Palacios, Alexis Burgos (Author)
    1-11

  • Preliminary study on health effects and their relation to volcanic gas emissions exposure. A case study of two active volcanoes in Costa Rica

    DOI: https://doi.org/10.15359/ru.36-1.49
    Erick Ortiz Apuy, José Carlos Mora Barrantes, Jose Pablo Sibaja Brenes (Author)
    1-20

  • Exploring the use of remote sensing tools and geospatial technologies applied to the multidimensional food security problem

    DOI: https://doi.org/10.15359/ru.36-1.48
    Eliana Marina Di Fino, Carlos Matias Scavuzzo, Micaela Natalia Campero, Carlos Marcelo Scavuzzo, María Daniela Defagó (Author)
    1-15

  • Nanotechnology diffusion strategy: interdisciplinary teaching to primary school teachers

    DOI: https://doi.org/10.15359/ru.36-1.3
    Melissa Camacho-Elizondo, Diego Batista-Menezes, Rodrigo Mora-Bolaños, José Roberto Vega-Baudrit, Gabriela Montes de Oca-Vásquez (Author)
    1-13

  • Criteria guiding mathematics professors practice in engineering basic science courses

    DOI: https://doi.org/10.15359/ru.36-1.5
    Walmer Garcés-Córdova, Vicenç Font-Moll (Author)
    1-19

  • Specialized knowledge of polygons of math teachers in training

    DOI: https://doi.org/10.15359/ru.36-1.7
    Elizabeth Advíncula-Clemente, Marisel Beteta-Salas, José León-Ríos, Isabel Torres-Céspedes, Miguel Montes (Author)
    1-17

  • Knowledge of mathematics teachers in initial training regarding mathematical proofs: Logic-mathematical aspects in the evaluation of arguments

    DOI: https://doi.org/10.15359/ru.36-1.9
    Christian Alfaro-Carvajal, Pablo Flores-Martínez, Gabriela Valverde-Soto (Author)
    1-25

  • Persistent mathematical errors when entering initial teacher math training: the linearity case

    DOI: https://doi.org/10.15359/ru.36-1.4
    Maitere Aguerrea, María Eugenia Solís, Jaime Huincahue (Author)
    1-18

  • Teacher Reflection on a Teaching-Learning Situation Regarding the Concept of Relation in Secondary Education

    DOI: https://doi.org/10.15359/ru.36-1.2
    Miguel Picado-Alfaro, José Romilio Loría-Fernández, Jonathan Espinoza-González (Author)
    1-25

  • Implementation of the Mathematics curriculum in elementary school from the teacher’s perspective

    DOI: https://doi.org/10.15359/ru.36-1.11
    Ronny Gamboa-Araya, Randall Hidalgo-Mora, Mario Castillo-Sánchez (Author)
    1-31

  • Gender, self-efficacy and performance in a mathematics test: The moderating role of the educational center

    DOI: https://doi.org/10.15359/ru.36-1.46
    José Andrey Zamora-Araya, Eiliana Montero-Rojas, Vanessa Smith-Castro, Tania Elena Moreira-Mora, Pablo Zamora-Calvo, Karla Quintero-Arias, Stefani Matarrita-Muñoz (Author)
    1-17

  • Guidelines for the analysis of mathematics textbooks lessons on the subject of proportionality

    DOI: https://doi.org/10.15359/ru.36-1.14
    María José Castillo Céspedes, María Burgos Navarro, Juan Díaz Godino (Author)
    1-19

  • Mathematical Modeling in Statistical Activities: Key Episodes for Model Generation

    DOI: https://doi.org/10.15359/ru.36-1.16
    Àngels Aymerich, Lluís Albarracín (Author)
    1-16

  • Mathematical Creative Thinking Ability and Self-Efficacy: A Mixed-Methods Study involving Indonesian Students

    DOI: https://doi.org/10.15359/ru.36-1.20
    Sri Rahayuningsih, Muhammad Nurhusain, Nenny Indrawati (Author)
    1-14

  • Literacy and probabilistic thinking in pre-service and in service mathematics teachers

    DOI: https://doi.org/10.15359/ru.36-1.22
    Francisco Rodríguez-Alveal, Danilo Díaz-Levicoy, Maitere Aguerrea (Author)
    1-16

  • Emotions associated with the process of construction the parallelepiped volume

    DOI: https://doi.org/10.15359/ru.36-1.23
    Fabricio Vladimir Vinces-Vinces, Juan David Giraldo-Rojas, Marcela Cecilia Parraguez-González, Luis Albeiro Zabala-Jaramillo (Author)
    1-19

  • Inferential reasoning of high school mathematics teachers about t-Student statistic

    DOI: https://doi.org/10.15359/ru.36-1.25
    Jesús Guadalupe Lugo-Armenta, Luis Roberto Pino-Fan (Author)
    1-29

  • Technical skills in the professional practice of engineering in Costa Rica: A neuro correlation analysis

    DOI: https://doi.org/10.15359/ru.36-1.32
    Juan Diego Sánchez-Sánchez (Author)
    1-17

  • Analyzing students’ visual attention through spy glasses

    DOI: https://doi.org/10.15359/ru.36-1.34
    Danyal Farsani, Jhony Alexander Villa-Ochoa (Author)
    1-17

  • Teachers’ specialized knowledge through problem posing in pre-school education

    DOI: https://doi.org/10.15359/ru.36-1.37
    Juan Pedro Martín-Díaz, Miguel Montes (Author)
    1-19

  • Cognitive analysis of probability comparison tasks by preservice primary school teachers

    DOI: https://doi.org/10.15359/ru.36-1.38
    María Burgos, María del Mar López-Martín, Carmen Gloria Aguayo-Arriagada, Verónica Albanese (Author)
    1-24

  • Towards a characterization of algebraic competence: an exploratory study with students

    DOI: https://doi.org/10.15359/ru.36-1.40
    Lilia P Aké, Carmen Olvera-Martínez (Author)
    1-18

  • Knowledge used by preservice teaching students when comparing areas of 2D figures

    DOI: https://doi.org/10.15359/ru.36-1.41
    Sofía Caviedes, Genaro De Gamboa, Edelmira Badillo (Author)
    1-20

  • Contrasts in the learning process among Forest Engineering students

    DOI: https://doi.org/10.15359/ru.36-1.43
    Juan Carlos Valverde, Mariela Romero-Zúñiga, Lupita Vargas-Fonseca (Author)
    1-17

  • Transitions when adjusting interdisciplinary mathematical models: the case of financial literacy

    DOI: https://doi.org/10.15359/ru.36-1.45
    Alejandro Cabrera-Baquedano, Jaime Huincahue, Claudio Gaete-Peralta (Author)
    1-20

  • Cognitive and social skills in collaborative solution of mathematical problems

    DOI: https://doi.org/10.15359/ru.36-1.50
    Eugenio Chandia, Anahí Huencho, Carlos Pérez, Andrés Ortiz, Gamal Cerda (Author)
    1-26