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

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

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

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

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

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

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

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

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

    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
    DOI: https://doi.org/10.15359/ru.36-1.44

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

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

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

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

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

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

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

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

  • Nitrates Evaluation in the National Térraba-Sierpe Wetland

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

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

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

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

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

  • Spectral reconstruction of kilovoltage photon beams using generalized simulated annealing

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

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

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

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

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

  • Social networks in wildlife protected areas of Costa Rica

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

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

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

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

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

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

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

  • Pros and Cons of Computer-Assisted Rehabilitation

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

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

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

  • Bone level around dental implants adjacent to teeth and implants

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

  • Tooth whitening in conventional orthodontic patients: a systematic review

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

  • Measuring Traffic Dynamics at the Edge

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

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

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

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

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

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

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

  • Nanotechnology diffusion strategy: interdisciplinary teaching to primary school teachers

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

  • Criteria guiding mathematics professors practice in engineering basic science courses

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

  • Specialized knowledge of polygons of math teachers in training

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

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

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

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

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

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

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

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

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

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

    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
    DOI: https://doi.org/10.15359/ru.36-1.46

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

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

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

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

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

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

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

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

  • Emotions associated with the process of construction the parallelepiped volume

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

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

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

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

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

  • Analyzing students’ visual attention through spy glasses

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

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

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

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

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

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

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

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

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

  • Contrasts in the learning process among Forest Engineering students

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

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

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

  • Cognitive and social skills in collaborative solution of mathematical problems

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