Now showing items 650-669 of 940

    • Obese rats are more vulnerable to inflammation, genotoxicity and oxidative stress induced by coal dust inhalation than non-obese rats 

      Gasparotto, Juciano; Chaves Rodrigues, Paloma; Da Boit Martinello, Katia; Da Rosa Siva, Helen Tais; Bortolin, Rafael Calixto; Silva Oliveira, Luis Felipe; Rabelo, Thallita Kelly; Da Silva, Jeferson D; Da Silva, Fernanda Rabaioli; Nordin, Adriane Perachi; Soares, Karina; Borges, Malu Siqueira; Gelain, D. P; Moreira Fonseca, José Cláudio (Ecotoxicology And Environmental Safety, 2018-08-26)
      Obesity is an important nutritional disorder worldwide. Its association with environmental pollution may trigger an increase in oxidative stress and inflammatory parameters. Coal is a resource used throughout the world as ...
    • Obesity level estimation software based on decision trees 

      De-La-Hoz-Correa, Eduardo; Mendoza Palechor, Fabio; De-La-Hoz-Manotas, Alexis; Morales Ortega, Roberto; Sánchez Hernández, Adriana Beatriz (Universidad de la Costa, 2019-04-15)
      Obesity has become a global epidemic that has doubled since 1980, with serious consequences for health in children, teenagers and adults. Obesity is a problem has been growing steadily and that is why every day appear new ...
    • Object oriented modeling frameworks for the social systems 

      Balaguera, M. I.; Lis Gutierrez, Jenny Paola; Gaitan, Mercedes; Viloria Silva, Amelec Jesus; Robayo Acuña, Paula Vivana (Journal of Engineering and Applied Sciences, 2017)
      In the present study, an object oriented approach and modeling framework is proposed for the construction of synthetic, computational models of social systems. The conventional approach to model and study social systems ...
    • Occupational stress in nursing personnel of intensive care units 

      Lastre Amell, Gloria; Gaviria-García, Gladys; Herazo-Beltrán, Yaneth; Mendinueta-Martínez, Martha (Universidad de la Costa, 2018-02-14)
      Introduction: There are several stressors in the actions carried out by the nursing staff in intense situations such as life, illness and death. Objective: To determine the occupational stressors that affect the nursing ...
    • On An Operational Matrix Method Based On Generalized Bernoulli Polynomials Of Level M 

      Quintana, Yamilet; Ramirez Quiroga, William David; Urieles Guerrero, Alejandro (Calcolo, 2018-09-01)
      An operational matrix method based on generalized Bernoulli polynomials of level m is introduced and analyzed in order to obtain numerical solutions of initial value problems. The most innovative component of our method ...
    • On new strong versions of Browder type theorems 

      Sanabria, José E.; Carpintero, Carlos R.; Rodríguez, Jorge G.; Rosas, Ennis R.; García, Orlando (Open Mathematics, 2018)
      An operator T acting on a Banach space X satisfies the property (UWπ) if σa(T)\σSF-+ (T) = π (T), where σa(T) is the approximate point spectrum of T, σSF-+ (T) is the upper semi-Weyl spectrum of T andπ (T) the set of all ...
    • On property (Saw) and others spectral properties type Weyl-Browder theorems 

      Sanabria, José E.; Carpintero, Carlos R.; Rosas Rodriguez, Ennis Rafael; García, Orlando (Revista Colombiana de Matematicas, 2017)
      An operator T acting on a Banach space X satisfies the property (aw) if σ(T) \ σw(T) = Ea(T), where σw(T) is the Weyl spectrum of T and Eo a(T) is the set of all eigenvalues of T of finite multiplicity that are isolated ...
    • On real valued ω-continuous functions 

      Carpintero, Carlos; Rajesh, N.; Rosas Rodriguez, Ennis Rafael (Acta Universitatis Sapientiae, Mathematica, 2018)
      The aim of this paper is to introduce and study upper and lower !-continuous functions. Some characterizations and several proper- ties concerning upper (resp. lower) !-continuous functions are obtained.
    • On the evolution of “cleaner production” as a concept and a practice 

      Hens, Luc M.A; Block, Chantal; Cabello Eras, Juan Jose; Sagastume Gutierrez, Alexis; García Lorenzo, Dunia; Chamorro Gonzalez, Candy Lorena; Herrera Mendoza, Ketty; Haeseldonckx, Dries; Vandecasteele, Carlo H.A. (Journal Of Cleaner Production, 2018-06-20)
      “Cleaner Production“(CP) is about less and more efficient energy and materials use and the substitution of more harmful products (for the environment and health) by less dangerous ones. CP was the reply of the industry to ...
    • On the hereditary character of new strong variations of weyl type theorems 

      Carpintero, C.; Malaver, A.; Rosas, E.; Sanabria, J. (Analele Stiintifice ale Universitatii Al I Cuza din Iasi - Matematica, 2019)
      Berkani and Kachad [18], [19], and Sanabria et al. [32], introduced and studied strong variations of Weyl type Theorems. In this paper, we study the behavior of these strong variations of Weyl type theorems for an operator ...
    • On The Isostructural And Superprotonic Cs5H3(SO4)4·Xh2o Transformations: Physical Or Chemical Nature? 

      Ortiz Muñoz, E; Mendoza Estrada, Victor Julio; Romero, J (Ionics, 2018-08-01)
      For over 20 years, researchers have agreed that when pentacesium trihydrogen tetrasulfate hydrate (Cs5H3(SO4)4·xH2O) is heated through 141 °C, the observed conductivity increase corresponds to a physical transformation: a ...
    • On the Reaction Mechanism of the Complete Intermolecular O2 Transfer between Mononuclear Nickel and Manganese Complexes with Macrocyclic Ligands 

      Zapata Rivera, Jhon Enrique; Caballol, Rosa; Jiménez Calzado, Carmen; G Liakos, Dimitrios; Neese, Frank (Chemistry - A European Journal, 2014-10-06)
      The recently described intermolecular O2 transfer between the side-on Ni-O2 complex [(12-TMC)Ni-O2]+ and the manganese complex [(14-TMC)Mn]2+, where 12-TMC and 14-TMC are 12- and 14-membered macrocyclic ligands, ...
    • On the reaction mechanism of the complete intermolecular o2 transfer between mononuclear nickel and manganese complexes with macrocyclic ligands 

      Zapata Rivera, Jhon Enrique; Caballol, Rosa; Jiménez Calzado, Carmen; G Liakos, Dimitrios; Neese, Frank (Universidad de la Costa, 2014-10-06)
      The recently described intermolecular O2 transfer between the side-on Ni-O2 complex [(12-TMC)Ni-O2]+ and the manganese complex [(14-TMC)Mn]2+, where 12-TMC and 14-TMC are 12- and 14-membered macrocyclic ligands, ...
    • On the reduction of the available bandwidth estimation error through clustering with K-means 

      Guerrero, Cesar D.; Salcedo Morillo, Dixon David (IEEE, 2012-11-07)
      There are different tools to estimate the end to end available bandwidth (AB). These tools use techniques which send pairs of packets to the network and observe changes in dispersion or propagation delays to infer the value ...
    • One-pot multi-enzymatic production of purine derivatives with application in pharmaceutical and food industry 

      Acosta, Javier; Del Arco, Jon; Martínez Pascual, Sara; Clemente Suárez, Vicente Javier; Fernandez Lucas, Jesus
      Biocatalysis reproduce nature’s synthetic strategies in order to synthesize different organic compounds. Natural metabolic pathways usually involve complex networks to support cellular growth and survival. In this regard, ...
    • One-pot, one-step production of dietary nucleotides by magnetic biocatalysts 

      Del Arco, Jon; Martínez Pascual, Sara; Clemente Suárez, Vicente Javier; Corral Pazos de Provens, Octavio Jorge; Jordaan, Justin; Hormigo, Daniel; Perona, Almudena; Fernandez Lucas, Jesus (Catalysts, 2018-04-27)
      The enzymatic synthesis of nucleotides offers several advantages over traditional multistep chemical methods, such as stereoselectivity, regioselectivity, enantioselectivity, simple downstream processing, and the use of ...
    • An ontological framework for cooperative games 

      Balaguera, M. I.; Lis Gutierrez, Jenny Paola; Gaitan, Mercedes; Viloria Silva, Amelec Jesus; Portillo Medina, Rafael Angel (Lecture Notes in Computer Science, 2018)
      Social intelligence is an emerging property of a system composed of agents that consists of the ability of this system to conceive, design, implement and execute strategies to solve problems and thus achieve a collective ...
    • Operations research as a decision-making tool in the health sector: A state of the art 

      Romero Conrado, Alfonso Rafael; Castro Bolaño, Lauren Julieth; Montoya Torres, Jairo Rafael; Jimenez Barros, Miguel Angel (DYNA (Colombia), 2017)
      The contributions of Operations Research (OR) in the healthcare field have been extensively studied in the scientific literature since the 1960s, covering decision support tools with operational, tactical, and strategic ...
    • Opinión de los empleadores sobre el desempeño de egresados del Programa de Enfermería de la Universidad de Sucre. Colombia 

      Martinez Royert, Judith Cristina; Vergara Arroyo, Vivian Marcela; Jaramillo Quintero, Nidian Yolima; Suarez Támara, Dayanis Carolina; Miranda Mellado, Clarybel; Pereira Peñate, Milena (Espacios, 2018-04-20)
      El presente artículo muestra los hallazgos de la investigación “Impacto de los egresados del programa de Enfermería de la Universidad de Sucre en su entorno laboral desde la perspectiva de los empleadores, usuario y ...
    • Optical and structural characterization of TiO-Zn-V thin films synthesized using the sol-gel method 

      Solano Mazo, Cristian Adolfo; Mass Varela, Julio; Muñoz Acevedo, Amner; Gomez Vega, Humberto; Henao Martinez, Jose Antonio (Journal of Electronic Materials, 2019)
      We report structural and optical properties of thin films grown by the sol–gel method and spin-coating technique. We synthesized thin films of Tiox-Zn-V with varying concentrations of vanadium and titanium. The resulting ...