Results 11 to 20 of about 19,574 (131)

A Simulation Study of a Planar Cable-Driven Parallel Robot to Transport Supplies for Patients with Contagious Diseases in Health Care Centers

open access: yesRobotics, 2021
Currently, a large number of investigations are being carried out in the area of robotics focused on proposing solutions in the field of health, and many of them have directed their efforts on issues related to the health emergency due to COVID-19 ...
Marco Carpio   +6 more
doaj   +1 more source

Motivation and innovation: Mobile technology acceptance among student teachers

open access: yesRIED: Revista Iberoamericana de Educación a Distancia, 2017
Mobile technologies constitute a didactic resource with great potential. However, their incorporation process to the classroom is not being implemented in a satisfying way.
José Carlos Sánchez-Prieto   +2 more
doaj   +1 more source

Caracterización molecular de un nuevo begomovirus aislado de cinco especies de arvenses colectadas en cultivos de tomate en Valle del Cauca

open access: yesActa Biológica Colombiana, 2019
Las arvenses son hospederos alternos de begomovirus (Geminiviridae), los cuales facilitan su persistencia y propagación a cultivos de interés agronómico, como el tomate.
Karina López-López   +2 more
doaj   +1 more source

La importancia de los procesos de regulación compartida en CSCL; rasgos teóricos y empíricos para su estudio

open access: yesRevista Iberoamericana de Educación, 2016
La literatura reciente en el ámbito del aprendizaje colaborativo mediado por ordenador (Computer-Supported Collaborative Learning –CSCL–) destaca que un proceso colaborativo eficaz se asocia con la capacidad que tienen los alumnos para regular sus ...
Juan Carlos Castellanos Ramírez   +1 more
doaj   +1 more source

Ecología y evolución de la polinización por engaño

open access: yesBotan‪ical Sciences, 1999
En este artículo revisamos los aspectos ecológicos y evolutivos del síndrome de polinización por engaño. Este tipo de polinización ocurre en aquellas especies de plantas en las que un porcentaje de las flores no produce recompensas, y por lo tanto ...
Reyna A. Castillo   +2 more
doaj   +1 more source

Dynamics of Simultaneous and Imitative Bodily Coordination in Trust and Distrust

open access: yesFrontiers in Psychology, 2018
Body synchronization between interacting people involves coordinative movements in time, space and form. The introduction of newer technologies for automated video analysis and motion tracking has considerably improved the accurate measurement of ...
Carlos Cornejo   +7 more
doaj   +1 more source

Characterization of the molecular changes associated with the overexpression of a novel epithelial cadherin splice variant mRNA in a breast cancer model using proteomics and bioinformatics approaches: identification of changes in cell metabolism and an increased expression of lactate dehydrogenase B

open access: yesCancer & Metabolism, 2019
Background Breast cancer (BC) is the most common female cancer and the leading cause of cancer death in women worldwide. Alterations in epithelial cadherin (E-cadherin) expression and functions are associated to BC, but the underlying molecular ...
Marina Rosso   +8 more
doaj   +1 more source

Pautas atípicas. Las conversaciones en los materiales auditivos para la enseñanza de español L2 publicados en Suecia

open access: yesEuroAmerican Journal of Applied Linguistics and Languages, 2022
Este estudio de caso utiliza el análisis de la conversación para examinar la interacción verbal en las conversaciones didácticas de tres manuales de español como lengua extranjera (de ahora en adelante ELE) empleados en la educación secundaria sueca.
Franco Pauletto, Isabelle Ahlström
doaj   +1 more source

Ephrin-B1 Is a Novel Biomarker of Bladder Cancer Aggressiveness. Studies in Murine Models and in Human Samples

open access: yesFrontiers in Oncology, 2020
Bladder cancer (BC) is the ninth most common cancer worldwide, but molecular changes are still under study. During tumor progression, Epithelial cadherin (E-cadherin) expression is altered and β-catenin may be translocated to the nucleus, where it acts ...
María Victoria Mencucci   +12 more
doaj   +1 more source

Plant-Mediated Effects of Water Deficit on the Performance of Tetranychus evansi on Tomato Drought-Adapted Accessions

open access: yesFrontiers in Plant Science, 2018
Climate change is expected to increase drought periods and the performance and dispersal of some invasive species such as Tetranychus evansi, which has been reported to take advantage of the nutritional changes induced by water-shortage on the tomato ...
Miguel G. Ximénez-Embún   +5 more
doaj   +1 more source

Home - About - Disclaimer - Privacy