Results 51 to 60 of about 54,410 (311)

Three phosphatase families form a community: The phosphohydrolases that act upon inositol pyrophosphates

open access: yesFEBS Letters, EarlyView.
Inositol pyrophosphates are energy‐rich signaling molecules that perform critical functions in cells. Three different families of phosphatases hydrolyze the β phosphate of the inositol pyrophosphate molecules: two have narrow specificities and one is promiscuous.
Ronda J. Rolfes
wiley   +1 more source

Robot lego para simular el desplazamiento tipo motocicleta

open access: yesVisión Electrónica, 2015
El grupo de investigación en Robótica Móvil Autónoma “ROMA” de la Facultad Tecnológica de la Universidad Distrital Francisco José de Caldas (Colombia), presenta en este documento los avances de la investigación del desarrollo de un robot móvil de dos ...
Sebastián C. Gómez Castañeda   +2 more
doaj   +1 more source

Reconstructing enzyme evolution by protein engineering

open access: yesFEBS Letters, EarlyView.
Natural enzyme evolution can be retraced by protein engineering methods such as directed evolution, rational design, and ancestral sequence reconstruction. These approaches reveal how enzymes emerged from ligand‐binding scaffolds, developed varying substrate preferences, formed oligomeric complexes, adapted to environmental changes, and evolved novel ...
Lukas Drexler   +2 more
wiley   +1 more source

Abordagens autonômicas para qualidade de serviço da comunicação em redes de sensores sem fio densas com requisitos temporais [PDF]

open access: yes, 2012
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Elétrica, Florianópolis, 2010Em Redes de Sensores Sem Fio (RSSF), a fusão de dados com restrições temporais pode ser utilizada para ...
Pinto, Alex Sandro Roschildt
core  

Optimización utilizando lógica difusa de dispositivo de análisis de componentes químicos de ingredientes naturales basados en el internet de las cosas IoT

open access: yesRevista Científica, 2017
En el presente artículo, se presenta la optimización utilizando lógica difusa de un dispositivo conformado por una báscula con sensores integrados. Los cuales permiten identificar los alimentos y realizar un análisis químico, con el fin de identificar ...
Karen Vanessa Angulo-Sogamoso   +2 more
doaj   +1 more source

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

open access: yesMolecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

Los sensores ópticos en la agricultura digital

open access: yes, 2020
Uso de los sensores ópticos en la agricultura digital: tipos, características y posibilidades de ...
Valero Ubierna, Constantino
core  

Desenvolvimento de um sistema on-line de monitoramento de entreferro utilizando sensores capacitivos [PDF]

open access: yes, 2022
MILANEZ, José Renato Castro. Desenvolvimento de um sistema on-line de monitoramento de entreferro utilizando sensores capacitivos. 2006. 158 f. Dissertação (Mestrado em Engenharia Elétrica) – Universidade Federal de Itajubá, Itajubá, 2006.MILANEZ, José ...
MILANEZ, José Renato Castro
core  

Arquitectura de IoT para el Monitoreo de Emisiones de Gases Contaminantes de Vehículos y su Validación a través de Machine Learning

open access: yesIngenius: Revista de Ciencia y Tecnología
Este estudio propone una arquitectura IoT para el monitoreo de emisiones de gases contaminantes en vehículos, en respuesta a la creciente preocupación por la contaminación del aire y el calentamiento global.
Washington Torres Guin   +3 more
doaj   +1 more source

Unmanned aerial vehicle for fire surveillance and monitoring

open access: yesRevista Iberoamericana de Automática e Informática Industrial RIAI, 2020
Forest fires continue to be one of the major environmental problems facing society today. In addition to the high environmental impact, the destruction of ecosystems and possible human losses, the economic costs of fire-fighting must be added.
Á. Madridano   +5 more
doaj   +1 more source

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