Results 21 to 30 of about 2,314 (174)

RTK/Ras/MAPK signaling [PDF]

open access: yesWormBook, 2006
Receptor Tyrosine Kinase (RTK)/Ras GTPase/MAP kinase (MAPK) signaling pathways are used repeatedly during metazoan development to control many different biological processes. In the nematode Caenorhabditis elegans, two different RTKs (LET-23/EGFR and EGL-15/FGFR) are known to stimulate LET-60/Ras and a MAPK cascade consisting of the kinases LIN-45/Raf,
openaire   +2 more sources

A nagyvárosi lakosság szubjektív biztonságérzetének javíthatósága

open access: yesBelügyi Szemle
A szerző tanulmányában az állampolgárok szubjektív biztonságérzetét vizsgálja, javaslatokat fogalmaz meg a hatékonyság megteremtése érdekében.
Sándor Kovács   +3 more
doaj   +1 more source

RTK/Pseudolite/LAHDE/IMU-PDR Integrated Pedestrian Navigation System for Urban and Indoor Environments

open access: yesSensors, 2020
This paper presents an evaluation of real-time kinematic (RTK)/Pseudolite/landmarks assistance heuristic drift elimination (LAHDE)/inertial measurement unit-based personal dead reckoning systems (IMU-PDR) integrated pedestrian navigation system for urban
Ruihui Zhu   +9 more
doaj   +1 more source

Epigenetic regulation of RTK signaling [PDF]

open access: yesJournal of Molecular Medicine, 2017
Receptor tyrosine kinase (RTK) signaling cascades coordinate intracellular signaling in response to growth factors, chemokines, and other extracellular stimuli to control fundamental biological processes such as cellular proliferation, metabolism, and survival.
Jennifer M, Spangle, Thomas M, Roberts
openaire   +2 more sources

RTK Phosphorylation

open access: yesThe FASEB Journal, 2012
A homogeneous multiplex immunoassay for RTK phosphorylation state that is adaptable to HTS Jane Schmidt, Ph.D., Judy Haning, Shaya Anderson, Richard Fuerstenberg. R&D Systems, Inc. Minneapolis, MN Receptor Tyrosine Kinases (RTKs) are widely expressed transmembrane protein receptors for various extracellular ...
Jane Schmidt, Jane Schmidt
openaire   +1 more source

Parsimony and complexity: Cell fate assignment in the developing Drosophila eye

open access: yesFly, 2017
The specification of the R7 photoreceptor in the Drosophila eye has become a classic model for understanding how cell fates are assigned in developing systems.
Yannis Emmanuel Mavromatakis   +1 more
doaj   +1 more source

On the accuracy of low-cost dual-frequency GNSS network receivers and reference data

open access: yesGIScience & Remote Sensing, 2020
The trend in spatial data accuracy has gone from meters to decimeters and even centimeter levels in the last two decades. In large part, the centimeter(s) level spatial accuracies of geospatial products result from the use of LiDAR data and both low ...
Michael E. Hodgson
doaj   +1 more source

Posicionamento GNSS em Tempo Real: Evolução, Aplicações Práticas e Perspectivas para o Futuro

open access: yesRevista Brasileira de Cartografia, 2020
O posicionamento em tempo real por meio do emprego dos sinais de satélites foi um avanço nas navegações aérea, marítima e terrestre com o surgimento do GPS (Global Positioning System).
Claudia Pereira Krueger   +4 more
doaj   +1 more source

Current Situation of GNSS Networks in Romania

open access: yesBulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca: Horticulture, 2019
Nowadays, the need for a more precise positioning is a very high, therefore very demanding one, and this is one of the reasons why very large research funding is allocated in satellite technology, the second reason being global geopolitics situation. New
Alexandru Iulian ILIESCU   +4 more
doaj   +1 more source

Review of PPP–RTK: achievements, challenges, and opportunities

open access: yesSatellite Navigation, 2022
The PPP–RTK method, which combines the concepts of Precise of Point Positioning (PPP) and Real-Time Kinematic (RTK), is proposed to provide a centimeter-accuracy positioning service for an unlimited number of users.
Xingxing Li   +6 more
doaj   +1 more source

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