Results 41 to 50 of about 3,944,654 (298)

N-Dopant-Mediated Growth of Metal Oxide Nanoparticles on Carbon Nanotubes

open access: yesNanomaterials, 2021
Metal oxide nanoparticles supported on heteroatom-doped graphitic surfaces have been pursued for several decades for a wide spectrum of applications. Despite extensive research on functional metal oxide nanoparticle/doped carbon nanomaterial hybrids, the
Jin Ah Lee   +3 more
doaj   +1 more source

Population Differentiation In Daphnia Alters Community Assembly In Experimental Ponds [PDF]

open access: yes, 2011
Most studies of community assembly ignore how genetic differentiation within species affects their colonization and extinction. However, genetic differentiation in ecologically relevant traits may be substantial enough to alter the colonization and ...
Juenger, Thomas E.   +2 more
core   +1 more source

Interplay between circadian and other transcription factors—Implications for cycling transcriptome reprogramming

open access: yesFEBS Letters, EarlyView.
This perspective highlights emerging insights into how the circadian transcription factor CLOCK:BMAL1 regulates chromatin architecture, cooperates with other transcription factors, and coordinates enhancer dynamics. We propose an updated framework for how circadian transcription factors operate within dynamic and multifactorial chromatin landscapes ...
Xinyu Y. Nie, Jerome S. Menet
wiley   +1 more source

Spatio-temporal relays control layer identity of direction-selective neuron subtypes in Drosophila

open access: yesNature Communications, 2018
Direction-selective T4/T5 neurons show layer-specific projections in the fly visual circuit. Examining the mechanisms behind their development, the authors found that a relay of Wnt and Bmp signaling across neuroepithelial domains and transcription ...
Holger Apitz, Iris Salecker
doaj   +1 more source

Multi-objective topology optimization and structural analysis of periodic spaceframe structures

open access: yesMaterials & Design, 2020
Reduction of structural weight provides significant benefits in many engineering applications. While methods to optimise structural shape and topology of both continuous solids and discrete frame structures have existed for a while, the advent of ...
Jarad Lim, Chao You, Iman Dayyani
doaj   +1 more source

RIOT: a simple graphical assembly tool [PDF]

open access: yes, 1982
Errors in the chip assembly process are harder to find than errors in cell design, since they belong to no specific part of the design, but rather to the assembly as a whole. Assembly errors are more costly than call design errors also, since they often
Rowson, Jim, Trimberger, Stephen
core  

Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing

open access: yesFEBS Letters, EarlyView.
Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley   +1 more source

Polar Grid Navigation Algorithm for Unmanned Underwater Vehicles

open access: yesSensors, 2017
To solve the unavailability of a traditional strapdown inertial navigation system (SINS) for unmanned underwater vehicles (UUVs) in the polar region, a polar grid navigation algorithm for UUVs is proposed in this paper.
Zheping Yan   +4 more
doaj   +1 more source

A 24 hour naproxen dose on gastrointestinal distress and performance during cycling in the heat

open access: yesSports Medicine and Health Science, 2020
Using a double-blind, randomized and counterbalanced, cross-over design, we assessed naproxen's effects on gastrointestinal (GI) distress and performance in eleven volunteers (6 male, 5 female). Participants completed 4 trials: 1) placebo and ambient); 2)
Dawn M. Emerson   +7 more
doaj   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

open access: yesFEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe   +3 more
wiley   +1 more source

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