Results 41 to 50 of about 27,114 (247)

Effects of grain size distribution on the initial strain shear modulus of calcareous sand [PDF]

open access: yes, 2015
The soil’s small strain shear modulus, Gmax or G0, is applied in dynamic behavior analyses and is correlated to other soil properties (density and void ratio) for predicting soil dynamic behavior under seismic loadings such as earthquakes, machinery or ...
Haegeman, Wim   +4 more
core   +1 more source

Pulling and Stretching a Molecular Wire to Tune its Conductance

open access: yes, 2015
A scanning tunnelling microscope is used to pull a polythiophene wire from a Au(111) surface while measuring the current traversing the junction. Abrupt current increases measured during the lifting procedure are associated to the detachment of molecular
Björk J.   +9 more
core   +5 more sources

By dawn or dusk—how circadian timing rewrites bacterial infection outcomes

open access: yesFEBS Letters, EarlyView.
The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo   +2 more
wiley   +1 more source

Shear Flow and Large Amplitude Oscillation Shear Study of Solutions of Aggregating Micellar Casein Particles

open access: yesApplied Rheology, 2008
Small micellar casein particles were formed in aqueous solutions of native casein after addition of polyphosphate. These so-called submicelles aggregated and gelled with a rate that increased with increasing temperature.
Pitkowski Anne   +2 more
doaj   +1 more source

Electrical conductivity improvement of aeronautical carbon fiber reinforced polyepoxy composites by insertion of carbon nanotubes [PDF]

open access: yes, 2012
An increase and homogenization of electrical conductivity is essential in epoxy carbon fiber laminar aeronautical composites. Dynamic conductivity measurements have shown a very poor transversal conductivity.
Dantras, Eric   +3 more
core   +2 more sources

Structural insights into lacto‐N‐biose I recognition by a family 32 carbohydrate‐binding module from Bifidobacterium bifidum

open access: yesFEBS Letters, EarlyView.
Bifidobacterium bifidum establishes symbiosis with infants by metabolizing lacto‐N‐biose I (LNB) from human milk oligosaccharides (HMOs). The extracellular multidomain enzyme LnbB drives this process, releasing LNB via its catalytic glycoside hydrolase family 20 (GH20) lacto‐N‐biosidase domain.
Xinzhe Zhang   +5 more
wiley   +1 more source

Les polymères de mannose en production animale. 1. focus sur les structures chimiques rencontrées dans les aliments et les propriétés biologiques

open access: yesINRAE Productions Animales, 2021
Les polysaccharides à base de mannose sont très largement répandus dans le monde vivant. D’un organisme à un autre, la longueur du squelette de mannose, le type de liaison entre les sucres, la composition et la longueur des ramifications sont ...
Anne-Laure CHATEIGNER-BOUTIN   +4 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

Destruction des farines animales : valorisation des fractions lipidiques en biolubrifiants et additifs biocarburants, et du résidu protéique (ou de l’ensemble)

open access: yesINRAE Productions Animales, 2004
L’objectif des travaux est d’étudier la faisabilité de nouvelles voies d’élimination et de valorisation des farines animales. Nous abordons ici l’étude de deux voies de valorisation complémentaires et indépendantes: d’une part, la valorisation de la ...
Z. MOULOUNGUI   +3 more
doaj   +1 more source

Precise Synthesis and Thin Film Self-Assembly of PLLA-b-PS Bottlebrush Block Copolymers

open access: yesMolecules, 2021
The ability of bottlebrush block copolymers (BBCPs) to self-assemble into ordered large periodic structures could greatly expand the scope of photonic and membrane technologies.
Eunkyung Ji   +2 more
doaj   +1 more source

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