Results 111 to 120 of about 190,722 (315)

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Effective thermal conductivity in HTS coils

open access: yes, 2000
We present a numerical model to determine the effective thermal conductivity in high-Tc superconducting (HTS) coils. The model, based on the heat conduction equation solved with the finite element method, will help us to compute the temperature ...
Paasi, Jaakko; id_orcid   +2 more
core   +1 more source

Effective thermal conductivity prediction model for vacuum insulation cores

open access: yesResults in Engineering
Accurate prediction of thermal conductivity of porous granular materials enables the identification and rapid optimisation of new composite core materials for Vacuum Insulation Panels (VIPs). To date, no computer model has reported the use of multi-sized
Dron Kaushik   +2 more
doaj   +1 more source

Research on non-dispersion effective electrical parameters of periodic mixed materials

open access: yes四川大学学报. 自然科学版, 2022
Dispersion properties are an important feature of electrical parameters of mixed materials, and have always attracted the attention of many scholars, but there are few researches on dispersion-free properties of periodic mixed materials.
HE Zhi-Li   +4 more
doaj  

Diversity and complexity in neural organoids

open access: yesFEBS Letters, EarlyView.
Neural organoid research aims to expand genetic diversity on one side and increase tissue complexity on the other. Chimeroids integrate multiple donor genomes within single organoids. Self‐organising multi‐identity organoids, exogenous cell seeding, or enforced assembly of region‐specific organoids contribute to tissue complexity.
Ilaria Chiaradia, Madeline A. Lancaster
wiley   +1 more source

Boiling on fins with wire screen of variable effective conductivity

open access: yesEPJ Web of Conferences, 2017
The high scale of integration of modern equipment used for medical, military and other purposes puts heavy demands as regards the removal of great heat fluxes. This can be achieved only in exchangers that apply the phase change phenomena.
Orzechowski Tadeusz
doaj   +1 more source

pH‐mediated activation of the lysosomal arginine sensor SLC38A9

open access: yesFEBS Letters, EarlyView.
Cells monitor nutrient levels via the lysosomal transporter SLC38A9 to activate the mechanistic target of rapamycin complex 1 (mTORC1). This study reveals that SLC38A9 function is regulated by pH. We identified histidine 544 as a critical pH sensor that undergoes conformational changes to control amino acid efflux from lysosomes; therefore, it ...
Xuelang Mu, Ampon Sae Her, Tamir Gonen
wiley   +1 more source

Structure – Property relationships for nanofluids

open access: yes, 2011
This paper was presented at the 3rd Micro and Nano Flows Conference (MNF2011), which was held at the Makedonia Palace Hotel, Thessaloniki in Greece.
Ding, Y   +3 more
core  

Residual tail twisting in ascidian larvae is stabilized by asymmetric myofibrils that resist bilateral symmetry restoration

open access: yesFEBS Letters, EarlyView.
Ascidian Ciona larvae initially show strong clockwise tail twisting, which is largely corrected during development. However, a small residual twist remains. This study shows that organized helical myofibrils in tail muscles mechanically stabilize this residual asymmetry, preventing complete restoration of bilateral symmetry and revealing how embryos ...
Yuki S. Kogure   +3 more
wiley   +1 more source

Compressive Pressure Dependent Anisotropic Effective Thermal Conductivity of Granular Beds

open access: yes, 2011
In situ planetary thermal conductivity measurements are typically made using a long needle-like probe, which measures effective thermal conductivity in the probe’s radial (horizontal) direction.
Daniel Garrett   +3 more
core   +1 more source

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