Results 41 to 50 of about 7,829,285 (311)

Single-channel electrophysiology reveals a distinct and uniform pore complex formed by α-synuclein oligomers in lipid membranes. [PDF]

open access: yes, 2012
Synucleinopathies such as Parkinson's disease, multiple system atrophy and dementia with Lewy bodies are characterized by deposition of aggregated α-synuclein.
Felix Schmidt   +17 more
core   +2 more sources

Fractal Dimension of Digital 3D Rock Models with Different Pore Structures

open access: yesEnergies, 2022
The macroscopic physical properties of rocks are profoundly determined by their microstructure, and the research of accurately characterizing rock pore structure has been extensively carried out in the fields of petroleum engineering and geoscience ...
Xiaobin Li   +3 more
doaj   +1 more source

Hierarchically engineered nanochannel systems with pore-in/on-pore structures

open access: yesNPG Asia Materials, 2023
AbstractBiological ion channels featuring asymmetries in structure, composition, and charge distribution have superior controllable ion transport properties, such as ion selectivity, ion gating, and ion rectification, by which life executes diverse activities, including signal transduction, cell motility, and mass and energy transfer. Inspired by this,
Minmin Li   +3 more
openaire   +2 more sources

Pore-morphology-based pore structure characterization for various porous media

open access: yes, 2023
Quantitative characterization of pore structure plays an important role in predicting properties of porous media and it has significant applications in energy and chemical engineering.
Wenbin Jiang   +18 more
core   +2 more sources

Determining method of multiscale fractal dimension of red bed sandstone pores based on CT scanning

open access: yes地质科技通报, 2022
The distribution of pore structure inside rock has fractal characteristics in statistical sense, the determination of itsfractal dimension is of great significance to characterize the distribution law of pore structure quantitatively and reveal various ...
Zihan Zhang   +3 more
doaj   +1 more source

Recent developments in carbon nanotube membranes for water purification and gas separation [PDF]

open access: yes, 2010
Carbon nanotubes (CNTs) are nanoscale cylinders of graphene with exceptional properties such as high mechanical strength, high aspect ratio and large specific surface area.
Sears, Kallista   +16 more
core   +1 more source

Pore structure characterization based on joint numerical and experimental study: a case study of Nanpu Sag

open access: yesJournal of Petroleum Exploration and Production Technology, 2019
Petrophysical properties such as acoustic velocity, resistivity and nuclear magnetic resonance are greatly depending on the pore structures. This is because the pore structures could control the elastic modulus, conductive path and seepage distribution ...
Hatitao Li   +4 more
doaj   +1 more source

Quantitative two/three-dimensional spatial characterization and fluid transport prediction of macro/micropores in Gaomiaozi bentonite

open access: yesJournal of Rock Mechanics and Geotechnical Engineering, 2022
The sealing performance of a bentonite barrier is highly dependent on its seepage characteristics, which are directly related to the characteristics of its pore structure.
Jiangfeng Liu   +5 more
doaj   +1 more source

Pore pressures and strains after repeated loading of saturated clay [PDF]

open access: yes, 1974
Repeated and sustained loading tests on undrained samples of normally consolidated lacustrine clay are used to prove the existence of a relationship between pore water pressures and axial strains.The behavior of the clay is studied by investigating the ...
Greenwood, JR   +3 more
core   +1 more source

Fractal characterization of pore structure of coal with different ranks and its effect on methane adsorption characteristics

open access: yesMeikuang Anquan, 2023
The development of pore structure in coal reservoirs determines the adsorption performance of coal gas. The pore structure of three coal samples with different degrees of metamorphism, namely long-flame coal, coking coal and anthracite, was tested by low-
REN Shaokui, QIN Yujin, JIA Zongkai, SU Weiwei, LI Zhenrong
doaj   +1 more source

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