Results 41 to 50 of about 381,581 (301)

Construction of Carbon Nanotube-based Composite Membrane with Electron-ion Double Transfer Function and its Electrically Driven Ion Separation Performance

open access: yesTaiyuan Ligong Daxue xuebao, 2023
The construction of electroactive ion separation membranes with dual functions of electron and ion transfer is a key technology in the field of electronchemically switched ion permselectivity membrane (ESIPM) separation.
Xiaogang WU   +6 more
doaj   +1 more source

Mapping the evolution of mitochondrial complex I through structural variation

open access: yesFEBS Letters, EarlyView.
Respiratory complex I (CI) is crucial for bioenergetic metabolism in many prokaryotes and eukaryotes. It is composed of a conserved set of core subunits and additional accessory subunits that vary depending on the organism. Here, we categorize CI subunits from available structures to map the evolution of CI across eukaryotes. Respiratory complex I (CI)
Dong‐Woo Shin   +2 more
wiley   +1 more source

Grafting Thin Layered Graphene Oxide onto the Surface of Nonwoven/PVDF-PAA Composite Membrane for Efficient Dye and Macromolecule Separations

open access: yesNanomaterials, 2020
This study investigates the permeance and rejection efficiencies of different dyes (Rhodamine B and methyl orange), folic acid and a protein (bovine serum albumin) using graphene oxide composite membrane. The ultrathin separation layer of graphene oxide (
Febri Baskoro   +2 more
doaj   +1 more source

Porous composite membrane based on organic substrate for molecular sieving: Current status, opportunities and challenges

open access: yesAdvanced Membranes, 2022
Membrane materials with excellent selectivity and high permeability are the key for high-efficiency membrane separation. New-type porous materials have developed as ideal building blocks for molecular sieving membranes due to their inherent properties ...
Zehai Xu   +5 more
doaj   +1 more source

Permeability and chemical analysis of aromatic polyamide based membranes exposed to sodium hypochlorite [PDF]

open access: yes, 2011
In this study, a cross-linked aromatic polyamide based reverse osmosis membrane was exposed to variable sodium hypochlorite ageing conditions (free chlorine concentration, solution pH) and the resulting evolutions of membrane surface chemical and ...
Aimar, Pierre   +4 more
core   +2 more sources

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Silk Nanofibril-Palygorskite Composite Membranes for Efficient Removal of Anionic Dyes

open access: yesNanomaterials, 2023
To develop membrane materials with good performance for water purification that are green and low cost, this work reports an organic–inorganic composite membrane composed of silk nanofibrils (SNFs) and palygorskite (PGS).
Xu-rui Wang   +5 more
doaj   +1 more source

Improved inorganic ion exchange membranes [PDF]

open access: yes, 1969
New method makes solid ion exchange membrane electrolytes for use in hydrocarbon-oxygen and hydrogen-oxygen fuel cells.
Arrance, F. C.   +2 more
core   +1 more source

Cytoskeleton influence on normal and tangent fluctuation modes in the red blood cells

open access: yes, 2006
We argue that the paradoxal softness of the red blood cells (RBC) in fluctuation spectra experiments is apparent. We show that the effective surface shear modulus $\mu_s$ of the RBC obtained from fluctuation data and that measured in static deformation ...
Lorman, V. L., Rochal, S. B.
core   +3 more sources

Use of nanoporous ceramic membranes for carbon dioxide separation [PDF]

open access: yes, 2016
Natural gas processes accounts for about 5.3 billion tonnes per year of carbon dioxide (CO2) emission to the atmosphere. At this rate of emission, the expectation will drastically rise if not curtailed.
Gobina, E., Kajama, M. N., Nwogu, N. C.
core   +1 more source

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