Results 51 to 60 of about 3,111,441 (321)

Evaluation of Electro-Optic Behaviour of Chiral Smetic Liquid Crystals Dispalys with V-shaped response [PDF]

open access: yes, 2003
In the last years, chiral smectic liquid crystals with V-shaped electro-optic response have been reported as one of the most promising technologies for display applications.
Urruchi del Pozo, Virginia   +3 more
core   +2 more sources

A New Bubbling Extraction Tower: Toward Liquid-Liquid Solvent Extraction at Large Aqueous-to-Oil Phase Ratios

open access: yes, 2015
Enrichment and recovery of valuable components in industrial waste waters by traditional liquid-liquid solvent extraction is not economic due to extremely low concentrations of those targets. Large-phase-ratio extraction exhibits potential advantages for
Liu, Jie   +3 more
core   +1 more source

Emerging experimental and computational methods for studying redox‐regulated structural transitions

open access: yesFEBS Letters, EarlyView.
Redox reactions can reshape proteins and alter how they behave in cells, with important consequences for health and disease. This review explores emerging experimental and computational approaches for discovering these redox‐sensitive protein switches, revealing their structural effects, and predicting their behavior, opening new opportunities to ...
Tasneem Rass   +2 more
wiley   +1 more source

Investigation on hollow fiber based liquid-liquid-liquid micro-extraction with different driving forces

open access: yes, 2011
Investigation on hollow fiber based liquid-liquid-liquid micro-extraction with different driving ...
沈铮, 关亚风, 吴倩, 吴大朋
core   +1 more source

Functional comparison of EncB and EncC cargo proteins in iron storage within the Myxococcus xanthus encapsulin

open access: yesFEBS Letters, EarlyView.
Encapsulins are protein nanocompartments that play an important role in iron storage. In the Myxococcus xanthus encapsulin system, two cargo proteins called EncB and EncC contribute to iron mineralization. Here, we show that EncB and EncC generate iron‐containing minerals with distinct chemical compositions, suggesting that the composition of stored ...
Harry B. McDowell   +2 more
wiley   +1 more source

Liquid–liquid extraction: thermodynamics–kinetics driven processes explored by microfluidics

open access: yesComptes Rendus. Chimie, 2022
Liquid–liquid extraction processes, characterized on-line by instrumented microfluidic platform, significantly enhance the development of predictive thermodynamic models, such as ienaics, and lay the foundations for new approaches to improve kinetic ...
Olivier, Fabien   +3 more
doaj   +1 more source

Structural and biochemical analysis of a B12 superbinder

open access: yesFEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices   +3 more
wiley   +1 more source

Extraction on Paper, an Active Learning Technique to Facilitate Student Understanding of Liquid-Liquid Extraction [PDF]

open access: yes, 2019
Undergraduate students often find it difficult to understand the chemical principles underlying liquid-liquid extractions. Explanations on how extractions work at the molecular level in textbook and internet resources are plentiful, but students still do
Renee, Link   +3 more
core   +2 more sources

Critical Fluctuations in Liquid-Liquid Extraction Organic Phases Controlled by Extractant and Diluent Molecular Structure [PDF]

open access: yes, 2023
Extractant aggregation in liquid-liquid extraction organic phases impacts extraction energetics and is related to the deleterious efficiency-limiting liquid-liquid phase transition known as third phase formation.
Pubudu, Wimalasiri   +17 more
core   +2 more sources

Structures of mycobacterial 3‐methylcrotonyl‐CoA carboxylase reveal carrier‐domain translocation between catalytic sites

open access: yesFEBS Letters, EarlyView.
Mycobacterial 3‐methylcrotonyl‐CoA carboxylase uses a mobile biotin‐carrying domain to shuttle a carboxyl group between two catalytic sites, enabling carboxylation of 3‐methylcrotonyl‐CoA during leucine breakdown. Cryo‐electron microscopy captures the carrier at both sites and reveals an inward loop movement that may prevent futile rebinding to the ...
Ajit Yadav   +2 more
wiley   +1 more source

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