Results 51 to 60 of about 44,767 (191)

Polyoxometalate (POM)-layered double hydroxides (LDH) composite materials: design and catalytic applications [PDF]

open access: yes, 2017
Layered double hydroxides (LDHs) are an important large class of two-dimensional (2D) anionic lamellar materials that possess flexible modular structure, facile exchangeability of inter-lamellar guest anions and uniform distribution of metal cations in ...
Li, Tengfei   +2 more
core   +1 more source

Phytotoxicity, Cytotoxicity, and Antimicrobial Activity of Triethanolammonium Amino Acids Salts

open access: yesMolecules
The growing use of ionic liquids (ILs) necessitates an understanding of their environmental impact and toxicity levels. In this study, a series of amino acid-based ionic liquids containing the triethanolammonium (TEA) cation were evaluated for their ...
Barbara Hanna Roman   +5 more
doaj   +1 more source

Implementation of Amino Acid as a Natural Feedstock in Production of N-Acylamides as a Biocompatible Surfactants: A Review on Synthesis, Behavioral, Application and Scale-up Process [PDF]

open access: yesJournal of Pure and Applied Chemistry Research, 2022
The use of surfactants is extremely widespread for human life. The development of the use of surfactants has not reached detergents anymore, but for drug delivery, biolubricant, emulsifier, cosmetics, enhanced oil recovery (EOR), dispersants and even ...
Widharta Surya Alam   +4 more
doaj  

Designer molecular probes for phosphonium ionic liquids [PDF]

open access: yes, 2010
Investigations into the extent of structuring present in phosphonium based ionic liquids (ILs) have been carried out using photochromic molecular probes.
Armand   +46 more
core   +1 more source

Sulfanilic acid-modified chitosan mini-spheres and their application for lysozyme purification from egg white [PDF]

open access: yes, 2018
A cation exchange matrix with zwitterionic and multimodal properties was synthesized by a simple reaction sequence coupling sulfanilic acid to a chitosan based support. The novel chromatographic matrix was physico-chemically characterized by ss-NMR and ζ
Baieli, María Fernanda   +7 more
core   +1 more source

Ionization basis for activation of enzymes soluble in ionic liquids [PDF]

open access: yes, 2016
BACKGROUND: The complex interactions between electrolytes and proteins have been studied for more than a century. However, understanding is not yet complete and does not provide a basis for predicting the activity of enzymes in ionic media.
Halling, Peter, He, Biyan, Ou, Guangnan
core   +1 more source

Influence of Sulfur-Containing Diamino Acid Structure on Covalently Crosslinked Copolypeptide Hydrogels. [PDF]

open access: yes, 2018
Biologically occurring non-canonical di-α-amino acids were converted into new di-N-carboxyanhydride (di-NCA) monomers in reasonable yields with high purity.
Deming, Timothy J   +4 more
core   +1 more source

Ni(II)-PPP Complexes: From the Hydroamination of Activated Olefins to the Synthesis of ?-Amino Acids

open access: yesCHIMIA, 2004
Complexes of the type [Ni(PPP)(solvent)]X2 containing ferrocenyl tridentate ligands have been prepared and used as catalysts in the asymmetric hydroamination of activated olefins (i.e. bearing an electron-withdrawing group).
Luca Fadini, Antonio Togni
doaj   +1 more source

Characterization of the acidity and basicity of green solvents by NMR techniques

open access: yesMagnetic Resonance Letters, 2021
The acidity and basicity of the solvents can influence the reaction outcome notably, and hence the precise measurement of pH is important for reaction.
Kemeng Shi   +5 more
doaj   +1 more source

How Water's Properties Are Encoded in Its Molecular Structure and Energies. [PDF]

open access: yes, 2017
How are water's material properties encoded within the structure of the water molecule? This is pertinent to understanding Earth's living systems, its materials, its geochemistry and geophysics, and a broad spectrum of its industrial chemistry. Water has
Brini, Emiliano   +5 more
core   +1 more source

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