Results 41 to 50 of about 392,552 (294)

Self-healing hydrogels based on reversible noncovalent and dynamic covalent interactions: A short review

open access: yesSupramolecular Materials, 2023
The self-healing capability of a material refers to its ability to autonomously heal fractures or defects and restore its original structures and functionalities.
Meng Wu, Linbo Han, Bin Yan, Hongbo Zeng
doaj   +1 more source

Anion–arene adducts: C–H hydrogen bonding, anion– interaction, and carbon bonding motifs [PDF]

open access: yes, 2008
This article summarizes experimental and theoretical evidence for the existence of four distinct binding modes for complexes of anions with charge-neutral arenes.
Bryantsev, Vyacheslav S.   +1 more
core   +1 more source

A hard metallic material: Osmium Diboride

open access: yes, 2006
We calculate the structural and electronic properties of OsB2 using density functional theory with or without taking into account spin-orbit (SO) interaction.
D. M. Teter   +9 more
core   +1 more source

Beryllium Bonding in the Light of Modern Quantum Chemical Topology Tools [PDF]

open access: yes, 2018
We thank the Spanish MINECO, grant CTQ2015-6.5790-P, the FICyT, grant GRUPIN14-049, and the European Union FEDER for funding. F.J.-G.
Casals Sainz, José Luis   +4 more
core   +1 more source

Structural instability impairs function of the UDP‐xylose synthase 1 Ile181Asn variant associated with short‐stature genetic syndrome in humans

open access: yesFEBS Letters, EarlyView.
The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li   +2 more
wiley   +1 more source

Superconductivity near a ferroelectric quantum critical point in ultralow-density Dirac materials

open access: yes, 2019
The experimental observation of superconductivity in doped semimetals and semiconductors, where the Fermi energy is comparable to or smaller than the characteristic phonon frequencies, is not captured by the conventional theory. In this paper, we propose
Bi, Zhen   +2 more
core   +1 more source

Role of covalent Fe-As bonding in the magnetic moment formation and exchange mechanisms in iron-pnictide superconductors [PDF]

open access: yes, 2008
The electronic origin of the huge magnetostructural effect in layered Fe-As compounds is elucidated using LiFeAs as a prototype. The crucial feature of these materials is the strong covalent bonding between Fe and As, which tends to suppress the exchange
Antropov, V. P., Belashchenko, K. D.
core   +4 more sources

Covalent and non‐covalent interaction of chymotrypsin with α2‐macroglobulin

open access: yesFEBS Letters, 1987
The pattern of covalent crosslinking between human α2‐macroglobulin (α2M) and chymotrypsin has been investigated by chromatography and polyacrylamide gel electrophoresis in denaturing medium. Reaction with a single mol of chymotrypsin per mol α2M results in the formation of a 95% covalent 1:1 chymotrypsin‐α2M complex and in the proteolytic cleavage of ...
Pochon, François   +3 more
openaire   +2 more sources

Molecular balances for quantifying non-covalent interactions [PDF]

open access: yesChemical Society Reviews, 2010
Molecular interactions underlie the whole of chemistry and biology. This tutorial review illustrates the use of rotameric folding molecules, topoisomers, atropoisomers, and tautomers as molecular balances for quantifying non-covalent interactions.
Mati, Ioulia K, Cockroft, Scott L
openaire   +3 more sources

Cell wall target fragment discovery using a low‐cost, minimal fragment library

open access: yesFEBS Letters, EarlyView.
LoCoFrag100 is a fragment library made up of 100 different compounds. Similarity between the fragments is minimized and 10 different fragments are mixed into a single cocktail, which is soaked to protein crystals. These crystals are analysed by X‐ray crystallography, revealing the binding modes of the bound fragment ligands.
Kaizhou Yan   +5 more
wiley   +1 more source

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