Results 41 to 50 of about 135,127 (291)

Covalent Adaptable Networks Based on Dynamic Alkoxyamine Bonds

open access: yesMacromolecular Materials and Engineering, 2022
AbstractCovalent adaptable networks (CANs) introduce a new paradigm to polymer science, by making static network polymers dynamic and thereby recyclable, reprocessable, and self‐healing. The critical feature in CANs is the presence of dynamic covalent linkages within the network structure. A variety of such linkages are introduced into CANs, making the
Yixuan Jia   +2 more
openaire   +3 more sources

Covalent adaptable networks using boronate linkages by incorporating TetraAzaADamantanes

open access: yesFrontiers in Chemistry, 2023
Boronic esters prepared by condensation of boronic acids and diols have been widely used as dynamic covalent bonds in the synthesis of both discrete assemblies and polymer networks.
Simon van Hurne   +2 more
doaj   +1 more source

Why do gallium clusters have a higher melting point than the bulk? [PDF]

open access: yes, 2003
Density functional molecular dynamical simulations have been performed on Ga$_{17}$ and Ga$_{13}$ clusters to understand the recently observed higher-than-bulk melting temperatures in small gallium clusters [Breaux {\em et al.}, Phys. Rev. Lett. {\bf 91},
D. G. Kanhere   +9 more
core   +2 more sources

Recent advances in dynamic covalent bond-based shape memory polymers

open access: yese-Polymers, 2022
Dynamic covalent bond-based shape memory polymers (DCB-SMPs) are one of most important SMPs which have a wide potential application prospect. Different from common strong covalent bonds, DCBs own relatively weak bonding energy, similarly to the ...
Peng Shuyi   +5 more
doaj   +1 more source

Characterization Techniques to Assess Recyclability in Dynamic Polymer Networks

open access: yesFrontiers in Materials, 2022
The inclusion of dynamic covalent bonds in cross-linked polymer networks enables material reprocessing towards a circular economy. Bond dynamicity in this class of materials, called covalent adaptable networks (CANs), is characterized by a mixture of ...
André B. Lagron   +2 more
doaj   +1 more source

Multiresponsive chromic soft materials: formation of strongly coupled σ-dimers from IndoloCarbazole-based biradicaloids [PDF]

open access: yes, 2018
Dynamic covalent chemistry is focused on the creation of structural scaffolds based on chemical components that interact through strong but reversible bonds.
Badía-Domínguez, Irene   +8 more
core  

Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing

open access: yesFEBS Letters, EarlyView.
Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley   +1 more source

Self-healing of cross-linked PU via dual-dynamic covalent bonds of a Schiff base from cystine and vanillin

open access: yesMaterials & Design, 2019
A Schiff base containing dual-dynamic covalent bonds synthesized from the biomaterials, cystine and vanillin, showed excellent reversibility under external stimuli by metatheses.
Sang-Hyub Lee, Se-Ra Shin, Dai-Soo Lee
doaj   +1 more source

The role of histone modifications in transcription regulation upon DNA damage

open access: yesFEBS Letters, EarlyView.
This review discusses the critical role of histone modifications in regulating gene expression during the DNA damage response (DDR). By modulating chromatin structure and recruiting repair factors, these post‐translational modifications fine‐tune transcriptional programmes to maintain genomic stability.
Angelina Job Kolady, Siyao Wang
wiley   +1 more source

Multiresponsive chromic soft materials: formation of macrocycles from carbazole-based biradicaloids [PDF]

open access: yes, 2018
-conjugated biradical compounds become essential building blocks in DCC (dynamic covalent chemistry).1 This field is based on the creation of structural scaffolds based on chemical components which interact through strong but reversible bonds ...
Ruíz-Delgado, María del Carmen
core  

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