Results 71 to 80 of about 33,147 (342)

Ionic–Bionic Interfaces: Advancing Iontronic Strategies for Bioelectronic Sensing and Therapy

open access: yesAdvanced Science, EarlyView.
Ionic–bionic interfaces for bioelectronics leverage ions as multifunctional mediators that combine mechanical compliance, ionic and electronic functionalities, and therapeutic effects. These systems offer real‐time biosignal transduction, effective wound dressing, responsive drug delivery, and seamless interaction between soft tissues and electronic ...
Yun Goo Ro   +6 more
wiley   +1 more source

Synthesis of ureas in the bio-alternative solvent Cyrene [PDF]

open access: yes, 2017
Cyrene as a bio-alternative solvent: a highly efficient, waste minimizing protocol for the synthesis of ureas from isocyanates and secondary amines in the bio-available solvent Cyrene is reported. This method eliminated the use of toxic solvents, such as
Bousfield, Thomas W.   +3 more
core   +1 more source

AI‐Directed 3D Printing of Hierarchical Polyurethane Foams

open access: yesAdvanced Science, EarlyView.
Digitally guided direct ink writing, combined with AI‐generated design, enables the fabrication of hierarchical polyurethane foams with tunable multiscale porosity. This approach produces architected foams featuring interconnected open‐cell networks and tailored mechanical properties, advancing the development of adaptive, high‐performance materials ...
Dhanush Patil   +15 more
wiley   +1 more source

isocyanates [PDF]

open access: yes, 2014
Citation: 'isocyanates' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.I03269 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +1 more source

Reactions of 3-amino-1,2,4-triazine with coupling reagents and electrophiles

open access: yesHeterocyclic Communications, 2022
Analogs of a new heterocyclic system were obtained from the reactions of 3-amino-1,2,4-triazine with coupling reagents such as boronic acids, and terminal alkynes in the presence of a palladium catalyst.
Bvumbi Mpelegeng Victoria   +3 more
doaj   +1 more source

Universal Solvent Escape Strategies for Efficient Curing of Hydrogen‐Bond‐Rich 3D Printing Inks

open access: yesAdvanced Science, EarlyView.
This study developed a new 3D printing method for hydrogen‐bonded polymers by combining solvent replacement, nanoparticles, and optimized printing paths. This allows fast, precise scaffold fabrication. The scaffolds can be easily customized and release therapeutic agents slowly through protonation, enabling personalized bone, blood vessel, and nerve ...
Jie Chen   +11 more
wiley   +1 more source

New polyurethanes from oxypropylated olive stone [PDF]

open access: yes, 2012
The purpose of this work is to explore the possibility of chemically modifying the generated polyols (oxypropylated olive stone) through reactions with isocyanates to produce polyurethanes, other than rigid polyurethane foams.
Barbosa, Mariana Martinho   +3 more
core  

Unusual reactivity of N-acyl imides: N-aroyl-1,2,4-dithiazolidine-3,5-diones as acyl isocyanate equivalents. [PDF]

open access: yes, 2008
Crystalline samples of three N-aroyl-1,2,4-dithiazolidine-3,5-diones have been prepared as the first examples of a novel class of compound that displays the reactivity of an acyl isocyanate when treated with ...
Arbuzov   +19 more
core   +1 more source

Encapsulating Textiles with Dynamic Covalent Networks for Sustainable and Efficient Oil Spill Cleanup

open access: yesAdvanced Science, EarlyView.
By encapsulating industrially relevant fabrics with dynamic imine networks, we show that the resulting composites exhibit exceptional oil absorbtion capability and chemical recyclability. It is poised for sustainable oil spill cleanup. ABSTRACT The development of high‐performance sorbents for oil spill remediation is highly desirable, which now calls ...
Changyi You   +9 more
wiley   +1 more source

L’expectoration induite, outil de diagnostic de l’asthme professionnel [PDF]

open access: yes, 2006
Le diagnostic de l’asthme professionnel (AP) repose essentiellement sur la mise en évidence de changements fonctionnels respiratoires consécutifs à une exposition à des agents présents en milieu de travail.
Lemière, Catherine, Malo, Jean-Luc
core   +1 more source

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