Results 51 to 60 of about 3,292 (182)

Mechanochemistry with Metallosupramolecular Polymers [PDF]

Journal of the American Chemical Society, 2014
The transduction of mechanical force into useful chemical reactions is an emerging design approach to impart soft materials with new functions. Here, we report that mechanochemical transductions can be achieved in metallosupramolecular polymers. We show that both reversible and irreversible reactions are possible and useful to create mechanically ...
Balkenende, Diederik W. R., Coulibaly, Souleymane, Balog, Sandor, Simon, Yoan C., Fiore, Gina L., Weder, Christoph   +5 more
openaire   +4 more sources

Nitrooxylation in Organic Synthesis: From Classical Nitrate Ester Formation to Modern Catalytic Strategies

Chemistry – A European Journal, EarlyView.
Nitrooxylation—the installation of nitrate esters (–ONO2) has evolved from classical mixed‐acid protocols to catalytic and mechano‐, flow‐, photo‐, and electrochemical strategies. This review delineates ionic and radical manifolds for C–ONO2 bond formation, emphasizing mechanistic control, selected substrate scope, and selectivity.
Jayanta Dey, Dmitry Katayev
wiley   +1 more source

Mechanochemistry: Fundamental Principles and Applications

Advanced Science
Mechanochemistry is an emerging research field at the interface of physics, mechanics, materials science, and chemistry. Complementary to traditional activation methods in chemistry, such as heat, electricity, and light, mechanochemistry focuses on the ...
Liang Dong, Luofei Li, Huiyan Chen, Yi Cao, Hai Lei   +4 more
doaj   +1 more source

Mild C─F Activation of Azido(per)Fluoroalkanes

Chemistry – A European Journal, EarlyView.
Mild and selective activation of C(sp3)–F bonds in azido(per)fluoroalkanes using thiolates was developed, leading to novel functionalized azides. The reaction is initiated by nucleophilic attack of the sulfur atom to the terminal nitrogen of the azido group, followed by fluoride ion elimination.
Olena Shaitanova, María Martínez Mallo, Sergii Suikov, Blanka Klepetářová, Josef Filgas, Petr Slavíček, Lucie Bednárová, Petr Beier   +7 more
wiley   +1 more source

Tailored Nanogel Network Topology Enables Clinical Ultrasound‐Induced Mechanochemical Activation for In Vivo Therapy

Angewandte Chemie, Volume 138, Issue 30, 20 July 2026.
The strategy of engineering nanogel network topology is developed to achieve iterative activation of mechanophores upon high‐frequency and low‐intensity ultrasound. This places the nanogel system among the systems that can respond to the ultrasound with the highest frequency and lowest intensity as well as have the fastest activation rate so far.
Helin Li, Fangyin Song, Xiaoye Hu, Li Jing, Qi Shuai, Weike Su, Andrij Pich, Xin Li   +7 more
wiley   +2 more sources

Topological Mechanochemistry of Graphene [PDF]

, 2013
In view of a formal topology, two common terms, namely, connectivity and adjacency, determine the quality of C-C bonds of sp2 nanocarbons. The feature is the most sensitive point of the inherent topology of the species so that such external action as mechanical deformation should obviously change it and result in particular topological effects.
Sheka E.F., Popova V.A., Popova N.A.
openaire   +5 more sources

Tribochemical Surface Modification of Silicon

Chemistry – A European Journal, EarlyView.
Mechanical scribing activates silicon surfaces by generating reactive sites that spontaneously graft alcohol‐, thiol‐, and alkyne‐terminated molecules under ambient conditions. Within 10 s, high‐coverage, electroactive organic layers form without light, heat, or applied voltage, offering a rapid tribochemical route to functional silicon interfaces for ...
Abdulrahman O. Abdulrahman, Kieran Reeve, Zane Datson, Tiexin Li, Melanie MacGregor, Simone Ciampi, Nadim Darwish   +6 more
wiley   +1 more source

The Mechanochemistry of Molecular Motors [PDF]

Biophysical Journal, 2000
A theory of molecular motors is presented that explains how the energy released in single chemical reactions can generate mechanical motion and force. In the simplest case the fluctuating movements of a motor enzyme are well described by a diffusion process on a two-dimensional potential energy surface, where one dimension is a chemical reaction ...
Keller, David, Bustamante, Carlos
openaire   +2 more sources

Sustainable Revival of Spent Lithium Iron Phosphate Cathodes in Li‐Ion Batteries: Recycling and Surface Engineering Approaches

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Schematic illustration of the lifecycle of LiFePO4 cathodes. Lithiation and delithiation reactions happen through its discharging and charging processes. Recycling pathways including hydrometallurgy, pyrometallurgy, and direct regeneration enable sustainable reuse of spent LFP materials. Surface modification approaches (carbon, polymer, and metal/metal
Yan He, Ruigang Wang
wiley   +1 more source

Functional Polymers Through Mechanochemistry [PDF]

CHIMIA, 2019
Abstract: While coupling mechanical and chemical processes is widespread in living organisms, the idea to harness the mechanically induced dissociation of weak covalent and non-covalent bonds to create artificial materials that respond to mechanical stimulation has only recently gained attention.
Schrettl, Stephen, Balkenende, Diederik W. R., Calvino, Céline, Karman, Marc, Lavrenova, Anna, Neumann, Laura N., Sagara, Yoshimitsu, Verde-Sesto, Ester, di Giannantonio, Michela, Simon, Yoan C., Fromm, Katharina M., Lattuada, Marco, Weder, Christoph   +12 more
openaire   +4 more sources