Results 31 to 40 of about 1,716 (161)

Azobenzene photocontrol of peptides and proteins [PDF]

Chemical Communications, 2016
Significant advances have been made in the use of light as a stimulus to control biomolecular interactions in biological systems. This article places recent developments in context, illustrating their importance.
Mart, Robert, Allemann, Rudolf
openaire   +3 more sources

Mechanochemical halogenation of unsymmetrically substituted azobenzenes

Beilstein Journal of Organic Chemistry, 2022
The direct and selective mechanochemical halogenation of C–H bonds in unsymmetrically substituted azobenzenes using N-halosuccinimides as the halogen source under neat grinding or liquid-assisted grinding conditions in a ball mill has been described ...
Dajana Barišić, Mario Pajić, Ivan Halasz, Darko Babić, Manda Ćurić   +4 more
doaj   +1 more source

Ten‐Membered Cyclic Azobenzene: Electrochemical Synthesis and Photochromic Properties

ChemElectroChem
Cyclic azobenzenes generally exhibit enhanced photophysical properties compared to conventional linear azobenzenes, such as visible‐light activation and exceptional thermal stability.
Qianqian Niu, Dan Li, Lijiao Guo, Xinyuan Sun, Yan Liu, Longjiu Cheng, Baokang Jin   +6 more
doaj   +1 more source

A Photomechanical Film in which Liquid Crystal Design Shifts the Absorption into the Visible Light Range

Advanced Science, 2023
Liquid crystalline polymer networks (LCN) with azobenzene monomers bend reversibly under UV‐light irradiation, combining photomechanical and photothermal effects.
Sven Schultzke, Nikolai Scheuring, Pim Puylaert, Matthias Lehmann, Anne Staubitz   +4 more
doaj   +1 more source

Synthesis of 4′-Alkoxy-4-(ω-cinnamoylalkoxy)azobenzenes and Their Photoswitchable Behavior

Chemistry Proceedings, 2021
In search of new thermotropic, photoswitchable materials, a number of 4′-alkoxy-4-(ω-cinnamoylalkoxy)azobenzenes were prepared. The synthetic procedure included O-alkylation of 4-nitrophenol, followed by reduction of the nitro group (H2, Pd/C ...
Abdullah Al-Hemyari, Muna Bufaroosha, Thies Thiemann   +2 more
doaj   +1 more source

Semi-automated screening of azobezenes for solar energy storage using extended tight binding methods

Scientific Reports
In the face of the pressing climate change crisis, Molecular Solar Thermal Energy Storage (MOST) Systems offer a promising avenue for efficient energy storage.
Karoline Schjelde, Oscar B. Obel, Andreas Erbs Hillers-Bendtsen, Kurt V. Mikkelsen   +3 more
doaj   +1 more source

Strategies to control humidity sensitivity of azobenzene isomerisation kinetics in polymer thin films

Communications Materials
Azobenzenes are versatile photoswitches that garner interest in applications ranging from photobiology to energy storage. Despite their great potential, transforming azobenzene-based discoveries and proof-of-concept demonstrations from the lab to the ...
Sami Vesamäki, Henning Meteling, Roshan Nasare, Antti Siiskonen, Jani Patrakka, Nelmary Roas-Escalona, Markus Linder, Matti Virkki, Arri Priimagi   +8 more
doaj   +1 more source

Azobenzene‐Oxindole Photochromic Dyads

Angewandte Chemie
Abstract Manipulation of molecular geometry using photoresponsive units is a powerful tool in supramolecular chemistry, smart materials, and photopharmacology. Current synthetic chemistry offers many responsive molecules that perform such a task.
Ovalle, Marco, Doellerer, Daniel, Feringa, Ben L   +2 more
openaire   +3 more sources

Substituent effects in N-acetylated phenylazopyrazole photoswitches

Beilstein Journal of Organic Chemistry
Phenylazopyrazole photoswitches proved to be valuable structural motifs for various applications ranging from materials science to medicine. Despite their potential, their structural diversity is still limited and a larger pool of substitution patterns ...
Radek Tovtik, Dennis Marzin, Pia Weigel, Stefano Crespi, Nadja A. Simeth   +4 more
doaj   +1 more source

Azo-Dyes-Grafted Oligosaccharides—From Synthesis to Applications

Molecules, 2021
Azobenzenes are photochromic molecules that possess a large range of applications. Their syntheses are usually simple and fast, and their purifications can be easy to perform.
Estelle Léonard, Antoine Fayeulle
doaj   +1 more source