Results 31 to 40 of about 922 (172)

Synthesis of photochromic nanoparticles and determination of the mechanism of photochromism [PDF]

AIP Advances, 2016
Photochromic nanoparticles of zinc-silicon oxide were synthesized using plasma enhanced chemical vapor deposition. These particles turned black upon irradiating with ultraviolet light. We investigated this phenomenon using density functional theory calculations.
Shuhei Inoue, Takahiro Kawamoto, Yukihiko Matsumura, Kentaro Tomita, Kiichiro Uchino, Keiji Takata, Hiroshi Kajiyama   +6 more
openaire   +2 more sources

Oxytocin‐ und Vasopressin‐Photosonden zur Entschlüsselung der Neuropeptid‐Signalgebung mit hoher räumlicher und zeitlicher Präzision

Angewandte Chemie, Volume 138, Issue 22, 25 May 2026.
Neue biokompatible Oxytocin‐ und Vasopressin‐Photosonden mit modernsten Photocages. Diese Photosonden sind inaktiv und können mit spezifischen Lichtwellen entschützt werden, was eine Rezeptoraktivierung mit hoher zeitlicher und räumlicher Kontrolle ermöglicht. Abbildung erstellt mit https://BioRender.com ZUSAMMENFASSUNG Das Oxytocin/Vasopressin (OT/VP)
Konstantin Raabe, Predrag Kalaba, Xuan Ling Hilary Yong, Greta Crudeli, Sarah Melzer, Erik Keimpema, Victor Anggono, Markus Muttenthaler   +7 more
wiley   +1 more source

A multi-stage single photochrome system for controlled photoswitching responses

, 2022
The ability of molecular photoswitches to convert on/off responses into large macroscale property change is fundamental to light-responsive materials.
Hawker, Craig J., Martínez, Todd J., de Alaniz, Javier Read, Stricker, Friedrich, Sanchez, David M., Dolinski, Neil D., Zayas, Manuel S., Meisner, Jan, Raucci, Umberto, David M. Sanchez, Jan Meisner, Neil D. Dolinski, Todd. J. Martínez, Javier Read de Alaniz, Craig. J. Hawker, Umberto Raucci, Manuel S. Zayas, Friedrich Stricker   +17 more
core   +1 more source

Photocaged Oxytocin and Vasopressin Probes to Decipher Neuropeptide Signalling With High Spatiotemporal Resolution

Angewandte Chemie International Edition, Volume 65, Issue 22, 25 May 2026.
Novel and biocompatible photoactivatable oxytocin and vasopressin probes, utilising state‐of‐the‐art photocages, remain inactive in the dark. Light exposure facilitates rapid spatiotemporal receptor activation and phospholipase C (PLC)‐mediated downstream signalling. Figure created in https://BioRender.com.
Konstantin Raabe, Predrag Kalaba, Xuan Ling Hilary Yong, Greta Crudeli, Sarah Melzer, Erik Keimpema, Victor Anggono, Markus Muttenthaler   +7 more
wiley   +1 more source

Light‐Programmable Interfaces: From Molecular Photoswitching to Adaptive Membrane Separations

Advanced Materials Interfaces, Volume 13, Issue 10, 19 May 2026.
This review advances an interface‐centered framework for light‐responsive membranes, linking molecular photoswitches (azobenzene (AZO), spiropyran (SP), diarylethene (DAE), donor–acceptor Stenhouse adducts (DASA), photoacid) to integration strategies in polymeric, porous, self‐assembled, and mixed‐matrix systems.
Liangliang Zhang, Senlin Gu, Jianyang Zhao, Xiaojuan Hao, Lu Hua Li, Jihua Li, Lingxue Kong   +6 more
wiley   +1 more source

Phototunable Polarization Volume Gratings Driven by Chiral Hydrazone Switches

Advanced Optical Materials, Volume 14, Issue 19, 22 May 2026.
Chiral hydrazone photoswitches incorporated into polarization volume gratings enable light‐driven, reversible modulation of optical properties. UV and blue light irradiation reversibly alter the hydrazone isomer ratio, leading to tunable diffraction efficiency and spectral response across the visible spectrum.
Artem Boichuk, Lauri Uosukainen, Indu Bala, Ivan Aprahamian, Arri Priimagi   +4 more
wiley   +1 more source

Photochrome Transmembrane Protein Bacteriorhodopsin in Nano- and Biotechnologies [PDF]

, 2015
This paper presents improved method for isolation of photochrome transmembraine protein bacteriorhodopsin (output 5 mg from 100 g of wet biomass) capable to transform light energy to electrochemical energy of generated protons H+ and ??P. The protein was
Ignatov, Ignat, Mosin, Oleg
core  

Toward a (bis)Trifluoromethyl-Substituted Quinazolinespirohexadienone(QSHD) Photochrome for Gating PICT

, 2014
In order to gate photoinduced charge transfer (PICT), photochromes need to be able to undergo an isomerization from a short wavelength (SW) form to a long wavelength (LW) form when exposed to UV light, and only revert back thermally.
Peterson, Luke, Messer, Lauren
core   +1 more source

The Impact of Chemical Modifications on the Photochromism of Spiropyran: A Roadmap to Navigate Powerful Photochromes

ChemPhotoChem, Volume 10, Issue 4, April 2026.
This review summarizes how even minor chemical modifications can be used to shape spiropyran photochromism. We highlight how substituents, strain, and heteroatoms tune absorption, stability, switching efficiency, and overall photochromic behaviour.
Gianni Pacella, Giuseppe Portale
wiley   +1 more source

Photo‐Modulated Proton Transport in Merocyanine Metastable‐State Photoacid Based Polymers

Small, Volume 22, Issue 23, 22 April 2026.
The covalent incorporation of merocyanine metastable‐state photoacid into soft polymers imparts conductivity to otherwise insulating matrices, allowing light‐triggered control of charge and structure, offering a new platform for photo‐responsive, ion‐conducting materials.
Gianni Pacella, Mira Kim, Rachael Hannah, Ryan C. Chiechi, Shirin Faraji, Giuseppe Portale   +5 more
wiley   +1 more source