Results 81 to 90 of about 6,232 (230)

Photoresponsive Rotaxanes Switch Lipid Bilayer Neuromorphic Behavior with Light

open access: yesAdvanced Electronic Materials, EarlyView.
A rotaxane consisting of a macrocycle ring with two azobenzene units mechanically interlocked onto an amphiphilic axle was incorporated into droplet interface bilayers (DIBs). Photoswitching between the azobenzene configurations on the ring resulted in cycling between memristive and memcapacitive behaviors in lipid bilayers, enabling programmable ...
P.T. Podar   +4 more
wiley   +1 more source

Photoswitchable NIR‐Emitting Gold Nanoparticles [PDF]

open access: yesAngewandte Chemie International Edition, 2016
AbstractPhoto‐switching of the NIR emission of gold nanoparticles (GNP) upon photo‐isomerization of azobenzene ligands, bound to the surface, is demonstrated. Photophysical results confirm the occurrence of an excitation energy transfer process from the ligands to the GNP that produces sensitized NIR emission.
BONACCHI, SARA   +10 more
openaire   +3 more sources

Synthesis and Study of Substituted Chalcones Combined with Fluoroazobenzenes—New Photoswitches for Application in Biological Systems

open access: yesMolecules
Chalcones have garnered significant research interest due to their various medical bioactivities. Several chalcone compounds have been approved for marketing and clinical use in the treatment of various diseases.
Piotr Tobiasz   +5 more
doaj   +1 more source

Photoswitching of Dihydroazulene Derivatives in Liquid-Crystalline Host Systems [PDF]

open access: yes, 2017
Photoswitches and dyes in the liquid-crystalline nematic phase have the potential for use in a wide range of applications. A large order parameter is desirable to maximize the change in properties induced by an external stimulus.
Cowling, Stephen J   +7 more
core   +1 more source

A combinatorial approach to improving the performance of azoarene photoswitches

open access: yesBeilstein Journal of Organic Chemistry, 2019
Azoarenes remain privileged photoswitches – molecules that can be interconverted between two states using light – enabling a huge range of light addressable multifunctional systems and materials.
Joaquin Calbo   +4 more
doaj   +1 more source

Sound and noisy light: Optical control of phonons in photoswitchable structures [PDF]

open access: yes, 2015
We present a means of controlling phonons via optical tuning. Taking as a model an array of photoresponsive materials (photoswitches) embedded in a matrix, we numerically analyze the vibrational response of an array of bistable harmonic oscillators with ...
Grossman, Jeffrey C.   +1 more
core   +1 more source

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

open access: yesAngewandte Chemie International Edition, EarlyView.
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   +7 more
wiley   +1 more source

Photoswitchable Sexithiophene-Based Molecular Wires [PDF]

open access: yesOrganic Letters, 2009
Photochromic sexithiophenes were prepared by oxidative electrochemical coupling of terthiophenes. The redox properties in the open state are typical of sexithiophenes. Ring closure of both photochromic units leads to a decrease in the energy of the LUMO orbitals with little affect on the energy of the HOMO orbitals.
Areephong, Jetsuda   +6 more
openaire   +3 more sources

Visible‐Light‐Driven Fluorescence Turn‐on Photoswitches With Near Quantitative Photocyclization Yield

open access: yesAdvanced Science
Photoswitchable fluorescent materials have gained significant attention for their potential in advanced information encryption and anti‐counterfeiting applications.
Jiawei Zhai   +4 more
doaj   +1 more source

Hemipiperazines as peptide-derived molecular photoswitches with low-nanomolar cytotoxicity

open access: yesNature Communications, 2022
The development of photochromic systems is an important and growing area of research, in particular for bioactive molecular photoswitches. Here, the authors report on photopharmacological antimitotic agents, operational under visible light, based on a ...
Susanne Kirchner   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy