Results 11 to 20 of about 205 (138)

Reconfigurable and Recyclable Photoactuators Based on Azobenzene-Containing Polymers [PDF]

open access: yesFrontiers in Chemistry, 2020
Photoactuators are promising smart materials that can adapt their shapes upon light illumination. Smart materials with recycling, reusable, and reconfigurable properties are crucial for a sustainable society, and it is important to expand their function.
Mingsen Chen   +7 more
doaj   +2 more sources

Assessing the stability of azopolymer nanotopography during live-cell fluorescence imaging [PDF]

open access: yesFrontiers in Bioengineering and Biotechnology
IntroductionPhotomodifiable azopolymer nanotopographies represent a powerful means of assessing how cells respond to rapid changes in the local microenvironment.
Mona H. Abdelrahman   +8 more
doaj   +2 more sources

Light-induced modulation of viscoelastic properties in azobenzene polymers [PDF]

open access: yesNanophotonics
Photo-induced isomerization of azobenzene molecules drives mass migrations in azopolymer samples. The resulting macroscopic directional photo-deformation of the material morphology has found many applications in literature, although the fundamental ...
Chiodini Stefano   +4 more
doaj   +2 more sources

Stress-driven photo-reconfiguration of surface microstructures via vectorial field-guided lithography [PDF]

open access: yesLight: Science & Applications
Pattern formation driven by mechanical stress plays a fundamental role in shaping structural organization in both natural and human-made systems. Using light as a vectorial stimulus may offer a powerful route to control stress-induced pattern formation ...
I Komang Januariyasa   +9 more
doaj   +2 more sources

Unusual photo-tunable mechanical transformation of azobenzene terminated aliphatic polycarbonate [PDF]

open access: yesNature Communications
Human substance needsśś have been enriched by the development of smart-responsive materials possessing unique responsiveness and mechanical variability.
Chaoxian Chen   +4 more
doaj   +2 more sources

Neuromorphic Light-Responsive Organic Matter for in Materia Reservoir Computing. [PDF]

open access: yesAdv Mater
In this work we show that light‐responsive adaptive organic matter can store and process information at the matter level, and emulate neuromorphic functionalities such as short term memory, long term memory and visual memory. Besides demonstrating that material dynamics can be exploited for spatio‐temporal event detection and motion perception, we show
Ferrarese Lupi F   +5 more
europepmc   +2 more sources

Photochromic Cholesteric Liquid Crystals via Arylazopyrazole Functionalization of Hydroxypropyl Cellulose. [PDF]

open access: yesAdv Mater
We produce a new derivative of hydroxypropyl cellulose functionalized with arylazopyrazole side chains and demonstrate its photoswitchable behaviors in dilute and concentrated aqueous solutions, ultimately designing a series of photochromic cholesteric materials that can be photopatterned as write‐erase displays.
Fine SG   +5 more
europepmc   +2 more sources

Azobenzene as Antimicrobial Molecules

open access: yesMolecules, 2022
Azo molecules, characterized by the presence of a -N=N- double bond, are widely used in various fields due to their sensitivity to external stimuli, ch as light.
Miriam Di Martino   +5 more
doaj   +1 more source

Vectorial spin-orbital Hall effect of light upon tight focusing and its experimental observation in azopolymer films

open access: yesOpto-Electronic Science, 2023
Hall effect of light is a result of symmetry breaking in spin and/or orbital angular momentum (OAM) possessing optical system and is caused by e.g. refractive index gradient/interface between media or focusing of a spatially asymmetrical beam, similar to
Alexey Porfirev   +4 more
doaj   +1 more source

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