Articles with "azobenzene" as a keyword



Directional Growth of Human Neuronal Axons in a Microfluidic Device with Nanotopography on Azobenzene‐Based Material

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Published in 2021 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.202100048

Abstract: Axonal dysfunction and degeneration are important pathological features of central nervous system (CNS) diseases and traumas, such as Alzheimer's disease, traumatic brain injury, ischemic stroke and spinal cord injury. Engineered microfluidic chips combined with human… read more here.

Keywords: microfluidic device; directional growth; growth; chip ... See more keywords

Dual-Regulation of Supramolecular Chirality in Achiral Side-Chain Azobenzene Liquid-Crystalline Polymers.

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Published in 2024 at "Chirality"

DOI: 10.1002/chir.23701

Abstract: Azobenzene (Azo) liquid-crystalline polymers are intriguing due to their unique photo-induced isomerization and supramolecular chirality. However, clarification on multicomponent chiral induction towards Azo polymers remains ambiguous and challenging. Herein, chiral solvents and amines were employed… read more here.

Keywords: liquid crystalline; crystalline polymers; chirality; azobenzene ... See more keywords

Hyperpolarization of cis‐15N2‐Azobenzene by Parahydrogen at Ultralow Magnetic Fields

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Published in 2021 at "Chemphyschem"

DOI: 10.1002/cphc.202100160

Abstract: Abstract The development of nuclear spins hyperpolarization, and the search for molecules that can be efficiently hyperpolarized is an active area in nuclear magnetic resonance. In this work we present a detailed study of SABRE… read more here.

Keywords: magnetic fields; cis 15n2; 15n2 azobenzene; azobenzene ... See more keywords

Light-Associated Surface Wrinkling-Based Metrology for the Photosoftening Characterization in Azobenzene-Polymer Supramolecular Complexes.

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Published in 2021 at "Macromolecular rapid communications"

DOI: 10.1002/marc.202000704

Abstract: As an intriguing characteristic of azobenzene-containing materials (azo-materials), photoinduced changes in mechanical properties (e.g., photosoftening) have stimulated many efforts both theoretically and experimentally. Here a simple yet powerful tool (i.e., a light-associated surface wrinkling-based method)… read more here.

Keywords: supramolecular; metrology; polymer; azobenzene ... See more keywords

Transformation of Amorphous Nanobowls to Crystalline Ellipsoids Induced by Trans-Cis Isomerization of Azobenzene.

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Published in 2022 at "Macromolecular rapid communications"

DOI: 10.1002/marc.202200131

Abstract: The stimuli-responsive transition of nanostructures from amorphous to crystalline state is of high interest in polymer science, but is still challenging. Herein, we demonstrate the transformation of amorphous nanobowls to crystalline ellipsoids triggered by UV… read more here.

Keywords: transformation amorphous; amorphous nanobowls; crystalline; nanobowls crystalline ... See more keywords

Synthesis and rheological analyzes of temperature and light sensitive gels comprising amphiphilic azobenzene polymers, chitosan and pluronic F127

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Published in 2024 at "Polymers for Advanced Technologies"

DOI: 10.1002/pat.6540

Abstract: This study investigates the reinforcement of pluronic (PF127) based temperature responsive hydrogels with photosensitive functionalities to create smart and injectable materials. For this purpose, 4‐[4‐[(4‐phenyl)azo]phenoxy] methacrylate (PAzPMA) was synthesized and further polymerized via reversible addition‐fragmentation… read more here.

Keywords: temperature; analyzes temperature; rheological analyzes; azobenzene ... See more keywords

Photoliquefiable Azobenzene Surfactants toward Solar Thermal Fuels that Upgrade Photon Energy Storage via Molecular Design.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202206623

Abstract: Photoresponsive phase change materials (PPCMs) are capable of storing photon and heat energy simultaneously and releasing the stored energy as heat in a controllable way. While, the azobenzene-based PPCMs exhibit a contradiction between gravimetric energy… read more here.

Keywords: photon energy; energy; photon; azobenzene ... See more keywords

Investigation of UV-vis spectra of azobenzene containing carboxyl groups

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Published in 2021 at "Journal of Molecular Modeling"

DOI: 10.1007/s00894-021-04702-7

Abstract: UV-vis spectra of azobenzene containing carboxyl group were investigated by using density functional theory calculations. The calculation results show that substitutions of carboxyl groups have no obvious effect on the coplanarity of azobenzene. Compared with… read more here.

Keywords: spectra azobenzene; azobenzene containing; carboxyl groups; containing carboxyl ... See more keywords

Physio- and chemo-dual crosslinking toward thermoand photo-response of azobenzene-containing liquid crystalline polyester

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Published in 2018 at "Science China Materials"

DOI: 10.1007/s40843-018-9247-6

Abstract: Combining the stability of chemical crosslinking and the processability of physical crosslinking is a well-established strategy to design new materials with desirable stimuli–responsive properties. Herein, a series of azobenzenebased thermotropic liquid crystalline polyesters were synthesized… read more here.

Keywords: photo; pta; liquid crystalline; crosslinking ... See more keywords

Dual stimuli-responsive wormlike micelles base on cationic azobenzene surfactant and sodium azophenol

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Published in 2018 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2018.02.004

Abstract: Abstract Stimulus-responsive wormlike micelles (WLMs) have received extensive attention in the past decade. In this article, we report dual stimuli-responsive WLMs based on a single-responsive azobenzene surfactant (C4AzoC6N) and a commercially available organic slat, sodium… read more here.

Keywords: responsive wormlike; wormlike micelles; dual stimuli; azobenzene surfactant ... See more keywords
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High concentration acid-induced discoloration polymeric dyes fabricated with UV-curable azobenzene-lignin-based waterborne polyurethane.

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Published in 2021 at "International journal of biological macromolecules"

DOI: 10.1016/j.ijbiomac.2021.05.173

Abstract: A durable and reversible acid-induced discoloration azobenzene UV-curable lignin-based waterborne polyurethane polymeric dye (EDA-ULPD) is prepared from lignin, azobenzene and pentaerythritol triacrylate(PETA) by chemical modification of waterborne polyurethane. Lignin and PETA are chemically bonded to… read more here.

Keywords: acid induced; eda ulpd; discoloration; azobenzene ... See more keywords