Nicolas Giuseppone
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View article: Inverting the Circularly Polarized Luminescence Handedness of Chiral Supramolecular Polymers Using Temperature
Inverting the Circularly Polarized Luminescence Handedness of Chiral Supramolecular Polymers Using Temperature Open
The supramolecular polymerization and chiroptical properties of two enantiopure triarylamine trisamide (TATA) monomers bearing aggregation‐induced emissive tetraphenylethene (TPE) units are described. A monosubstituted and a trisubstituted…
View article: Inverting the Circularly Polarized Luminescence Handedness of Chiral Supramolecular Polymers Using Temperature
Inverting the Circularly Polarized Luminescence Handedness of Chiral Supramolecular Polymers Using Temperature Open
The supramolecular polymerization and chiroptical properties of two enantiopure triarylamine trisamide (TATA) monomers bearing aggregation‐induced emissive tetraphenylethene (TPE) units are described. A monosubstituted and a trisubstituted…
View article: Supramolecular polymerization through rotation of light-driven molecular motors
Supramolecular polymerization through rotation of light-driven molecular motors Open
Molecular motors can act on their environment through their unique capacity to generate nonreciprocal autonomous motions at the nanoscale. Although their operating principles are now understood, artificial molecular motors have yet to demo…
View article: Integration of a Synthetic Molecular Motor Into a Rotary DNA Nanostructure: A Framework for Single-Molecule Actuation
Integration of a Synthetic Molecular Motor Into a Rotary DNA Nanostructure: A Framework for Single-Molecule Actuation Open
Synthetic molecular motors are an appealing means to control motion at the nanoscale, but understanding their behaviour as single-molecule actuators and integrating them into larger, functional systems remain technical challenges. Translat…
View article: Supramolecular polymerization induced by the rotation of light-driven molecular motors
Supramolecular polymerization induced by the rotation of light-driven molecular motors Open
Molecular motors are capable of producing mechanical work on their environment by using their unique capacity to generate non-reciprocal autonomous motions at the nanoscale. Although their operating principles are now well understood, arti…
View article: Triarylamine Trisamide Interfacial Modulation for Perovskite Photovoltaics
Triarylamine Trisamide Interfacial Modulation for Perovskite Photovoltaics Open
Hybrid perovskites stand out as one of the leading materials in the new generation of photovoltaics. Their stability under operating conditions, however, remains an ongoing challenge. In particular, aging at the interface with the charge t…
View article: Transducing chemical energy through catalysis by an artificial molecular motor
Transducing chemical energy through catalysis by an artificial molecular motor Open
Cells display a range of mechanical activities enabled by the cytoskeleton, a viscoelastic hydrogel manipulated by motor proteins powered through catalysis. This raises the question of how the acceleration of a chemical reaction can enable…
View article: Scalable Approach to Molecular Motor‐Polymer Conjugates for Light‐Driven Artificial Muscles
Scalable Approach to Molecular Motor‐Polymer Conjugates for Light‐Driven Artificial Muscles Open
The integration of molecular machines and motors into materials represents a promising avenue for creating dynamic and functional molecular systems, with potential applications in soft robotics or reconfigurable biomaterials. However, the …
View article: Scalable Approach to Molecular Motor-Polymer Conjugates for Light-Driven Artificial Muscles
Scalable Approach to Molecular Motor-Polymer Conjugates for Light-Driven Artificial Muscles Open
The integration of molecular machines and motors into materials represents a promising avenue for creating dynamic and functional molecular systems, with potential applications in soft robotics or reconfigurable biomaterials. However, the …
View article: Out‐of‐Equilibrium Mechanical Disruption of β‐Amyloid‐Like Fibers using Light‐Driven Molecular Motors
Out‐of‐Equilibrium Mechanical Disruption of β‐Amyloid‐Like Fibers using Light‐Driven Molecular Motors Open
Artificial molecular motors have the potential to generate mechanical work on their environment by producing autonomous unidirectional motions when supplied with a source of energy. However, the harnessing of this mechanical work to subseq…
View article: Front Cover: Molecular Actuation of a Bistable Liquid‐Crystalline [<i>c</i>2]Daisy Chain Rotaxane (ChemistryEurope 1/2024)
Front Cover: Molecular Actuation of a Bistable Liquid‐Crystalline [<i>c</i>2]Daisy Chain Rotaxane (ChemistryEurope 1/2024) Open
Mechanically active [c2]daisy chain rotaxanes were functionalized with mesogens to display liquid-crystalline properties. It was shown that the mechanical actuation of such bistable rotaxanes (between their contracted and extended states) …
View article: Molecular Actuation of a Bistable Liquid‐Crystalline [<i>c</i>2]Daisy Chain Rotaxane
Molecular Actuation of a Bistable Liquid‐Crystalline [<i>c</i>2]Daisy Chain Rotaxane Open
A bistable [ c 2]daisy chain rotaxane bearing two mesogenic units was synthesized, and its liquid crystal phase diagram was characterized. As a remarkable result, this study demonstrates that, depending on the contracted or extended state …
View article: Inside Cover: Bending Actuation of Hydrogels through Rotation of Light‐Driven Molecular Motors (Angew. Chem. Int. Ed. 13/2023)
Inside Cover: Bending Actuation of Hydrogels through Rotation of Light‐Driven Molecular Motors (Angew. Chem. Int. Ed. 13/2023) Open
Light-driven molecular motors were used as photoactive crosslinks in hydrogels. Their unidirectional rotation under UV light triggers a shift in the equilibrium swelling of the networks because of the creation of new entanglements. In thei…
View article: Innentitelbild: Bending Actuation of Hydrogels through Rotation of Light‐Driven Molecular Motors (Angew. Chem. 13/2023)
Innentitelbild: Bending Actuation of Hydrogels through Rotation of Light‐Driven Molecular Motors (Angew. Chem. 13/2023) Open
Light-driven molecular motors were used as photoactive crosslinks in hydrogels. Their unidirectional rotation under UV light triggers a shift in the equilibrium swelling of the networks because of the creation of new entanglements. In thei…
View article: Bending Actuation of Hydrogels through Rotation of Light‐Driven Molecular Motors
Bending Actuation of Hydrogels through Rotation of Light‐Driven Molecular Motors Open
The unidirectional rotation of chemically crosslinked light‐driven molecular motors is shown to progressively shift the swelling equilibrium of hydrogels. The concentration of molecular motors and the initial strand density of the polymer …
View article: Bending Actuation of Hydrogels through Rotation of Light‐Driven Molecular Motors
Bending Actuation of Hydrogels through Rotation of Light‐Driven Molecular Motors Open
The unidirectional rotation of chemically crosslinked light‐driven molecular motors is shown to progressively shift the swelling equilibrium of hydrogels. The concentration of molecular motors and the initial strand density of the polymer …
View article: Thermodynamics, morphology and molecular structure of molecular compounds in trisamide triarylamine organogels and pseudo-organogels
Thermodynamics, morphology and molecular structure of molecular compounds in trisamide triarylamine organogels and pseudo-organogels Open
In this paper, potentially-gelling binary systems are investigated by DSC, X-ray and Electron microscopy in order to assess their gel status and the role of the Hansen solubility parameter.
View article: Daisy chain architectures: from discrete molecular entities to polymer materials
Daisy chain architectures: from discrete molecular entities to polymer materials Open
We review recent progresses in the synthesis and the use of daisy chain architectures as molecular machines and stimuli-responsive materials.
View article: Some Remarkable Rheological and Conducting Properties of Hybrid PVC Thermoreversible Gels/Organogels
Some Remarkable Rheological and Conducting Properties of Hybrid PVC Thermoreversible Gels/Organogels Open
We report on investigations into the rheological properties of organogels prepared from triarylamine trisamide (TATA) and oligo phenylene vinylene (OPVOH) molecules in binary organogel gels and in ternary thermoreversible networks with pol…
View article: Light-Driven Molecular Whirligig
Light-Driven Molecular Whirligig Open
A unidirectional light-driven rotary motor was looped in a figure-of-eight molecule by linking two polymer chains between its stator and rotor parts. By properly tuning the size of these linkers, clockwise rotation of the motor under UV li…
View article: Evidence by neutron diffraction of molecular compounds in triarylamine tris-amide organogels and in their hybrid thermoreversible gels with PVC
Evidence by neutron diffraction of molecular compounds in triarylamine tris-amide organogels and in their hybrid thermoreversible gels with PVC Open
We report on neutron diffraction experiments performed on organogels prepared from triarylamine tris-amide (TATA), as well as on their ternary thermoreversible gels made up with poly[vinyl chloride] (PVC).
View article: Effect of solvent isomers on the gelation properties of tri-aryl amine organogels and their hybrid thermoreversible gels with poly[vinyl chloride]
Effect of solvent isomers on the gelation properties of tri-aryl amine organogels and their hybrid thermoreversible gels with poly[vinyl chloride] Open
The gelation properties of tri-aryl amine (TATA) in two isomers of dichlorobenzene, namely ortho -dichlorobenzene ( o -DCB) and meta -dichlorobenzene ( m -DCB), have been studied by calorimetry for mapping out the temperature–concentration…
View article: Light-Driven Molecular Motors Boost the Selective Transport of Alkali Metal Ions through Phospholipid Bilayers
Light-Driven Molecular Motors Boost the Selective Transport of Alkali Metal Ions through Phospholipid Bilayers Open
A hydrophobic light-driven rotary motor is functionalized with two 18-crown-6 macrocycles and incorporated into phospholipid bilayers. In the presence of this molecular construct, fluorescence assays and patch clamp experiments show the fo…
View article: Modulation of the Molecular Structure of Tri-aryl Amine Fibrils in Hybrid Poly[vinyl chloride] Gel/Organogel Systems
Modulation of the Molecular Structure of Tri-aryl Amine Fibrils in Hybrid Poly[vinyl chloride] Gel/Organogel Systems Open
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View article: Design of Stimuli‐Responsive Dynamic Covalent Delivery Systems for Volatile Compounds (Part 2): Fragrance‐Releasing Cleavable Surfactants in Functional Perfumery Applications
Design of Stimuli‐Responsive Dynamic Covalent Delivery Systems for Volatile Compounds (Part 2): Fragrance‐Releasing Cleavable Surfactants in Functional Perfumery Applications Open
Amphiphilic imines prepared by condensation of a hydrophobic fragrance aldehyde with a hydrophilic amine derived from a poly(propylene oxide) and poly(ethylene oxide) diblock copolymer were investigated as cleavable surfactant profragrance…
View article: Design of Stimuli‐Responsive Dynamic Covalent Delivery Systems for Volatile Compounds (Part 1): Controlled Hydrolysis of Micellar Amphiphilic Imines in Water
Design of Stimuli‐Responsive Dynamic Covalent Delivery Systems for Volatile Compounds (Part 1): Controlled Hydrolysis of Micellar Amphiphilic Imines in Water Open
Despite their intrinsic hydrolysable character, imine bonds can become remarkably stable in water when self‐assembled in amphiphilic micellar structures. In this work, we systematically studied some of these structures and the influence of…