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View article: [2]Rotaxanes featuring minimal helical axles
[2]Rotaxanes featuring minimal helical axles Open
α,ω-Stoppered perfluorous domains act as rigid and chiral linear helical elements in rotaxane constructs. Dynamic NMR shows modified ring dynamics over 4–orders of magnitude compared to hydrocarbon analogues, while vibrational-CD shows sto…
View article: Selective and Cooperative Photocycloadditions within Multistranded Aromatic Sheets
Selective and Cooperative Photocycloadditions within Multistranded Aromatic Sheets Open
A series of aromatic helix-sheet-helix oligoamide foldamers composed of several different photosensitive diazaanthracene units have been designed and synthesized. Molecular objects up to 7 kDa were straightforwardly produced on a 100 mg sc…
View article: Light‐ and pH‐regulated Water‐soluble Pseudorotaxanes Comprising a Cucurbit[7]uril and a Flavylium‐based Axle
Light‐ and pH‐regulated Water‐soluble Pseudorotaxanes Comprising a Cucurbit[7]uril and a Flavylium‐based Axle Open
A linear double pyridinium‐terminated thread comprising a central chalcone moiety is shown to provide two independent binding sites with similar affinity for cucurbit[7]uril (CB7) macrocycles in water as judged from NMR, UV‐Visible and flu…
View article: Macrocyclic Hamilton receptor-shuttling dynamics in [2]rotaxanes
Macrocyclic Hamilton receptor-shuttling dynamics in [2]rotaxanes Open
Inherent movement of a macrocycle comprising a multi-site hydrogen bonding\nHamilton-type receptor in a series of [2]rotaxanes was investigated by dynamic\nand VT NMR. In these rotaxanes the varying nature and number of hydrogen-bond\nmoti…
View article: Heat Engine Drives Transport of an Fe<sup>II</sup><sub>4</sub>L<sub>4</sub> Cage and Cargo
Heat Engine Drives Transport of an Fe<sup>II</sup><sub>4</sub>L<sub>4</sub> Cage and Cargo Open
The directed motion of species against a chemical potential gradient is a fundamental feature of living systems, underpinning processes that range from transport through cell membranes to neurotransmission. The development of artificial ac…
View article: Hydrogen‐Bonding Donor‐Acceptor Stenhouse Adducts
Hydrogen‐Bonding Donor‐Acceptor Stenhouse Adducts Open
The binding of donor‐acceptor Stenhouse adducts (DASAs) bearing hydrogen‐bond recognition groups by Hamilton‐type receptors significantly influenced their photoswitching properties by altering thermal barriers to isomerization. The thermal…
View article: Photoreversible stretching of a BAPTA chelator marshalling Ca<sup>2+</sup>-binding in aqueous media
Photoreversible stretching of a BAPTA chelator marshalling Ca<sup>2+</sup>-binding in aqueous media Open
Free calcium ion concentration is known to govern numerous biological processes and indeed calcium acts as an important biological secondary messenger for muscle contraction, neurotransmitter release, ion-channel gating, and exocytosis. As…
View article: CCDC 1934840: Experimental Crystal Structure Determination
CCDC 1934840: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Aromatic oligoamide foldamers as versatile scaffolds for induced circularly polarized luminescence at adjustable wavelengths
Aromatic oligoamide foldamers as versatile scaffolds for induced circularly polarized luminescence at adjustable wavelengths Open
Quinoline oligoamide foldamers appended with non-chiral fluorophores and derivatized with a camphanyl chiral inducer display strong chiroptical properties at tunable wavelengths as proved by CD and CPL spectroscopies.
View article: Innenrücktitelbild: Polymersome Popping by Light‐Induced Osmotic Shock under Temporal, Spatial, and Spectral Control (Angew. Chem. 6/2017)
Innenrücktitelbild: Polymersome Popping by Light‐Induced Osmotic Shock under Temporal, Spatial, and Spectral Control (Angew. Chem. 6/2017) Open
Polymersome zählen zu den stabilsten nichtkovalenten Vesikeln. Der Einschluss photoaktiver Moleküle im Innern dieser Aggregate sensibilisiert sie jedoch für ein lichtaktiviertes Aufbrechen unter kontrollierter Freisetzung ihres Inhalts. In…
View article: Inside Back Cover: Polymersome Popping by Light‐Induced Osmotic Shock under Temporal, Spatial, and Spectral Control (Angew. Chem. Int. Ed. 6/2017)
Inside Back Cover: Polymersome Popping by Light‐Induced Osmotic Shock under Temporal, Spatial, and Spectral Control (Angew. Chem. Int. Ed. 6/2017) Open
Polymersomes are among the most stable noncovalent vesicular assemblies. However, incorporation of photoactive molecules into their lumen renders these assemblies sensitive to light-activated rupture and controlled liberation of their inte…
View article: CCDC 1413057: Experimental Crystal Structure Determination
CCDC 1413057: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1413055: Experimental Crystal Structure Determination
CCDC 1413055: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Polymersome Popping by Light‐Induced Osmotic Shock under Temporal, Spatial, and Spectral Control
Polymersome Popping by Light‐Induced Osmotic Shock under Temporal, Spatial, and Spectral Control Open
The light‐triggered, programmable rupture of cell‐sized vesicles is described, with particular emphasis on self‐assembled polymersome capsules. The mechanism involves a hypotonic osmotic imbalance created by the accumulation of photogenera…
View article: Remote Photoregulated Ring Gliding in a [2]Rotaxane via a Molecular Effector
Remote Photoregulated Ring Gliding in a [2]Rotaxane via a Molecular Effector Open
A molecular barbiturate messenger, which is reversibly released/captured by a photoswitchable artificial molecular receptor, is shown to act as an effector to control ring gliding on a distant hydrogen-bonding [2]rotaxane. Thus, light-driv…
View article: High performance optical oxygen sensors based on iridium complexes exhibiting interchromophore energy shuttling
High performance optical oxygen sensors based on iridium complexes exhibiting interchromophore energy shuttling Open
Reversible electronic energy transfer is used for sensing oxygen traces and results in very high sensitivity.
View article: CCDC 1452046: Experimental Crystal Structure Determination
CCDC 1452046: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1452045: Experimental Crystal Structure Determination
CCDC 1452045: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Water-soluble naphthalimide-based ‘Pourbaix sensors’: pH and redox-activated fluorescent AND logic gates based on photoinduced electron transfer
Water-soluble naphthalimide-based ‘Pourbaix sensors’: pH and redox-activated fluorescent AND logic gates based on photoinduced electron transfer Open
Naphthalimide-based ‘Pourbaix sensors’ for redox potential and pH fluoresce with a lifetime of 8.5 ns while photoinduced electron transfer occurs on a time scale of 20 ps.
View article: CCDC 1426537: Experimental Crystal Structure Determination
CCDC 1426537: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …