Results 181 to 190 of about 275,067 (294)

Transient Supramolecular Polymers by pH‐Gated Conformational Control of a Self‐Assembling Cyclodextrin

open access: yesAngewandte Chemie, EarlyView.
A metastable cyclodextrin monomer can form kinetically trapped supramolecular polymer at low pH. Raising the pH triggers gradual depolymerization into the self‐included monomer with a rate that can be preset by tuning the pH value. The pH‐dependence is directly associated with the rigidity of the cyclodextrin bridge, which is modulated by protonation ...
Wenting Hu   +7 more
wiley   +2 more sources

Artificial Intelligence‐Assisted Target Design for High‐Intensity Laser‐Driven Neutron Sources

open access: yesAdvanced Intelligent Systems, EarlyView.
This study presents an artificial intelligence (AI)‐assisted target design that combines particle‐in‐cell simulations with gradient ascent algorithm to optimize laser‐driven neutron sources. By enhancing the sheath electric field, the optimized structure increases neutron yield by a factor of 4,000.
Youjing Wang   +7 more
wiley   +1 more source

Chemical Bond Covalency in Superionic Halide Solid‐State Electrolytes

open access: yesAngewandte Chemie, EarlyView.
Achieving high conductivity in halide solid‐state electrolytes requires understanding key factors for ionic diffusion. This study provides direct evidence that metal‐halide covalent bonding controls superionic transitions and enhances Li+ mobility. Tailoring covalency through composition, demonstrated via in situ studies and simulations on bromide ...
Jiamin Fu   +17 more
wiley   +2 more sources

Application of neutron grating interferometry and tomography to the nineteenth century Korean copper coins. [PDF]

open access: yesSci Rep
Kim Y   +12 more
europepmc   +1 more source

Nanoparticles Functionalized with Polymer Brushes for Gene Delivery

open access: yesAdvanced NanoBiomed Research, EarlyView.
The engineering of the next generation gene delivery vectors requires the precise control of the architecture and physicochemical interactions controlling the transport, targeting, uptake, and release of nucleic acid materials to targeted cells. Polymer brush‐functionalized nanomaterials offer unprecedented control over such design and properties, and ...
Carlos E. Neri‐Cruz, Julien E. Gautrot
wiley   +1 more source

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