Results 141 to 150 of about 2,155,205 (328)

Chiral N-acyliminium ions as new tools in the asymmetric synthesis of CNS-active compounds [PDF]

open access: yes, 1994
Beutler   +9 more
core   +1 more source

Chromogenic Receptor: from Cation Recognition to Chiral Recognition.

open access: yesJournal of Synthetic Organic Chemistry, Japan, 1997
This article describes our recent achievements in developing synthetic chromogenic receptors which are characterized by combined “recognition” and “optical sensing” functions. The focus is on preparation and some intriguing properties of several kinds of azomethine-derived calixarenes : this work is extended in two related directions, the incorporation
openaire   +2 more sources

New Directions in Focused Ion Beam Induced Deposition for the Nanoprinting of Functional 3D Heterostructures

open access: yesAdvanced Materials Technologies, EarlyView.
Here, it is shown that focused ion beam induced deposition (FIBID) using helium and neon ions enables advanced high‐resolution 3D nanoprinting achieving precise multimaterial architectures and engineered internal voids. Thus, FIBID with finely focused noble gas ion species is presented as a unique platform for designing functional nanomaterials for ...
Frances Isabel Allen
wiley   +1 more source

Colorimetric Visualization of Chirality: From Molecular Sensors to Hierarchical Extension

open access: yesMolecules
The optical sensing of chirality is widely used in many fields, such as pharmaceuticals, agriculture, food, and environmental materials. In this context, the color-based cascade amplification of chirality, coupled with chiral recognition for analytes ...
Yuji Kubo
doaj   +1 more source

Solution‐Processed Spin‐Polarized Light‐Emitting Diodes of Colloidal Quantum Wells and Magnetic Nanoparticles

open access: yesAdvanced Optical Materials, EarlyView.
All‐solution‐processed spin‐LEDs based on colloidal Fe3O4 nanoparticles and CdSe/CdZnS core/shell CQWs that allows for polarization modulation of electroluminescence are fabricated. With these devices, electrical injection of spin‐polarized carriers from the Fe3O4 nanoparticle layer into the CdSe/CdZnS CQWs is demonstrated, realizing circularly ...
Savas Delikanli   +14 more
wiley   +1 more source

Bay‐functionalized [7]Helicene Bilayer Nanographenes

open access: yesAdvanced Optical Materials, EarlyView.
Bay‐functionalized [7]helical bilayer nanographenes are synthesized via a scalable, modular strategy enabling late‐stage diversification. Tailored methoxy, diketone, and phenazine substitutions precisely tune redox, photophysical, and chiroptical properties, delivering strong electronic circular dichroism and bright circularly polarized luminescence ...
Anmol Thanai   +9 more
wiley   +1 more source

Photonics of Topological Magnetic Textures

open access: yesAdvanced Optical Materials, EarlyView.
Localized noncollinear magetic textures imprint their geometry and topology onto traversing photonic fields endowing them with orbital angular‐momentum, chirality, and magnetoelectric densities. Abstract Topological textures in magnetically ordered materials are an important case studies for fundamental research with promising applications in data ...
Vakhtang Jandieri   +6 more
wiley   +1 more source

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