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chirality News
Ultrasensitive Chirality Detector Could Improve Drug Design and Efficacy
ORLANDO, Fla., April 1, 2024 — Researchers at the University of Central Florida (UCF) are investigating ways to enhance the development of new drugs and therapies. A tunable plasmonic platform from UCF, which enables accurate detection of chiral molecules, could help pharmaceutical companies and biomedical labs classify enantiomers with speed and precision, leading to more efficient drug development. The platform for sensing chiral molecules is the work of a team led by professor Debashis Chanda at the UCF Nanoscience
Fabrication Method Enables Novel Metamaterial Properties
PHILADELPHIA, Nov. 24, 2023 — In recent decades, researchers have fabricated metamaterials that interact with light in ways that go beyond the physical limits imposed on naturally occurring materials. A metamaterial is composed of arrays of “meta-atoms,” which have...
Quantum Light Source Emits Circularly Polarized Single Photons
LOS ALAMOS, N.M., Aug. 29, 2023 — An approach to quantum light emitters developed at Los Alamos National Laboratory stacks two different atomically thin materials to realize a source that generates a stream of circularly polarized single photons that can be used for a variety of...
Beamsplitter Benefits from Topological Antichiral Edge States
GUANGZHOU, China, May 29, 2023 — Recent research has investigated novel approaches to beam-splitting in the context of topological photonics. Several beam-splitting mechanisms have been proposed relying on different topological states such as chiral edge states, valley-locked edge...
Pump-Probe Spectroscopy Could Help to Control Chiral Molecules
BERLIN, Dec. 30, 2022 — An international research team at Freie Universität Berlin, in collaboration with colleagues at the DESY research center, Kiel University, and Kansas State University, has proposed a quantum-chemical calculation-based approach to induce and...
Tunable Nanophotonic Interface Simplifies PIC Integration
CHICAGO, March 22, 2022 — A chiral nanophotonic interface developed by a research team at the University of Chicago could make photonic integrated circuits (PICs) easier to integrate into mapping systems, biosensors, and other technologies. The interface provides a way for...
Semiconductors Manipulate Light for Drug Molecule Characterization
BATH, England, Feb. 1, 2022 — A photonic effect in semiconducting helical particles, discovered through a collaboration between the University of Bath and the University of Michigan, could facilitate the use of robotic chemistry to speed the development and screening of...
Chiral Polymers Take Fast Track to High-Efficiency Circularly Polarized OLEDs
BEIJING, Dec. 30, 2021 — Researchers in the group of Chen Chuanfeng from the Institute of Chemistry of the Chinese Academy of Sciences have demonstrated experimental devices using chiral thermally activated delayed fluorescent (TADF) materials. The devices,...
Optical Technique Measures Chirality Over Broad Wavelength Range
MILAN, July 27, 2021 — A research team from Politecnico di Milano and the University of Bayreuth (Germany) has developed an approach for the quick measurement of chirality across a broad wavelength range. In molecules, chirality occurs when molecules contain the same...
Microscope Detects Chirality to Make Solid-Tissue Imaging Possible
URBANA, Ill., March 16, 2021 — Researchers at the University of Illinois’ Beckman Institute for Advanced Science and Technology developed a spectroscopic microscope enabling optical measurements of molecular conformations and orientations in biological samples. The device...
2D Material Takes on Chirality of Circularly Polarized Light
CAMBRIDGE, Mass., March 2, 2020 — Physicists at MIT have uncovered a new way to test whether or not a material is chiral, and have also found a way to enhance the overall chirality in a large piece of material. The material they used, titanium diselenide (TiSe2), is a...
Researchers Generate New Form of Light
BERLIN, Oct. 30, 2019 — A team composed of researchers from the Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (MBI), the Israel Institute of Technology (Technion), and Technische Universitaet Berlin (TU Berlin) has generated and characterized a new...
Photochemical Deracemization of Chiral Compounds Assists Drug Development
MUNICH, Germany, Dec. 20, 2018 — Deploying a photochemical method, a team from the Technical University of Munich (TUM) has achieved deracemization of chiral compounds for use in biology and medicine. The advance could make it easier for chemists and drug developers to produce...
Kirigami-Inspired Technique Manipulates Light at Nanoscale
CAMBRIDGE, Mass., and BEIJING, July 13, 2018 — Researchers have applied the principles of kirigami — the traditional art of paper folding and cutting — to the fabrication of advanced 3D nanodevices for manipulating light. The team believes that “nanokirigami” could offer...
Chiral Nanostructures Could Be Used to Tailor Applications
BATH, England, May 3, 2018 — Scientists have modeled the interaction between light and twisted molecules as the molecules transition from left- to right-handed versions, or vice versa. Understanding the behaviors of these transitional forms could lead to improved design of...
Holograms Gain Efficiency from Metasurface Fabrication Technique
CAMBRIDGE, Mass., May 16, 2016 — Nanostructured metasurfaces have been incorporated into compact holograms, enabling the production of different images depending on the polarization of incident light. The highly efficient holograms lose very little light in the processing of...
Optical Switch Turns Polarization Into Direction
VIENNA, Oct. 7, 2014 — A single gold nanoparticle can translate light polarization into direction of propagation within ultrathin glass fiber.
Dual-Catalyst Technique Allows Better Control of Molecules
MADISON, Wis., April 24, 2014 — Chemical reactions usually happen on their own terms. But now, researchers from the University of Wisconsin-Madison have discovered a way to create molecules with controlled chirality using sunlight as one of two catalysts.
Electricity Changes Polymer’s Optical Properties
MILAN, WARSAW, Poland and DRESDEN, Germany, April 22, 2014 — A newly developed polymer is said to be the first of its kind to combine optical and electrical properties. This could mean new manufacturing possibilities for glass, polarization filters and sensors capable of detecting single molecules of a given...
Metamolecules Change Chirality Under Light
BERKELEY, Calif., July 11, 2012 — For the first time, the chirality of artificial molecules has been switched from a right-handed to a left-handed orientation using a light beam. The discovery holds potential for a range of terahertz technology applications, including biomedical...
Nanotube 'Seeds' Created
HOUSTON, Nov. 17, 2006 -- Chemists today revealed what they said is the first method for cutting carbon nanotubes into "seeds" and using those seeds to sprout new nanotubes. The method may allow them to reproduce their very best nanotube samples for use in a variety of...
(21 results found)
April 2024
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