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73 Current news about the topic chirality

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Scientists create luminescent gels with multitude of applications from counterfeiting to bio-sensing

15-Jun-2022

Scientists from Trinity College Dublin have taken inspiration from nature to create luminescent, self-healing gels with a suite of potential applications ranging from bank note counterfeiting to next-gen bio-sensing and imaging. Crucially, the scientists have been able to introduce guanosine (a ...

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Tracking chirality in real time

“These ground-breaking experiments show that time-resolved circular dichroism is uniquely suited to capture the molecular motion that drives many (bio)chemical processes”

01-Jun-2022

Scientists at EPFL have developed a new laser-based technique that can measure ultrafast changes in the structural symmetry of molecules, called chirality, tracking their conformational shifts in real time. In a collaboration with researchers from the Universities of Geneva and Pisa, the ...

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Using X-rays to identify liquid chiral molecules

New method can for the first time distinguish their components in liquid form – and more effectively than ever before

25-May-2022

Sugars, amino acids, drugs - chiral molecules are everywhere. Researchers in the AQUACHIRAL project at the Fritz-Haber-Institut have used X-rays to study hair-thin liquid jets of these molecules. Using a new method, they can now for the first time distinguish their components in liquid form – and ...

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Controlling mirror images

Scientists has found a way to address chiral molecules separately

06-May-2022

Using a new experimental method, a team led by physicist Sandra Eibenberger-Arias of the Fritz-Haber-Institut has transferred the mirror-image forms of chiral molecules into different rotational states more efficiently than ever before. This opens doors to a deeper understanding and ...

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New mechanism to transfer chirality between molecules in the nanoscale field

Chirality: from fundamental particles to biomolecules

29-Apr-2022

If we compare the right to the left hand, we can see these are specular images —that is, like symmetrical shapes reflected in a mirror— and they cannot superimpose on each other. This property is chirality, a feature of the matter that plays with the symmetry of biological structures at different ...

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Belgian Chemist Receives 2022 Heinrich Emanuel Merck Award for Analytical Science

The groundbreaking aspect of her work centers on making circular dichroism ion spectroscopy feasible for large biomolecule ions

21-Apr-2022

Merck, a leading science and technology company, today presented Dr. Valérie Gabelica (44), Inserm, and Director of IECB, Pessac, France, with the 2022 Heinrich Emanuel Merck Award for Analytical Science. The award ceremony took place during the analytical conference EuroFAST2022, Nijmegen, the ...

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World's first confocal light microscope to study chiral molecules

This discovery is a major breakthrough that will allow researchers to analyse previously unexplored parts of biology and chemistry

03-Feb-2022

Scientists from Durham University’s Chemistry Department have developed the world’s first laser scanning confocal microscope that can harness Circularly Polarised Light (CPL) to differentiate left and right-handed molecules, also known as chiral molecules. The microscope, known as CPL Laser ...

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Overcoming False Optical Activity

Interference leads to inaccurate Raman spectroscopic analysis of vitamin B12

25-Aug-2021

Many natural products are complicated organic molecules. Despite this complexity, scientists are usually able to investigate them using spectroscopic techniques. However, a team of researchers has now discovered that care should be taken using Raman spectroscopy to analyze certain chiral ...

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Enantiomorph distribution maps for metals and metallic alloys

07-Jun-2021

The spatially resolved determination of which of the two enantiomorphic structural variants - the left-handed or the right-handed - of a chiral phase is present in a polycrystalline material is the focus of a publication in Science Advances. With the EBSD (electron backscatter diffraction) -based ...

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Detecting the handedness of a single nanoparticle

New microscope-based spectrometer records both polarization states simultaneously and permitted the first observation of a dynamically moving single nanoparticle

11-Sep-2020

Scientists from the Micro, Nano and Molecular Systems Lab at the Max Planck Institute for Intelligent Systems have developed a new spectroscopic-microscope, which can be used to observe a single nanoparticle in real time. This enabled the first detection of a nanoparticle’s handedness while it is ...

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