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66 Current news about the topic chirality
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Research uncovers a new way of making chiral catalysts
11-Mar-2020
Scientists at the University of Southampton have discovered a new way to create one hand of a chiral molecule by using a mechanical bond as a catalyst. Chiral molecules are two molecules that are mirror images of each other but not identical - much like the left and right human hands. When such ...
New 3D chirality discovered and synthetically assembled
21-Feb-2020
The origin of lives of human beings, animals and plants on earth is attributed to chirality because it is necessitated for the formation of biomolecules, such as nucleic acids, proteins, carbohydrates, etc. The studies on chirality have been becoming increasingly active and extensive due to its ...
Pretty with a twist
Complex, porous, chiral nano-patterns arise from a simple linear building blocks
17-Jan-2020
Nanoscience can arrange minute molecular entities into nanometric patterns in an orderly manner using self-assembly protocols. Scientists at the Technical University of Munich (TUM) have functionalized a simple rod-like building block with hydroxamic acids at both ends. They form molecular ...
Using corkscrew lasers to separate mirror molecules
Innovative approach could deepen insight into the mysterious handedness of life
13-Dec-2019
Many of the molecular building blocks of life have two versions that are mirror images of one another, known as enantiomers. Although seemingly identical, the two enantiomers can have completely different chemical behaviour – a fact that has major implications in our day-to-day lives. For ...
Two chiral catalysts working hand in hand
Chemists develop a synthetic method providing access to different stereoisomers of a molecule
05-Dec-2019
Just as our left hand is not superposable to our right hand, the mirror image of certain molecules cannot be overlapped onto it, even when turned or twisted. These two mirror images are referred to by chemists as enantiomers and the molecule is said to be chiral. Chirality, which is a word ...
Gallium-based solvating agent efficiently analyzes optically active alcohols
20-Nov-2019
A KAIST research team has developed a gallium-based metal complex enabling the rapid chiral analysis of alcohols. A team working under Professor Hyunwoo Kim reported the efficient new alcohol analysis method using nuclear magnetic resonance (NMR) spectroscopy in iScience. Enantiopure chiral ...
Observing changes in the chirality of molecules in real time
19-Nov-2019
Chiral molecules - compounds that are mirror images of each other - play an important role in biological processes and in chemical synthesis. Chemists at ETH Zurich have now succeeded for the first time in using ultrafast laser pulses to observe changes in chirality during a chemical reaction in ...
Scientists synthesized light with new intrinsic chirality to tell mirror molecules apart
Let there be… a new light
30-Oct-2019
Light is the fastest way to distinguish right- and left-handed chiral molecules, which has important applications in chemistry and biology. However, ordinary light only weakly senses molecular handedness. Researchers from the Max Born Institute for Nonlinear Optics and Short Pulse Spectroscopy ...
Scientists create a nanomaterial that is both twisted and untwisted at the same time
The material allows for incredibly sensitive detection of the direction molecules twist
17-Sep-2019
A new nanomaterial developed by scientists at the University of Bath could solve a conundrum faced by scientists probing some of the most promising types of future pharmaceuticals. Scientists who study the nanoscale - with molecules and materials 10,000 smaller than a pinhead - need to be able to ...
Duplicate or mirror? Laser light determines chirality of molecules
19-Mar-2019
Seven of the ten most frequent medications contain chiral agents. These are molecules that occur in right- or left-handed forms. During chemical synthesis both forms usually occur in equal parts and have to be separated afterward, because chirality determines the agent’s effect in the body. ...
