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giovedì 23 gennaio 2020

# gst: self‐assembly of porous, chiral nano-patterns from simple building blocks.

<< Using a simple rod-like building block with hydroxamic acids at both ends scientists (..) created self- assembling porous, chiral nano structures.  >>

<< Like our left and right hands, the shape of two mirrored cage structures cannot be superimposed. Since the 19th century, academics have characterized this type of object symmetry as 'chiral,' from the ancient Greek meaning 'hand.' These kinds of molecules are frequently found in natural compounds. Chirality influences interactions of polarized light and magnetic properties and plays a vital role in life.  For example, our olfactory receptors react very differently to the two mirror images of the limonene molecule: one smells like lemon, the other like pine. This so-called chiral recognition is a process that can determine whether a molecule acts as medicine or poison. >>

Complex, porous, chiral nano-patterns arise from a simple linear building blocks. Technical University Munich. Jan 16, 2020.

https://m.phys.org/news/2020-01-complex-porous-chiral-nano-patterns-simple.html

<< Regrettably (in this specific experimental context), the end groups proved to be elusive >>

Chao Jing,  Bodong Zhang, et al. Snapshots of Dynamic Adaptation: Two‐Dimensional Molecular Architectonics with Linear Bis‐Hydroxamic Acid Modules. Angewandte Chemie International Edition. Volume 58, Issue 52. doi: 10.1002/anie.201912247. Oct 31, 2019. 

https://onlinelibrary.wiley.com/doi/full/10.1002/anie.201912247

Also

keyword 'chiral' in FonT

https://flashontrack.blogspot.com/search?q=chiral

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