AI Article Synopsis
- Conformational selection is crucial for molecular recognition in biology but has not been thoroughly studied in synthetic polymers, particularly when in bulk states.! -
- This research highlights how atactic polystyrene melts exhibit different conformational behaviors when interacting with anthracene and pyrene, leading to trans and gauche conformations, respectively.! -
- The differences in conformations are due to unique π-π interaction geometries, explained by a "polymer cage" model, offering new insights into polymer structuring at the secondary structure level.!
Article Abstract
Conformational selection, pivotal in biological molecular recognition, remains underexplored in synthetic polymers, especially in the bulk states of polymers. This study reveals distinct conformational selection behavior in atactic polystyrene melts interacting with polycyclic aromatic hydrocarbons for the first time. Remarkably, despite structural similarities, anthracene and pyrene induce distinctly different conformations-trans and gauche, respectively. This divergence, attributed to the unique π-π interaction geometries, is captured by a "polymer cage" model, providing new insights into the precise structuring of polymers at the secondary structure level.
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| http://dx.doi.org/10.1103/PhysRevLett.133.178101 | DOI Listing |
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