News International Sugar Journal

Improving longevity of materials via ‘molecular levers’ [Registered]

In a forced game of molecular tug-of war, some strings of atoms can act like a lever, accelerating reactions 1000 times faster than other molecules. The discovery suggests that scientists could use these molecular levers to drive chemical and mechanical reactivity among atoms and ultimately engineer more efficient materials. “We are interested in designing new, stress-responsive materials, so we are trying to develop reactions that are very slow normally but that can be accelerated efficiently by force,” said Duke chemist Steve Craig, who headed the research. In recent experiments, Craig and his team found that a molecule made with a…

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