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UCLA physicists have made nanomechanical measurements of unprecedented resolution on protein molecules.

The new measurements, by UCLA physics professor Giovanni Zocchi and former UCLA physics Yong Wang, are approximately 100 times higher in resolution than previous mechanical measurements, a feat which reveals an isolated molecule, surprisingly, is neither a nor a liquid.

"Proteins are the molecular machines of life, the molecules we are made of," Zocchi said. "We have found that sometimes they behave as a solid and sometimes as a liquid.

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