It took two years to get a stable, crystalline form of the hepatitis C protease enzyme for study.

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As they cool, they then solidify in the crystalline form necessary for microelectronics.

ECONOMIST: Semiconductors

In one way or another, atoms of different elements are brought close together to form their crystalline lattices.

ECONOMIST: Minerals

Sometimes two crystalline materials that do not react with each other can be mixed to form a so-called co-crystal.

ECONOMIST: A new hybrid explosive is safer to handle but still powerful