🔬 Science 7h ago · Lorna Brigham

Controlling glycine polymorphs through nanoconfinement

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Controlling glycine polymorphs through nanoconfinement
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Molecules such as glycine, the simplest amino acid, can crystallise into different polymorphs with the same chemical composition but different structures. The two phases of glycine are α-glycine, which forms easily and is stable in bulk conditions, and β-glycine, which is difficult to produce and unstable in the bulk. However, β-glycine is piezoelectric; it generates electricity when compressed or bent and is therefore technologically useful.
In this work, the researchers developed a new method

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