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Fluorescence in motion

When added to viscous alcohol using a pipette, aminoquinoline slowly rises due to differences in density between the two substances, and as they mix, a fluorescent glow is emitted, visible in black light. The compound is synthesized in laboratories and could be used for protein detection. A recent paper demonstrated the system’s potential to distinguish albumin states.

Image submitted by Bruna Pastrello, a PhD student at São Paulo State University (UNESP), Bauru campus.