Schematic (IMAGE)

The Korea Advanced Institute of Science and Technology (KAIST)

Schematic

Caption

This is a schematic illustrating the concentration of charged small molecules and the exclusion of large adhesive proteins using a charged hydrogel microbead containing an agglomerate of gold nanoparticles. The Raman signal of the small molecules is selectively amplified by the agglomerate.

Credit

KAIST

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