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Updated: May 2, 2026

A Method for Selecting Structure-switching Aptamers Applied to a Colorimetric Gold Nanoparticle Assay
Published on: February 28, 2015
Parameters for selective colorimetric sensing of mercury(II) in aqueous solutions using mercaptopropionic
Chih-Ching Huang1, Huan-Tsung Chang
1Department of Chemistry, National Taiwan University, Taipei, Taiwan.
Abstract:
We unveil a new homogeneous assay-using mercaptopropionic acid-modified Au nanoparticles in the presence of 2,6-pyridinedicarboxylic acid for the highly selective and sensitive detection of Hg(2+) ions.
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