4.7 Article

Colorimetric detection of microRNA miR-21 based on nanoplasmonic core-satellite assembly

Journal

CHEMICAL COMMUNICATIONS
Volume 50, Issue 11, Pages 1366-1368

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc48154a

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Funding

  1. MSIP (Ministry of Science, ICT and Future Planning), Korea [NIPA-2013-H0203-13-1002]
  2. Ministry of Public Safety & Security (MPSS), Republic of Korea [H0201-14-1002] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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In order to detect microRNAs (miRNAs), we developed a colorimetric sensing method on the basis of the plasmonic coupling effect. Gold nanoplasmonic particles (GNPs) are assembled in a core-satellite configuration in the presence of target miRNA, inducing remarkable changes in the scattering color and spectra at the picomolar level with selectivity.

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