Fast catalytic and electrocatalytic oxidation of sodium borohydride on palladium nanoparticles and its application to ultrasensitive DNA detection

Jagotamoy Das; Heonjo Kim; Kyungmin Jo; Kang Hyun Park; Sangyong Jon; Kwangyeol Lee; Haesik Yang

doi:10.1039/b912450k

Fast catalytic and electrocatalytic oxidation of sodium borohydride on palladium nanoparticles and its application to ultrasensitive DNA detection

Chem Commun (Camb). 2009 Nov 14:(42):6394-6. doi: 10.1039/b912450k. Epub 2009 Oct 1.

Authors

Jagotamoy Das¹, Heonjo Kim, Kyungmin Jo, Kang Hyun Park, Sangyong Jon, Kwangyeol Lee, Haesik Yang

Affiliation

¹ Department of Chemistry and Chemistry Institute of Functional Materials, Pusan National University, Busan 609-735, Korea.

PMID: 19841788
DOI: 10.1039/b912450k

Abstract

We report an ultrasensitive DNA sensor using the rapid enhancement of electrocatalytic activity of DNA-conjugated Pd nanoparticles (NPs); the rapid enhancement results from the fast catalytic hydrolysis of NaBH(4) on Pd NPs and subsequent fast hydrogen sorption into Pd NPs.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Borohydrides / chemistry*
Catalysis
DNA / analysis*
Hydrogen-Ion Concentration
Hydrolysis
Metal Nanoparticles / chemistry*
Oxidation-Reduction
Palladium / chemistry*

Substances

Borohydrides
Palladium
sodium borohydride
DNA