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Amperometric hydrogen peroxide biosensor based on the immobilization of HRP on DNA–silver nanohybrids and PDDA-protected gold nanoparticles

✍ Scribed by Liping Ma; Ruo Yuan; Yaqin Chai; Shihong Chen

Book ID
113804372
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
944 KB
Volume
56
Category
Article
ISSN
1381-1177

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## Abstract BACKGROUND: This paper describes a convenient and effective strategy to construct a highly sensitive amperometric biosensor for nitrite (NO~2~^−^) and hydrogen peroxide (H~2~O~2~). First, Pt nanoparticles (PtNPs) were electrodeposited on a glassy carbon electrode (GCE) surface, which pr