𝔖 Bobbio Scriptorium
✦   LIBER   ✦

A Simple and Sensitive Biosensor Based on Silver Enhancement of Aptamer-Gold Nanoparticle Aggregation

✍ Scribed by Zhen Zhang; Chunlai Chen; Xin Sheng Zhao

Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
529 KB
Volume
21
Category
Article
ISSN
1040-0397

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

A Sensitive, Label-Free, Aptamer-Based B
A Sensitive, Label-Free, Aptamer-Based Biosensor Using a Gold Nanoparticle-Initiated Chemiluminescence System
✍ Dr. Yingying Qi; Prof. Dr. Baoxin Li 📂 Article 📅 2010 🏛 John Wiley and Sons 🌐 English ⚖ 301 KB

We report a label-free, aptamer-based chemiluminescent biosensor. The biosensor relies upon the catalytic activity of unmodified gold nanoparticles (AuNPs) on the luminol-H 2 O 2 chemiluminescence (CL) reaction, and the interaction of unmodified AuNPs with the aptamer. The unmodified AuNPs can effec

Fabrication of a Sensitive Impedance Bio
Fabrication of a Sensitive Impedance Biosensor of DNA Hybridization Based on Gold Nanoparticles Modified Gold Electrode
✍ Keying Zhang; Haiyan Ma; Liping Zhang; Yuzhong Zhang 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 308 KB

## Abstract In this work, we report on the preparation of a simple, sensitive DNA impedance sensor. Firstly gold nanoparticles were electrodeposited on the surface of a gold electrode, and then probe DNA was immobilized on the surface of gold nanoparticles through a 5′‐thiol‐linker. Electrochemical

Gold-silver and silver-silver nanopartic
Gold-silver and silver-silver nanoparticle constructs based on DNA hybridization of thiol- and amino-functionalized oligonucleotides
✍ A. Steinbrück; A. Csaki; K. Ritter; M. Leich; J. M. Köhler; W. Fritzsche 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 717 KB

## Abstract Metal nanoparticle constructs of particles of different sizes and materials were prepared, using DNA as connecting element. Therefore, gold and silver nanoparticles were functionalized with complementary DNA sequences that enabled a controlled coupling. The well‐established system based