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Biosensors Based on Nanomaterials and Nanodevices
book

Biosensors Based on Nanomaterials and Nanodevices

by Jun Li, Nianqiang Wu
December 2017
Intermediate to advanced content levelIntermediate to advanced
517 pages
21h 5m
English
CRC Press
Content preview from Biosensors Based on Nanomaterials and Nanodevices
229Nanomaterial-Based Electrochemiluminescence Biosensors
Ru(bpy)
3
2+
serves as a ECL marker, and Fe
3
O
4
nanoparticles allow external manipulation
by a magnetic eld. This ECL sensor shows a wide linear range, high sensitivity, and good
stability. In the work of Lee et al. (Lyu et al. 2009) monodispersed MNPs were coated with
poly(3-thiopheneacetic acid) via an oxidative polymerization using KMnO
4
as an oxidant,
and the magnetic eld–driven multilayer lms of the functional MNPs were formed as
a matrix for immobilization of Ru(bpy)
3
2+
. This ECL sensor exhibited quite a low limit of
detection for TPA and also showed good reproducibility.
Recently, Jie et al. prepared a novel magnetic Fe
3
O
4
-CdSe composite QD and success-
fully applied to sensitiv ...
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Publisher Resources

ISBN: 9781466551527