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Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
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Sensors and Materials, Volume 23, Number 4 (2011)
Copyright(C) MYU K.K.
pp. 219-228
S&M840 Research Paper of Special Issue
https://doi.org/10.18494/SAM.2011.728
Published: July 11, 2011

DNA-Mediated Sensitive Detection and Quantification of Rare Earth Ions Using Polymerase Chain Reaction [PDF]

Ken Yokawa, Takashi Kadono, Yusuke Suzuki, Takuya Suzuki, Kazuya Uezu and Tomonori Kawano

(Received October 1, 2010; Accepted November 16, 2010)

Keywords: biosensing, DNA, lanthanum PCR, rare earth, real-time PCR

In this article, a novel approach to a highly sensitive and quantitative detection of rare earth ions by the polymerase chain reaction (PCR) technique is described, by focusing on the catalytic activities of rare earth ions towards deoxyribonucleic acid (DNA). The detection of rare earth ions is based on the observation that rare earth ions such as La3+ act against PCR-dependent amplification of DNA. In addition to the detection of rare earth ions by the conventional PCR protocol with agarose gel elecrophoresis, we also quantified rare earth ions by real-time PCR. Finally, our approach using PCR greatly lowered the limit for the biochemical detection of rare earth ions at the ppb level.

Corresponding author: Tomonori Kawano


Cite this article
Ken Yokawa, Takashi Kadono, Yusuke Suzuki, Takuya Suzuki, Kazuya Uezu and Tomonori Kawano, DNA-Mediated Sensitive Detection and Quantification of Rare Earth Ions Using Polymerase Chain Reaction, Sens. Mater., Vol. 23, No. 4, 2011, p. 219-228.



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