In situ and fast detection of single-walled carbon nanotubes by using DNA mediated aggregation method and quartz crystal microbalance

Kuewhan Jang, Jinsung Park, Sangmyung Lee, Juneseok You, Chanho Park, Jaeryung Lee, Woonghwi Park, Jinsu Yun, Sanghyun Ahn, Sung Soo Na

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Carbon nanotubes (CNTs) have attracted great interest from scientific interest to industrial areas. Due to the toxicity effect of CNTs, assessment methods for CNTs are one of the noticeable issues. In this work, we report the in situ and fast detection of single-walled carbon nanotubes (SWCNTs) by using a quartz crystal microbalance. The detection is based on DNA hybridization between the DNA on a quartz electrode and the DNA of aggregated SWCNTs. It is shown that our detection tool is capable of the in situ and fast detection of 5 min with the limit of detection (LOD) of 10 ng ml<sup>-1</sup> in distilled water. Furthermore, our detection tool is able to detect SWCNTs in a real practical sample of tap water with the LOD of 100 ng ml<sup>-1</sup>. Our work sheds light on a direct monitoring tool that could detect and assess the toxicity of SWCNTs in a real environment.

Original languageEnglish
Article number034510
JournalJournal of Applied Physics
Volume118
Issue number3
DOIs
Publication statusPublished - 2015 Jul 21

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quartz crystals
microbalances
deoxyribonucleic acid
carbon nanotubes
crystals
toxicity
industrial areas
taps
water
quartz
electrodes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

In situ and fast detection of single-walled carbon nanotubes by using DNA mediated aggregation method and quartz crystal microbalance. / Jang, Kuewhan; Park, Jinsung; Lee, Sangmyung; You, Juneseok; Park, Chanho; Lee, Jaeryung; Park, Woonghwi; Yun, Jinsu; Ahn, Sanghyun; Na, Sung Soo.

In: Journal of Applied Physics, Vol. 118, No. 3, 034510, 21.07.2015.

Research output: Contribution to journalArticle

Jang, Kuewhan ; Park, Jinsung ; Lee, Sangmyung ; You, Juneseok ; Park, Chanho ; Lee, Jaeryung ; Park, Woonghwi ; Yun, Jinsu ; Ahn, Sanghyun ; Na, Sung Soo. / In situ and fast detection of single-walled carbon nanotubes by using DNA mediated aggregation method and quartz crystal microbalance. In: Journal of Applied Physics. 2015 ; Vol. 118, No. 3.
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