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; Sungsoo Na

doi:10.1063/1.4926787

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, Sungsoo Na

Research output: Contribution to journal › Article › peer-review

2 Citations (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^-1 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^-1. Our work sheds light on a direct monitoring tool that could detect and assess the toxicity of SWCNTs in a real environment.

Original language	English
Article number	034510
Journal	Journal of Applied Physics
Volume	118
Issue number	3
DOIs	https://doi.org/10.1063/1.4926787
Publication status	Published - 2015 Jul 21

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.4926787

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

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-1 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-1. Our work sheds light on a direct monitoring tool that could detect and assess the toxicity of SWCNTs in a real environment.",

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T1 - In situ and fast detection of single-walled carbon nanotubes by using DNA mediated aggregation method and quartz crystal microbalance

AU - Jang, Kuewhan

AU - Park, Jinsung

AU - Lee, Sangmyung

AU - You, Juneseok

AU - Park, Chanho

AU - Lee, Jaeryung

AU - Park, Woonghwi

AU - Yun, Jinsu

AU - Ahn, Sanghyun

AU - Na, Sungsoo

PY - 2015/7/21

Y1 - 2015/7/21

N2 - 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-1 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-1. Our work sheds light on a direct monitoring tool that could detect and assess the toxicity of SWCNTs in a real environment.

AB - 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-1 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-1. Our work sheds light on a direct monitoring tool that could detect and assess the toxicity of SWCNTs in a real environment.

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

Abstract

ASJC Scopus subject areas

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