A plasmonic biosensor array by block copolymer lithography

Dong Ok Shin; Jong Ryul Jeong; Tae Hee Han; Chong Min Koo; Hye Jeong Park; Yong Taik Lim; Sang Ouk Kim

doi:10.1039/c0jm01319f

A plasmonic biosensor array by block copolymer lithography

Dong Ok Shin, Jong Ryul Jeong, Tae Hee Han, Chong Min Koo, Hye Jeong Park, Yong Taik Lim, Sang Ouk Kim

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

74 Citations (Scopus)

Abstract

Highly uniform and dense, hexagonal noble metal nanoparticle arrays were achieved on large-area transparent glass substrates via scalable, parallel processing of block copolymer lithography. Exploring their localized surface plasmon resonance (LSPR) characteristics revealed that the Ag nanoparticle array displayed a UV-vis absorbance spectrum sufficiently narrow and intense for biosensing application. A highly-sensitive, label-free detection of prostate cancer specific antibody (anti-PSA) with sub-ng ml^-1 level detection limit (0.1∼1 ng ml^-1) has been accomplished with the plasmonic nanostructure. Our approach offers a valuable route to a low-cost, manufacture-scale production of plasmonic nanostructures, potentially useful for various photonic and optoelectronic devices.

Original language	English
Pages (from-to)	7241-7247
Number of pages	7
Journal	Journal of Materials Chemistry
Volume	20
Issue number	34
DOIs	https://doi.org/10.1039/c0jm01319f
Publication status	Published - 2010 Sep 14
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Materials Chemistry

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10.1039/c0jm01319f

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title = "A plasmonic biosensor array by block copolymer lithography",

abstract = "Highly uniform and dense, hexagonal noble metal nanoparticle arrays were achieved on large-area transparent glass substrates via scalable, parallel processing of block copolymer lithography. Exploring their localized surface plasmon resonance (LSPR) characteristics revealed that the Ag nanoparticle array displayed a UV-vis absorbance spectrum sufficiently narrow and intense for biosensing application. A highly-sensitive, label-free detection of prostate cancer specific antibody (anti-PSA) with sub-ng ml-1 level detection limit (0.1∼1 ng ml-1) has been accomplished with the plasmonic nanostructure. Our approach offers a valuable route to a low-cost, manufacture-scale production of plasmonic nanostructures, potentially useful for various photonic and optoelectronic devices.",

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AU - Shin, Dong Ok

AU - Jeong, Jong Ryul

AU - Han, Tae Hee

AU - Koo, Chong Min

AU - Park, Hye Jeong

AU - Lim, Yong Taik

AU - Kim, Sang Ouk

PY - 2010/9/14

Y1 - 2010/9/14

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AB - Highly uniform and dense, hexagonal noble metal nanoparticle arrays were achieved on large-area transparent glass substrates via scalable, parallel processing of block copolymer lithography. Exploring their localized surface plasmon resonance (LSPR) characteristics revealed that the Ag nanoparticle array displayed a UV-vis absorbance spectrum sufficiently narrow and intense for biosensing application. A highly-sensitive, label-free detection of prostate cancer specific antibody (anti-PSA) with sub-ng ml-1 level detection limit (0.1∼1 ng ml-1) has been accomplished with the plasmonic nanostructure. Our approach offers a valuable route to a low-cost, manufacture-scale production of plasmonic nanostructures, potentially useful for various photonic and optoelectronic devices.

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