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 journalArticle

69 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 languageEnglish
Pages (from-to)7241-7247
Number of pages7
JournalJournal of Materials Chemistry
Volume20
Issue number34
DOIs
Publication statusPublished - 2010 Sep 14
Externally publishedYes

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Biosensors
Lithography
Block copolymers
Nanostructures
Photonic devices
Metal nanoparticles
Surface plasmon resonance
Precious metals
Antibodies
Optoelectronic devices
Labels
Anti-Idiotypic Antibodies
Nanoparticles
Glass
Substrates
Processing
Costs

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry

Cite this

Shin, D. O., Jeong, J. R., Han, T. H., Koo, C. M., Park, H. J., Lim, Y. T., & Kim, S. O. (2010). A plasmonic biosensor array by block copolymer lithography. Journal of Materials Chemistry, 20(34), 7241-7247. https://doi.org/10.1039/c0jm01319f

A plasmonic biosensor array by block copolymer lithography. / Shin, Dong Ok; Jeong, Jong Ryul; Han, Tae Hee; Koo, Chong Min; Park, Hye Jeong; Lim, Yong Taik; Kim, Sang Ouk.

In: Journal of Materials Chemistry, Vol. 20, No. 34, 14.09.2010, p. 7241-7247.

Research output: Contribution to journalArticle

Shin, DO, Jeong, JR, Han, TH, Koo, CM, Park, HJ, Lim, YT & Kim, SO 2010, 'A plasmonic biosensor array by block copolymer lithography', Journal of Materials Chemistry, vol. 20, no. 34, pp. 7241-7247. https://doi.org/10.1039/c0jm01319f
Shin, Dong Ok ; Jeong, Jong Ryul ; Han, Tae Hee ; Koo, Chong Min ; Park, Hye Jeong ; Lim, Yong Taik ; Kim, Sang Ouk. / A plasmonic biosensor array by block copolymer lithography. In: Journal of Materials Chemistry. 2010 ; Vol. 20, No. 34. pp. 7241-7247.
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