Fabrication of zero-mode waveguide by ultraviolet nanoimprint lithography lift-off process

Junichi Wada, Shou Ryu, Yuji Asano, Taro Ueno, Takashi Funatsu, Takao Yukawa, Jun Mizuno, Takashi Tanii

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Zero-mode waveguides for single-molecule fluorescence imaging were fabricated using a simple desktop UV nanoimprint lithography system. An array of 30-to 150-nm-diameter nanoholes was successfully fabricated in an aluminum layer on a thin quartz plate by the single-step lift-off process using the UV-curable resist NIAC 707. Using the nanoholes, we performed real-time single-molecule fluorescence imaging to visualize the cochaperonin GroES binding with and dissociating from the chaperonin GroEL immobilized within the nanoholes. The demonstration revealed that the fluorescence from the GroES binding with the GroEL was three times stronger than the fluorescence from the GroES undergoing Brownian motion, and the real-time single-molecule fluorescence imaging was feasible using the zero-mode waveguide fabricated by the UV nanoimprint lithography lift-off process.

Original languageEnglish
Article number06GK07
JournalJapanese Journal of Applied Physics
Volume50
Issue number6 PART 2
DOIs
Publication statusPublished - 2011 Jun

Fingerprint

Nanoimprint lithography
Waveguides
lithography
Fluorescence
waveguides
Fabrication
fluorescence
fabrication
Imaging techniques
Molecules
molecules
Brownian movement
Quartz
Demonstrations
quartz
aluminum
Aluminum

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Fabrication of zero-mode waveguide by ultraviolet nanoimprint lithography lift-off process. / Wada, Junichi; Ryu, Shou; Asano, Yuji; Ueno, Taro; Funatsu, Takashi; Yukawa, Takao; Mizuno, Jun; Tanii, Takashi.

In: Japanese Journal of Applied Physics, Vol. 50, No. 6 PART 2, 06GK07, 06.2011.

Research output: Contribution to journalArticle

Wada, Junichi ; Ryu, Shou ; Asano, Yuji ; Ueno, Taro ; Funatsu, Takashi ; Yukawa, Takao ; Mizuno, Jun ; Tanii, Takashi. / Fabrication of zero-mode waveguide by ultraviolet nanoimprint lithography lift-off process. In: Japanese Journal of Applied Physics. 2011 ; Vol. 50, No. 6 PART 2.
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