Bio-photosensor: Cyanobacterial photosystem I coupled with transistor via molecular wire

Nao Terasaki, Noritaka Yamamoto, Kaoru Tamada, Mineyuki Hattori, Takashi Hiraga, Akihiko Tohri, Ikutaro Sato, Masako Iwai, Michinao Iwai, Shunpei Taguchi, Isao Enami, Yasunori Inoue, Yoshinori Yamanoi, Tetsu Yonezawa, Katsuya Mizuno, Masaki Murata, Hiroshi Nishihara, Satoshi Yoneyama, Makoto Minakata, Tsutomu OhmoriMakoto Sakai, Masaaki Fujii

Research output: Contribution to journalArticle

89 Citations (Scopus)

Abstract

We report on the first successful output of electrons directly from photosystem I (PSI) of thermophilic cyanobacteria to the gate of a field-effect transistor (FET) by bypassing electron flow via a newly designed molecular wire, i.e., artificial vitamin K1, and a gold nanoparticle; in short, this newly manufactured photosensor employs a bio-functional unit as the core of the device. Photo-electrons generated by the irradiation of molecular complexes composed of reconstituted PSI on the gate were found to control the FET. This PSI-bio-photosensor can be used to interpret gradation in images. This PSI-FET system is moreover sufficiently stable for use exceeding a period of 1 year.

Original languageEnglish
Pages (from-to)653-659
Number of pages7
JournalBiochimica et Biophysica Acta - Bioenergetics
Volume1767
Issue number6
DOIs
Publication statusPublished - Jun 1 2007
Externally publishedYes

Fingerprint

Photosystem I Protein Complex
Transistors
Field effect transistors
Wire
Electrons
Vitamin K 1
Cyanobacteria
Gold
Nanoparticles
Irradiation
Equipment and Supplies

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Cell Biology

Cite this

Bio-photosensor : Cyanobacterial photosystem I coupled with transistor via molecular wire. / Terasaki, Nao; Yamamoto, Noritaka; Tamada, Kaoru; Hattori, Mineyuki; Hiraga, Takashi; Tohri, Akihiko; Sato, Ikutaro; Iwai, Masako; Iwai, Michinao; Taguchi, Shunpei; Enami, Isao; Inoue, Yasunori; Yamanoi, Yoshinori; Yonezawa, Tetsu; Mizuno, Katsuya; Murata, Masaki; Nishihara, Hiroshi; Yoneyama, Satoshi; Minakata, Makoto; Ohmori, Tsutomu; Sakai, Makoto; Fujii, Masaaki.

In: Biochimica et Biophysica Acta - Bioenergetics, Vol. 1767, No. 6, 01.06.2007, p. 653-659.

Research output: Contribution to journalArticle

Terasaki, N, Yamamoto, N, Tamada, K, Hattori, M, Hiraga, T, Tohri, A, Sato, I, Iwai, M, Iwai, M, Taguchi, S, Enami, I, Inoue, Y, Yamanoi, Y, Yonezawa, T, Mizuno, K, Murata, M, Nishihara, H, Yoneyama, S, Minakata, M, Ohmori, T, Sakai, M & Fujii, M 2007, 'Bio-photosensor: Cyanobacterial photosystem I coupled with transistor via molecular wire', Biochimica et Biophysica Acta - Bioenergetics, vol. 1767, no. 6, pp. 653-659. https://doi.org/10.1016/j.bbabio.2006.11.008
Terasaki, Nao ; Yamamoto, Noritaka ; Tamada, Kaoru ; Hattori, Mineyuki ; Hiraga, Takashi ; Tohri, Akihiko ; Sato, Ikutaro ; Iwai, Masako ; Iwai, Michinao ; Taguchi, Shunpei ; Enami, Isao ; Inoue, Yasunori ; Yamanoi, Yoshinori ; Yonezawa, Tetsu ; Mizuno, Katsuya ; Murata, Masaki ; Nishihara, Hiroshi ; Yoneyama, Satoshi ; Minakata, Makoto ; Ohmori, Tsutomu ; Sakai, Makoto ; Fujii, Masaaki. / Bio-photosensor : Cyanobacterial photosystem I coupled with transistor via molecular wire. In: Biochimica et Biophysica Acta - Bioenergetics. 2007 ; Vol. 1767, No. 6. pp. 653-659.
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