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Rectified Photocurrent in a Protein Based Molecular Photo-diode Consisting of a Cytochrome B562-green Fluorescent Protein Chimera Self-assembled Monolayer by Bumhwan Lee; Shuji Takeda; Ken Nakajima; Jaegeun Noh; Jeongwoo Choi; Masahiko Hara; Teruyuki Nagamune is a Engineering article available to read on EtoBox.

What is Rectified Photocurrent in a Protein Based Molecular Photo-diode Consisting of a Cytochrome B562-green Fluorescent Protein Chimera Self-assembled Monolayer about?

We fabricated a self-assembled monolayer (SAM) of a chimeric protein created as a novel model protein for an artificial light-harvesting complex (LHC) composed of two proteins, cytochrome b(562) (cytb(562)) mutated for SAM fabrication (cytb(562), N22C, G82C) and enhanced green fluorescent protein (EGFP). The SAM formation of chimeric protein on a single-crystalline Au(111) substrate was confirmed by atomic force microscopy (AFM) measurement. The rectified photocurrent of the chimeric protein SAM on a gold substrate was detected by light-illumination scanning tunneling microscopy (LI-STM) co-operated with a lock-in technique. The photocurrent generation of the chimeric protein SAM was wavelength-specific to the light-illumination (488 nm), which indicated that the EGFP part of the chimera plays a role as a sensitizer in the photo-induced electron transfer process.

Who reads Rectified Photocurrent in a Protein Based Molecular Photo-diode Consisting of a Cytochrome B562-green Fluorescent Protein Chimera Self-assembled Monolayer?

Author

Bumhwan Lee; Shuji Takeda; Ken Nakajima; Jaegeun Noh; Jeongwoo Choi; Masahiko Hara; Teruyuki Nagamune

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0956-5663)

Published

2004

Language

EN

Field

Engineering (Physical Sciences)