Bio-photosensor: Cyanobacterial photosystem I coupled with transistor via molecular wire.
Biochim Biophys Acta
; 1767(6): 653-9, 2007 Jun.
Article
en En
| MEDLINE
| ID: mdl-17184727
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 K(1), 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.
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Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Técnicas Biosensibles
/
Cianobacterias
/
Complejo de Proteína del Fotosistema I
Idioma:
En
Revista:
Biochim Biophys Acta
Año:
2007
Tipo del documento:
Article
País de afiliación:
Japón