Photosensor having photosensitive part formed of purple membrane

Details Photosensor having photosensitive part formed of purple membrane Photosensor having photosensitive part formed of purple membrane

1988-03-31

1989-02-14

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

356 8, H01J 4014

Patent

active

048048348

ABSTRACT:
A photosensor uses as a photosensitive part thereof a purple membrane film which contains bacteriorhodopsin isolated from a highly halophilic bacterium and which generates a photoelectromotive force corresponding to the intensity of light absorbed, and uses as an amplifying part an FET.

REFERENCES:
patent: 3770968 (1973-11-01), Hession et al.
patent: 3995174 (1976-11-01), Zrudsky
patent: 4303831 (1981-12-01), El Hamamsy
patent: 4363963 (1982-12-01), Ando
patent: 4420724 (1983-12-01), Owen
Varo ("Dried Oriented Purple Membrane Samples", Institute of Biophysics, Biological Research Center, Szeged, 1981) (Acta biol. Acad. Sci. hung. 32 (3-4)), 301-310 (1981).
Biochemical and Biophysical Research Communications, Karoly Nagy, "Photoelectric Activity of Dried, Oriented Layers of Purple Membrane from Halobacterium Halobium", vol. 85, No. 1, 1978, Nov. 14, 1978, pp. 383-390.
Institute of Biophysics, Biological Research Center, Szedged, Hungary, G. Varo and L. Keszthelyi, "Photoelectric Signals from Dried Oriented Purple Membranes of Halobacterium Halobium", vol. 43, Jul. 1983, pp. 47-51.
Department of Biophysics, The Ohio State University, Brian M. Becher and Joseph Y. Cassim, "Improved Isolation Procedures for the Purple Membrane of Halobacterium Halobium", Preparative Biochemistry, 5(2), 1975, pp. 161-178.

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