Experimental study of enhancement of the light-modulated absorption of bacteriorhodopsin-D96N films | Zendy

Yang Wen-Zheng | Zendy; Xun Hou | Zendy; Feng Chen | Zendy; Qing Yang | Zendy

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Experimental study of enhancement of the light-modulated absorption of bacteriorhodopsin-D96N films

Author(s) -

Yang Wen-Zheng,

Xun Hou,

Feng Chen,

Qing Yang

Publication year - 2004

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.53.296

Subject(s) - bacteriorhodopsin , monochromatic color , wavelength , absorption (acoustics) , optics , materials science , absorption spectroscopy , optoelectronics , physics , chemistry , membrane , biochemistry

In this paper, the light-modulated characteristics of the gene-variant bacteriorhodopsin-D96N molecule film are studied by spectrum response experiment. The absorption enhancement phenomena of BRD96N films at 550—600nm modulated light wavelength are gained, and there are different absorption changes at different monochromatic wavelengths. Using curve-fitting method, it is found that the process of the absorption change includes fast and slow responses with time constants of 30 s and 5 min respectively. Applying the relations between the absorption change and gray-scale image to the write-readout image experiment, the reverse image phenomena in a wavelength range of 550—600nm are analyzed.

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