Multi-exponentially Photoelectric Response of Bacteriorhodopsin  

作　　者：YAO Bao-Li XU Da-Lun HOU Xun HU Kun-Sheng WANG Ao-Jin 姚保利;徐大纶;侯洵;胡坤生;王敖金(State Key Laboratory of Transient Optics and Technology,Xi’an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi’an 710068;Institute of Biophysics,Chinese Academy of Sciences,Beijing 100101)

机构地区：[1]State Key Laboratory of Transient Optics and Technology,Xi’an Institute of Optics and Precision Mechanics,Chinese Academy of Sciences,Xi’an 710068 [2]Institute of Biophysics,Chinese Academy of Sciences,Beijing 100101

出　　处：《Chinese Physics Letters》2001年第1期134-136,共3页中国物理快报（英文版）

基　　金：Supported by the Foundation of State Key Laboratory of Transient Optics and Technology under Grant No.YAK9705;the President Foundation of Chinese Academy of Sciences under Grant No.40007059.

摘　　要：A thin oriented bacteriorhodopsin(bR)film is deposited on a stainless steel slide by use of the electrophoretic sedimentation method.A junction is made with electrolyte gels having a counterelectrode to construct a bR-based photoelectric detector.The photoelectric response signal to a 10ns laser pulse is measured.A theory on the photoelectric kinetics of bR is developed based on the concept of the charge displacement current and the bR photocycle rate equations.Comparison between the theoretical and experimental results proves that the bR photoelectric response to a short laser pulse is a multi-exponential process.The decay time constants and amplitudes of each exponential component are obtained by data fitting.

关 键 词：EXPONENTIAL PHOTOELECTRIC KINETICS 

分 类 号：TN2[电子电信—物理电子学]