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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Su, Tao Zhong, Sheng Zhang, Yue Hu, Kun-Sheng |
| Description | Country affiliation: China Author Affiliation: Su T ( Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China.) |
| Abstract | This work examined the biotin modification of bacteriorhodopsin (BR) in the purple membrane (PM). The results of flash kinetic absorption measurements showed that photocycle was maintained in biotinylated BR. Biotinylated BR also maintained its photoelectric activity, as indicated by the photoelectric response of the bilayer lipid membrane (BLM). Atomic force microscopy (AFM) of stretavidiin-bound biotin revealed that biotin molecules covered both surfaces of the, but the amount of biotinylated BR on the extracellular (EC) surface was markedly higher than on the cytoplasmic (CP) surface. Further studies showed that, after reaction with fluorescamine (FL), biotin labeling occurred only on the CP surface. These results are informative for future work on bioconjugation of BR as well as work on oriented assembly and the design of BR-based photoelectric devices. |
| File Format | HTM / HTML |
| ISSN | 10111344 |
| Issue Number | 2 |
| Volume Number | 92 |
| e-ISSN | 18732682 |
| Journal | Journal of Photochemistry and Photobiology B: Biology |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2008-08-21 |
| Publisher Place | Switzerland |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Biology Biotin Chemistry Purple Membrane Bacteriorhodopsins Metabolism Cytoplasm Fluorescamine Halobacterium Salinarum Kinetics Microscopy, Atomic Force Photochemistry Ultrastructure Streptavidin Surface Properties Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Radiology, Nuclear Medicine and Imaging Biophysics Radiological and Ultrasound Technology Radiation |
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