ENERGY-TRANSFER IN THE B800-850 ANTENNA COMPLEX OF PURPLE BACTERIA RHODOBACTER-SPHAEROIDES - A STUDY BY SPECTRAL HOLE-BURNING

被引:108
作者
VANDERLAAN, H
SCHMIDT, T
VISSCHERS, RW
VISSCHER, KJ
VANGRONDELLE, R
VOLKER, S
机构
[1] LEIDEN STATE UNIV,CTR STUDY EXCITED STATE MOLECULES,2312 AV LEIDEN,NETHERLANDS
[2] LEIDEN STATE UNIV,HUYGENS & GORLAEUS LABS,2312 AV LEIDEN,NETHERLANDS
[3] FREE UNIV AMSTERDAM,FAC PHYS & ASTRON,DEPT BIOPHYS,1081 HV AMSTERDAM,NETHERLANDS
关键词
D O I
10.1016/0009-2614(90)87121-7
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The energy-transfer process within the isolated B800-850 pigment-protein complex of the purple bacterium Rhodobacter sphaeroides has been studied by means of spectral hole-burning. The band at 800 nm is inhomogeneously broadened because holes could be burnt into it. The widths of these permanent holes are independent of wavelength and temperature between 1.2 and 30 K. The BChl 800→BChl 850 energy-transfer time deduced from these widths is 2.3±0.4 ps for the isolated complex, and also for chromatophores at 1.2 K. © 1990.
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收藏
页码:231 / 238
页数:8
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