TABLE 2.
Summary of observed lifetimes, wavelength ranges of observation and assignment of components for CP29-WT complex upon excitation at 490 and 500 nm
Lifetimes | Carotenoids (L1: 87% Lutein; L2: 64% Neoxanthin, 48% Violaxanthin) | Chl b | Chl a | ||||
---|---|---|---|---|---|---|---|
490–555 nm | 555–570 nm | 610–630 and >700 nm | 640 nm | 652 nm | 670–675 nm | 682 nm | |
80 fs (60–100 fs) | Bleaching decay and SE decay and ESA rise S2,v→S2,0 | ESA rise S2,0 | Bleaching rise compensated by Car ESA rise | Bleaching rise EET from S2 | |||
150 fs (110–200 fs) | Bleaching decay and SE decay and ESA rise S2,0→S1,v | Car ESA rise for 500 nm ex (630–660 nm) | Bleaching rise EET from S2,0 (lute) | ||||
500 fs (300–900 fs) | ESA rise S1,0 | ESA decay S1,v | Bleaching rise EET from S1,v | ||||
600 fs (Ex: 490 nm only) | Bleaching decay (small direct ex.) | ||||||
1.2 ps | Bleaching decay | Bleaching rise EET from Chl b-652 | |||||
4 ps (Ex: 490 nm only) | Bleaching decay (small direct ex.) | Bleaching rise | |||||
6.5 ps | Bleaching decay | Bleaching rise EET from Chl a-670 | |||||
8–20 ps (max. 530 nm) | S1 ESA decay (viola and neo) | Part of bleaching rise EET from S1 | |||||
> 3 ns | Bleaching decay |