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Learning from purple photosynthetic bacteria – how to use solar energy to
make fuels.Autumn in Glasgow
London May 2010
Global Energy Consumption, 20014.66
2.89 2.98
0.285
1.24
0.286
0.92
0
1
2
3
4
5
TW
Oil Coal Biomass NuclearGas Hydro Renew
Total: 13.2 TW
The essence of photosynthesis
ATP synthase
ATPADP + Pi
H+
H+
H+
H+
LH2 LH1
RC
Light
Cyt c
Q
Q
Q
Q
Q
Q
e-
e-e-
B800
B850 B880
Cytochrome b/c1
Cytoplasm
Periplasm
QB
Q
Q A
Q B
System of pigments in RC
Photosynthetic system of purple bacteria in the intracytoplasmic membrane
Fe
LH2 complex from Rps. acidophila
Pigment organisation in LH2
Artificial mimic of LH2
The structure of the RC from Rb. sphaeroides
Artificial RC triad
LH2
APS
Cover glass 25m
40μm
LH2
25m
Various patterns can be formed with controlled UV-irradiation.
fluorescence intensity profile
Confirmation of dot patterning of LH2 complex
Confirmed the formation 25μm dot patterns of LH2 on glass substrate.
This research has been funded by
BBSRC
EPSRC
DOE
HFSP
EU