Fluorescence Quenching by Oxygen: “Debunking” a Classic Rule

ChemPhysChem ◽  
2010 ◽  
Vol 11 (4) ◽  
pp. 796-798 ◽  
Author(s):  
Franco M. Cabrerizo ◽  
Jacob Arnbjerg ◽  
M. Paula Denofrio ◽  
Rosa Erra-Balsells ◽  
Peter R. Ogilby
Keyword(s):  
Fluorescence Quenching ◽  
Quenching By Oxygen

Chlorophyll fluorescence quenching by oxygen in plants

1981 ◽  
Vol 59 (2) ◽  
pp. 190-198 ◽  
Author(s):  
William Vidaver ◽  
Konrad Colbow ◽  
Gordon Hall ◽  
Silvia Wessel
Keyword(s):  
Fluorescence Quenching ◽  
Fluorescence Yield ◽  
Reaction Centers ◽  
Variable Fluorescence ◽  
Chlorophyll Fluorescence Quenching ◽  
Sensitive Phase ◽  
Feedback Regulator ◽  
Quenching By Oxygen ◽  
Bean Leaves

Three distinct phases of chlorophyll a fluorescence quenching were observed in green plants by applying O2 pressures of up to 400 atm. These phases are interpreted as indications of three different mechanisms of O2 quenching. The most sensitive phase is dependent on intersystem electron transport. For dark-adapted bean leaves this fluorescence was quenched to half the initial yield with an O2 pressure of about 3 atm. The second mechanism was observed with 3-(3,4)dichlorophenyl)-1,1-dimethylurea (DCMU), namely the quenching of variable fluorescence in leaves, chloroplasts, and green algae cells. This effect of O2 is thought to be closely associated with the photochemical system II reaction centers. Half of the variable fluorescence was quenched with about 40 atm of O2. Finally, the antennae pigments are quenched, as observed by the effect of O2 on the O-level fluorescence yield, when all photochemical system II reaction center traps are presumably open. The O2 pressure required for half-quenching in this case was about 400 atm.The possibility that the quenching of fluorescence occurs with O2 concentrations low enough for endogenous O2 to have an effect on in vivo fluorescence was investigated. We suggest that O2 quenches by competing with photochemical system I for electrons derived from water splitting, and may thus function as a feedback regulator of photosynthesis.

Use of solid carbon dioxide to alleviate fluorescence quenching by oxygen

1990 ◽  
Vol 62 (23) ◽  
pp. 2654-2656 ◽  
Author(s):  
Sadao. Matsuzawa ◽  
Akihiro. Wakisaka ◽  
Mitsuhisa. Tamura
Keyword(s):  
Carbon Dioxide ◽  
Fluorescence Quenching ◽  
Solid Carbon ◽  
Solid Carbon Dioxide ◽  
Quenching By Oxygen

Chlorophyll Fluorescence Quenching by Oxygen in Maize Mesophyll and Bundle Sheath Cells

1987 ◽  
Vol 127 (1-2) ◽  
pp. 67-76 ◽  
Author(s):  
Radovan Popovic ◽  
Saravanamuthu Maheswaran ◽  
William Vidaver ◽  
Konrad Colbow
Keyword(s):  
Chlorophyll Fluorescence ◽  
Fluorescence Quenching ◽  
Bundle Sheath ◽  
Chlorophyll Fluorescence Quenching ◽  
Bundle Sheath Cells ◽  
Quenching By Oxygen ◽  
Sheath Cells

Fluorescence quenching by oxygen as derived from high excitation intensity experiments

1969 ◽  
Vol 4 (6) ◽  
pp. 338-340 ◽  
Author(s):  
I.B. Berlman ◽  
C.R. Goldschmidt ◽  
G. Stein ◽  
Y. Tomkiewicz ◽  
A. Weinreb
Keyword(s):  
Fluorescence Quenching ◽  
Excitation Intensity ◽  
High Excitation ◽  
Quenching By Oxygen

Fluorescence quenching by oxygen in reverse micellar solutions

Langmuir ◽  
1989 ◽  
Vol 5 (4) ◽  
pp. 942-947 ◽  
Author(s):  
M. Saez ◽  
E. A. Abuin ◽  
E. A. Lissi
Keyword(s):  
Fluorescence Quenching ◽  
Micellar Solutions ◽  
Quenching By Oxygen ◽  
Reverse Micellar

Fluorescence Quenching by Oxygen. Lack of Evidence for the Complex Formation of Oxygen with 9-Cyanoanthracene and Anthracene in a Supersonic Free Jet

1997 ◽  
Vol 101 (7) ◽  
pp. 1292-1298 ◽  
Author(s):  
Urs Graf ◽  
Hiromichi Niikura ◽  
Satoshi Hirayama
Keyword(s):  
Complex Formation ◽  
Fluorescence Quenching ◽  
Free Jet ◽  
Quenching By Oxygen
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