Singlet oxygen in the environmental sciences. Role of singlet molecular oxygen in the production of photochemical air pollution

1967 ◽  
Vol 1 (8) ◽  
pp. 656-657 ◽  
Author(s):  
Ahsan U. Khan ◽  
James N. Pitts ◽  
Eric Brian. Smith
Keyword(s):  
Air Pollution ◽  
Singlet Oxygen ◽  
Molecular Oxygen ◽  
Environmental Sciences ◽  
Singlet Molecular Oxygen

Singlet oxygen in the environmental sciences. Singlet molecular oxygen and photochemical air pollution

1969 ◽  
Vol 3 (3) ◽  
pp. 241-247 ◽  
Author(s):  
James N. Pitts ◽  
Ahsan U. Khan ◽  
E. Brian Smith ◽  
Richard P. Wayne
Keyword(s):  
Air Pollution ◽  
Singlet Oxygen ◽  
Molecular Oxygen ◽  
Environmental Sciences ◽  
Singlet Molecular Oxygen

The dissociation of iodine by singlet molecular oxygen; role of the vibrational reservoir state A’(2u)

1989 ◽  
Vol 91 (3) ◽  
pp. 1938-1940 ◽  
Author(s):  
M. Nota ◽  
A. J. Bouvier ◽  
R. Bacis ◽  
A. Bouvier ◽  
P. Crozet ◽  
...  
Keyword(s):  
Molecular Oxygen ◽  
Singlet Molecular Oxygen ◽  
Reservoir State

Singlet Molecular Oxygen Triggers the soxRS Regulon of Escherichia coli

2001 ◽  
Vol 382 (7) ◽  
pp. 1071-1075 ◽  
Author(s):  
Lucymara F. Agnez-Lima ◽  
Paolo Di Mascio ◽  
Bruce Demple ◽  
Carlos F.M. Menck
Keyword(s):  
Escherichia Coli ◽  
Singlet Oxygen ◽  
Molecular Oxygen ◽  
Singlet Molecular Oxygen ◽  
Signal Molecule ◽  
Present Evidence ◽  
Oxidative Stresses ◽  
Electronically Excited ◽  
Soxrs Regulon ◽  
Intercellular Signal

AbstractThe electronically excited molecular oxygen (singlet oxygen, [1]O[2]) can be detrimental to cells in several ways, although recent reports indicate that it may play a role as an intercellular signal in eukaryotes. Here we present evidence that [1]O[2], generated by thermodissociation of disodium 3,3(1,4-naphthylidene) diproprionate endoperoxide, activates transcription of genes of the soxRS regulon, and that this induction is paralleled by induction of a soxS::lacZ operon fusion. The inductions were dependent on a functional soxR gene. These data imply that protective responses, such as induction of the soxRS regulon, may be triggered by diverse environmental oxidative stresses, and that [1]O[2] may also function as a signal molecule in prokaryotes.

Generation of singlet oxygen (1O2) from hydrogen peroxide decomposition by in situ generated hypervalent iodoarene reagents

2014 ◽  
Vol 86 (6) ◽  
pp. 945-952 ◽  
Author(s):  
Erbay Kalay ◽  
Hamdullah Kılıç ◽  
Mustafa Catir ◽  
Murat Cakici ◽  
Cavit Kazaz
Keyword(s):  
Hydrogen Peroxide ◽  
Singlet Oxygen ◽  
Molecular Oxygen ◽  
Singlet Molecular Oxygen ◽  
Hydrogen Peroxide Decomposition ◽  
Co Catalyst ◽  
Peroxide Decomposition ◽  
Novel Method

AbstractA novel method for the production of singlet oxygen from H2O2 was developed. A combination of iodoarene (ArI), methyltrioxorhenium (MTO), and H2O2 in the presence of pyridine as the co-catalyst efficiently produced singlet molecular oxygen (1O2) under biphasic conditions. The existence of 1O2 was demonstrated by trapping experiments with aromatic dienes, 1,3-cyclodienes, and alkenes. The mechanism of 1O2 production from the iodoarene/MTO/35 % H2O2 system and the reaction scope was also discussed.

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