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1 e major electron carrier in the reduction of dioxygen.
2 the basis of the slow reaction of PHD2 with dioxygen.
3 removal of OCl(-) by AgNPs in the absence of dioxygen.
4 er enhances the electron acceptor ability of dioxygen.
5 t work to ameliorate the effects of limiting dioxygen.
6 isate, which was subsequently incubated with dioxygen.
7 ted to active oxygen species or to dissolved dioxygen.
8 he enzyme has to catalyze in the presence of dioxygen.
9 ring the reaction of the reduced flavin with dioxygen.
10 Complexes 1 and 2 both react rapidly with dioxygen.
11 neurosporene derivatives in the presence of dioxygen.
12 to dihydrogen and the oxidation of water to dioxygen.
13 such as transferring electrons or activating dioxygen.
14 talyzes the oxidative conversion of water to dioxygen.
15 esence of a regulatory protein (ToMOD), with dioxygen.
16 lizes the selective and tunable reduction of dioxygen.
17 active towards external substrates including dioxygen.
18 nner-sphere reduction of both superoxide and dioxygen.
19 m the {FeNO}(6) intermediate and reacts with dioxygen.
20 dation of dimethoxyphenol in the presence of dioxygen.
21 rogen electrode resulted in the formation of dioxygen (84% Faradaic yield) through multiple catalyst
22 analysis suggests two possible pathways for dioxygen access through the alpha-subunit to the diiron
33 analogous to Int1 demonstrating that initial dioxygen activation is an inner sphere Pd-based process
36 of a strictly conserved T201 residue during dioxygen activation of the enzyme, T201S, T201G, T201C,
37 e utilized as molecular models to understand dioxygen activation on M(2)O(5)(-) and M(2)O(5) clusters
38 970s-1980s, the current understanding of the dioxygen activation process in flavoenzymes is believed
39 ts suggest a similar role for protons in the dioxygen activation reactions in soluble methane monooxy
40 ntified in a previous study, is a product of dioxygen activation that is formed during aerobic oxidat
41 s, and elucidated chemical steps involved in dioxygen activation through the kinetic studies of T201(
43 TIM-barrel-fold enzymes for metal-dependent dioxygen activation, with the majority predicted to act
49 udies, rR structural characterization of the dioxygen adduct of LPO, commonly called Compound III, ha
51 can determine for an initially formed metal-dioxygen adduct, whether it exists as a superoxide or a
53 o confirm the structural formulations of the dioxygen-adducts, UV-vis and resonance Raman spectroscop
54 uclear copper-containing active site and use dioxygen and a reducing agent to oxidatively cleave glyc
56 late complex, which is capable of activating dioxygen and catalyzing its two-electron reduction to ge
57 es the disproportionation of superoxide into dioxygen and hydrogen peroxide by cycling between Ni(II)
58 e, that the reaction is initiated by triplet dioxygen and its binding to deprotonated substrate and o
59 phyrin intermediates, typically derived from dioxygen and its congeners such as hydrogen peroxide.
60 eins (FDPs) catalyze reductive scavenging of dioxygen and nitric oxide in air-sensitive microorganism
61 tozoa, serving as the terminal components to dioxygen and nitric oxide reductive scavenging pathways
63 aldehyde cleavage by the Np AD also requires dioxygen and results in incorporation of (18)O from (18)
64 s of the PHDs, in particular a high K(m) for dioxygen and slow reaction with dioxygen, are proposed t
65 to involve electron transfer from flavin to dioxygen and subsequent proton transfer to form C4a-hydr
66 prevent the reaction of reductase(TOL) with dioxygen and thus present a solution toward conflicting
67 ion of unactivated C-H bonds using molecular dioxygen and two electrons delivered by the reductase.
70 transformation of the small molecules furan, dioxygen, and nitromethane into a more complex and infor
71 supports a mechanism in which the 2 atoms of dioxygen are inserted into the substrate via a consecuti
72 igh K(m) for dioxygen and slow reaction with dioxygen, are proposed to enable their hypoxia-sensing r
73 scope, mild reaction conditions, and use of dioxygen as an oxidant both for catalyst regeneration an
74 a mononuclear non-heme-iron(II) cofactor and dioxygen as cosubstrate to cleave these C-H bonds and di
80 ds with near-native structure and reversible dioxygen binding ability equivalent to the haem protein
81 rform a diverse range of reactions including dioxygen binding and transport, electron transfer, and o
86 mined structures of S-HPP-HppE, identify the dioxygen binding site on iron and elegantly illustrate h
88 effects of subsequent intramolecular ET and dioxygen binding to the trinuclear copper cluster into t
89 influence the kinetics and thermodynamics of dioxygen binding versus release from structurally analog
90 provide evidence for a catalytic cycle where dioxygen binds prior to NO to generate an active iron(II
91 tively, followed by a faster cleavage of the dioxygen bond (4.8 mus), which generates the P intermedi
92 scopic measurements that the cleavage of the dioxygen bond may be mechanistically similar to that in
93 64) may facilitate homolytic cleavage of the dioxygen bond of 9R-HPODE with formation of compound II
94 nclude that homolysis and heterolysis of the dioxygen bond with formation of compound II in AOS and c
96 ibrium between dioxygen in bulk solution and dioxygen bound to the PHD2.Fe.2OG.HIF-alpha substrate co
98 lectrodes for reduction of carbon dioxide or dioxygen, but determining how strain affects the hydroge
101 Living organisms have adapted to atmospheric dioxygen by exploiting its oxidizing power while protect
104 ccepted mechanism for catalytic reduction of dioxygen by iron porphyrins, after checking its compatib
105 O-O bond cleaving step in the activation of dioxygen by nonheme iron enzymes and in the first step o
107 It has been proposed that DHP evolved from a dioxygen carrier globin protein and therefore possesses
109 Here, the reaction of reduced flavin and dioxygen catalyzed by pyranose 2-oxidase (P2O), a flavoe
110 dase trehalose anode and a bilirubin oxidase dioxygen cathode using Os complexes grafted to a polymer
116 the oxidation of the flavonol quercetin with dioxygen, cleaving the central heterocyclic ring and rel
117 the mechanism for conversion of the ferrous-dioxygen complex into the reactive ferryl intermediate.
119 ructure of nNOS-NHA-NO, a close mimic to the dioxygen complex, provides a picture of the potential in
120 ted to the proximal oxygen of the heme-bound dioxygen complex, thus preventing cleavage of the O-O bo
122 f biomimetic high-valent metal-oxo and metal-dioxygen complexes, which can be related to our understa
125 2))) and apparent H(2)O(2) quantum yields on dioxygen concentration for both untreated and borohydrid
126 2,4,6-trimethylphenol (TMP) loss (R(TMP)) on dioxygen concentration was examined both for a variety o
127 ell as the dependence of RH2O2 on phenol and dioxygen concentrations are consistent with a mechanism
129 ls was used to monitor in situ variations of dioxygen consumed by all mitochondria captured in the de
133 eologically reasonable changes in the global dioxygen cycle, suggesting that this CO2 source should b
134 hts into the reaction of reduced flavin with dioxygen, demonstrating that the positively charged resi
135 ble implication of O-type species in copper-/dioxygen-dependent enzymes such as tyrosinase (Ty) and p
138 of a carbon-phosphorus bond using Fe(II) and dioxygen, despite belonging to a large family of hydroly
139 bined with QM/MM trajectories to investigate dioxygen diffusion to, and binding at, the active site i
140 actor, an active-site density interpreted as dioxygen, distinct water-filled proton channels, and an
147 in biphasic radical arylation reactions with dioxygen from air as a most simple and readily available
149 ng complex (OEC) of photosystem II generates dioxygen from water using a catalytic Mn(4)CaO(n) cluste
151 ound RH can be reduced and subsequently bind dioxygen, generating oxyferrous DHP, which may represent
152 transition metal complexes that can activate dioxygen has been a challenging goal for the synthetic i
154 e, NO, the diatomic hybrid of dinitrogen and dioxygen, has extensive biochemical, industrial and atmo
155 others that catalyse halide oxidation using dioxygen, hydrogen peroxide and hydroperoxides, or that
156 nce of stoichiometric triethyl phosphite and dioxygen in air as the terminal redox reagents (redox de
157 e a manifestation of the equilibrium between dioxygen in bulk solution and dioxygen bound to the PHD2
160 is an electrocatalyst for water oxidation to dioxygen in H2PO4(-)/HPO4(2-) buffered aqueous solutions
161 se superoxide generated via the reduction of dioxygen in neutral aqueous solutions at a rotating disk
163 d substitution of nitrosyl hydride (HNO) for dioxygen in the activity of Mn-QDO, resulting in the inc
165 transfer reagents, were found to react with dioxygen in the presence of B(C6 F5 )3 , a Lewis acid un
167 of the luminescent triplet state, caused by dioxygen in water and biological fluids, reduces their p
170 nzyme to reduce O(2) rapidly, converting the dioxygen into harmless water before it can damage the pr
172 enase that incorporates one oxygen atom from dioxygen into the carbon and the other to the arsenic to
173 cifically on the direct insertion pathway of dioxygen into the Pd-H bond and pathways proceeding thro
174 porates both oxygen atoms of its cosubstrate dioxygen into the rubber cleavage product ODTD, and we s
179 n of selenocysteine or selenohomocysteine by dioxygen is achieved within a few minutes at neutral pH
180 They imply that the reversible binding of dioxygen is central to the hypoxia-sensing capacity of t
183 uble-laser excitation is introduced in which dioxygen is generated by photolyzing the O(2)-carrier wi
184 eavage of the indole ring of tryptophan with dioxygen is mediated by two heme enzymes, tryptophan 2,3
185 nsfer to a generic acceptor protein and that dioxygen is neither required for the cluster transfer re
187 actions, the catalytic oxidation of water to dioxygen is one of the crucial processes that need to be
188 uster composed of the T2 and T3 sites, where dioxygen is reduced to water in two sequential 2e(-) ste
189 After formation of the S4 state, the product dioxygen is released and the cofactor returns to its low
190 ausible reason for the low reactivity toward dioxygen is revealed by the crystal structure of the com
191 obtained from photosensitization of triplet dioxygen is shown to react with an alkene surfactant (8-
192 (PROS) in the electrocatalytic reduction of dioxygen, is a function of 2 rates: (i) the rate of elec
193 nly trigger their degradation, peroxide, and dioxygen, is orders of magnitude slower in comparison.
194 s Communication demonstrates that water, not dioxygen, is the main source of the oxygen present in th
196 P4 molecules readily react with atmospheric dioxygen, leading this form of the element to spontaneou
199 ogenase rapidly decompose in the presence of dioxygen, many free-living diazotrophs are obligate aero
204 ing the EBFCs in the presence of glucose and dioxygen, model drug compounds incorporated in the CP la
207 f reducing a variety of substrates including dioxygen, nitric oxide, nitrous oxide, 1-azido adamantan
209 enging due to the necessity of a microscopic dioxygen (O(2)) concentration gradient, which reconciles
210 oluble methane monooxygenase enzymes (sMMO), dioxygen (O(2)) is activated at a diiron(II) center to f
211 The selective electrocatalytic reduction of dioxygen (O(2)) to hydrogen peroxide (H(2)O(2)) could be
212 rds the metal-ligand water molecule, where a dioxygen O2 molecule would occupy to initiate the next r
213 reaction of transition-metal complexes with dioxygen (O2 ) is important for understanding oxidation
214 ires superoxide anion (O2(.-) ), rather than dioxygen (O2 ), to access a high-valent Mn2 oxidant.
215 Switching from hydrogen peroxide (H2O2) to dioxygen (O2) as the primary oxidant was achieved by usi
217 hemoglobin (Hb) changes with the binding of dioxygen (O2) to the heme prosthetic groups of the globi
220 minal components for reductive scavenging of dioxygen or nitric oxide to combat oxidative or nitrosat
221 s that define a diffusion-reaction model for dioxygen:PHD2 interactions; in combination with reported
224 ons of triplet quenchers relative to that of dioxygen produced only small decreases (sorbic acid) or
225 at the reaction of the diferrous enzyme with dioxygen produces stoichiometric product per cluster.
226 vent, and in many instances an atmosphere of dioxygen, promote the oxidative reaction to afford 5,5'-
231 s, Schmidt and Sherwood, in the context of a dioxygen-reducing-biocathode, under different flow-rate
232 unactivated C-H bonds, water oxidation, and dioxygen reduction are extremely important reactions in
233 bsorption study, we compared the kinetics of dioxygen reduction by ba(3) cytochrome c oxidase from Th
234 problems remain pending in the catalysis of dioxygen reduction by iron porphyrins in water in terms
235 eport a general kinetics model for catalytic dioxygen reduction on multicopper oxidase (MCO) cathodes
236 provides deep mechanistic insights into the dioxygen reduction process that should serve as useful a
239 Complex 1 acts as a unique catalyst for dioxygen reduction, whose selectivity can be changed fro
241 n be changed from a preferential 4e(-)/4H(+) dioxygen-reduction (to water) to a 2e(-)/2H(+) process (
242 on of general interest, so that reduction of dioxygen remains a topic of high importance in the conte
245 bonds requires trapping of a triplet radical dioxygen species by a cis-[Re(V)(O)(cat)(2)](-) anion.
246 in Co-BTTri are best described as cobalt(II)-dioxygen species with partial electron transfer, while t
249 which is substantially less reactive toward dioxygen than the reduced reductase in the absence of NA
250 nt turnover number (0.5 s(-1) in atmospheric dioxygen) that is at least 2 orders of magnitude more ra
251 marily through this H-bond, causes the bound dioxygen to adopt a new conformation, which presumably i
252 dation of AgNPs by OCl(-) in the presence of dioxygen to catalytic removal of OCl(-) by AgNPs in the
253 an unusual mononuclear iron enzyme that uses dioxygen to catalyze the oxidative epoxidation of (S)-2-
254 odinuclear Mn(II)/Fe(II) complex reacts with dioxygen to form a Mn(IV)/Fe(IV) intermediate, which und
255 iolate-ligated iron complex that reacts with dioxygen to form an unprecedented example of an iron sup
257 ue in copper hydroxylating enzymes activates dioxygen to form unknown oxidants, generally assumed as
258 to-5-methylthiopent-1-ene (acireductone) and dioxygen to generate formate and the ketoacid precursor
259 investigations indicated that 2 reacts with dioxygen to give a mixture of (mu-oxo)diiron(III) [Fe(2)
260 OD) catalyzes the spin-forbidden transfer of dioxygen to its N-heteroaromatic substrate in the absenc
262 ne and four glutamate residues and activates dioxygen to perform its role in the biosynthetic pathway
264 The ketyl radical then reacts rapidly with dioxygen to regenerate the ketone and form superoxide (O
266 ordered stepwise binding of ferrous iron and dioxygen to the ferroxidase site in preparation for cata
268 at the photodissociated CO impedes access of dioxygen to the heme a(3) site in ba(3), making the CO f
271 tion of their structures in the reduction of dioxygen to water by cytochrome c oxidase (CcO) are part
272 in, catalyzes the four-electron reduction of dioxygen to water in a binuclear center comprised of a h
273 e c oxidase (CcO) catalyzes the reduction of dioxygen to water utilizing a heterobinuclear active sit
274 t3p catalyzes the four-electron reduction of dioxygen to water, coupled to the one-electron oxidation
275 ogical processes, including the reduction of dioxygen to water, the reduction of CO(2) to formate, an
277 r(eta(2)-C2(SiMe3)2) (1) reacts rapidly with dioxygen to yield chromium(V) dioxo species (i-Pr2Ph)2na
278 f biomimetic Fe/Mn complexes that react with dioxygen to yield such observable metal-oxygen species a
280 of dioxygen to the active site is described; dioxygen transport follows a single well-defined hydroph
281 is stable toward dioxygen, its reaction with dioxygen under NO atmosphere forms the {FeNO}(6)(ONO) co
282 esigned a binding site with accessibility to dioxygen units in the open coordination site of the Mn c
284 x-protective role, approximately half of the dioxygen-using oxidoreductases have Tyr/Trp chain length
286 In the water-DEAS system, the evolution of dioxygen was monitored in situ in the aqueous phase by u
287 rresponding to a diatomic molecule (probably dioxygen) was sandwiched between the heme iron atom and
289 y to initiate Fe-S transfer independently of dioxygen, whereas the reduced state is a "dormant form."
290 ydroquinone solution are rapidly oxidized by dioxygen, while the semiquinone radicals generated in SR
291 y produced during the catalytic reduction of dioxygen with 80-84% selectivity, making the Mn(II)2SH c
292 adsorbents capable of selectively capturing dioxygen with a high reversible capacity is a crucial go
294 intermolecular C-H activation; reactions of dioxygen with Pt(II) complexes that may be relevant to s
295 e oxygenase (RO), catalyzes the insertion of dioxygen with stereo- and regioselectivity at the 2,3-ca
296 formally spin-forbidden reactions of triplet dioxygen with the closed shell oxorhenium(V) anions.
298 SRFA solution are resistant to oxidation by dioxygen, with the result that steady-state semiquinone
299 first-order each in ionized hydroquinone and dioxygen, yielding hydrogen peroxide stoichiometrically.