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1 Fe3 Mo3 C supported IrMn as a bifunictional catalysts ex
2 Fe3+ and Pb2+ inhibited weakly, exhibiting Kis of 50 mic
3 Fe3+ was detected indirectly by reducing the nonabsorbin
4 econstituted to various core sizes (100-3500 Fe3+/HoSF) by depositing Fe(OH)3 within the hollow HoSF
5 ue, yolk-shell structured MPHNs comprising a Fe3 O4 core within a hollow cavity encircled by a porous
9 implied the concerted involvement of both an Fe3+ reductase and FeoB in the uptake of Fe supplied as
11 te labile cytoslic Fe2+, and calcein plus an Fe3+ chelator to estimate total cytosolic labile iron (F
14 In contrast, as estimated by calcein and Fe3+ chelator, total erythrocyte labile iron was similar
16 d with adriamycin, dithiothreitol (DTT), and Fe3+ under aerobic, aqueous conditions yields double-str
18 tendency to form ordered arrays of Fe2+ and Fe3+ ions competes with the topological frustration of t
19 gly depend on the speciation of the Fe2+ and Fe3+ phases, although the underlying reasons remain uncl
22 product phosphate to both the Fe3+-Fe2+ and Fe3+-Zn2+ forms of calcineurin led to perturbations of t
25 des based on a polypyrrole gel framework and Fe3 O4 nanoparticles as a model system in this study dem
31 embers of the spinel ferrite family, such as Fe3 O4 and CoFe2 O4 , which have similar crystallographi
32 o those on GC, but for redox systems such as Fe3+/2+, ascorbic acid, dopamine, and oxygen, the kineti
35 vesicle assembled from Janus amphiphilic Au-Fe3 O4 NPs grafted with polymer brushes of different hyd
36 nic behavior between Au NPs, Au NPPs, and Au-Fe3 O4 NPPs; magnetic studies found that the addition of
38 esicle shell is composed of two layers of Au-Fe3 O4 NPs in opposite direction, and the orientation of
39 t was determined that some metal ions (Be2+, Fe3+, Al3+, Ru2+ and Dy2+) are extraordinarily disruptiv
41 ults demonstrate that the reactivity between Fe3+ and dopamine quickly facilitates the degradation of
43 d amino acid analysis shows that Y447H binds Fe3+ in approximately 10 of the 12 active sites of 3,4-P
45 A new metal-organic framework, Fe-BTTri (Fe3[(Fe4Cl)3(BTTri)8]2.18CH3OH, H3BTTri =1,3,5-tris(1H-1
46 Transcription of the ugd gene is induced by Fe3+ via the PmrA-PmrB two-component system and by low M
49 ch issues, well-designed yolk-shelled carbon@Fe3 O4 (YSC@Fe3 O4 ) nanoboxes as highly efficient sulfu
51 oms are fused to afford the tri-iron cluster Fe3(COT)3, which is a hydrocarbon analog of Dewar's clas
53 ely 100 times higher than that of commercial Fe3 O4 (Feridex, ILP = 0.15 nH m(2) kg(-1) ) at Happl .f
54 Reaction of a trinuclear iron(II) complex, Fe3 Br3 L (1), with KC8 under N2 leads to dinitrogen act
56 metal-organic frameworks (MOFs), containing Fe3-mu3-oxo clusters, are proposed as visible light phot
59 acity to provide a proton for proton-coupled Fe3+ reduction, and (3) strong hydrogen bond acceptance
64 CO) system comprised of dithiothreitol (DTT)/Fe3+/O2 but not by the ascorbate/Fe3+/O2 MCO system.
65 res of DNA and adriamycin incubated with DTT/Fe3+, H2O2, or formaldehyde all show DS DNA bands on DPA
66 ling on the lithiation kinetics in epitaxial Fe3 O4 thin film on a Nb-doped SrTiO3 substrate is inves
68 m is activated in a pmrA mutant experiencing Fe3+ and low Mg2+, resulting in expression of both cps a
70 ized, reconstituted anaerobically with Fe2+, Fe3+, and S2-, and characterized by Mossbauer, EPR, and
71 rements at atmospheric pressure suggest Fe2+-Fe3+ hopping (small polaron) as the dominant conductivit
72 m (< 0.1 microM Mn2+), but not in iron (Fe2+/Fe3+)-limited medium, and was enhanced in the presence o
73 d a working electrode, we show that the Fe2+/Fe3+ couple in SWa-1 is redox-active over a large range
75 soils have favoured the formation of ferric (Fe3+)-rich minerals, such as goethite, rather than sider
80 0.6 x 10(-6) M for Fe2+ and 2 x 10(-6) M for Fe3+ were obtained with 300 nm thick films after 30 min
81 hat the transporter has high specificity for Fe3+ and selectivity for trivalent metals, including Ga3
83 ection enables Fe2+ to be distinguished from Fe3+, which is the first step in developing a sensor for
87 rmed via the Fenton reaction (Fe2++H2O2+H+-->Fe3++H2O+.OH)], interferon-gamma (IFN-gamma), and calciu
88 activity pattern for 2-H as compared to 1-H; Fe3(OCHO)3L (1-3CO2) was generated from 1-H, while 2-H a
89 e formation of a hexacoordinate aquomet (H2O.Fe3+) species has been proposed to drive mechanism (iii)
90 H2O2 + Fe(3+)-nitrilotriacetic acid (H2O2 + Fe3+) to produce hydroxyl radical, and xanthine oxidase+
91 results indicate that exposure to the H2O2 + Fe3+ free radical-generating system reduces activator Ca
94 -Fe3+/2+-His18 couple, E0' = 47 mV for His82-Fe3+/2+-His18 couple, and E0' = 176 mV for the cross-rea
95 b,AC = 17 s-1 for Met80-Fe3+-His18 --> His82-Fe3+-His18 and kf,BD > 10 s-1 for His82-Fe2+-His18 --> M
97 net reduction/rearrangement reaction, His82-Fe3+-His18 + e- --> Met80-Fe2+-His18, and compared to th
101 ase activity is required for SFT function in Fe3+ transport and that Cu depletion reduces cellular ir
111 The extraordinarily high performance of IrMn/Fe3 Mo3 C bifunictional catalyst provides a very promisi
113 itive ratios of oxidized iron to total iron (Fe3+/SigmaFe), determined with Fe K-edge micro-x-ray abs
114 tin H chain is critical to store iron in its Fe3+ oxidation state, while the L chain shows iron nucle
117 (Fe(IV))(Fe(III))2 (in the case of [((tbs)L)Fe3(mu(3)-N)]NBu4) are electrochemically accessible.
118 rum compared to previously reported [((tbs)L)Fe3(mu(3)-N)]NBu4, and can be directly synthesized by pr
119 ) yields triiron mu(3)-imido cluster ((tbs)L)Fe3(mu(3)-NH) and ammonia or aniline, respectively.
121 tonation of the triiron parent imido ((tbs)L)Fe3(mu(3)-NH) with lithium bis(trimethylsilyl)amide resu
124 ) to yield triiron bis-imido complex ((tbs)L)Fe3(mu(3)-NPh)(mu(2)-NPh), which has been structurally c
125 High-spin trinuclear iron complex ((tbs)L)Fe3(thf) ([(tbs)L](6-) = [1,3,5-C6H9(NC6H4-o-NSi(t)BuMe2
126 eduction of 1,2-diphenylhydrazine by ((tbs)L)Fe3(thf) affords ((tbs)L)Fe3(mu(3)-NPh) and aniline.
128 is also achieved in the presence of ((tbs)L)Fe3(thf) to yield triiron bis-imido complex ((tbs)L)Fe3(
129 of hydrazine or phenylhydrazine with ((tbs)L)Fe3(thf) yields triiron mu(3)-imido cluster ((tbs)L)Fe3(
130 Q69E-FeSOD's apparent deviation from WT-like Fe3+ coordination in the oxidized state can be explained
131 the film and substrate, the existence of Lix Fe3 O4 rock-salt phase during lithiation consequently re
134 mplexes on the surface of colloidal magnetic Fe3 O4 /SiO2 core/shell particles, a robust and recovera
138 S is rapidly autooxidized to attain the met (Fe3+) form, whereas DosT exists in the O2-bound (oxy) fo
140 coordination forms: kb,AC = 17 s-1 for Met80-Fe3+-His18 --> His82-Fe3+-His18 and kf,BD > 10 s-1 for H
141 --> Met80-Fe2+-His18; E0' = 247 mV for Met80-Fe3+/2+-His18 couple, E0' = 47 mV for His82-Fe3+/2+-His1
145 lambdaPP results in a decrease in both mono-Fe3+ species and the appearance of a new S = 5/2, Fe(3+)
149 strated to facilitate the transport of naked Fe3+ across the periplasmic space of several Gram-negati
151 cted indirectly by reducing the nonabsorbing Fe3+-bipy complexes that accumulated in the film to abso
152 e Mn2+ and Ca2+ from the WOC and nonspecific Fe3+, a new EPR signal becomes visible upon binding of M
153 ons, the Ca2+ analogs Tb3+ and La3+ (but not Fe3+) significantly enhanced proteolytic activity, sugge
157 e better understood structural correlates of Fe3+ binding by the transferrins is the conformational s
159 nd this rate difference, the interactions of Fe3+ and Ga3+ with NAD(P)H were examined by 1H, 13C, and
160 with [2-14C]bromopyruvate in the presence of Fe3+ ions resulted in the incorporation of 0.70 mol of 1
161 under aerobic conditions in the presence of Fe3+, Fe2+, Fe2+/NADH, or Fe3+/NADH with and without eth
163 nstead, it is proposed that the reduction of Fe3+ in heme to Fe2+ oxidizes a peroxide to yield an ini
164 coli Fe-containing SOD (FeSOD), reduction of Fe3+ is accompanied by protonation of a coordinated OH-,
166 to that of blood is regulated by removal of Fe3+ by macrophages that accumulate in the thrombus duri
170 dized) Fe3+-sub-(Mn)SOD differs from that of Fe3+-SOD with respect to the EPR signals produced at bot
171 d F-, the KD for N3- is tighter than that of Fe3+-SOD, suggesting that the (Mn)SOD protein favors ani
172 tein-protein recognition during transport of Fe3+ between membranes, and may explain how these protei
174 perties and iron content consistent with one Fe3+(SCys)4 site per polypeptide but is clearly distinct
175 oxorubicin (DOX) are coupled separately onto Fe3 O4 @SiO2 and polystyrene surfaces of a unique polyst
176 , in particular, the presence of Fe2+ and/or Fe3+ chelators can influence significantly the cluster c
177 site direction, and the orientation of Au or Fe3 O4 in the shell can be well controlled by exploiting
179 ta1-40 were not aggregated by Zn2+, Cu2+, or Fe3+, indicating that histidine residues are essential f
183 ron oxidation state in the following order: (Fe3+)-NO > (Fe2+)-NO > (Fe2+)-CO > (Fe3+)-H2O > (Fe2+)-H
185 high activity for the OER while the ordered Fe3 Pt nanoalloy contributes to the excellent activity f
188 ythrocyte lysis-derived iron to paramagnetic Fe3+, which causes thrombus T1 relaxation time shortenin
190 onductivity, the carbon shells and the polar Fe3 O4 cores facilitate fast electron/ion transport and
192 show that various metal cations (principally Fe3+/Fe2+, Ni2+, and Cr3+) released from acid corrosion
194 enous anion can only stabilize oxidized Q69E-Fe3+SOD and, therefore, cannot account for the increased
197 tion of a ferrireductase that acts to reduce Fe3+ to Fe2+, with subsequent transport of the divalent
200 F ratio, Fe2+ was oxidized and the resulting Fe3+ was deposited within HoSF but no H2O2 was detected
201 e ferritin which showed decreases in several Fe3+ intermediates and stabilization of Fe2+, emphasize
206 ally chelated complexes with the active site Fe3+ that result in dissociation of the endogenous axial
209 Anaerobic titrations of the iron-substituted Fe3+-Fe2+ enzyme with dithionite resulted in a gradual l
215 the superparamagnetic mineral suggests that Fe3+ species in different environments may be translocat
218 the covalent bond between His93(F8) and the Fe3+ atom, and (3) hydrogen bonding between distal resid
219 wed substantial dipolar coupling between the Fe3+ of FeEnt and the spin label and provided an iron-ni
220 Addition of product phosphate to both the Fe3+-Fe2+ and Fe3+-Zn2+ forms of calcineurin led to pert
221 hibitors (PHB, CHB, and FHB) coordinates the Fe3+ adjacent to Wat827, resulting in a shift in its pos
222 uces Fe2+ that is a substrate for Fet3p; the Fe3+ produced by Fet3p is a ligand for the iron permease
223 onded well to the formation constant for the Fe3+-tyrosinate complex (920 s(-1)) observed previously
226 ve shown that Tyr447 is dissociated from the Fe3+ in the anaerobic 3,4-PCD complex with protocatechua
228 udies found that the addition of gold in the Fe3 O4 @hexaniobate NPPs reduced interparticle coupling
229 Fe3+-sub-(Mn)SOD and the differences in the Fe3+ coordination indicated by the EPR spectra are consi
231 ronal enzyme (nNOSox), the Fe-NO bond in the Fe3+NO complex is weaker than in the wild type enzyme, c
232 which the C3 phenolic function occupies the Fe3+ ligand site opposite the endogenous ligand Tyr408(O
234 The extraordinarily high performance of the Fe3 Pt/Ni3 FeN bifunctional catalyst makes it a very pro
239 than the wild type was to treatment with the Fe3+ chelator deferoxamine, indicating that it is defect
241 those observed upon binding the first F- to Fe3+-SOD, but the EPR spectrum obtained upon binding N3-
242 of the quench following oxidation of Fe2+ to Fe3+ at the ferroxidase center was not observed, indicat
244 se activity catalyzing conversion of Fe2+ to Fe3+, by identification of yeast copper oxidases homolog
245 , at which Fe2+ is spontaneously oxidized to Fe3+ at 37 degrees C in 20 mM Bis-Tris buffer at pH 5.8,
247 reduction of a pyrazolate-bridged triangular Fe3 (mu3 -O) core induces a cascade wherein all three me
250 n uptake was completely blocked by unlabeled Fe3+ and by other trivalent cations including Al3+, Ga3+
251 ent of Zn2+ with Fe2+ yields a mixed valence Fe3+-Fe2+ center that exhibits a characteristic EPR sign
254 ts with itself and other byssal proteins via Fe3(+)-DOPA complexes, and the mannose-binding domain in
255 initrogen activation products (2) from which Fe3 (NH)3 L (2-1; L is a cyclophane bridged by three bet
256 ary iron sources, ferritin is a complex with Fe3+ iron in a mineral (thousands of iron atoms inside a
257 cated by the EPR spectra are consistent with Fe3+-sub-(Mn)SOD's inability to oxidize O2*- and suggest
258 ptide based on the His-rich decapeptide with Fe3+, Co2+, Ni2+, Zn2+, and Cu2+ indicates that only Cu
259 shells and strong chemical interaction with Fe3 O4 cores, this unique architecture immobilizes the a
260 fer (one beta and two alpha) mechanism, with Fe3+ acting as a buffer for the spin-forbidden two-elect
261 eted, and NADPH, which is less reactive with Fe3+, functions as the major nicotinamide nucleotide red
264 or 2-H with CO2 at room temperature yielded Fe3(OCHO)(H)2L (1-CO2) or Co3(OCHO)(H)2L (2-CO2), respec
265 ell-designed yolk-shelled carbon@Fe3 O4 (YSC@Fe3 O4 ) nanoboxes as highly efficient sulfur hosts for
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