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1 yclohexadiene, 2,4,6-(t)Bu3C6H2OH) to afford ferrous amido product ((Ar)L)Fe(NHAd), and can mediate i
2 7112.2 eV, 6: 7112.4 eV) as compared with a ferrous amine adduct ((Ar)L)FeCl(NH2Ad) (7: 7110.3 eV).
3 NMR studies showed that Fe(2+) from added ferrous ammonium sulfate binds IscX much more avidly tha
7 the slopes of the bands on concentration of ferrous and ferric ions, it was possible to estimate the
10 d with chloroquine resistance transport both ferrous and ferric iron, albeit with different kinetics.
11 the bis-imidazole model complex and cyt c in ferrous and ferric oxidation states show quantitative di
12 showed that the heme is pentacoordinate when ferrous and in the hydroxide-ligated form when ferric, e
13 dz forest, which is close to a foundry using ferrous and non-ferrous metals could result in a Hg inta
14 hyrin where the pre-equilibria among ferric, ferrous, and ferric-superoxide intermediates have been q
15 sample containing 2-30 mum grains of various ferrous- and ferric-iron containing minerals, including
17 as well as nickel and cobalt recovered in a ferrous-based pregnant leach solution (PLS), facilitatin
18 ferrous fumarate in wheat flour in 2002, and ferrous bisglycinate was added to maize flour in 1999 an
27 oxidation state containing oxidized Pdx and ferrous CO-bound P450cam, showing that P450cam remains c
30 ctivity and regulates appearance of the free ferrous deoxy-NGB, which is the redox active form of the
32 ght into the mechanism for conversion of the ferrous-dioxygen complex into the reactive ferryl interm
33 the activity of nitrate-reducing bacteria in ferrous environments may provide a direct link between t
35 ultiple redox states, including the divalent ferrous (Fe(2+)) and the trivalent ferric (Fe(3+)) speci
36 ciently interconvert the ferric (Fe(3+)) and ferrous (Fe(2+)) forms of an immobilized NGB showed that
39 hown to reduce iron from ferric [Fe(III)] to ferrous [Fe(II)] state, but minerals that form during ir
40 c dithienylethene spacer predictably forms a ferrous [Fe2 L3 ](4+) helicate exhibiting spin crossover
41 ems (potassium ferricyanide/ferrocyanide and ferrous/ferric ammonium sulfate) yielded Nernstian slope
42 dissolve major muscle components and convert ferrous/ferric haem proteins to hemichromes with a uniqu
43 not enantiomer-specific and is stimulated by ferrous/ferric ion and reducing agents including L-ascor
44 distributing heme, iron-sulfur clusters, and ferrous/ferric ions to apoproteins remain incompletely d
46 the effects of spin (high/low) and valence (ferrous/ferric) states on iron partitioning in the deep
47 two populations have shown that the CO-bound ferrous form of the dimeric protein absorbed at 448 nm (
51 utrient powder (MNP) containing a mixture of ferrous fumarate and sodium iron EDTA (FeFum+NaFeEDTA) i
53 an ineffective fortificant, was replaced by ferrous fumarate in wheat flour in 2002, and ferrous bis
54 lementation with 60 mg of elemental iron (as ferrous fumarate, n = 237 women) or placebo (n = 233) fr
55 stants for the reaction of STAR with several ferrous globins and biomolecules were determined by kine
57 ile approach involving a direct pyrolysis of ferrous gluconate and a following removal of free iron,
58 oups of the globin chains: from paramagnetic ferrous Hb to diamagnetic ferrous oxyhemoglobin (oxyHb)
59 iation ( approximately 10-fold) of CO to the ferrous heme at physiological AdoMet concentrations.
61 lve the reaction of oxygen with the NO-bound ferrous heme complex, but the mechanistic details of the
65 e coordinated Cys differs for the ferric and ferrous heme species, with Cys binding as a thiolate and
67 ransient absorption spectrum of 4-coordinate ferrous heme to which NO rebinds with a time constant ta
69 ures of discrete [(L)Cu(II)(NO2(-))](+) plus ferrous heme-nitrosyl compounds; when the first NO(g) eq
72 ng of NO to myoglobin, giving a 6-coordinate ferrous-heme complex, was inferred from the measured Ram
73 lysulfide-carrying hemoglobin derivatives to ferrous hemoglobin, thus completing the methemoglobin-de
75 nt in promoting amino acid formation: Purely ferrous hydroxides did not drive reductive amination but
77 nal Fe(II) is incorporated into siderite and ferrous hydroxy carbonate, along with magnetite, in ferr
79 s mechanistic proposal involving exclusively ferrous intermediates and highlight the importance of th
81 ydrazy (DPPH) radical scavenging activities, ferrous ion chelating abilities and reducing power resul
84 o the passive-gradient model, the removal of ferrous ion from the site of release sustains the gradie
86 against M. tuberculosis is dependent on high ferrous ion levels and reactive oxygen species productio
87 ntinuous photolysis of 7b in the presence of ferrous ion or thiophenol produces good yields of dA, wh
88 Emulsions containing beta-glucan, oil and ferrous ion showed significant viscosity and molecular w
91 ghest antioxidant activity (57.11 mug mL(-1) Ferrous Ion-chelating Ability, 221.46 mug mL(-1) Hydroxy
92 Singlet oxygen quenching, reducing power and ferrous ion-chelating activities of CS were also pronoun
96 cals (866.9 +/- 10.6 uM TE/g) and to chelate ferrous ions (75 +/- 0.4%) while displaying the second s
97 estigates the impact of redox reactions with ferrous ions (Fe2+) on the colloidal stability of CeO2 N
99 dominantly in the reduced ferrous state, but ferrous ions alone cannot form polynuclear iron-sulfur c
103 Apparent negative-feedback inhibition by ferrous ions is documented at nanomolar concentrations,
104 release of AA, resulting in the increase of ferrous ions through the redox reaction between AA and I
108 ates of the Fenton reaction, by assimilating ferrous iron (Fe(2+)) and inducing the decomposition of
109 iron minerals from the metabolism of soluble ferrous iron (Fe(2+)) coupled to the reduction of nitrat
111 ulfoxy species (e.g., S2O3(2-), SO4(2-)) and ferrous iron (Fe(2+)) to the solution and also producing
113 e employed a new proxy, carbonate associated ferrous iron (Fe(carb)), to quantify the seafloor oxygen
115 and hydrological processes: the oxidation of ferrous iron (Fe(II)) and the subsequent formation of pa
116 Neutrophilic microbial aerobic oxidation of ferrous iron (Fe(II)) is restricted to pH-circumneutral
119 A chemical pathway involving reaction of ferrous iron (Fe2+) with nitrite (NO2-), an intermediate
120 (7) complex is best described as a high spin ferrous iron (S=2) antiferromagnetically coupled to an N
121 we demonstrate the role of chemolithotrophic ferrous iron [Fe(II)]-oxidizing bacteria in biogeochemic
123 ients, however, suggesting that the heme and ferrous iron acquisition pathways of P. aeruginosa are m
124 ansporter-1 (DMT1) mediates the transport of ferrous iron across the apical membrane of enterocytes.
125 c, and superstoichiometric concentrations of ferrous iron and anthrahydroquinone disulfonate within a
126 sults suggest an ordered stepwise binding of ferrous iron and dioxygen to the ferroxidase site in pre
131 te ferric iron reduction, with the resulting ferrous iron being available to the bacterium for uptake
133 e-O2 bonding situation includes in essence a ferrous iron center, minor superoxide character of the n
134 ic iron assay was used to measure ferric and ferrous iron content in the lesions and the healthy myoc
135 empower enzyme function, and also how labile ferrous iron contributes to iron-dependent cell death (f
136 iron deficiency recommend daily provision of ferrous iron divided through the day to increase absorpt
137 supported by the synergistic actions of the ferrous iron efflux transporter, ferroportin (Fpn) and a
138 how that glutathione depletion is coupled to ferrous iron elevation in these animals, and that both o
143 view recent insights into the role of labile ferrous iron in biology and disease, and describe new th
144 xide overproduction and accumulation of free ferrous iron in mitochondria caused by oxidative damage
146 he abundance of methylotrophy substrates and ferrous iron in situ, which underlines the essentiality
147 d and tested for their capacities to oxidize ferrous iron in synthetic and actual acid mine drainage
149 ecreased, with lower soil nitrate and higher ferrous iron in the low marsh compared to the mid and hi
151 Abundant iron oxides and high dissolved ferrous iron indicate iron reduction in the methanogenic
152 e site showed that the oxidative sorption of ferrous iron is an energetically favored process at seve
153 ular, we found that the ability to transport ferrous iron is reduced by the specific polymorphisms ac
154 scopy suggests that substrate binding to the ferrous iron is through the thiol but indicates that eac
155 The reactive oxygen species produced by free ferrous iron lead to increased oxidative stress and cell
158 tem essential for photoautotrophic growth by ferrous iron oxidation, influences electron uptake.
159 ter adding 48 ferrous iron to apo-PmFTN (two ferrous iron per subunit), and a much slower phase due t
160 um, sodium and total nitrogen, and decreased ferrous iron relative to the dry season (January 2011).
161 ted to be associated with the oral intake of ferrous iron salts (i.e. nausea, vomiting, heartburn, ab
163 be associated with sulfide phases, including ferrous iron sulfide (FeS), which can sorb or be copreci
164 (II) which involved the surface oxidation of ferrous iron surface complexes ( identical withS(S,W)OFe
165 rified enzyme was activated more strongly by ferrous iron than by other metals, and only this metallo
166 w-temperature hydrothermal vents enriched in ferrous iron that supports extensive microbial mats.
167 ase site, which is saturated after adding 48 ferrous iron to apo-PmFTN (two ferrous iron per subunit)
168 coproporphyrinogen to coproporphyrin, insert ferrous iron to make Fe-coproporphyrin (coproheme), and
169 probe that couples Fenton-type reaction with ferrous iron to subsequent protein labeling via concomit
170 gulator (Fur) has been thought to respond to ferrous iron to transcriptionally regulate genes require
176 e culture medium triggered expression of the ferrous iron transporter LIT1 (Leishmania iron transport
177 ation of the ferric iron reductase LFR1, the ferrous iron transporter LIT1, and the heme transporter
178 train containing an inactivated feoB-encoded ferrous iron transporter results in increased bacterial
179 Deletion of feoB, which encodes a putative ferrous iron transporter, retarded replication of the LV
181 on siderophore-mediated ferric iron uptake, ferrous iron uptake, or heme uptake at different points
182 When fed with actual mine water, >90% of ferrous iron was oxidized at D values of 0.4 h(-1), and
185 on mediated by chemical species (sulfide and ferrous iron) and the common metal-reducing microbe Shew
187 eme into the bilirubin precursor biliverdin, ferrous iron, and CO during B. pseudomallei infection.
188 e" iron concentration is elevated, Fur binds ferrous iron, and the iron-bound Fur represses the genes
189 deR represses gene expression in response to ferrous iron, and we here demonstrate that SirR (Rv2788)
190 e, forming a strong hexadentate complex with ferrous iron, by three consecutive oxidation steps.
191 in light of the Fenton chemistry promoted by ferrous iron, suggest a new category of therapeutics exh
192 Because dicotyledonous plants only transport ferrous iron, we checked whether embryos were capable of
194 troduces a new reactivity-based probe of the ferrous iron-dependent interactome and uncovers new targ
197 e reduction extents and rates during abiotic ferrous iron-induced transformation of six-line ferrihyd
201 ontributions of an individual regulator, the ferrous iron-responsive regulatory element, BqsR, on glo
208 invariance of *Trp decay times in ferric and ferrous Mbs raises the question as to whether electron t
210 is close to a foundry using ferrous and non-ferrous metals could result in a Hg intake that exceeds
211 xygen-evolving electrocatalyst consisting of ferrous metaphosphate on self-supported conductive nicke
215 H bonds, but decay via N-O bond homolysis to ferrous or ferric iron hydroxides in the presence of 1,4
216 idoreductase that reduces ferric iron to the ferrous oxidation state, in the Broad Institute Cancer C
218 (lipid hydroperoxides) were measured with a ferrous oxidation-xylenol orange (FOX) assay and volatil
222 hree distinct steps: 1) initial oxidation of ferrous (oxy) to ferryl Hb; 2) autoreduction of the ferr
223 from paramagnetic ferrous Hb to diamagnetic ferrous oxyhemoglobin (oxyHb) with reversibly bound O2,
224 ic porphyrin, [Fe(III)(TPP)](+)(,) forms the ferrous porphyrin, Fe(II)(TPP), which binds O(2) reversi
226 e stability of heme coordination upon ferric/ferrous redox cycling is a crucial property of the const
227 1-picrylhydrazyl (DPPH) scavenging activity, ferrous reducing antioxidant power (FRAP), total phenoli
228 inding to the haem decreases activity, while ferrous RsbR results in increased activity, suggesting t
230 des values between $1.32 and $145 per ton of ferrous scrap for this material, if recoverable as pure
232 eme-free, ferric, and nitric oxide-sensitive ferrous sGC in cells and tissues, we propose that cinaci
233 ave calculated the average Nd content in the ferrous shredder product stream to be between 0.13 and 0
234 uctures derived from anaerobically grown and ferrous soaked crystals revealed only one ferrous iron i
235 n crystals at increasing exposure times to a ferrous solution showed the progressive formation of a t
238 O/Fe ratio in FeO(2)Hx, iron remains in the ferrous, spin-paired and non-magnetic state at 60-133 GP
239 early Earth was predominantly in the reduced ferrous state, but ferrous ions alone cannot form polynu
240 ric IDO1 and reduce it to the oxygen-binding ferrous state, thus activating IDO1 to maximal turnover
244 zymes has His/Cys ligation in the ferric and ferrous states and the midpoint potentials (E(m) ) of th
247 igned to receive a 3-mo course of daily oral ferrous sulfate (2 mg . kg-1 . d-1) either concurrently
248 n-casein complex (3.4%; 1.4%, 5.4%) and from ferrous sulfate (3.9%; 1.7%, 6.1%) were not statisticall
250 the iron-casein complex relative to that of ferrous sulfate (control) when given with whole milk in
252 ize meal fortified with isotopically labeled ferrous sulfate (FeSO4; study 1) or ferric pyrophosphate
253 ts consumed a test drink with 6 mg (57)Fe as ferrous sulfate and were intravenously infused with 100
254 ths with nutritional iron-deficiency anemia, ferrous sulfate compared with iron polysaccharide comple
255 mg/kg of elemental iron once daily as either ferrous sulfate drops or iron polysaccharide complex dro
257 arrhea in the iron complex group than in the ferrous sulfate group (58% vs 35%, respectively; P = .04
258 hemoglobin increased from 7.9 to 11.9 g/dL (ferrous sulfate group) vs 7.7 to 11.1 g/dL (iron complex
259 group), 59 completed the trial (28 [70%] in ferrous sulfate group; 31 [78%] in iron polysaccharide c
260 n-casein complex was compared with that from ferrous sulfate in 21 healthy women aged 20-38 y with no
262 led, ((57)Fe)-labelled, or ((58)Fe)-labelled ferrous sulfate in iron-depleted (serum ferritin </=25 m
264 oral administration of aqueous solutions of ferrous sulfate isotopically labeled with (5)(4)Fe, (5)(
266 lability value of the iron-casein complex to ferrous sulfate was determined to be 0.87 (-1 SD, +1 SD:
268 itin level increased from 3.0 to 15.6 ng/mL (ferrous sulfate) vs 2.0 to 7.5 ng/mL (iron complex) over
269 g capacity decreased from 501 to 389 mug/dL (ferrous sulfate) vs 506 to 417 mug/dL (iron complex) (a
270 e of stimulant laxatives and high-dosages of ferrous sulfate, and a significant relationship between
275 ment groups (n = 10/group) to receive either ferrous sulphate (200 mg capsules containing 65 mg of ir
276 erestingly, the co-administration of GDP and ferrous sulphate (FeSO4) ameliorated the turpentine-indu
277 uestionnaire was most discriminatory between ferrous sulphate and placebo groups were: heartburn, abd
279 of symptoms reported by participants in the ferrous sulphate group (4.6 +/- 2.0) appeared higher tha
280 of symptoms reported by participants in the ferrous sulphate group (mean +/- SEM = 6.7 +/- 1.7) was
284 inal side-effects associated with oral iron (ferrous sulphate) supplementation, and would be appropri
290 er with ferric porphyrins than corresponding ferrous systems, offering strong thermodynamic driving f
291 ((Ar)L)Fe(NAd) reacts with azide yielding a ferrous tetrazido ((Ar)L)Fe(kappa(2)-N4Ad2), undergoes i
295 orbitals resulting in a stabilization of the ferrous-thiyl radical ground state compared to the five-
297 In contrast, the Fe analogue undergoes a ferrous-to-ferric oxidation state conversion during this
298 feoABC under anaerobic conditions, allowing ferrous transport to increase even though Fur is more ac
299 ription factors Aft1 and Aft2 (activators of ferrous transport) regulate iron homeostasis in Saccharo
300 ty (AOCS), and two colorimetric methods, the ferrous xylenol orange (FOX) and ferric thiocyanate (Int