ライフサイエンスコーパス: magnetite

1 hetic magnetic nanoparticle (Co-doped Fe3O4 (magnetite)).

2 ntly converted to Fe(OH)2(s) intermixed with magnetite.

3 otic or biological origin of nanocrystals of magnetite.

4 uctures consistent with biogenically derived magnetite.

5 observed between the two humidity levels for magnetite.

6 olution in the presence of an excess of nano-magnetite.

7 hemite or maghemite layers at the surface of magnetite.

8 Fh) in an organic scaffold as a precursor to magnetite.

9 ossibly lost with formation of smectite plus magnetite.

10 e the three-dimensional structure of APBs in magnetite.

11 nged through coprecipitation with neo-formed magnetite.

12 30 min) and oxidation of Sn(II) to Sn(IV) by magnetite.

13 e adsorption and eventual incorporation into magnetite.

14 exists on NO3(-) and NO2(-) reactivity with magnetite.

15 an be directly immobilized on the surface of magnetite.

16 ironmental conditions, effectively rendering magnetite a naturally occurring battery.

17 olvement of NO3(-) and nitrite (NO2(-)) with magnetite, a mixed valence Fe(2+)/Fe(3+) mineral found i

18 complexes with cosorbed Fe at the surface of magnetite, a possible consequence of the high concentrat

19 amples contaminated with PAHs and mixed with magnetite, a similar grinding-induced degradation patter

20 el papers based on epoxy nanocomposites with magnetite and carbon nanofiber (CNF) nanohybrids, withou

21 X-ray absorption spectroscopy indicate that magnetite and ferrihydrite formed in the column followin

22 acteristics of equidimensional cuboctahedral magnetite and find that, contrary to previously publishe

23 investigate the formation and persistence of magnetite and green rust (GR) NP phases produced via the

24 that secondary Fe(II)-bearing phases (e.g., magnetite and green rust), which commonly precipitate du

25 d when poorly reactive iron minerals such as magnetite and hematite were applied.

26 containing minerals, including hypersthene, magnetite and hematite, distributed in a light matrix of

27 Technetium incorporation into magnetite and its behavior during subsequent oxidation h

28 on tests using ferrous ion in suspensions of magnetite and maghemite showed that surface-bound Fe(II)

29 sing a multistage column experiment in which magnetite and other minerals formed from added nitrate a

30 In situ precipitation of magnetite and other minerals potentially sequesters diss

31 dicted geochemical variations indicates that magnetite and phyllosilicates formed by diagenesis under

32 thod is based on a nanocomposite composed of magnetite and silver nanoparticles, whose surface is mod

33 escribe the most common routes to synthesize magnetite and subsequently will introduce recent efforts

34 omplex with polymer nanoparticles containing magnetite and the T-cell growth factor interleukin-2 (IL

35 Magnetite and vivianite were identified as the main corr

36 show that NAL was adsorbed at the surface of magnetite and was efficiently degraded under oxic condit

37 100 times less concentrated than in abiotic magnetite and we provide a quantitative pattern of this

38 first summarize the main characteristics of magnetite and what is known about the mechanisms of magn

39 g significant Fe and Mn (hematite, goethite, magnetite, and groutite) adsorbed Pu(V) faster than thos

40 of As(III)- and As(V)-doped lepidocrocite to magnetite, and to evaluate the influence of arsenic on t

41 Here we have collected uncultivated magnetite- and greigite-producing MTB to determine their

42 ne ( approximately 3 wt.%), cation-deficient magnetite ( approximately 3 wt.%), cristobalite ( approx

43 bnormal elastic and vibrational behaviors of magnetite are attributed to the occurrence of the octahe

44 ions bound in the highly crystalline mineral magnetite are bioavailable as electron sinks and electro

45 ascribed to endogenous sources, these brain magnetites are often found with other transition metal n

46 Natural magnetites are often impure with titanium, and structura

47 Prior to the formation of magnetite, As(III) adsorbed on both lepidocrocite and gr

48 Tc(VII) by reduction and incorporation into magnetite at high pH and with significant stability upon

49 transitional models, although the nature of magnetite at high pressure remains elusive.

50 thite at low pH, and to the precipitation of magnetite at higher pH.

51 f electrode and mineral reduction (including magnetite) at pH 9.

52 h two metal oxides, TiO2 (rutile) and Fe3O4 (magnetite) (at <1.3 U nm(-2) and <0.037 U nm(-2), respec

53 Further investigation revealed that magnetite attached to the electrically conductive pili o

54 At last we discuss how the formation of magnetite-based organic-inorganic hybrids leads to new f

55 esent a first step toward in vivo studies of magnetite biomineralization in magnetotactic bacteria.

56 one of the best model organisms for studying magnetite biomineralization, as their genomes are sequen

57 echanism where iron ions accumulate prior to magnetite biomineralization.

58 te and what is known about the mechanisms of magnetite biomineralization.

59 egulation of its activity is required during magnetite biosynthesis in vivo Our results represent the

60 Magnetite, birnessite, and Na- and Cu-montmorillonite sa

61 igh oxygen fugacities, close to the hematite-magnetite buffer, that can contain significant amounts o

62 Here we explore the lithiation of nanosized magnetite by employing a strain-sensitive, bright-field

63 sphate, lepidocrocite was rapidly reduced to magnetite by Shewanella putrefaciens CN32, and over time

64 The finding that magnetite can compensate for the lack of the electron tr

65 Nanoscale magnetite can facilitate microbial extracellular electro

66 Magnetite can have potentially large impacts on the brai

67 Magnetite-chromate sorption experiments were conducted w

68 cs did not impact the redox chemistry of the magnetite-chromate system over the duration of the exper

69 onodisperse ferrimagnetic cobalt-substituted magnetite Co(x)Fe(3-x)O4 nanoparticles is reported.

70 to investigate the distribution behavior of magnetite coated carbon nanotubes (CNTs), which simplifi

71 plexation modeling, it was shown that the NA-magnetite complexation constant does not vary with Fe(II

72 Magnetite conferred extracellular electron capabilities

73 Additionally, the 17-20 nm magnetite cores, having permeable PEG coatings and stabl

74 However, unrefined magnetite could have high heavy metal contents (e.g., Cr

75 reaction with glucose oxidase immobilized on magnetite covered with silica gel modified propylamine i

76 oute to achieve control over the kinetics of magnetite crystallization under ambient conditions and i

77 transported inside MTB for the production of magnetite crystals be spatially mapped using electron mi

78 The magnetic properties of magnetite crystals depend strongly on the size and shape

79 predicted HtrA protease required to produce magnetite crystals in the magnetotactic bacterium Magnet

80 Magnetosome magnetite crystals nucleate and grow using iron transpor

81 are magnetofossils, the fossilized chains of magnetite crystals produced by magnetotactic bacteria.

82 y magnetotactic bacteria (MTB) biomineralize magnetite crystals that nucleate and grow inside intrace

83 and magnetotactic bacteria are able to form magnetite crystals with well controlled sizes and shapes

84 H2 measurements), and the detected amount of magnetite diminished.

85 oratory analog using the specific example of magnetite dissolution.

86 Since the surface remains magnetite during oxidation, it continues to dissociate o

87 ium by reducing U(VI) electrochemically on a magnetite electrode at pH 3.4.

88 XPS analysis of the magnetite electrodes polarized in uranium solutions at v

89 At any pH between 6 and 10, all magnetites exhibiting similar Fe(II)/Fe(III) ratio in th

90 Magnetite exhibits unique electronic, magnetic, and stru

91 may facilitate the reduction of neptunium is magnetite (Fe(2+)Fe(3+)2O4).

92 inawite (FeS), sulfate green rust (GR(SO4)), magnetite (Fe(3)O(4)), and manganese oxide (MnO2).

93 Fe(II)-amendment of nonstoichiometric magnetite (Fe(II)/Fe(III) = 0.40) led to similar sorbed

94 (II) with a relevant redox-reactive mineral, magnetite (Fe(II)Fe(III)2O4) at <2 ppmv O2, and monitore

95 sistent with elongated prismatic crystals of magnetite (Fe3 O4 ).

96 Here, we demonstrate that Ti-doped magnetites (Fe3 - xTixO4) reduce U(VI) to U(IV).

97 pinel phase that is a solid solution between magnetite (Fe3O4) and chromite (FeCr2O4).

98 Graphene (G) modified with magnetite (Fe3O4) and sol-gel hybrid tetraethoxysilane-m

99 hat intracellular crystals of the iron oxide magnetite (Fe3O4) are coupled to mechanosensitive channe

100 g properties of the ferrimagnetic half metal magnetite (Fe3O4) are of continuing fundamental interest

101 When galvanic cells with lead and magnetite (Fe3O4) electrodes were short-circuited, lead

102 Specifically, we electrodeposit magnetite (Fe3O4) from an alkaline solution of Fe(III)-t

103 Recently, naturally occurring magnetite (Fe3O4) has emerged as a new material for sulf

104 As the oldest known magnetic material, magnetite (Fe3O4) has fascinated mankind for millennia.

105 , we explored the oxidative capacity of nano-magnetite (Fe3O4) having approximately 12 nm particle si

106 Biogenic magnetite (Fe3O4) in the form of giant (micron-sized) sp

107 Magnetite (Fe3O4) is a widespread magnetic iron oxide en

108 Magnetite (Fe3O4) is an important magnetic mineral to Ea

109 As a ubiquitous natural mineral, magnetite (Fe3O4) is of interest because of its ability

110 The iron oxide mineral magnetite (Fe3O4) is produced by various organisms to ex

111 um Rhodopseudomonas palustris TIE-1 oxidizes magnetite (Fe3O4) nanoparticles using light energy.

112 show that supplementation of micrometer-size magnetite (Fe3O4) particles to a methanogenic sludge enh

113 tructural promoter inducing the formation of magnetite (Fe3O4) rather than hematite (Fe2O3).

114 Melt inclusions are hosted by magnetite (Fe3O4), which crystallizes through a signific

115 interlocking dendritic crystals primarily of magnetite (Fe3O4), with wustite (FeO)+metal preserved in

116 immobilization agent to form Tc-incorporated magnetite (Fe3O4).

117 Fe, suggesting an iron oxide mineral such as magnetite (Fe3O4).

118 This enhancement in binding capability of magnetite for NA is still observed in the presence of en

119 peptides, and the magnetic responsiveness of magnetite for solid-phase separation.

120 rkably resembles recent results on synthetic magnetite formation and bears a high similarity to sugge

121 of OM, OM reduced the amount of goethite and magnetite formation and increased the formation of lepid

122 ) mineral, followed by bioreduction and (bio)magnetite formation coupled to formation of a complex U(

123 s, MamE and MamO, during the early stages of magnetite formation in Magnetospirillum magneticum AMB-1

124 This study provides important clues to magnetite formation in MTB through the discovery of a me

125 The findings indicate that the magnetite formation pathway dictates the magnitude of Am

126 g goethite formation, reducing the amount of magnetite formation, and increasing the formation of a g

127 on was higher than As(III) removal following magnetite formation, which suggests that conversion of A

128 organisms use a twofold strategy to control magnetite formation: the mineral is formed from a poorly

129 Since we directly observe new magnetite forming when it incorporates oxygen, we sugges

130 We show that magnetite forms through phase transformation from a high

131 understanding of the formation conditions of magnetite, GR, and ferric (oxyhydr)oxides in Fe EC, whic

132 ence that reduced iron (Fe) species, such as magnetite, green rust, and Fe sulfides, can also reduce

133 range of other minerals (hematite, goethite, magnetite, groutite, corundum, diaspore, and quartz) fou

134 2-) system was superior to the corresponding magnetite + H2O2 one in the presence of radical scavenge

135 Easily separable humic acid coated magnetite (HA-Fe3O4) nanoparticles are employed for effe

136 ades intergrown among carbonate rosettes and magnetite-haematite granules, and is associated with car

137 The first known magnetic mineral, magnetite, has unusual properties, which have fascinated

138 f control over particle size and iron oxide (magnetite) homogeneity in chemical precipitation reactio

139 iquitous antiphase boundary (APB) defects in magnetite, however, direct information on their structur

140 strates the need for new methods to test the magnetite hypothesis of magnetosensation.

141 how animals detect the magnetic field is the magnetite hypothesis.

142 ates or HA as compared to the stoichiometric magnetite (i.e., Fe(II)/Fe(III) = 0.50).

143 ing of NO2(-) to positively charged sites on magnetite ( identical with S-OH2(+)) and to neutral site

144 ne the incorporation of 34 trace elements in magnetite in both cases of abiotic aqueous precipitation

145 es, or increased dissolution of fine-grained magnetite in forest soils due to increased soil moisture

146 rix (CIM) of newer filters and predominantly magnetite in older filters.

147 mpounds, but we saw the Verwey transition of magnetite in our microwave system.

148 ination of increased production of pedogenic magnetite in prairie soils, increased deposition of detr

149 irie soils, increased deposition of detrital magnetite in prairies from eolian processes, or increase

150 termediate is unresolvable from co-deposited magnetite in situ by other electrochemical techniques an

151 ) on formation and oxidative perturbation of magnetite in systems relevant to radioactive waste dispo

152 on the CIE clay, we suggest that most of the magnetite in the clay occurs as isolated, near-equidimen

153 al can significantly enhance Tc retention in magnetite in the order Co>Zn>Ni.

154 w that phenol can be effectively degraded by magnetite in the presence of persulfate (S2O8(2-)) under

155 We propose a new phase diagram of magnetite in which the temperature for the metal-insulat

156 te and ferrous hydroxy carbonate, along with magnetite, in ferrihydrite systems, and siderite in hema

157 This magnetite incorporated As into its structure during prec

158 nto the magnetite structure and confirm that magnetite incorporated Tc(IV) is recalcitrant to oxidati

159 n, we suggest that catalytic redox cycles on magnetite involve growing and etching crystal.

160 The voltammetry of solution-dispersed magnetite iron oxide Fe3O4 nanoparticles is described.

161 Magnetite is a well-known material, also known as ferrit

162 Additionally, magnetite is detected as the main product of both lepido

163 technetium migration under conditions where magnetite is formed including in geological disposal of

164 However, the chemical route by which magnetite is formed intracellularly within the so-called

165 s reported in this study demonstrate that if magnetite is present in Fe(3+)-reducing soil and NO2(-)

166 ilization and dissolution of the passivating magnetite layer by reduction of structural Fe(III) coupl

167 Grinding magnetite loaded with either PAH resulted in a significa

168 c bacteria (MTB), the magnetic properties of magnetite magnetosomes have been extensively studied usi

169 Multidomain (MD) magnetite may also be present in all samples.

170 late) polymers as in situ coating agents for magnetite nanocrystallites.

171 nt potash-alumino-silicate glass, colored by magnetite nanocrystals (<200 nm).

172 ular machinery to construct linear chains of magnetite nanocrystals that allow the host cell to sense

173 undiscovered, protein additive for precision magnetite nanoparticle production.

174 n of Fe(III) at their different sites in the magnetite nanoparticle structure.

175 gates with poly(acrylic acid)-functionalized magnetite nanoparticles (100 nm hydrodynamic diameter) a

176 bacteria Geobacter sulfurreducens, comparing magnetite nanoparticles (d approximately 12 nm) against

177 2, pH adjustment to 3.6, and the addition of magnetite nanoparticles (Fe3O4 MNPs) to the medium to pr

178 We report that magnetite nanoparticles (Fe3O4 NPs) act as an efficient

179 nerate high strength solutions of plate-like magnetite nanoparticles (MNP).

180 Magnetite nanoparticles (MNPs) are promising and novel a

181 ork demonstrated the application of magnetic magnetite nanoparticles (MNPs) coated with a cationic po

182 ions, using glucose-functionalized colloidal magnetite nanoparticles (NPs) as probes.

183 gneticus sp. strain RS-1 forms bullet-shaped magnetite nanoparticles aligned along their (100) magnet

184 pitated, As(III) formed surface complexes on magnetite nanoparticles and As(V) is thought to have bee

185 ctural, chemical, and magnetic properties of magnetite nanoparticles are compared.

186 Silver and magnetite nanoparticles are joined by carboxymethyl chit

187 The magnetic moment and anisotropy of magnetite nanoparticles can be optimised by doping with

188 2 days under ambient conditions as shown for magnetite nanoparticles containing 1000 ppm U.

189 Uranium redox states and speciation in magnetite nanoparticles coprecipitated with U(VI) for ur

190 cterially synthesized zinc- and cobalt-doped magnetite nanoparticles for biomedical applications.

191 olecularly imprinted polymer (MIP)-decorated magnetite nanoparticles for specific and label-free sulf

192 Surface-functionalized magnetite nanoparticles have high capacity for U(VI) ads

193 with approximately 90 and approximately 6 nm magnetite nanoparticles in the presence and absence of f

194 Synthetic magnetite nanoparticles of three size intervals, approxi

195 entify the abundant presence in the brain of magnetite nanoparticles that are consistent with high-te

196 del was developed for surface-functionalized magnetite nanoparticles that could simulate both the mea

197 eria synthesize highly uniform intracellular magnetite nanoparticles through the action of several ke

198 ed to synthesize polyvinylpyrrolidone-coated magnetite nanoparticles to separate a reference MC252 oi

199 a perform biomineralization of intracellular magnetite nanoparticles under a controlled pathway.

200 Titanium-substituted magnetite nanoparticles were synthesized and reacted wit

201 tion of 3-aminopropyltrimethoxysilane coated magnetite nanoparticles with antibody (antiHER2/APTMS-Fe

202 Hence, engineering magnetite nanoparticles with specific shapes and sizes a

203 duction was likely associated with colloidal magnetite nanoparticles.

204 t Fe in APC is present as iron oxide (Fe3O4) magnetite nanoparticles.

205 Such high-temperature magnetite nanospheres are ubiquitous and abundant in air

206 markably, these highly organized crystalline magnetite nanostructures directly bound into fibrillar A

207 Although magnetite naturally contains Fe(II), the air-exposed oxi

208 Ferrihydrite (NAu1), lepidocrocite, and magnetite (NAu2) were detected as secondary mineralizati

209 ws for either the promotion or inhibition of magnetite nucleation and growth processes.

210 (IV) was predominantly incorporated into the magnetite octahedral site in all systems studied.

211 l, albeit partial, Tc(IV) incorporation into magnetite octahedral sites.

212 Natural magnetites often contain titanium impurities which have

213 examining the influence of stoichiometry of magnetite on its binding properties.

214 at the electrochemical reduction of U(VI) on magnetite only yields U(V), even at a potential of -0.9

215 rated with linkers/ligands on the surface of magnetite or alternatively the organocatalysts can be di

216 ze ordered chains of uniform, membrane-bound magnetite or greigite nanocrystals that exhibit nearly p

217 t usually takes place only in single crystal magnetite or thick epitaxial films at low temperatures.

218 alts and oxides and possibly the crystalline magnetite (otherwise detrital) are primary precipitates

219 For the more reduced magnetite particles (x >/= 0.42), Hg(II) is reduced to H

220 iswaldense, a model MTB with equidimensional magnetite particles aligned along their (111) magnetic e

221 Subsequent air oxidation of the magnetite particles for up to 152 days resulted in only

222 n transmission electron microscopy of the Ti-magnetite particles provides no evidence of NpO2 nanopar

223 erspecies electron transfer (DIET), based on magnetite particles serving as electron conduits between

224 cies are only observed for the more oxidized magnetite particles that contain lower Fe(II) content (x

225 rcivity, non-interacting, single-domain (SD) magnetite particles, whereas the South China Sea samples

226 This magnetite persisted in the column even as conditions bec

227 The reasonable performance of the magnetite/persulfate system in a natural water matrix an

228 O and 12.2 wt % CaO) composed of olivine, Ti-magnetite, plagioclase, and clinopyroxene.

229 Those magnetite pollutant particles which are < approximately

230 associated exclusively with green rust, When magnetite precipitated, As(III) formed surface complexes

231 insights into the behavior of arsenic during magnetite precipitation in reducing environments.

232 purified proteins as additives in synthetic magnetite precipitation reactions.

233 As(III) to As(V) is preferred when using As-magnetite precipitation to treat As-contaminated groundw

234 ontium and calcium incorporation to identify magnetite produced by magnetotactic bacteria in the geol

235 We find that compared with magnetite-producing MTB cultures, FMR spectra of unculti

236 ings support climate as a primary control on magnetite production in soils, while demonstrating how c

237 Two central pathways for magnetite production via Fe(0) EC were identified: (i) a

238 Magnetite promotes DIET, possibly by acting as a substit

239 within the low temperature superstructure of magnetite provides new insights into the charge and trim

240 ugite, and pigeonite, with minor K-feldspar, magnetite, quartz, anhydrite, hematite, and ilmenite.

241 ere, we provide evidence that Ti-substituted magnetite reduces neptunyl species to Np(IV).

242 uating/localized electronic order was shown, magnetite represents a model system for understanding co

243 strate reveals that the electrodeposition of magnetite requires the preceding adsorption of Fe(II)-tr

244 ave a role in natural methane emissions from magnetite-rich soils and sediments.

245 Low-energy electron microscopy reveals that magnetite's surface steps advance continuously.

246 ive oxygen adsorption, occurs uniformly over magnetite's terraces, not preferentially at its surface

247 The magnetite + S2O8(2-) system was superior to the correspo

248 controlled conditions, cubic nanocrystals of magnetite self-assemble into arrays of helical superstru

249 The magnetite shell grown on top of the Au nanoparticle disp

250 resolved, laser-induced particles of natural magnetite, siderite, pyrrhotite, and pyrite, collected t

251 xidation likely incorporated into octahedral magnetite sites.

252 Addition of dissolved Fe(2+) to magnetite slurries resulted in adsorption and an acceler

253 Bulk oxidation state analysis of the final magnetite solid phase by XANES shows that the majority o

254 Hg(II) to Hg(0) is observed over a range of magnetite stoichiometries (0.29 < x < 0.50) in purged he

255 rrihydrite reactors we observe a decrease in magnetite stoichiometry (e.g., oxidation).

256 While the magnetite stoichiometry (i.e., Fe(II)/Fe(III) ratio) has

257 Specifically, we evaluated whether magnetite stoichiometry (x = Fe(II)/Fe(III)) influences

258 ved for nitroaromatic compounds and uranium, magnetite stoichiometry appears to influence the rate of

259 confirming that it is important to consider magnetite stoichiometry when assessing the fate of conta

260 or significant Tc(IV) incorporation into the magnetite structure and confirm that magnetite incorpora

261 s thought to have been incorporated into the magnetite structure.

262 c(VII) was reduced and incorporated into the magnetite structure.

263 n regarding the organization of cellular and magnetite structures in these microorganisms.

264 % with a conversion of 90-96% using the nano-magnetite supported aminomethylphosphine-Pd(II) complexe

265 tion of nanosize uranium precipitates on the magnetite surface at reducing potentials and dissolution

266 ses are limited by the redox capacity of the magnetite surface or that of whole particles.

267 ween octahedrally coordinated Sn(IV) and the magnetite surface, indicative of formation of tetradenta

268 incorporation at Fe structural sites at the magnetite surface.

269 The adsorption of organics onto the magnetite surfaces interfered equally with the ability o

270 will introduce recent efforts in bioinspired magnetite synthesis.

271 support a fraction of fine-grained pedogenic magnetite that is highly consistent.

272 creased for goethite and hematite, while for magnetite, the relative solubility was similar for all o

273 pH-dependence in the reduction of NO2(-) by magnetite; the initial rate of NO2(-) removal was two ti

274 does not disproportionate but stabilizes on magnetite through precipitation of mixed-valence state U

275 y examining the oxidation of Fe(3-x)Ti(x)O4 (magnetite-titanomagnetite) nanoparticles by the bacteria

276 The ability for magnetite to act as a recyclable electron donor and acce

277 has potential implications on the ability of magnetite to be used for long range electron transport i

278 oichiometry strongly affects the capacity of magnetite to bind not only quinolone antibiotics such as

279 NES and EXAFS) showed a partial oxidation of magnetite to maghemite during the reaction, and four byp

280 olution despite significant oxidation of the magnetite to maghemite/goethite: All solid associated Tc

281 the decrease in MS is the transformation of magnetite to siderite, coupled with the exhaustion of fe

282 ribution as a function of composition in the magnetite-ulvospinel solid solution, important uncertain

283 vestigates NO3(-) and NO2(-) reactivity with magnetite under anoxic conditions using batch kinetic ex

284 We study how the (100) surface of magnetite undergoes oxidation by monitoring its morpholo

285 We have studied a highly stoichiometric magnetite using inelastic X-ray scattering, X-ray diffra

286 t cells might need to produce less OmcS when magnetite was available.

287 Structural Fe(2+) in magnetite was determined to be the reductant of NO2(-) b

288 hates (pH 10.5-13.1), and crystallization of magnetite was induced via addition of Fe(II)aq.

289 cipitation with or adsorption onto preformed magnetite was investigated by X-ray diffraction (XRD), s

290 Nitrate removal by magnetite was much slower when compared with NO2(-).

291 wanella putrefaciens CN32, and over time the magnetite was partially transformed to ferrous hydroxy c

292 ical properties, the chemical composition of magnetite was proposed as a promising tracer for bacteri

293 To overcome the drawbacks of unrefined magnetite we used an electrochemical system with mild st

294 oparticles of the strongly magnetic mineral, magnetite, were first detected in the human brain over 2

295 r, in contrast to previous studies with pure magnetite where U(VI) was reduced to nanocrystalline ura

296 In the presence of magnetite wild-type cells repressed expression of the Om

297 However, synthesis of magnetite with a specific size, shape and a narrow cryst

298 ere, we evaluated the reduction of Hg(II) by magnetites with varying Fe(II) content in both the absen

299 sphate resulted in solid-state conversion to magnetite, with subsequent formation of FHC.

300 The degradation of either PAH loaded on magnetite yielded oxidized products.