ライフサイエンスコーパス: Ni

1 Ni bioavailability, its role in the flavour of food and

2 Ni was found to be present in the cocoa infusions as Ni(

3 Ni(cyclooctadiene)2 reacts with K3Sb7 in en/tol/Bu4PBr s

4 l diisocyanide, [CNAr(Mes2)]2, and the d(10) Ni(0) precursor Ni(COD)2, produces a porous metal-organi

5 decagonal phase with composition of Al-15at%Ni-15at%Co.

6 reactivity of the symmetric [Ni(III) (mu-O)2 Ni(III) ](2+) complex and the decay of the asymmetric [N

7 eavy metals (Cd(2+), Co(2+), Cu(2+), Hg(2+), Ni(2+), and Pb(2+)) from aqueous solution with initial c

8 can approach 5 mm, but at this level Mn(2+), Ni(2+), or Co(2+) can be growth-inhibitory, and magnesiu

9 h as Fe(2+), Cu(2+), Pb(2+), Hg(2+), Mn(2+), Ni(2+), Zn(2+), Co(2+) and Cd(2+) at room temperature.

10 -1-Cu was found to be irreversible, SIFSIX-3-Ni could be regenerated by heating and can therefore be

11 erials: SIFSIX-1-Cu, SIFSIX-2-Cu-i, SIFSIX-3-Ni, and SIFSIX-14-Cu-i.

12 A mixed-valent Ni(2.5+)-Ni(2.5+) intermediate is isolated.

13 A Ni-catalyzed reductive cross-coupling of styrenyl azirid

14 st conditions reported for C-H cleavage at a Ni center.

15 of the electrodeposited film that exposes a Ni-rich lattice plane as the terminating plane, as well

16 report a nickel-gallium complex featuring a Ni(0)-->Ga(III) bond that shows remarkable catalytic act

17 yst and proceeds via alkene insertion into a Ni(II)-acyl bond.

18 The identification of a Ni(IV)-O species opens opportunities to control the reac

19 cles and graphene oxide (GO) nanosheets on a Ni porous electrode.

20 experimental study of CO hydrogenation on a Ni(110) surface, including studies of the role of gas-ph

21 2 catalytically via EECC mechanism through a Ni-centered hydride intermediate like the enzyme.

22 addition of an activated amide C-N bond to a Ni(0) catalyst and proceeds via alkene insertion into a

23 graphene (Ni@NC) are synthesized by using a Ni-based metal-organic framework as the precursor for hi

24 ...*...H)() transition state, during which a Ni-atom inserts into the C-H bond and donates its electr

25 owever, there is a lack of information about Ni speciation in cocoa.

26 to fabricate an electrocatalytically active Ni/Ni(OH)2/graphite electrode.

27 e is a critical component of record-activity Ni/Fe (oxy)hydroxide (Ni(Fe)OxHy) oxygen evolution react

28 lution suggests that the oxalate also alters Ni adsorption affinity.

29 derived Ni-containing cofactor into LarA, an Ni-dependent lactate racemase.

30 present in the cocoa infusions as Ni(2+) and Ni-gluconate and Ni-citrate complexes.

31 ue to the presence of vacancies on the C and Ni sites, but does not drastically change shape.

32 ing structural isomers, with the Fe, Co, and Ni variants showing more than double the selectivity.

33 significant positive correlation with Cr and Ni.

34 s in unusual oxidation states such as Cu and Ni in +1 oxidation states.

35 nonprecious pCNT@Fe@GL/CNF ORR electrode and Ni-Fe LDH/NiF oxygen evolution reaction (OER) electrode

36 ip between total phenols and flavonoids, and Ni and Pb, specifically higher concentrations of these c

37 coa infusions as Ni(2+) and Ni-gluconate and Ni-citrate complexes.

38 sly demonstrated with free-base, Zn(II), and Ni(II) porphyrins.

39 l transferred between the interfacial Mn and Ni layers, which is corroborated by first-principles den

40 ely, the oxygen evolution reaction at Ni and Ni/Fe electrodes.

41 arent substrate electrode, onto which Ni and Ni/Fe thin films are deposited.

42 ), by shortening the distance between Pd and Ni active sites, achieved through shape transformation f

43 intermediates, we envision that this Pd and Ni-catalyzed C-P bond forming method will find broad app

44 lic Pt-based NPs (PtM, where M = Pd, Rh, and Ni) via a protein encapsulating route supported on mesop

45 formation and chemical nature of Pt-rich and Ni-rich surface domains in the octahedral (111) facets.

46 orphous structure, conductive substrate, and Ni-Fe mixed phosphate lead to superior electrocatalytic

47 Zinc and Ni were transported into the deeper CW layers to a large

48 ound to be present in the cocoa infusions as Ni(2+) and Ni-gluconate and Ni-citrate complexes.

49 The strong uptake of metals such as Ni and Zn by phyllomanganates results from adsorption on

50 An asymmetric Ni-catalyzed reductive cross-coupling has been developed

51 An asymmetric Ni-catalyzed reductive cross-coupling of (hetero)aryl io

52 Catalytic, asymmetric Ni/Cr-mediated coupling was used for three C-C bond form

53 2+) complex and the decay of the asymmetric [Ni(III) (mu-O)2 Co(III) ](2+) core through aromatic hydr

54 st, namely, the oxygen evolution reaction at Ni and Ni/Fe electrodes.

55 ct strategies and guidelines for atmospheric Ni in our living area, assisting to balance the relation

56 ighlights the fundamental difference between Ni and Pd in mediating bond-formation processes.

57 his end, monometallic Ni, Fe, and bimetallic Ni-Fe catalysts supported on a MgxAlyOz matrix derived v

58 The promoting effect of Fe in bimetallic Ni-Fe was elucidated by combining operando XRD and XAS a

59 The reactivity of these binuclear Ni complexes highlights the fundamental difference betwe

60 s reduced in sites with greater bioavailable Ni, but accounting for Fe oxide-bound Ni greatly decreas

61 um carbonate (Li2CO3) on the surface of both Ni-rich Li-stoichiometric (specifically LiNi0.6Mn0.2Co0.

62 ilable Ni, but accounting for Fe oxide-bound Ni greatly decreased variation in effect thresholds betw

63 o-chlorosilylene bis(N-heterocyclic carbene) Ni(0) complex [{N(Dipp)(SiMe3 )ClSi:-->Ni(NHC)2 ] (1; Di

64 hols catalyzed by a simple Ni(II) catalyst, [Ni(MeTAA)], featuring a tetraaza macrocyclic ligand (tet

65 ned together with selected toxic metals (Cd, Ni and Pb).

66 concentration of metals such as Cu, Pb, Cd, Ni and Zn in two subspecies of Lactuca sativa L. and in

67 ) )(mu-O)2 (M(III) )'](2+) (M=Ni; M'=Fe, Co, Ni and M=M'=Co) complexes with beta-diketiminate ligands

68 cally active M-N x moieties (M = Mn, Fe, Co, Ni, Cu).

69 t transition metals that include Mn, Fe, Co, Ni, Cu, early transition metals (Ti, V, Cr, Zr, Nb and W

70 sition of MClx or M(NO3)x (where M = Fe, Co, Ni, Cu, or Zn) to form uniform, amorphous films of metal

71 tallic nanocrystals (PdM, M = V, Mn, Fe, Co, Ni, Zn, Sn, and potentially extendable to other metal co

72 nic structure of primarily heterogeneous Co, Ni, and Mn based water oxidation catalysts are reviewed.

73 with a series of metal/ceria(111) (metal=Co, Ni, Cu; ceria=CeO2 ) surfaces indicate that metal-oxide

74 ts (Li, Be, B, Mg, Al, P, K, Ca, Cr, Mn, Co, Ni, Cu, Zn, As, Se, Sr, Mo, Cd, Sn, Sb, Ba, Hg, Pb, Bi,

75 the sole kinetically relevant step on Ni-Co, Ni, and Co clusters, but their specific reaction paths v

76 tense Fe and Mn mobilization, removal of Co, Ni and Zn and found evidence for the concurrent release

77 n validated by reconstructing two stacked Co-Ni-Ga single crystals, and by comparison with a grain ma

78 Moreover, a higher-ordered structure, Co-Ni-Cu-O, was found to follow the behavior of lower order

79 CoxNi4-xO4-dpk) series as the first mixed Co/Ni-cubane WOCs.

80 omagnetic/ferroelectric structure with Pt/Co/Ni/Co/Pt layers on PMN-PT substrate.

81 s Ni(III) species generates a six-coordinate Ni(IV) complex, with an acetonitrile molecule bound to N

82 al reactivity studies show the corresponding Ni(II) species undergoes oxidative addition with alkyl h

83 rgeted analytes such as: Cd, Pb, As, Cu, Cr, Ni, Fe, Mn and Sn in different canned samples (cardoon,

84 The ORR rates of Ag, Au, Cu, Ni, Pd, Rh and Pt measured at 600 degrees C form a volca

85 acteria, and Fungi exposed to As, Cd, Cr Cu, Ni, Pb, and Zn showed that metal resistance depends on t

86 C. dubia was exposed to elevated Cu, Ni, and Zn concentrations, chemically fixed, dehydrated,

87 In Cd-Cu-Ni mixtures, the toxicity was less than additive, additi

88 synthesize and incorporate a niacin-derived Ni-containing cofactor into LarA, an Ni-dependent lactat

89 apid oxidation by O2, to generate detectable Ni(III) and/or Ni(IV) intermediates and followed by C-C

90 cally structured Ni-Cu alloys with different Ni/Cu ratios (Ni0.25 Cu0.75 , Ni0.50 Cu0.50 , and Ni0.75

91 irst Si(II)-stabilized mononuclear dihydrido Ni complex characterized by multinuclear NMR and single-

92 ialkoxysilanes using cationic (alpha-diimine)Ni(Me)(CH3CN)(+) complexes 4a,b/B(C6F5)3 yield high mole

93 ith ethylene-opened chelates, (alpha-diimine)Ni(R)(C2H4)(+) complexes, the species responsible for ch

94 The reaction is promoted by a dinuclear Ni catalyst, which is proposed to access Ni2(vinylidenoi

95 tal orientation in a laser 3D-printed DL125L Ni-based superalloy polycrystal is investigated here usi

96 dation states we report a precatalyst, (dppf)Ni(o-tolyl)(Cl) (dppf = 1,1'-bis(diphenylphosphino)ferro

97 implications for the recently developed dual Ni/photoredox catalytic systems proposed to involve high

98 Each Ni(III) undergoes separate, but fast reductive eliminati

99 Also, the Modoki El Ni no and the Modoki La Ni na phases have greater impact

100 rticles modified on glassy carbon electrode (Ni@f-MWCNT/GCE) were synthesized through microwave assis

101 s emerging ligand class for enantioselective Ni catalysis.

102 The high activity is attributed to enhanced Ni content in the near-surface region and the extended t

103 s and demonstrate that Fe-N-C and especially Ni-N-C catalysts rival Au- and Ag-based catalysts.

104 aday effect is approximately the same in Fe, Ni and Co, but the optical spin-transfer torque is stron

105 magnetization dynamics of thin layers of Fe, Ni and Co driven by picosecond duration pulses of circul

106 nd nickel-containing form of this enzyme (Fe-Ni CODH) suggest a possible mechanism for the photosynth

107 For Ni detection, a colorimetric agent was immobilized to ob

108 Except for Ni, all the iron-group elements, as well as most of the

109 cts of these processes were investigated for Ni adsorption to hematite and goethite at pH 7 in the pr

110 reaction that failed with known ligands for Ni and designer phosphines for Pd.

111 sulfide (AVS) as the major binding phase for Ni, but have not yet incorporated ligands that are prese

112 the development of ligands specifically for Ni has received minimal attention.

113 issolved oxalate and the mineral surface for Ni overwhelms the enhancement in adsorption associated w

114 (3+) doping promotes the formation of formal Ni(4+), which in turn directly correlates with an enhanc

115 te the Ni/Ni(OH)2 interface on graphite from Ni deposits is promising for electrochemical application

116 haracter of the conduction band minimum from Ni-oxide in the Ni-only to predominantly Fe-oxide in the

117 h with a productivity of 560 kg copolymer/g Ni.

118 ulated in few-layer nitrogen-doped graphene (Ni@NC) are synthesized by using a Ni-based metal-organic

119 ter materials in the order of Pb > Cu > Zn > Ni.

120 bene) Ni(0) complex [{N(Dipp)(SiMe3 )ClSi:-->Ni(NHC)2 ] (1; Dipp=2,6-(i) Pr2 C6 H4 ; N-heterocyclic c

121 (silylene)Ni(0) complex 1, [((TMS) L)ClSi:-->Ni(NHC)2 ], bearing the acyclic amido-chlorosilylene ((T

122 cycle, a zirconium catalytic cycle, and Zr-->Ni transmetalation is proposed, and Cp2 ZrCl2 and/or low

123 hallenge, especially in the presence of high Ni content.

124 Cocoa contains relatively high Ni concentrations (around 3mgkg(-1)).

125 may help to pave the way for designing high-Ni layered oxide cathodes for LIBs.

126 9700 h(-1)), compared with prior homogeneous Ni-centered catalysts.

127 ent of record-activity Ni/Fe (oxy)hydroxide (Ni(Fe)OxHy) oxygen evolution reaction (OER) catalysts, y

128 l policies and contributions of hypothetical Ni sources (industrial and automobile exhausts) were eva

129 n the gene encoding a subunit of the Go-Ichi-Ni-San (GINS) complex, which is essential for DNA replic

130 the vertices of the ferritin nodes (Zn(II), Ni(II), and Co(II)) and the synthetic dihydroxamate link

131 well as its Ni complexes [Si(II)(Xant)Si(II)]Ni(eta(2)-1,3-cod) and [Si(II)(Xant)Si(II)]Ni(PMe3)2 wer

132 [Si(II)(Xant)Si(II)]Ni(eta(2)-1,3-cod) is a strikingly efficient precatalyst

133 )]Ni(eta(2)-1,3-cod) and [Si(II)(Xant)Si(II)]Ni(PMe3)2 were synthesized and fully characterized.

134 OD ligand by PMe3 led to [Si(II)(Xant)Si(II)]Ni(PMe3)2, which could activate H2 reversibly to afford

135 In Ni(II) salicylaldiminato complexes as an example case, t

136 ation for evaluating putative roles of CP in Ni(II) homeostasis at the host-microbe interface and bey

137 Ductility-dip cracking in Ni-based superalloy, resulting from heat treatment, is k

138 ransformations and structural distortions in Ni-rich LiNi0.8Co0.1Mn0.1O2 using multiscale approaches,

139 ed to assess how metal oxides play a role in Ni bioavailability in surficial sediments exposed to eff

140 product and to prevent formation of inactive Ni(I) dimers.

141 r ions with varying Lewis acidity, including Ni(II), Zn(II), Al(III), Ti(IV) and Mo(VI), are anchored

142 This MOF can be modified by incorporating Ni(2+) cations into the pores through coordination to th

143 the presence of DNA, the cognate metal ions Ni(II) and Co(II), or the noncognate metal ion Zn(II).

144 e ligand [Si(II)(Xant)Si(II)] as well as its Ni complexes [Si(II)(Xant)Si(II)]Ni(eta(2)-1,3-cod) and

145 In this issue of the JCI, Ni and colleagues used several murine models of GVHD to

146 Also, the Modoki El Ni no and the Modoki La Ni na phases have greater impact.

147 nds, however, also became a source of labile Ni to littoral zones, which was linked to reduced abunda

148 ort that binuclear benzo[h]quinoline-ligated Ni(II) complexes, upon oxidation, undergo reductive elim

149 /5 can be influenced by control of the local Ni(0) concentration.

150 order: Mo(VI) < Ti(IV) < Al(III) < Zn(II) < Ni(II).

151 nuclear [(M(III) )(mu-O)2 (M(III) )'](2+) (M=Ni; M'=Fe, Co, Ni and M=M'=Co) complexes with beta-diket

152 Dissolved Mn(II) decreases macroscopic Ni and Zn uptake at pH 4 but not pH 7.

153 based on CHARMM36 force field and pre-melted Ni NPs (Voter-Chen Embedded Atom Method potential) indic

154 successfully developed by embedding metallic Ni nanowires within an insulating poly(vinylidene fluori

155 On selected sample positions minor (Ni, Zn, Ag, and Sb) and trace elements (C, P, Fe, and As

156 to Ni(3+), followed by oxidation to a mixed Ni(3+/4+) state at a potential coincident with the onset

157 cides with the formation of Fe(4+) and mixed Ni oxidation states.

158 The toxicity of metal mixtures (Ni, Zn, Cu, Cd, and Pb) to Daphnia magna, Ceriodaphnia d

159 , P, and the trace elements: Cd, Cu, Fe, Mn, Ni, Pb, Se, Zn were determined in foods for 4-6, 7+ and

160 on of trace element (As, Ca, Cr, Cu, Fe, Mn, Ni, S and Zn) distributions in the root system Spartina

161 ltifloral honey (Al, As, Be, Ca, Cr, Mn, Mo, Ni, Se, Th and U), common heather (Co, K, Mg, Na, V), sa

162 ium trisbipyridine chromophore and molecular Ni(II) catalyst on NiO films was also used to produce H2

163 To this end, monometallic Ni, Fe, and bimetallic Ni-Fe catalysts supported on a Mg

164 ytic activity were observed for monometallic Ni and Fe catalysts, respectively.

165 nrichment, while the others exhibited mostly Ni-rich facets.

166 lected substances (C, Cd, Cr, Cu, Fe, Hg, N, Ni, P, Pb, Zn) are developed to characterize this WM-sys

167 The contents of Cu, Mn, N, Ni, S and As in the sediments were critical in consideri

168 ulting nitrogen-modified nickel framework (N-Ni) exhibits an extremely low overpotential of 64 mV at

169 f Ag, As, Ba, Cu, Co, Fe, K, Mg, Mn, Mo, Na, Ni, Se, Sb, U and Th (p<0.05, all) among honeys.

170 contain complex organic matter and nanosized Ni-Fe alloys.

171 Cu, Eu, Fe, Ga, Gd, La, Lu, Mn, Mo, Nb, Nd, Ni, Pr, Rb, Sm, Te, Ti, Tl, Tm, U, V, Y, Zn and Zr).

172 ellent functional group tolerance of neutral Ni(II) complexes, this suppression of beta-hydrogen elim

173 The resting state of the catalyst is an NHC-Ni(eta(6)-arene) complex.

174 Bimetallic, Ni4Fe1 with Ni/(Ni + Fe) = 0.8, showed the highest activity and stabilit

175 Nickel (Ni) is considered to be a potentially harmful element fo

176 s well as vanadium (V), cobalt (Co), nickel (Ni), zinc (Zn), and aluminum (Al) concentrations in atmo

177 ueous phase with the use of metallic nickel (Ni) nanoparticles (NPs) under conditions specific to car

178 ion is achieved via the oxidation of nickel (Ni(2+)) ions, whereas, to a large extent, manganese (Mn)

179 systems, the cycling and toxicity of nickel (Ni) are coupled to other elemental cycles that can limit

180 Here, we show that NiCl2 (Ni(II)) or hypoxia reduces the protein level and shorten

181 As a result, prepared novel Ni@f-MWCNT/GCE was utilized to detect glucose in real se

182 oborating the proposed formation of a (Si=O)-Ni pi-complex at low temperature.

183 up to 70 times across the range of observed Ni concentrations.

184 suggest that the exceptional OER activity of Ni(Fe)OxHy does not depend on Fe in the bulk or on avera

185 lectron scattering in the unfilled d band of Ni.

186 and the biological coordination chemistry of Ni(II)-chelating proteins in nature and provide a founda

187 The optimal additive concentration of Ni NPs was tested with variations of solution at acidic

188 mical studies establish that coordination of Ni(II) at the hexahistidine site is thermodynamically pr

189 tion of Al2O3 nanoparticles, the MZ depth of Ni is increased by 68%, while the corresponding HAZ size

190 gh salinity content, the catalytic effect of Ni NPs was investigated by monitoring change in CO2 bubb

191 binding affinity are due to the formation of Ni-oxalate ternary surface complexes.

192 The mechanisms of Ni-catalyzed C-H arylation, alkylation, and sulfenylatio

193 tion largely occurs through the migration of Ni into the support.

194 odic O2 release and a more cathodic onset of Ni oxidation at higher pH.

195 hat the Ni-only system features oxidation of Ni(2+) to Ni(3+), followed by oxidation to a mixed Ni(3+

196 apping oxygen evolution and the oxidation of Ni(OH)2 to NiOOH.

197 y provides firm evidence for the presence of Ni(0) centers, whereas gas-sorption and thermogravimetri

198 pH OER catalysts indicate ready promotion of Ni(4+) under low overpotential conditions.

199 he electrochemical and optical properties of Ni and NiFe oxyhydroxide electrocatalysts and serve as a

200 nocent and valence tautomerism properties of Ni-salphen complexes added two new dimensions to a mecha

201 iments and bound a substantial proportion of Ni.

202 e is favored as the local oxidation state of Ni increases.

203 tronic structure and redox thermodynamics of Ni-only and mixed NiFe oxyhydroxide thin-film electrocat

204 Treatment of Ni(0) complexes 1a-e with sub-atmospheric pressures of t

205 On Ni clusters, C-H bond activation occurs via an oxidative

206 e defect free NiO prototype and NiO grown on Ni(110) single crystal as the one with defects.

207 Here we investigate the effect of Mn(II) on Ni and Zn binding to phyllomanganates of varying initial

208 Lack of mechanistic insights on Ni-catalyzed C(sp(3))-H activation using 8-aminoquinolin

209 l growth of 2D amorphous FePO4 nanosheets on Ni foam (Am FePO4 /NF).

210 " Mott scenario without real charge order on Ni sites.

211 promoted production of free OH radicals (on Ni active sites) which facilitate the oxidative removal

212 ated with hydrogen-assisted CO2 reduction on Ni(110).

213 ins as the sole kinetically relevant step on Ni-Co, Ni, and Co clusters, but their specific reaction

214 less, in recent years, the volume of work on Ni(i) complexes has increased to the extent that they ca

215 the divalent transition-metal ion (Fe(2+) or Ni(2+)) in the active site.

216 by O2, to generate detectable Ni(III) and/or Ni(IV) intermediates and followed by C-C bond formation.

217 of a tertiary benzylic center using Pd/C or Ni/Raney catalysts.

218 oposed to involve high-valent organometallic Ni intermediates.

219 whereby the reduced Fe restores the original Ni-Fe alloy.

220 Si-metalated iminosilane, [DippN=Si(OSiMe3 )Ni(Cl)(NHC)2 ] (3), in a rearrangement cascade.

221 l insight, C-H bond cleavage in methane over Ni-based catalysts was investigated.

222 to the concentrations of Cd, Cr, Cu, Zn, Pb, Ni, Hg and Fe in wheat grains.

223 sformation from Pd/Ni-P heterodimers into Pd-Ni-P nanoparticles and tuning the Ni/Pd atomic ratio to

224 eport on ultrasmall ( approximately 5 nm) Pd-Ni-P ternary nanoparticles for ethanol electrooxidation.

225 pitomized by four decades long studies of Pd-Ni-P metallic glasses, arguably the best glass-forming a

226 of in situ experimental techniques, that Pd-Ni-P alloys have a hidden amorphous phase in the superco

227 chieved through shape transformation from Pd/Ni-P heterodimers into Pd-Ni-P nanoparticles and tuning

228 o address this shortcoming a new, photoredox-Ni dual catalytic strategy for the cross-coupling of ter

229 lease of Ag(+) ions from a Janus polystyrene/Ni/Au/Ag activator motor to the activated Janus SiO2 /Pt

230 izontal lineCHSiMe3 with catalytic [(i)Pr2Im]Ni(eta(2)-H2C horizontal lineCHSiMe3)2 (1b) exclusively

231 [CNAr(Mes2)]2, and the d(10) Ni(0) precursor Ni(COD)2, produces a porous metal-organic material featu

232 ted to its alloyed structure with the proper Ni/Cu ratio and a large number of active sites on the su

233 Shape-controlled octahedral Pt-Ni alloy nanoparticles exhibit remarkably high activitie

234 being factors of 2.0 and 1.4 lower than pure Ni and the 80:20 binary alloys, respectively.

235 promotes catalysis through a methyl radical/Ni(ii)-thiolate intermediate.

236 The resulting Ni@NC materials exhibit highly efficient and ultrastable

237 es contained high concentrations of sediment Ni and AVS, though roughly 80% less AVS was observed in

238 We also demonstrate that CP can sequester Ni(II) from two human pathogens, Staphylococcus aureus a

239 The sharp Ni-Calpha -Cbeta angles (75.0(3) degrees and 74.57(18) d

240 irst 16 valence electron [bis(NHC)](silylene)Ni(0) complex 1, [((TMS) L)ClSi:-->Ni(NHC)2 ], bearing t

241 enzamide with alcohols catalyzed by a simple Ni(II) catalyst, [Ni(MeTAA)], featuring a tetraaza macro

242 The reactions utilize a simple Ni-catalyst and work with a broad range of alkenes and a

243 esult of oxalate complexing and solubilizing Ni.

244 henylene rings, we construct moisture-stable Ni-MOF-74 members with adjustable pore apertures, which

245 Hierarchically structured Ni-Cu alloys composed of 3D network-like microscopic bra

246 Among three hierarchically structured Ni-Cu alloys with different Ni/Cu ratios (Ni0.25 Cu0.75

247 Via photophysical studies Ni et al. observe 'quantum cutting' in 0D metal-organic

248 ed nucleophilic reactivity of the symmetric [Ni(III) (mu-O)2 Ni(III) ](2+) complex and the decay of t

249 ion offers an attractive route to synthesize Ni nanoparticles on a La2O3 support.

250 his reactive intermediate support a terminal Ni-H moiety, for which the thermodynamic hydride donor s

251 level molecular switch based on terpyridine(Ni-salphen)2 tweezers and addressable by three orthogona

252 etal-organic material featuring tetrahedral [Ni(CNAr(Mes2))4]n structural sites.

253 The Ni concentration trend, pollution sources, and the poten

254 The Ni-based PEMFC reaches 14 mW cm(-2) , only six-times-les

255 de-like species at the interface between the Ni cluster and its metal-oxide support, as well as the a

256 of the selenide lattice which decreases the Ni(II) to Ni(III) oxidation potential.

257 ls of salinity to reveal how effectively the Ni NPs behave under real reservoir conditions.

258 sclose a class of phosphines that enable the Ni-catalysed Csp(3) Suzuki coupling of acetals with boro

259 re found in hydrogenated vegetable fats, the Ni content in confectionery products was significantly h

260 is electrode design strategy to generate the Ni/Ni(OH)2 interface on graphite from Ni deposits is pro

261 By evaluating complexes in the Ni(0), (I), and (II) oxidation states we report a precat

262 accompanied by conformational changes in the Ni(II) chelate itself.

263 (2)H uptake in helix 1 was suppressed in the Ni(II)- and Co(II)-bound RcnR complexes, in particular i

264 conduction band minimum from Ni-oxide in the Ni-only to predominantly Fe-oxide in the NiFe electrocat

265 ectric field, can significantly increase the Ni oxidation state.

266 , we show here that Fe doping influences the Ni valency.

267 on average electrochemical properties of the Ni cations measured by voltammetry, and instead emphasiz

268 Comparison of the Ni surface coverage to the concentration of free (uncomp

269 Characterization of the Ni(I)-CO species through spectroscopic and computational

270 g infection, and inhibit the activity of the Ni(II)-dependent enzyme urease in bacterial cultures.

271 Interestingly, illumination of the Ni(IV) complex with blue LEDs results in rapid formation

272 riments to investigate the reactivity of the Ni/Al2O3 interface toward water-gas shift (WGS) and dry

273 It is observed that the Ni interstitial and Ti,Hf/Sn antisite defects are collec

274 otentials and magnetizations reveal that the Ni-only system features oxidation of Ni(2+) to Ni(3+), f

275 rs into Pd-Ni-P nanoparticles and tuning the Ni/Pd atomic ratio to 1:1.

276 ne, 2-keto-4-methylthiobutyrate, whereas the Ni(2+)-containing isozyme catalyzes an off-pathway shunt

277 ient starting materials for simple, thermal, Ni-catalyzed radical formation and subsequent trapping w

278 Oxidation by one electron of this Ni(III) species generates a six-coordinate Ni(IV) comple

279 -only system features oxidation of Ni(2+) to Ni(3+), followed by oxidation to a mixed Ni(3+/4+) state

280 and the potential health risks associated to Ni were investigated.

281 plex, with an acetonitrile molecule bound to Ni.

282 lenide lattice which decreases the Ni(II) to Ni(III) oxidation potential.

283 t fast reductive elimination, giving rise to Ni(I) species.

284 could guide future ligand design tailored to Ni.

285 ntroducing two electrons and two protons to [Ni-Fe](+) produces H2 from coupling a hydride temporaril

286 e to the concentration of free (uncomplexed) Ni(2+) in solution suggests that the oxalate also alters

287 The unusual Ni(IV) oxido species is stabilized within a dinuclear tr

288 n blot and ELISA, and OPN was purified using Ni affinity chromatography.

289 hesized through "bottom-up" techniques using Ni(2+), Cu(2+), Co(2+), and hexaaminobenzene.

290 by trace metals (Ag, Cd, Sb, Tl, but also V, Ni, and Mo which are enriched in bitumen) has been decli

291 La and 17 other elements (Na, K, V, Ni, Co, Cu, Zn, Ga, As, Se, Mo, Cd, Sn, Sb, Ba, W, and P

292 A mixed-valent Ni(2.5+)-Ni(2.5+) intermediate is isolated.

293 itoring change in CO2 bubble size at various Ni NPs concentrations.

294 NOx, SO2, VOC, CO, NH3, Hg, Pb, Cd, Cr (VI), Ni, As, and dioxins.

295 transparent substrate electrode, onto which Ni and Ni/Fe thin films are deposited.

296 aryl electrophiles can be accomplished with Ni salts in the presence of a chiral diamine ligand.

297 Bimetallic, Ni4Fe1 with Ni/(Ni + Fe) = 0.8, showed the highest activity and stab

298 was expressed in E. coli, and purified with Ni-NTA agarose affinity chromatography.

299 ave high heavy metal contents (e.g., Cr, Zn, Ni, Sn, etc.) and the capacity to remove dissolved sulfi

300 or the first time, speciation of Fe, Mn, Zn, Ni, Cu and Pb was determined along the profiles of 8 con