ライフサイエンスコーパス: Pb

1 Pb and Mg were mainly significantly less represented in

2 Pb exposure increased circulating antioxidant levels in

3 Pb induced the expression of SPP1 (secreted phosphoprote

4 Pb ultrathin films exhibit a Moire superstructure due to

5 Pb was found in the mango juice sample (17.8+/-0.9mugL(-

6 Four clusters were identified: (1) Pb, As, Co, Cd and Cr; (2) Cu and Al; (3) Fe and (4) Zn.

7 and Zn were 0.04mugL(-1) (Cu), 0.02mugL(-1) (Pb), and 0.10mugL(-1) (Zn).

8 ation present in the [HC(NH2 )2 ]0.83 Cs0.17 Pb(Br0.2 I0.8 )3 precursor solution and the nucleation a

9 Employing a (HC(NH2 )2 )0.83 Cs0.17 Pb(I0.6 Br0.4 )3 perovskite as the photoactive layer, gl

10 n over other cations such as Fe(2+), Cu(2+), Pb(2+), Hg(2+), Mn(2+), Ni(2+), Zn(2+), Co(2+) and Cd(2+

11 6+), Cu(+)/Cu(2+), Fe(2+)/Fe(3+), and Pb(2+)/Pb(4+) was demonstrated.

12 tion for (87)Sr/(86)Sr, (208,207,206)Pb/(204)Pb, (143)Nd/(144)Nd, (176)Hf/(177)Hf, and (230)Th/(232)T

13 composition for (87)Sr/(86)Sr, (208,207,206)Pb/(204)Pb, (143)Nd/(144)Nd, (176)Hf/(177)Hf, and (230)T

14 Lead isotopic ratio analysis ((206)Pb/(207)Pb) suggested a possible origin related to the l

15 ins have been isolated yielding average (206)Pb/(238)U ages of 2,436+/-94 Ma (protolith crystallizati

16 conformity, which yield a weighted-mean (206)Pb/(238)U age of 61.596 +/- 0.028 Ma (2sigma).

17 Lead isotopic ratio analysis ((206)Pb/(207)Pb) suggested a possible origin related to the leaching

18 ared to be driven by complexation, with (208)Pb and UV254 size-exclusion chromatograms exhibiting str

19 land basalts, the Terceira basalt has a (210)Pb deficit, which we attribute to 8.5 years of steady (

20 d here, commonly have near equilibrium ((210)Pb/(226)Ra)0 values.

21 mmonly used radioisotope tracer (excess (210)Pb, (210)Pbxs) from 32 sediment cores collected from 201

22 ources in the environment using fallout (210)Pb as a tracer, and apply the method to samples collecte

23 We present new (238)U-(230)Th-(226)Ra-(210)Pb and supporting data for young lavas from southwest Pa

24 Variations in the ((210)Pb/(226)Ra)0 values in all settings largely result from

25 The (210)Pb/Pb ratios in plants varied from 0 to 34 Bq mg(-1) ind

26 (14)C age dating, were confirmed using (210)Pb and (137)Cs: these show that the top 2 m of Sphagnum-

27 ctions of the cores were age-dated with (210)Pb using ultralow background gamma spectrometry, and sel

28 )Cu, (47)Sc, (166)Ho, (161)Tb, (149)Tb, (212)Pb/(212)Bi, (225)Ac, and (213)Bi-have been produced and

29 es cerussite PbCO3 and hydrocerussite 2PbCO3.Pb(OH)2, has been used in paintings since the Antiquity.

30 pacitance effect in epitaxial La0.7Sr0.3MnO3/Pb(Zr0.2Ti0.8)O3/La0.7Sr0.3MnO3 heterostructures have be

31 varied from 43 to 63% (Cu), from 32 to 42% (Pb) and from 38 to 58% (Zn).

32 In the upper ocean, a Pb concentration maxima (64-113 pmol kg(-1)) extended th

33 lliptical Co40Fe40B20 nanomagnet on top of a Pb(Zr,Ti)O3 film as an example).

34 russite (PbCO3) through reaction with acidic Pb-bearing solutions.

35 re calculated for Co(2+), Cr(6+), Hg(2+) and Pb(2+) as 26.4, 30.4, 19.5, and 35.2mg/g, respectively.

36 was also successfully applied on Hg(2+) and Pb(2+) detection in real environmental water samples.

37 ion-separation of Co(2+), Cr(6+), Hg(2+) and Pb(2+) ions prior to their determinations in food sample

38 e biosorption for Co(2+), Cr(6+), Hg(2+) and Pb(2+) were found to be 5.0, 6.0, 6.0 and 6.0, respectiv

39 metal ions such as Hg(2+), Ag(+), Cu(2+) and Pb(2+).

40 Hg(2+), Cu(2+), and Pb(2+) were used as a representative system for this stu

41 (Cd(2+), Co(2+), Cu(2+), Hg(2+), Ni(2+), and Pb(2+)) from aqueous solution with initial concentration

42 5, 0.53, and 0.57 nM for Hg(2+), Cu(2+), and Pb(2+), respectively.

43 3+)/Cr(6+), Cu(+)/Cu(2+), Fe(2+)/Fe(3+), and Pb(2+)/Pb(4+) was demonstrated.

44 respectively for Hg(2+), Co(2+), Cr(6+) and Pb(2+).

45 rapuava region, in Parana State (Brazil) and Pb concentrations ranged from 2.12 to 37.36microgl(-1).

46 or extraction and preconcentration of Cd and Pb from soft drinks and further determination by GF AAS

47 was applied for the determination of Cd and Pb in soft drinks with different brands and flavours.

48 ion of trace elements such as Cu, Cr, Cd and Pb in yogurt.

49 certified values obtained for Ca, As, Cd and Pb were 1.444 +/- 0.099 mg/g, 5.61 +/- 0.59 mg/kg, 1.191

50 LODs were 0.006 and 0.072ngL(-1) for Cd and Pb, respectively.

51 samples, and the overall risk of As, Cd, and Pb intake from mushroom consumption is low in the U.S.

52 icity of metal mixtures (Ni, Zn, Cu, Cd, and Pb) to Daphnia magna, Ceriodaphnia dubia, and Hordeum vu

53 h long-term depletion in incompatible Cl and Pb, and lesser depletion of more-compatible Zn.

54 The daily intake of Cd, Cu, Cr and Pb via consumption of these samples was estimated.

55 lied for the determination of Cd, Cr, Cu and Pb in some Brazilian yogurt samples.

56 t time, speciation of Fe, Mn, Zn, Ni, Cu and Pb was determined along the profiles of 8 constructed we

57 per CW layers to a larger extent than Cu and Pb, reflecting adsorption affinity to all filter materia

58 ear 2100, predicted free ion Al, Fe, Cu, and Pb concentrations increase by factors of up to approxima

59 ffusion of radiogenic elements (e.g., He and Pb) in host mineral.

60 validated by the determination of As, Hg and Pb in NIST standard reference materials SRM 1547 Peach L

61 the metal ions Cd(II), Cr(III), Pb(II), and Pb(IV).

62 Cd(II), Cr(III), and Pb(II) ions displayed general electrostatic interactions

63 ether with selected toxic metals (Cd, Ni and Pb).

64 een total phenols and flavonoids, and Ni and Pb, specifically higher concentrations of these compound

65 , S, Al, Fe, Mn, Cu, Zn, As, Cd, Cr, Ni, and Pb.

66 CdCl2, ZnSO4, NiCl2, HgSO4, HgCl2, PbI2, and Pb(Ac)2.

67 absorption edge showed that Pb pigments and Pb soaps can be distinguished while micro-XANES gave fur

68 rved in Ca and Mg, and the lowest for Se and Pb, by both infusion and decoction.

69 ations among the major elements (Cu, Sn, and Pb) in these alloys.

70 ic table, including Group 14 Si, Ge, Sn, and Pb.

71 sin, and again Ln resin for isolating Sr and Pb, LREE then La-Ce-Nd-Sm, Lu(Yb), and Hf, Th, and U, re

72 hest yields were observed with Bi-, Te-, and Pb-based additives, and particularly from those containi

73 ll-angle X-ray scattering data of Bi@U24 and Pb@U24 solutions revealed that this technique is very se

74 , Zn, Ga, As, Se, Mo, Cd, Sn, Sb, Ba, W, and Pb), including air toxics were enriched relative to the

75 were performed for both samples in water and Pb-contained solution using high-resolution X-ray reflec

76 action of oxide surfaces with both water and Pb-contained solution.

77 ace were observed when immersed in water and Pb-contained solution.

78 of background (natural) Pb and anthropogenic Pb inputs from preceding decades.

79 well as significant amounts of anthropogenic Pb.

80 genotoxic heavy metals (Cr>Cd approximately Pb), and polluted ash induced a strong recApr-Luc2 respo

81 onitor contamination by toxic metals such as Pb.

82 17 PCDD/Fs and 16 pesticides whereas Cd, As, Pb and Hg were assayed by ICP-MS.

83 Concentrations of As, Pb, and Cd were less than 1 mug g(-1) d.w. in all mushro

84 nd heavy metals (Cd, Cr, Cu, Co, Al, Zn, As, Pb and Fe) in 22 varieties of cooked rice using an induc

85 t ingestion exposure pathways and associated Pb intake rates; water ingestion was also a main pathway

86 Assuming Pb isotope compositions in the North Pacific Ocean were

87 s-double perovskite oxides A 2VFeO6 (A = Ba, Pb, etc).

88 n to be induced by complex formation between Pb(2+) and citrate groups localized on the AgNPs, reduci

89 ling microscope to explore an overdoped (Bi, Pb)2Sr2CuO6+delta with a large Fermi surface (FS).

90 his study area using total and bioaccessible Pb concentrations, respectively.

91 relationships between total or bioaccessible Pb in soil and children's BLLs.

92 ged from 58 to 2821 mg/kg; the bioaccessible Pb concentration ranged from 47 to 2567 mg/kg.

93 ine whether accounting for the bioaccessible Pb fraction improves statistical relationships with chil

94 erminus of MerA is able to extract the bound Pb(VI) but not the bound Sn(IV).

95 es analyzed show a possible contamination by Pb with concentration values as high as 140mg.kg(-1), wh

96 e PAHs translocation by maize was reduced by Pb uptake, but not significantly affected by soil organi

97 ermination of targeted analytes such as: Cd, Pb, As, Cu, Cr, Ni, Fe, Mn and Sn in different canned sa

98 ntaminants (Dioxins, PCBs, HBCD, Zn, Cu, Cd, Pb, As) were measured at significantly higher levels in

99 tals, the highest CTPs were observed for Cd, Pb, and Zn.

100 romatin immunoprecipitation) to characterize Pb-induced gene up-regulation.

101 f 1.35-L H2S is important, as the commercial Pb(II)(acetate)2-based paper requires large volumes of 5

102 in 2002 and present the first comprehensive Pb isotope data set for that region.

103 GeTe and its derivatives constituting Pb-free elements have been well known as potential therm

104 combustion released toxic metals containing Pb, Zn, Sn, and Sb.

105 in direct contact with solutions containing Pb (II).

106 The controllable Pb-doping leads to the increase in the optical bandgap,

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

108 operationally defined speciation of Cd, Cu, Pb and Zn in apple beverages by anodic stripping chronop

109 The detection limits (DLs) achieved for Cu, Pb and Zn were 0.04mugL(-1) (Cu), 0.02mugL(-1) (Pb), and

110 The mean total concentrations of Cu, Pb and Zn were 69+/-20, 7.3+/-3.3, and 129+/-59mugL(-1)

111 These results demonstrate Pb sequestration through mineral replacement reactions a

112 Diffuse Pb contamination in surface soil is estimated to be <0.5

113 formation on Pb sources and in disentangling Pb input histories.

114 onsequence of interactions between dissolved Pb and unreacted phosphate arising from the amendment or

115 ercentile (As>/=0.7 mug/dl, Mn>/=6.6 mug/dl, Pb>/=4.2 mug/dl) compared to the median (As=0.5 mug/dl,

116 to the median (As=0.5 mug/dl, Mn=5.8 mug/dl, Pb=3.1 mug/dl).

117 Here we report on the sublethal effects Pb exposure has on the breeding performance of red-legge

118 tability issues inherent within the emerging Pb-based halide perovskite absorbers.

119 Decreases in environmental Pb contamination corresponding with the near-global phas

120 The dependence of the SBH of epitaxial Pb-Si(111) on its reconstruction is also covered.

121 tro only if nonbiological agents for example Pb(2+) are added.

122 s removal of selected elements (for example, Pb), even after deformation has ceased.

123 common heather (Mg, Na), bearberry (Ba, Fe, Pb) and sage (Ag) honeys.

124 ), sage (Ag, Cd, Cu), and bearberry (Ba, Fe, Pb, Sb, Zn).

125 ng the polarization field of a ferroelectric Pb(Zr,Ti)O3 (PZT) gate, nonvolatile resistance modulatio

126 y of eggshell was achieved as 923mgg(-1) for Pb(II).

127 om 91 to 113% for Cd and from 95 to 108% for Pb, with RSD below 10 and 7%, respectively.

128 cetone for Cd and 700muL of acetonitrile for Pb as dispersive solvents, 60muL of CCl4 as extraction s

129 , Cu, K, Mg, Na and Zn, respectively and for Pb was 0.99mugL(-1).

130 ical signal, a label-free GFET biosensor for Pb(2+) monitoring is enabled with promising application

131 ype is a predictor of elemental leaching for Pb, Ba, Cr, Cu, Mn and Sr; BPA was detected in samples f

132 is used to synthesize precursor material for Pb-doped Bi0.7 Sb1.3 Te3 thermoelectric nanocomposites.

133 tion limit of 22 pM for Hg(2+) and 20 nM for Pb(2+)) and selectivity without any signal amplification

134 n reach an absolute LOD of few picograms for Pb and 0.2 pg for Ag.

135 ibution of Pb and can be used to obtain full Pb isotope compositions in user-defined regions in a 70

136 behavior but no contamination source (e.g., Pb vs Rb), or (2) comparing the top soil distribution of

137 , heavy metals induced acute toxicity (Cr>Cd>Pb) at concentrations sufficient to activate recApr-Luc2

138 Cu, Zn, As, Se, Sr, Mo, Cd, Sn, Sb, Ba, Hg, Pb, Bi, Th, and U) in green coffee samples and their inf

139 2O, PM2.5, PM10, NOx, SO2, VOC, CO, NH3, Hg, Pb, Cd, Cr (VI), Ni, As, and dioxins.

140 le was found to be non-compliant due to high Pb concentration.

141 a allow clearer discrimination of historical Pb input phases, and highlight within-estuary mixing and

142 eloping brain, yet little is known about how Pb perturbs NSC functions and whether such perturbation

143 We aimed to identify Pb-induced transcriptomic changes in NSCs and to link th

144 ), Co(II), Cr(III), Cu(II), Fe(III), Mn(II), Pb(II), and Zn(II) trace metals by flame atomic absorpti

145 me heavy metal ions, Cd(II), Cu(II), Ni(II), Pb(II) and Zn(II) at trace levels using multiwalled carb

146 c rings, and the metal ions Cd(II), Cr(III), Pb(II), and Pb(IV).

147 of Cd(II), Co(II), Cu(II), Fe(III), Cr(III), Pb(II), and Zn(II) ions by flame atomic absorption spect

148 dence suggests a relatively faster change in Pb isotope ratios of North Pacific deep water below the

149 nation of the (148)Gd and (154)Dy content in Pb targets irradiated by 220-2600 MeV protons.

150 tropic or 1D electronic states are formed in Pb films as modulated by the stripe charge order.

151 tobello, while no difference was observed in Pb levels among the mushrooms.

152 ve lignin-AuNPs liquid marble can be used in Pb(2+)-related reactions.

153 arctic Gyre (WSAG) contained more industrial Pb than below the NPSG, which was attributed to a calcul

154 In addition, IVBA assays influenced Pb speciation as a consequence of interactions between d

155 r for the label-free detection of lead ions (Pb(2+)) in aqueous-media, which first implements the G-q

156 mug/dL and 1.5 mug/dL in BLL per 1000 mg/kg Pb in soil were observed for this study area using total

157 Lead (Pb) adversely affects neurodevelopment in children.

158 Lead (Pb) is a major urban pollutant, due to deteriorating lea

159 between 0.5 and 1 muM of arsenic (As), lead (Pb), and copper (Cu) from solution via adsorption.

160 ps between total soil or bioaccessible lead (Pb), measured using an in vitro bioaccessibility assay,

161 We report the continued lead (Pb) contamination of the Northwest Pacific Ocean in 2002

162 Some of the heavy metals including Lead (Pb), Mercury (Hg), Arsenic (As), Chromium (Cr) and Cadmi

163 is is the first study about removal of lead (Pb(II)) from energy drinks.

164 his work demonstrates determination of lead (Pb) in surface water samples using a low-cost copper (Cu

165 ation as a potential novel mechanism linking Pb exposure with neural stem cell function and neurodeve

166 In contrast, the deep water (>1000 m) Pb concentrations were lower (6-37 pmol kg(-1)), and con

167 ities will remain the dominant global marine Pb source, even in the absence of leaded petrol combusti

168 s with LMPA inclusions (e.g., Field's metal, Pb-based solder), mechanical rigidity can be actively tu

169 c profiling in human NSCs treated with 1 muM Pb.

170 spects of Moire superstructures in nanoscale Pb quantum films grown on IrTe2, which is a unique layer

171 These fluxes of natural Pb then become entrained into polynya waters either from

172 nd constituted a mix of background (natural) Pb and anthropogenic Pb inputs from preceding decades.

173 arth Element (REE) concentrations with Sr-Nd-Pb isotope ratios.

174 A part of K is located near Pb, forming mixed Si-O-(Pb,K) near the nonbridging oxyge

175 ria, and Fungi exposed to As, Cd, Cr Cu, Ni, Pb, and Zn showed that metal resistance depends on the m

176 s (Cd, Cr(III), Co, Cu(II), Fe(III), Mn, Ni, Pb, and Zn) in 64 large marine ecosystems (LMEs) coverin

177 and the trace elements: Cd, Cu, Fe, Mn, Ni, Pb, Se, Zn were determined in foods for 4-6, 7+ and 10+

178 nts (As, Ba, Cu, Fe, Mn, Cd, Cr, Hg, Mo, Ni, Pb, Se, Sb, Sn, and Zn) in three different pulse species

179 of K is located near Pb, forming mixed Si-O-(Pb,K) near the nonbridging oxygens.

180 nstrate the remarkable adsorption ability of Pb(II) and As(V) in waste water by the ultrathin FeOOH n

181 entration and extraction of trace amounts of Pb(2+) from water and vegetable samples followed by flam

182 X-100 and nitric acid for direct analysis of Pb using graphite furnace atomic absorption spectrometry

183 For anodic stripping voltammetry (ASV) of Pb, our sensor shows 21 nM (4.4 ppb) limit of detection,

184 The isotopic composition of Pb was determined in Finnish peat bogs and their porewat

185 ere treated with different concentrations of Pb in a hydroponic setup.

186 od was investigated for the determination of Pb (II) in food and water samples.

187 The method was applied for determination of Pb in fish samples with good results.

188 ed for preconcentration and determination of Pb(II) in aqueous samples using hollow fiber based solid

189 n can be explained by the inter-diffusion of Pb and Bi elements into whole films and even into the to

190 consequence of the preferential diffusion of Pb(2+) ions through specific (a, b) planes of the hexago

191 tes was attributed to the low diffusivity of Pb(2+) ions inside the host lattice and to the absence o

192 al assessment of the spatial distribution of Pb and can be used to obtain full Pb isotope composition

193 We studied the effects of Pb exposure on sperm quality, reproductive success, egg

194 exagonal Cu2Se nanocrystals, the entrance of Pb(2+) ions generated PbSe stripes "sandwiched" in betwe

195 he vortex assisted-solid phase extraction of Pb(II) from cereal, beverage and water samples.

196 tive nanosorbent for selective extraction of Pb(II) ions from various agricultural products is presen

197 The formation of Pb, Zn, and Cu carboxylates (soaps) has caused visible d

198 34 Bq mg(-1) indicating different levels of Pb absorption from the atmosphere.

199 ur flawed understanding of natural levels of Pb in Earth's atmosphere.

200 uperstructure due to the lattice mismatch of Pb and IrTe2, which produces strong lateral electronic m

201 nity to all filter materials in the order of Pb > Cu > Zn > Ni.

202 the concurrent release and precipitation of Pb within a small confined volume.

203 composite was applied in preconcentration of Pb(2+) ions from various matrices.

204 In the presence of Pb(2+), AgNPs are slow to reversibly form agglomerates (

205 he label-free and specific quantification of Pb(2+) with a detection limit down to 163.7ng/L.

206 tolerate and accumulate large quantities of Pb in its tissues.

207 n more significantly, the isotopic record of Pb pollution proves to be an unparalleled proxy for trac

208 standard deviations and relative recovery of Pb (II) was 4.9% and 99.3%, respectively (n=5).

209 single bilayers was observed, segregation of Pb to the surface of three bilayer thick PbSe-SnSe alloy

210 n self-assembled Fe chains on the surface of Pb have a spin polarization that exceeds that stemming f

211 be investigated through the understanding of Pb release mechanisms in solution.

212 ve than a commercial H2S test paper based on Pb(II)(acetate)2.

213 of isotopic data in retaining information on Pb sources and in disentangling Pb input histories.

214 ntributions to the river may change not only Pb but also Sr and Nd isotopic compositions in both diss

215 metal, M = alkaline earth metal, Zn, Cd, or Pb) materials indicates that, on average, smaller A cati

216 reated with solutions containing nPbO2(s) or Pb(II)aq in different water matrices for 7-14 days to in

217 determination of Ba, Ca, Cu, Fe, Mg, Mn, P, Pb, and Zn by inductively coupled plasma optical emissio

218 substances (C, Cd, Cr, Cu, Fe, Hg, N, Ni, P, Pb, Zn) are developed to characterize this WM-system.

219 The partial Pb(2+) for M(2+) exchange leads to a blue-shift of the o

220 lculated 60-fold greater flux of particulate Pb to abyssal waters near the Asian continent.

221 hieved in a heterostructure of piezoelectric Pb(Zr,Ti)O3 (PZT) film deposited on magnetostrictive Met

222 lar dynamics simulations of the prototypical Pb(Mg1/3,Nb2/3)O3-PbTiO3 relaxor material to examine its

223 and Ostia were the only source of radiogenic Pb, which, in geologically young central Italy, is the h

224 roxyapatite) utilization, was used to remove Pb(II) from mineral water and energy drinks.

225 ed adsorbent was quite effective in removing Pb(II) from drinks.

226 tal correlation density distribution, showed Pb and Sn segregation in the soap-affected areas.

227 low-melting temperature metals (In, Ga, Sn, Pb), produce stable molten metal alloy catalysts for pyr

228 tionalized E=E multiple bonds (E=Si, Ge, Sn, Pb) because of their potential to exhibit novel physical

229 l element composition of three ternary Cu-Sn-Pb model bronze alloys (lead bronzes: CuSn10Pb10, CuSn7P

230 variability in child BLL; bioaccessible soil Pb concentration as the predictor accounted for 26% of B

231 R(2) for the model using bioaccessible soil Pb concentration as the predictor with 99.0% of bootstra

232 in Philadelphia, PA, with a history of soil Pb contamination.

233 Total soil Pb concentration as the predictor accounted for 23% of t

234 Total soil Pb concentration ranged from 58 to 2821 mg/kg; the bioac

235 ized for binding trigonal pyramidal species (Pb(II)S3 and As(III)S3) in an endo conformation oriented

236 for samples requiring the separation of Sr, Pb, Nd, and Hf only.

237 nation of K, Ca, Mn, Fe, Cu, Zn, Br, Rb, Sr, Pb, As and Sn.

238 Stable Pb isotope data show a broad degree of correspondence in

239 ision, double-spike mass spectrometry stable Pb isotope data allow clearer discrimination of historic

240 m oxidative stress in the event of sublethal Pb exposure.

241 vortices penetrating into a superconducting Pb film at rates of tens of GHz and moving with velociti

242 f super-fast vortices into a superconducting Pb film at rates of tens of GHz and velocities up to ten

243 A major issue in thermochronology and U-Th-Pb dating is the effect of radiation damage, created by

244 Our findings revealed that Pb induces an NRF2-dependent transcriptional response in

245 around the Pb-L3 absorption edge showed that Pb pigments and Pb soaps can be distinguished while micr

246 The Pb isotope composition measured in the particle here is

247 The Pb isotope composition of a nuclear fallout debris parti

248 The Pb, Sr, Nd, and Hf isotopic mixing arrays show that the

249 the lattice contraction that accompanies the Pb(2+) for M(2+) cation exchange and is observed to scal

250 cerussite growth controlled by adjusting the Pb(2+) concentration and pH.

251 8-17 DNAzyme adopts a V-shape fold, and the Pb(2+) cofactor is bound at the pre-organized pocket.

252 eas diethyllead (DEL) is a substrate and the Pb(IV) product remains bound in the active site.

253 ption near edge structure (XANES) around the Pb-L3 absorption edge showed that Pb pigments and Pb soa

254 e types of particles are responsible for the Pb isotope compositions measured in both trinitite glass

255 hedral rotations, and the propensity for the Pb(2+) lone pair to express its stereochemistry.

256 rial exhibits significant asymmetries in the Pb-I pair distribution functions.

257 how that most ( approximately 60-95%) of the Pb at our sites, at the time of sampling, is natural in

258 er QD requires that approximately 10% of the Pb be replaced by Ag.

259 We determined most of the Pb in this feature was from industrial emissions by many

260 This suggests that only around 20% of the Pb they contain was from direct atmospheric deposition,

261 latter, subject to larger deformation of the Pb-X bond length and X-Pb-X bond angles, sees the format

262 copy (EDS) mapping of the same particle, the Pb measured in this fallout particle cannot be from a ma

263 Similarly, the Pb isotope composition of the particle is resolvable fro

264 QDs of all three Pb chalcogenides retain their photoluminescence, allowin

265 Thus, Pb(IV) ions are especially prone to interact with Abeta

266 story of heavy metal (V, Cu, Zn, Cd, Hg, Tl, Pb, U) pollution in Lake Baikal seals over the past 8 de

267 tal outcomes in children who were exposed to Pb.

268 The exposure of cubic Cu2Se nanocrystals to Pb(2+) cations led to the initial formation of PbSe unse

269 hod characterized by high selectivity toward Pb(II) ions.

270 ted by extraction and determination of trace Pb(2+) ions in different agricultural products including

271 ere we develop a novel approach for tracking Pb from atmospheric deposition and other sources in the

272 Two Pb(Zr0.20Ti0.80)O3 samples of different thickness and do

273 U-Pb and Lu-Hf isotope analyses of zircons were made using

274 Here we show that accurate U-Pb isotopic analysis of nanoscale domains of baddeleyite

275 populations of (40)Ar/(39)Ar sanidine and U-Pb zircon dates and a substantially improved capability

276 Here we apply U-Pb geochronology to zircon from the Quaternary Kurobegaw

277 We present an integrated zircon isotope (U-Pb, Lu-Hf, O) and trace element dataset from the paired

278 of ~120,000 detrital zircon uranium-lead (U-Pb) ages from global sedimentary deposits as a proxy to

279 tigraphy, isotopic data and high precision U-Pb zircon dates from the Triassic-Jurassic (T-J) and Pli

280 Here we present U-Pb zircon dates from tephra layers close to the basal un

281 The U-Pb data demonstrate that the Kurobegawa pluton experienc

282 mal ionization mass spectrometry (CA-TIMS) U-Pb zircon ages reveal that the assemblage is early Carni

283 these, the HIMU end-member (having a high U/Pb ratio, mu) has been generally considered to represent

284 (delta(37)Cl = +15 per thousand), and high U/Pb supports the origin of condensates from a volatile-po

285 rt on a study of epitaxially grown ultrathin Pb films that are only a few atoms thick and have parall

286 eavage reaction, illustrating the unexpected Pb(2+)-accelerated catalysis, intrinsic tertiary interac

287 oreover, [Pb8 O6 ](4+) is a formerly unknown Pb(II) polynuclear species, both in solution and in the

288 ectrostatic interactions with Abeta, whereas Pb(IV) ions showed specific transient binding coordinati

289 n exchange in colloidal CsPbBr3 NCs, whereby Pb(2+) is exchanged for several isovalent cations, resul

290 tsynthetic cation exchange reaction in which Pb is exchanged for Ag.

291 While Pb(IV) ions affected mainly Abeta dimer and trimer forma

292 phene surface can specifically interact with Pb(2+) ions and switch into G-quadruplex structures.

293 t material in cation exchange reactions with Pb(2+) ions.

294 The structures with Pb(2+) and the modification at the cleavage site capture

295 ntal studies of energy harvested from (1-y-x)Pb(In1/2Nb1/2)O3-(y)Pb(Mg1/3Nb2/3)O3-(x)PbTiO3 (PIN-PMN-

296 er deformation of the Pb-X bond length and X-Pb-X bond angles, sees the formation of VF color centers

297 gy harvested from (1-y-x)Pb(In1/2Nb1/2)O3-(y)Pb(Mg1/3Nb2/3)O3-(x)PbTiO3 (PIN-PMN-PT) crystals under h

298 te data on present concentrations of Cu, Zn, Pb, As, Cd, and Ni which showed that most concentrations

299 n of oral bioaccessible fractions of Cu, Zn, Pb, Ni, Cr, and As under worst-case extraction condition

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