ライフサイエンスコーパス: isotope

1 e and a 10(13) Omega resistor for the (26)Mg isotope.

2 rporation of orally administered stable iron isotope.

3 ties at similar levels for the eight encoded isotopes.

4 ever, it is labeled with the short half-life isotope (11)C.

5 positively correlated to the ratio of carbon isotopes ((13)C/(12)C), indicating positive correlations

6 onal spectroscopy (NRVS) using the Mossbauer isotope (161) Dy has been employed for the first time to

7 theranostic pair with the therapeutic copper isotope (67)Cu.

8 nments and to the measurement of the (204)Pb isotope, a precise characterization of the Pb isotope co

9 Simultaneous multi-isotope acquisitions slightly degraded spatial resolutio

10 multiple ion species due to the presence of isotopes, adducts and in-source fragments.

11 ic water-splitting to furnish [H] or [D] and isotope alkanol-oxidation by photoexcited electron-hole

12 on technique) was obtained using combined Sr isotope amount ratios and multi-elemental data.

13 Stable isotope analyses (delta(13)C and delta(15)N) indicated t

14 Based on high precision Si isotope analyses in micro-milled phase separates of EH3

15 ma mass spectrometry data combined with lead isotope analyses of a precisely dated (mid-eighth centur

16 We use carbon and nitrogen stable isotope analyses to characterize arthropod food webs acr

17 lutants, commonly couple chemical and stable isotope analyses to identify bioaccumulation pathways.

18 valuate the application of compound specific isotope analysis (CSIA) for monitoring the reduction of

19 control in hydrogen compound-specific stable isotope analysis (CSIA) of halogenated compounds.

20 opulation, and community levels using stable isotope analysis of 684 carnivores from seven communitie

21 Previous research has used stable isotope analysis of dog diets for insight into human sub

22 as applied for the delta(33)S and delta(34)S isotope analysis of industrially produced organic compou

23 A novel procedure for the rapid isotope analysis of the carbon-bound non-exchangeable (C

24 Stable isotope analysis revealed that trophic position of the c

25 tor biomass nor trophic position (via stable isotope analysis) increased with plant biomass, suggesti

26 tial and temporal scales using stable carbon isotope analysis, leaf gas exchange and eddy covariance

27 on dating, body size reconstructions, stable isotope analysis, scanning electron microscopy, and sedi

28 eep brines have not yet been obtained for Ba isotope analysis.

29 Omega resistor for the most abundant (24)Mg isotope and a 10(13) Omega resistor for the (26)Mg isoto

30 er from 1982 to 2016, based on paired oxygen isotope and Sr/Ca measurements.

31 e is commonly reconstructed using the oxygen isotope and the clumped isotope compositions of carbonat

32 This work examines the use of stable isotopes and elemental composition for determining geogr

33 Stable-labelled isotopes and metabolomics were employed to address the i

34 oined analytical techniques, based on stable isotopes and trace elements of EVOOs, with humanistic an

35 the monitoring of both the (24)Mg and (26)Mg isotopes and up to twofold using a 10(11) Omega resistor

36 Stable isotopes are routinely employed by NMR metabolomics to h

37 Here we develop mercury (Hg) stable isotopes as a proxy for paleoatmospheric chemistry and u

38 gnostic distributions of nutrients and their isotopes as well as measured and modeled biogeographic p

39 Using multiple mutant stocks and stable isotope-assisted metabolic analyses, we demonstrate the

40 s is supported by the incorporation of (13)C isotope by conchocelis when co-cultured with (13)C-label

41 We demonstrate that the yttrium-86 isotope can be used as a gadolinium surrogate.

42 measurements with single-, dual- and triple-isotope combinations of (99m)Tc, (111)In, (123)I, (177)L

43 along with stable carbon (C) and oxygen (O) isotope composition (delta(13) C and delta(18) O, respec

44 Alternatively, leaf carbon stable isotope composition (delta(13) C(leaf) ) has been sugges

45 theoretical models suggest that leaf carbon isotope composition (delta(13) C), when the efficiency o

46 ate-veneer Ru can only be established if its isotope composition is distinct from that of the modern

47 ld not be reconciled with the ruthenium (Ru) isotope composition of carbonaceous chondrites(5,11), wh

48 ycling in the lake, derived from the silicon isotope composition of diatoms, which dominate aquatic p

49 mploying a compilation of the Sr, Nd, and Hf isotope composition of kimberlites-volcanic rocks that o

50 sotope, a precise characterization of the Pb isotope composition of the U-ore was performed without t

51 rcentages, elemental mass ratios, and stable isotope composition.

52 The mass-independent minor oxygen isotope compositions (Delta'(17)O) of atmospheric O(2) a

53 etry (MC-ICP-MS) measurements of seawater Pb isotope compositions following Pb separation by either s

54 he first high-precision, mass-independent Ru isotope compositions for Eoarchaean ultramafic rocks fro

55 ted using the oxygen isotope and the clumped isotope compositions of carbonate archives.

56 pike method and produce unbiased seawater Pb isotope compositions with similar or improved precision.

57 data, combined with the carbon and nitrogen isotope contents of the diamonds, indicate that carbonat

58 xy for paleoatmospheric chemistry and use Hg isotope data from 2.5 billion-year-old sedimentary rocks

59 arising interactions by superimposing stable isotope data from alternative sources to better estimate

60 Stable isotope data from enamel carbonates and dentin collagen

61 Here, we present carbon isotope data from more than 1,050 fossil teeth that reco

62 uld be taken into account for interpreting U isotope data from the environment.

63 on with previously published geochemical and isotope data indicate a biogenic origin for iron precipi

64 Our stable isotope data indicates that the expansion of C(4) vegeta

65 ture uptake calculations with monthly stable isotope data observed over five years.

66 We present stable isotope data of more than 400 samples belonging to 10 ma

67 New Hf isotope data provide new insights into the nature of the

68 servations, backed up with carbon and oxygen isotope data, which indicate an intimate association bet

69 etween the geogenic and the anthropogenic Pb isotopes data that characterize European and Asian sourc

70 these constraints, we compiled diet (stable isotopes) data and lipid-normalized concentrations of su

71 ter conditions in forest, as shown by stable isotope (delta(13) C) analysis of thrush whole blood, pr

72 Here, we present the carbon isotope (delta(13)C) megasplice, documenting deep-ocean

73 elta(199)Hg: 0.96-1.13 per mille) and carbon isotope (delta(13)C: -20.6 to -19.4 per mille) ratios.

74 Here, we report enamel stable calcium isotope (delta(44/42)Ca) values against delta(13)C value

75 M imagery, skeletal trace elements and boron isotopes (delta(11)B) have been combined as a novel appr

76 e demonstrate for the first time that stable isotopes (delta(17)O, delta(18)O and deltaD) of structur

77 ations of atmospheric mercury with Hg stable isotopes depends on the ability to collect amounts suffi

78 The hydrogen isotopes deuterium (D) and tritium (T) have become essen

79 elemental mercury (GEM) mass concentration: isotope dilution cold-vapor inductively coupled plasma m

80 lly quantified after re-extraction by stable isotope dilution LC-MS/MS analysis.

81 in a selection of roasted coffee products by isotope dilution liquid chromatography-high resolution m

82 Using the BAL fluid, we performed isotope dilution mass spectrometry to measure several pr

83 ty measured by our method and by traditional isotope dilution method are in excellent agreement, with

84 re and after separation was used as internal isotope dilution standard for quantitative determination

85 Ileal endogenous AA flows were determined by isotope dilution.

86 ehensive study of the distribution of carbon isotope discrimination and values among different plant

87 Plant carbon isotope discrimination is complex, and could be driven b

88 CO(2) in the atmosphere) do not drive carbon isotope discrimination.

89 ional methods, information hidden inside the isotope distribution is often omitted and not extracted.

90 ome ranges can be modified for use in stable isotope ecology when data are not normally distributed i

91 Here, using a combination of isotope-edited infrared spectroscopy and molecular dynam

92 le-shaped cavities show that the equilibrium isotope effect (EIE) for heterolysis of the glycosidic b

93 Observations of a significant kinetic isotope effect (k(H) /k(D) =5.7) for the reactions of di

94 A large, primary intermolecular kinetic isotope effect (KIE = 31.9 +/- 1.0) suggests H-atom abst

95 ees C); thus, the hydrogen/deuterium kinetic isotope effect (KIE) = 6, consistent with H-atom abstrac

96 ence of alpha-FAD displayed a normal kinetic isotope effect (KIE) of 2.1, whereas the KIE was inverte

97 Heavy-atom kinetic isotope effect (KIE) studies are consistent with enantio

98 S molecules to take advantage of the kinetic isotope effect and demonstrate that indeed PFAS defluori

99 teration, and yields a predicted (16)O/(18)O isotope effect and energy barrier close to observed valu

100 alysis predicts that the H/D primary kinetic isotope effect can serve as a probe for these mechanisms

101 quantum mechanical computations and kinetic isotope effect experiments demonstrate that the Cope rea

102 hanistic techniques, including (13)C kinetic isotope effect experiments, deuterated labeling studies,

103 The isotope effect is studied in the magneto-electroluminesc

104 A primary (13)C/(12)C kinetic isotope effect of 1.022(4) was measured at 23 degrees C,

105 An observed kinetic isotope effect of 10.1 was measured in human liver micro

106 Hammett and kinetic isotope effect studies, in combination with computationa

107 The deuterium kinetic isotope effect, which compares the rate of a chemical re

108 rder kinetics and exhibits a sizable kinetic isotope effect.

109 Derivation of apparent kinetic isotope effects (AKIEs) for the reaction with ozone, how

110 Large intramolecular (13)C kinetic isotope effects (KIEs) for the di-pai-methane rearrangem

111 Small primary isotope effects are consistent with a rate-determining C

112 Isotope effects depend upon the polarity of the bulk med

113 and preliminary measurements of the kinetic isotope effects establish a concerted but asynchronous p

114 ng the meaningful interpretation of observed isotope effects for chemical reactions both in solution

115 Heavy atom (13)C/(12)C kinetic isotope effects near unity also support post rate-determ

116 re the active site topography; and deuterium isotope effects on the hydrogen atom abstraction by the

117 lar vibrational frequencies, reaction paths, isotope effects, and dynamical simulations.

118 Based on primary and beta-secondary isotope effects, it is established that the isomerizatio

119 In comparison, we found that the isotope enhancement of kappa is considerably lower for b

120 kinetic model that accounts for the observed isotope exchange and catalytic effect of Fe(II).

121 Here, we extend this work by studying isotope exchange and dissolution with lepidocrocite (Lp)

122 re of N(2) and is highly active for hydrogen isotope exchange at (hetero)aromatic hydrocarbons under

123 When (57)Fe(II) was added first, isotope exchange between surface and solution could be o

124 egrees C, through steady state and transient isotope exchange experiments, H(2)O cofeed measurements,

125 y, these findings demonstrate that selective isotope exchange potentially opens new opportunities for

126 st of these perturbations, the Shuram carbon isotope excursion, has been invoked as a driving mechani

127 Negative carbon isotope excursions (CIEs) recorded in marine and terrest

128 testing hypotheses related to extreme carbon isotope excursions and their role in the evolution of co

129 rate-determining step, supported by kinetic isotope experiments.

130 Through stable isotope feeding experiments, we demonstrate the in vivo

131 Metabolic labeling with atom-based heavy isotopes, followed by liquid chromatography coupled with

132 Gadolinium lacks suitable isotopes for nuclear imaging.

133 Here, we measured the stable chlorine isotope fractionation (epsilon(Cl)) associated with the

134 different reaction mechanisms and masking of isotope fractionation by either limited intracellular ma

135 ction mechanisms determine the extent of PCE isotope fractionation in the Desulfitobacterium genus.

136 in groundwater at a field site, where carbon isotope fractionation of CFC-11 suggests naturally occur

137 tors to the magnitude of carbon and chlorine isotope fractionation of Desulfitobacterium strains harb

138 , e.g., Fickian and Nernst-Planck diffusion, isotope fractionation, advection-dispersion transport, a

139 e generated temporal records of plant carbon isotopes from museum specimens collected over a climo-se

140 bolic functioning of microbial mats using an isotope geochemistry approach.

141 o study (89)Zr-labeled antibodies beyond 2-3 isotope half-lives (7-10 d), after which a poor signal-t

142 The distribution of water isotopes has been monitored in drinking water (DW; delta

143 6)Zn value) shows an enrichment of the heavy isotope in mammals along each trophic step.

144 the first to demonstrate the potential of Cu isotopes in bivalves to infer Cu bioavailability changes

145 Interannual changes in precipitation isotopes in central Vietnam are governed by the timing o

146 Here we present three new records of silicon isotopes in diatoms and sponges from the Southern Ocean

147 eport the presence of significantly light Si isotopes in EC-metals (delta(30)Si >= -6.94 +/- 0.09 per

148 We investigate processes controlling stable isotopes in precipitation from central Vietnam by combin

149 er concentrations and the ratios of hydrogen isotopes in the mantle give insight into these processes

150 suggesting that each species incorporates Cu isotopes in their tissues at different rates, depending

151 e distinct ratio of (129)Xe to primordial Xe isotopes in Yellowstone compared with mid-ocean ridge ba

152 yperinsulinemic-euglycemic clamp with stable isotopes, in 6-week postpartum women who were lactating

153 tive) concentration of metabolites and their isotope incorporation in (13)C-labeling experiments.

154 Using microscopy and (15) N stable isotope incubations, we studied the relationship between

155 lyze the samples obtained following a stable isotope infusion protocol of (13)C(2)-oxalate and 1-(13)

156 te amounts of the gamma-emitting radiosilver isotopes is often thwarted by the presence of concomitan

157 Stable isotope labeled (SIL) internal standards allow for matri

158 to biological samples that cannot be readily isotope labeled, including plants, mammalian tissues, an

159 thod, a pulse labeling approach using stable isotope-labeled amino acids in cells (pSILAC), phosphopr

160 antities of high quality, selectively stable isotope-labeled GPCR for studies by nuclear magnetic res

161 To overcome this challenge, we traced isotope-labeled nutrients into macromolecules that turn

162 e the digestion of target protein and employ isotope-labeled peptide internal standards to quantify c

163 By incorporating stable isotope-labeled standards, these workflows allow the det

164 pectrometry (NanoSIMS) actively incorporated isotope-labeled substrates.

165 using heavy water (D(2)O) with Raman-stable isotope labeling (Raman-D(2)O), we evaluated the reliabi

166 alysis of cardiomyocytes by combining stable isotope labeling and click chemistry with subsequent mas

167 ays, mutant analysis, metabolic engineering, isotope labeling and metabolic profiling to capture PFCs

168 Using a metabolomic and stable-isotope labeling approach, combined with transcriptional

169 rotrophic plant tissues, while nonstationary isotope labeling approaches are amenable to the study of

170 mbination was corroborated by intramolecular isotope labeling experiments and theoretical calculation

171 ovided structural insights and guided stable-isotope labeling experiments, which led to the assignmen

172 Pulsed Stable Isotope Labeling in Cell culture (SILAC) approaches allo

173 al dissociation (HCD)-based fingerprints and isotope labeling of RNA.

174 urally similar internal standards, different isotope labeling strategies, radiolabeling, and predicte

175 We report here that pulse-chase stable isotope labeling with amino acids in cell culture (SILAC

176 ovel TBK1/IKKepsilon substrates using stable isotope labeling with amino acids in cell culture phosph

177 asurements of metabolic function from stable isotope labeling within individual organelles in situ.

178 Using stable isotope labeling, we demonstrated that phosphocholine an

179 sion electron microscopies as well as stable isotope labeling.

180 reaction mechanism through kinetic studies, isotope-labeling experiments, (19)F NMR, electrochemical

181 With the goal of achieving controllable isotope-labeling in N-alkylated amines, we herein ration

182 Feeding males with stable-isotope-labelled glucose revealed that the males produce

183 The choice of appropriate stable isotope-labelled internal standard is crucial, given the

184 use of concatemer, an artificial and stable isotope-labelled protein composed of several concatenate

185 xation by U. meridionalis using (13)C stable isotope labelling and traced the (13)C flux through suga

186 combined Click chemistry with pulsed stable isotope labelling of amino acids in cell culture to quan

187 of preparation types, microbial lineages and isotope labels to determine its consistency and therefor

188 but is limited due to the use of radioactive isotopes like [57Co]- or [14C]-cyanocobalamin.

189 The two-dimensional (2D) isotope maps reveal U ratio variations in sub-microscale

190 ed attempts to quantify uncertainty in metal isotope mass balance approaches.

191 An isotope mass balance suggests that anthropogenic Fe cont

192 Here, high-resolution diatom-bound nitrogen isotope measurements from the Indian sector of the Antar

193 Here we present oxygen isotope measurements of mineral inclusions within diamon

194 We hypothesized stable isotope metabolomics would identify increased glucose, g

195 This observation was confirmed by the three-isotope mixing lines obtained between the geogenic and t

196 d end-members with the help of a reevaluated isotope mixing model allowed the accurate determination

197 Bayesian stable isotope mixing models fitted with a TDF(CAM) and uninfor

198 ction following the Stack process, the (14)C isotope of atmospheric carbon dioxide is fixed in the ca

199 ometry reagents are probes tagged with metal isotopes of defined mass and act as reporters.

200 We attribute the striking difference in Hf isotopes of Egyptian versus Levantine glasses to sorting

201 oclimate archives, demonstrating that stable isotopes of GHW in subaerial gypsum speleothems are a us

202 ethane, carbon-13 ((13)C) and deuterium (D) isotopes of methane, and several combustion tracers.

203 f RaF has been impeded by the lack of stable isotopes of radium.

204 The stable isotopes of sulfate, nitrate, and phosphate are frequent

205 arate the fragment ion patterns of all (13)C isotopes of the different histone peptide forms.

206 Isotopes of the trace element zinc (Zn) in bioapatite co

207 Here we apply clumped isotope paleothermometry to a traditionally qualitative

208 ompanied by significant spatial trends of Hg isotope (particularly Delta(199)Hg: 0.96-1.13 per mille)

209 Factors associated with iron isotope partitioning between the maternal, neonatal, and

210 ) the spectra are congested with overlapping isotope patterns of highly charged fragment ions.

211 riables of nutrient stoichiometry and stable isotopes per coral fragment, we found that nutrients fro

212 ation and trophic interactions from a stable isotope perspective on fossil mammals from the Argentine

213 teomic workflow that involves protein stable isotope probing (protein-SIP) and identification/quantif

214 ns over time, and are compatible with stable isotope probing using Raman.

215 complex communities using single-cell stable isotope probing, Raman-activated cell sorting and mini-m

216 Moreover, this isotope provides a theranostic pair with the therapeutic

217 We use this laser for laser-cooling, in-situ isotope purifcation, and probing barium atomic ions conf

218 no acid quantitation and amino-acid-specific isotope ratio analysis of scalp hair of American individ

219 try (NanoSIMS), which reveals a comparable U isotope ratio distribution at the same spatial scale.

220 ed compound determined by elemental analyzer-isotope ratio mass spectrometry (EA-IRMS).

221 A gas chromatography-combustion-isotope ratio mass spectrometry (GC-C-IRMS) based method

222 (15)N(Arg)) by gas chromatography-combustion-isotope ratio mass spectrometry (GC-C-IRMS), to further

223 before analysis using liquid chromatography-isotope ratio mass spectrometry (LC-IRMS).

224 spectrometry (GC-MS) and gas chromatography-isotope ratio mass spectromety (GC-IRMS) analyses on a s

225 S-SSB), and ORM-SSB were compared for the Se isotope ratio measurements.

226 he (13)C flux through sugar metabolites with isotope-ratio mass spectrometry (IR-MS), Fourier transfo

227 d as proxies for trophic position and carbon isotope ratios (delta(13)C) indicated foraging habitat.

228 Nitrogen isotope ratios (delta(15)N) were used as proxies for tro

229 Here we use a large data set of water stable isotope ratios (n = 1150) to show that newly formed rupt

230 ellent reproducibility, the variation of the isotope ratios along a single ablation line indicated is

231 We used soil organic carbon isotope ratios as a proxy for changes in woody vegetatio

232 This is the first time that (236)U/(238)U isotope ratios as low as 10(-10) were determined by ICP-

233 e possibility of measuring low (236)U/(238)U isotope ratios can offer a large variety of geochemical

234 ve found overlapping strontium and neodymium isotope ratios for Levantine and Egyptian glass.

235 eveloped and applied for analysis of C and N isotope ratios in amino acids derived from tomatoes.

236 seasonally and interannually depleted oxygen isotope ratios in precipitation have been linked to the

237 The observed precision of isotope ratios is limited by the number of ions counted.

238 Determination of uranium isotope ratios is of great expedience for assessing its

239 Magnesium isotope ratios measured at a concentration level of 7-10

240 compared, with the integration method, i.e., isotope ratios obtained by dividing the corresponding si

241 d polar bear feeding habits with bulk stable isotope ratios of carbon and nitrogen.

242 We measured Hg concentrations and stable isotope ratios of Hg, carbon, and nitrogen in the feathe

243 On the basis of relative isotope ratios of protonated molecules and measures of e

244 Stable Pb isotope ratios were measured and compared to U distribut

245 adult males and 20 adult females and stable isotope ratios were quantified every 5 mm along the leng

246 ble to accurately and reproducibly determine isotope ratios with FT-ICR-MS.

247 MA and N(area) ) and chi (from stable carbon isotope ratios) varied almost independently among specie

248 Of the bulk isotope ratios, delta(15)N was the most significant para

249 hange towards less radiogenic Nd, Hf, and Pb isotope ratios.

250 accurate determination of low (236)U/(238)U isotope ratios.

251 This carbon isotope record provides a unique opportunity to examine

252 of variability in the global stable S and Fe isotope record.

253 continuous composite of benthic foraminifer isotope records developed in our laboratories.

254 GABI from a different perspective as stable isotope records permit to characterize, from a (semi)qua

255 from speleothem oxygen and strontium stable isotope records.

256 Pyrite-delta(34)S and -delta(56)Fe isotopes represent highly sensitive diagnostic paleoenvi

257 use an interdisciplinary approach including isotope-resolved metabolomics to show that in Drosophila

258 lytical methodology to better understand the isotope-selective water-metabolism that will have enormo

259 ter (iqPIR) technology which utilizes stable isotopes selectively incorporated into the cross-linker

260 pole hyperfine structure constants and level isotope shifts of the [Formula: see text] and [Formula:

261 t is found with the ionization potential and isotope shifts, while disagreement of hyperfine structur

262 Mass cytometry (MC) measures metal isotope signals from single cells and bead samples.

263 66 were investigated for their Si, B, and Sr isotope signatures (delta(30)Si, delta(11)B, and (87)Sr/

264 ent samples to display distinct quantitative isotope signatures in tandem mass spectra.

265 We determined concentrations and stable isotope signatures of methane, carbon dioxide and nitrat

266 without disturbing the ambient-mantle stable-isotope signatures.

267 uality when the activity ratio is adapted to isotope-specific count rate sensitivities and when the s

268 The underlying mechanisms of the isotope-specific water-metabolism in the human gastroint

269 Yet, sea-level values during Marine Isotope Stage (MIS) 101 (~2.55 Ma) also signal substanti

270 -low latitudes at the transition from Marine Isotope Stage (MIS) 3 to 2.

271 human occupancy dating to ca. 400 ka (Marine Isotope Stage 11), is one of the very few Middle Pleisto

272 snapshot of coastal California during Marine Isotope Stage 3.

273 tudy interval covers both the coolest marine isotope stage of the mPWP, M2 (~3.3 Ma) and the transiti

274 Da) to encompass the target analyte and the isotope standard within a single fragmentation window en

275 This study utilized data from stable iron isotope studies carried out in 68 women during the third

276 ound noise level was increased for all multi-isotope studies.

277 th direct evidence provided by stable carbon isotope studies.

278 Here we show that a simple isotope substitution (H to D) leads to a reversal of sel

279 mportant when the drug substance contains an isotope such as deuterium, which has a natural abundance

280 Unfortunately, many promising alpha-emitting isotopes such as (225)Ac and (227)Th are incompatible wi

281 hytoplankton types and application of stable isotope techniques provide a first unambiguous evidence

282 ppresses the production of heavy proton-rich isotopes that are formed by the nup process(3-5) (where

283 ended through the array of available yttrium isotopes to enable roles for (90)Y complexes as radiopha

284 Our application of stable isotopes to label ejaculates resolves a longstanding deb

285 Isotope tracer experiments in humans and animals over se

286 rom a characteristic rearrangement of stable isotope tracers (e.g., 13C or 15N) that can be detected

287 labeled nutrients are convenient sources of isotope tracers and are commonly added as supplements to

288 Utilization of (13)C isotope tracers and dynamic metabolomics documented that

289 In vivo isotope tracing analysis in patient-derived xenografts r

290 tion of remodeling during infection by using isotope tracing in mosquito cells.

291 ainfall is provided by even-mass independent isotope values (Delta(200)Hg) in amphipods that average

292 Curiously, stable isotope values from the same birds reveal that their die

293 ution Orbitrap mass spectrometry with carbon isotope values generated by online pyrolysis (delta(13)C

294 Correcting THg concentrations for stable isotope values of carbon and sulfur and additionally bre

295 Stable isotope values of carbon and sulfur reflect dietary sour

296 s new biomonitoring tool, we investigated Cu isotope variations of two bivalves-the oyster Crassostre

297 ngly, mussels showed wider amplitudes in the isotope variations than oysters, suggesting that each sp

298 Marked mosquito pools with stable isotopes were used to estimate the mean distance travell

299 (55)Co is a promising isotope with high positron yield and a long half-life su

300 for the simultaneous acquisition of up to 3 isotopes with limitations for count rates exceeding 104