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Stable isotope

Carbon and nitrogen metabolism in mycorrhizal networks and mycoheterotrophic plants of tropical forests : a stable isotope analysis

Carbon and nitrogen metabolism in mycorrhizal networks and mycoheterotrophic plants of tropical forests : a stable isotope analysis

... Third, stable isotope abundances were used as a major indicator to indirectly support the role of ectomycorrhizal fungi as a food source (Gebauer and Meyer, ...

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Trophic plasticity of scleractinian corals under contrasted environmental conditions: evidence from stable isotope analysis

Trophic plasticity of scleractinian corals under contrasted environmental conditions: evidence from stable isotope analysis

... from stable isotope analysis STURARO Nicolas 1,2 , HSIEH Chien Hsun Eric 1 , LIU Ling-Wen 1 , WANG Pei-Ling 1 , DENIS Vianney 1 (1) Institute of Oceanography, National Taiwan University (2) Laboratory of ...

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Use of stable isotope ratios to delineate coastal benthic food web structure in Adélie Land (East Antarctica)

Use of stable isotope ratios to delineate coastal benthic food web structure in Adélie Land (East Antarctica)

... physiological features of studied organisms. Use of stable isotope ratios to delineate coastal benthic food web structure in Adélie Land (East Antarctica) Loïc N. MICHEL 1,* , Philippe DUBOIS 2 , Marc ...

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Isotopic fractionation of zirconium during magmatic differentiation and the stable isotope composition of the silicate Earth

Isotopic fractionation of zirconium during magmatic differentiation and the stable isotope composition of the silicate Earth

... equilibrium stable isotope fraction- ation is largely controlled by the bonding environment of a given element, with the magnitude of the resulting isotopic fractionation being roughly proportional to the ...

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Assessment of gestation, lactation and fasting on stable isotope ratios in northern elephant seals (Mirounga angustirostris)

Assessment of gestation, lactation and fasting on stable isotope ratios in northern elephant seals (Mirounga angustirostris)

... 2002). Stable isotope methodology, however, is dependent on physiological and biochemical assumptions that are not sufficiently taken into consideration (Cherel et ...

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Diet of harbor porpoises along the Dutch coast: a combined stable isotope and stomach contents approach

Diet of harbor porpoises along the Dutch coast: a combined stable isotope and stomach contents approach

... Trophic enrichment factors—TEFs are thought to be, i.a., species-, tissue- and diet-spe- cific (DeNiro and Epstein 1981, Vanderklift and Ponsard 2003). It is common practice to use TEFs of other species or tissues when ...

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Perfluorinated chemicals infiltrate ocean waters: Link between exposure levels and stable isotope ratios in marine mammals

Perfluorinated chemicals infiltrate ocean waters: Link between exposure levels and stable isotope ratios in marine mammals

... interactions, stable nitrogen and carbon isotope measurements have recently been used in order to quantify trophic status and dietary overlap of marine organisms (5, ...Nitrogen isotope ratios ( 15 ...

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Trophic plasticity of scleractinian corals under contrasted environmental conditions: evidence from stable isotope analysis

Trophic plasticity of scleractinian corals under contrasted environmental conditions: evidence from stable isotope analysis

... the stable isotope ratios of carbon and nitrogen in the coral host tissues and algal symbionts and compared these in corals inhabiting areas around Taiwan characterised by contrasted temperature (from high ...

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Assessment of trophic relationships between symbiotic tropical ophiuroids using C and N stable isotope analysis

Assessment of trophic relationships between symbiotic tropical ophiuroids using C and N stable isotope analysis

... hand, stable isotope methods are increasingly used as tracers to study food web structure ...2003). Stable isotopes of nitrogen and carbon of an animal tissue integrate dietary components that are ...

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Trophodynamics of estuarine intertidal harpacticoid copepods based on stable isotope composition and fatty acid profiles

Trophodynamics of estuarine intertidal harpacticoid copepods based on stable isotope composition and fatty acid profiles

... natural stable isotope ratios of carbon and nitrogen and of fatty acid (FA) profiles, we examined the variability of in situ resource utilization of a range of harpacticoid copepod species from 5 stations ...

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Trophic interactions between two neustonic organisms: insights from Bayesian stable isotope data analysis tools

Trophic interactions between two neustonic organisms: insights from Bayesian stable isotope data analysis tools

... Using stable isotope ratios of carbon and nitrogen, we aimed to study the trophic relationship between ...a stable isotope mixing model revealed preferential feeding on medium to large (> ...

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Trophic ecology of marine birds and pelagic fishes from Reunion Island as determined by stable isotope analysis

Trophic ecology of marine birds and pelagic fishes from Reunion Island as determined by stable isotope analysis

... of stable isotope signatures between tissues was tested by t-tests or Wilcoxon tests for paired samples using Do the-value ...on isotope values were investigated for each species by means of ...

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A stable isotope approach to the eastern Weddell Sea trophic web: focus on benthic amphipods

A stable isotope approach to the eastern Weddell Sea trophic web: focus on benthic amphipods

... lighter isotope to be preferentially lost and the heavier one to be ...the stable isotope composition of a consumer is indicative of, and heavier than, that of its ...carbon isotope values, ...

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Use of C, N and S stable isotope ratios to highlight resource segregation among hermit crabs from tropical seagrass meadows

Use of C, N and S stable isotope ratios to highlight resource segregation among hermit crabs from tropical seagrass meadows

... of stable isotope ratios of C, N and S of their abdominal muscle using CF-EA-IRMS (Vario MicroCube EA coupled to Isoprime 100 MS) § Exploration of data using statistical hypothesis testing and isotopic ...

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Effects of preservation methodology on stable isotope compositions of sea stars

Effects of preservation methodology on stable isotope compositions of sea stars

... by ethanol preservation. Furthermore, long ‐term preservation in ethanol appeared to induce a decrease in δ 34 S values. However, using a correction factor for δ 34 S values in sea star samples stored in ethanol is not ...

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DeepIso - a global open database of stable isotope ratios and elemental contents for deep-sea ecosystems.

DeepIso - a global open database of stable isotope ratios and elemental contents for deep-sea ecosystems.

... See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/344807436 Towards a global, freely available database of stable isotope ratios in foundation ...

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The challenge of studying TiO2 nanoparticle bioaccumulation at environmental concentrations: Crucial use of a stable isotope tracer

The challenge of studying TiO2 nanoparticle bioaccumulation at environmental concentrations: Crucial use of a stable isotope tracer

... the stable isotope- labeling approach to study the accumulation of newly ingested TiO 2 NPs in mussels exposed to environmentally realistic low concentrations (less than 10 μg/L, ...the stable ...

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Changes in stable isotope compositions during fasting in phocid seals

Changes in stable isotope compositions during fasting in phocid seals

... The δ 15 N and δ 13 C values observed in the lanugo of NES (15.9 ± 0.9 ‰ and −18.3 ± 0.3‰, respectively) were similar to those reported previously in the lanugo of NES suckling pups from Año Nuevo, 3 with values of 15.6 ...

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Potential early indicators of anthropogenically derived nutrients : a multiscale stable isotope analysis

Potential early indicators of anthropogenically derived nutrients : a multiscale stable isotope analysis

... compound-specific stable isotope analyses will likely refine our knowledge of the taxonomic composition and metabolism of biofilms by targeting the isotopic composition of specific fractions (autotrophs, ...

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Stable Isotope Labeling Highlights Enhanced Fatty Acid and Lipid Metabolism in Human Acute Myeloid Leukemia

Stable Isotope Labeling Highlights Enhanced Fatty Acid and Lipid Metabolism in Human Acute Myeloid Leukemia

... Figure 5. Fatty Acid Synthase (FAS) is linked to 2-HG production in IDH1 mutant cells. Lysates of IDH1 R132H AML cells in basal and following AGI treatments were immunoblotted with the indicated antibodies. Proteomic ...

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