C-13 Stable Isotope
Study the Changes in Soil Organic Carbon of Rice Maize Cropping System in the Top Layer of Alluvisol Soil in Dan Phuong: A Study of C 13 Stable Isotope Composition (δ13C)
... ue in parts of rice and maize (root, stem and leaf) were also analyzed to assess the contribution of plant residues on soil organic carbon content after harv- est. The experiment was carried out in 2016-2017 on the field ...
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Bridging the gap between non-targeted stable isotope labeling and metabolic flux analysis
... text). c NAA 2TMS can be used as a proxy to determine acetyl-CoA labeling under isotopic steady state ...[U- 13 C]glutamine (blue) or [1,2- 13 ...
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A new instrument for stable isotope measurements of 13 C and 18 O in CO 2– instrument performance and ecological application of the Delta Ray IRIS analyzer
... We define the utilization rate as the number of successfully recorded measurement cycles divided by the number of mea- surement cycles that were theoretically possible during the field campaign (approximately 4200). This ...
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APPLICATION OF STABLE ISOTOPE SIGNATURES IN FOOD TRACEABILITY
... Samples of rice were collected from MADA area including Kedah and Perlis (n = 50) and Selangor (n = 20). All samples were dried and ground to fine powder prior analysis. 27 samples of rice from China were obtained ...
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Stable isotope labelling of Ceratitis capitata
... ies with Aedes aegypti L. and the malaria mosquito Anopheles arabiensis (Dame et al. 1964; Helinski et al. 2007). Munro et al. (2008) used enriched stable isotopes for marking juvenile golden perch (Macquaria ...
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Stable Isotope Studies of Fuel Oxygenate Biodegradation.
... have previously been shown to metabolize TBA. The best-characterized aerobic MTBE- and TBA-utilizing organism is M. petroleiphilum PM1. This organism was originally isolated from a peat moss biofilter in California and ...
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Unravelling collembolan life belowground: Stoichiometry, metabolism and release of carbon and nitrogen
... the isotope addition ...estimate isotope discrimination by collembolans in studies where their diet is composed of multiple sources, and as a supplement to compound specific ...add stable isotopes ...
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Intrinsic and extrinsic forcing in life histories: patterns of growth and stable isotopes in male Antarctic fur seal teeth
... for isotope analysis from individual growth layers using an electric drill with a 900 µm diamond-tipped dental burr (FG801LS-009 Medium ...δ 13 C and δ 15 N, and carbon and ...
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My Stable Isotope Journey in Biogeochemistry, Geoecology, and Astrobiology
... bulk isotope values, then hydrolysed the sample to produce hydro- chloride salts of amino ...about 13-15 samples, each containing the hydrochloride salts of a single amino ...δ 13 C in a week, ...
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C H O Stable Isotope, Elements and Fluid Geochemistry of Uraniferous Leucogranites in Gaudeanmus Area, Southern Central Zone, Damara Orogen, Namibia
... review C-H-O stable isotope, elements and fluid geochemistry of uraniferous leucogranites in Gaudeanmus, ...and C, H, O stable isotope is −23‰ - ...and C, H, O sta- ble ...
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Bayesian stable isotope mixing models
... Figure 7: Isospace plot of the swallows data. The source spline model has been run to obtain estimates of the source means and covariances throughout the study period. Arrows indicate the direction of movement over time ...
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A new CF-IRMS system for quantifying stable isotopes of carbon monoxide from ice cores and small air samples
... with stable isotope ( 13 C and 18 O) data than with CO mix- ing ratios alone (Bergamaschi et ...The stable isotopes from air bubbles trapped in ice cores provide information on CO ...
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Latitudinal trends in stable isotope signatures and carbon concentrating mechanisms of northeast Atlantic rhodoliths
... natural stable isotope signatures. The δ 13 C sig- nature of macroalgae can be used to provide an indication of the preferred inorganic carbon source (CO 2 ...
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Stable isotope evidence for the saprotropic status of the truffle Schenella pityophilus
... Germany). Stable isotope ratios and percent N and C were determined on the IsoPrime100 stable isotope ratio mass spectrometer (Isoprime ...University. Stable isotope ...
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Constraints on ocean circulation at the Paleocene–Eocene Thermal Maximum from neodymium isotopes
... negative stable carbon isotope (δ 13 C) excursion (CIE) (Kennett and Stott, 1991; Koch et ...δ 13 C data (Nunes and Norris, 2006; Tripati and Elderfield, 2005), widespread ...
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Analytical system for stable carbon isotope measurements of low molecular weight (C 2-C6 ) hydrocarbons
... Figure 5 shows time series of δ 13 C (‰) and system sensi- tivity to illustrate the long term stability of the system in the current configuration (since May 2009). The sensitivity was typically in the ...
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Sources, fluxes, and behaviors of fluorescent dissolved organic matter (FDOM) in the Nakdong River Estuary, Korea
... the stable carbon isotope of DOC (δ 13 C-DOC), and fluorescent dissolved organic matter (FDOM) in water samples from a fixed station in the Nakdong River Estuary, ...δ 13 C-DOC ...
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New Identity of the Kimberlite Melt: Constraints from Unaltered Diamondiferous Udachnaya East Pipe Kimberlite, Siberia, Russia
... phlogopite in association with high-Ca pyroxene inclusion. ................................167 Table 6.3 Representative analyses of olivine inclusions and their host olivine............170 Table 6.4 Representative ...
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STABLE ISOTOPES REVEAL A DISCONNECT BETWEEN BIOTIC AND ABIOTIC HYDROLOGICAL PROCESSES IN A SEASONALLY-DRY, SEMI-ARID WATERSHED
... hypothesis.” This ecohydrological behavior has important implications for understanding a wide range of catchment processes, including the spatial and temporal variability of evapotranspiration and nutrient cycling, and ...
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Continuous, near real time observations of water stable isotope ratios during rainfall and throughfall events
... for isotope stud- ies in catchment hydrology, where recharge areas are often forested, while reference meteorological stations are gener- ally in the ...obtaining isotope readings every 2 ...the ...
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