• Advantages of this research technique include its ability to recognize multiple types of dietary inputs through the examination of stable carbon and stable nitrogen isotopes, and to investigate dietary composition and variation at an individual level. (siu.edu)
  • This study is the first of its kind to analyse carbon, nitrogen and sulphur stable isotope data from skeletons of the eleventh-seventeenth centuries in Portugal. (springer.com)
  • This fractionation enables the use of stable nitrogen isotopes (δ 15 N) to infer trophic level, and high δ 15 N recorded in bone collagen usually indicates high-protein diets (Sponheimer et al. (springer.com)
  • Stable isotopes of carbon (δ13C), sulfur (δ34S), oxygen (δ18O), hydrogen (δ2H), nitrogen (δ15N), and radioactive isotope of hydrogen (tritium) have been applied in combination with conventional techniques (chemical) to investigate Karachi coastal water pollution due to Layari and Malir rivers, which mainly carry the domestic and industrial wastewater of Karachi Metropolitan. (intechopen.com)
  • We measured stable nitrogen (N) and carbon (C) isotope ratios, lignin-derived phenols, and fossil pigments in sediments of known ages to elucidate the historical changes in the ecosystem status of Lake Biwa, Japan, over the last 100 years. (slu.se)
  • The facility also houses a GC-C isotope ratio mass spectrometer(Delta V) for exploring compound specific work. (uwyo.edu)
  • Stable isotope tracers (glucose, fatty acids and amino acids labelled with 2H, 13C and 15N-atoms) are ingested orally or infused directly into the blood stream. (maastrichtuniversity.nl)
  • Since 1990 she has been Chief of the Isotope Tracers Project, a National Research Program. (umd.edu)
  • Stable isotope tracers may enable reliable EGP monitoring. (bvsalud.org)
  • It is known that stable carbon isotope fractionation is associated with the fixation of CO in autotrophic organisms [2]. (lu.se)
  • Validation of the correlation between Niobrara and Codell production GOR and stable isotope composition was provided by an independent geochemistry dataset from the USGS. (onepetro.org)
  • The book I selected was Geochemistry of Non-traditional Stable Isotopes , a fascinating little volume that I imagine I'll read cover-to-cover before the year's end. (skepchick.org)
  • I started reading Geochemistry of Non-Traditional Stable Isotopes for my research paper on lithium isotopes, but I've found myself reading bits and pieces of the other sections of the book as well. (skepchick.org)
  • This little book on stable isotopes is opening my eyes to how recent developments mass spectrometry are revolutionizing isotope geochemistry. (skepchick.org)
  • He is particularly interested in helping to bridge the gap between process understanding from experimental data to model development and spatial representation of biogeochemical cycles. (eu.com)
  • He has been working on soil development and its consequences for biogeochemical cycles in a large variety of ecosystems, including large scale gradients and chronosequences, with his latest focusing being on tropical African landscapes. (eu.com)
  • Analysis of stable isotope ratios from mineralised tissue has been widely used for dietary reconstruction. (springer.com)
  • Studying ratios of both stable and radioactive isotopes can provide important constraints on these processes. (skepchick.org)
  • Basically, a mass spectrometer uses electric and magnetic fields to separate isotopes and measure their ratios and concentrations. (skepchick.org)
  • The rest of CAMD is devoted to the development of new methods to micromachine fundamentally new devices, including microvalves, miniature electrophoresis systems, and systems that can take advantage of the high-aspect ratios available using synchrotron radiation. (lsu.edu)
  • Stable N isotope ratios and algal pigments in the sediments increased rapidly from the early 1960s to the 1980s, and then remained relatively constant, indicating that eutrophication occurred in the early 1960s but ceased in the 1980s. (slu.se)
  • Stable C isotope ratios of the sediment increased from the 1960s, but decreased after the 1980s to the present. (slu.se)
  • This decrease in stable C isotope ratios after the 1980s could not be explained by annual changes in either terrestrial input or algal production. (slu.se)
  • However, when the C isotope ratios were corrected for the Suess effect, the shift to more negative isotopic value in atmospheric CO2 by fossil fuel burning, the isotopic value showed a trend, which is consistent with the other biomarkers and the monitoring data. (slu.se)
  • A laser based Liquid Water Isotope Analyser from Picarro is used for isotopic measurements of H and O of waters. (uwyo.edu)
  • Measurements of stable lead isotopes ( 5) in selected environmental samples and the patient's blood showed that the isotopic lead composition of the porch paint and window well dust in the her Manchester apartment matched the composition of lead in her blood more closely than did the isotopic composition of other samples, including those from her previous residence in Egypt. (cdc.gov)
  • Feeding animals has a significant impact on their cerebral development and, subsequently, on ecosystems and how humans use these. (donau-uni.ac.at)
  • Current interests include the development of soil ecosystems, the origin and evolution of plant organs and tissues, and the co-evolution of plants and fungi. (birmingham.ac.uk)
  • This lecture will illustrate how soil development can govern and control carbon input, turnover and stabilization in soils and how ecosystems adapt towards but also shape the properties of tropical soils. (eu.com)
  • The study of radioactive isotope systems, such as potassium-argon and uranium-thorium, can also be used in the dating of rocks and archaeological samples. (skepchick.org)
  • Stable isotope techniques (non-radioactive) generate accurate data that provide evidence for improving nutrition interventions and programmes. (who.int)
  • For assessing the folate content in a range of Brazilian PANCs, we extended the validation of an existing stable isotope dilution assay (SIDA) for the stably 13 C-labelled 10-formyl-Pte[ 13 C 5 ]Glu (10-CHO-Pte[ 13 C 5 ]Glu). (frontiersin.org)
  • SISCAPA is an extension of the well-known gold-standard methods of stable-isotope dilution for quantitation of small molecules by mass spectrometry (MS). Rather than measure an intact protein directly by mass spectrometry, SISCAPA makes use of proteolytic digestion (e.g., with the enzyme trypsin) to cleave sample proteins into smaller peptides ideally suited to quantitation by mass spectrometry. (wikipedia.org)
  • The SISCAPA workflow adds a specific enrichment step to the isotope dilution method in which a selected target peptide, together with its associated SIS internal standard, is captured by a sequence-specific anti-peptide antibody. (wikipedia.org)
  • An isotope-dilution tandem mass spectrometry method coupled to liquid chromatography (LC-MS/MS) was used to measure folate forms in serum. (cdc.gov)
  • The Competence Centre "Isotopes in Environmental and Biosciences" offers a broad spectrum of analytics, excellent instrumentation and expert knowledge for many applications of modern isotope techniques in today's environmental research. (peer.eu)
  • The Stable Isotope Research Centre (SIRC) was started in 1993 as a joint collaboration between the Maastricht University School of Nutrition and Translational Research in Metabolism (NUTRIM) and the Academic Hospital Maastricht (azM) . (maastrichtuniversity.nl)
  • He currently leads several Australian Research Council (ARC) and Bushfire and Natural Hazards Cooperative Research Centre (CRC) projects and is involved in international wildfire research projects, which consider various aspects of extreme and dynamic bushfire propagation, the development of large conflagrations and bushfire risk management. (humanitix.com)
  • Precipitation isoscapes drive isotopic patterns in surficial waters, however, less is known about the geological influence of recharge processes on stable isotopes in the subsurface. (gsi.ie)
  • Professor Sharples is the Director of the UNSW Bushfire Research Group which aims to improve understanding of the fundamental processes that drive extreme bushfire development and their relation to firefighter and community safety. (humanitix.com)
  • The stable isotope values of these horizons support soil-related processes ( δ 18 O between -8.55 ‰ and -6.55 ‰ PDB and δ 13 C between -5.95 ‰ and -1.03 ‰ PDB). (ac.be)
  • Stable isotopes of carbonate have long been used to reconstruct past climate and environmental conditions. (colorado.edu)
  • Quantitation was performed using a stable isotope-labeled internal standard. (cdc.gov)
  • The samples will be analyzed for nutrients, silica, stable isotopes and suspended sediments. (kyfb.com)
  • The dolomites of the Grande Dolomie de Namur which make up the lower part of the Vinalmont borehole are considered to be eogenetic, i.e. relating to reflux of saline to hypersaline water or due to seawater circulation adjacent to the development of a mixing zone. (ac.be)
  • Swedish International Development Cooperation Agency (SIDA). (open.ac.uk)
  • Stable carbon (δ¹³C) and hydrogen (δ²H) isotopes have been used to characterize hydrocarbons for exploration, development and production since the 1960s, and have re-emerged as predictive tools with the development of unconventional "tight" oil and gas plays. (onepetro.org)
  • Maturities derived from carbon and hydrogen isotopes can serve as controls in regional maturity maps, which are used to help define areas of oil, wet gas and dry gas production. (onepetro.org)
  • Stable carbon and hydrogen isotope values show a strong correlation to both initial and cumulative GOR for the unconventional Niobrara and Codell intervals of Wattenberg Field. (onepetro.org)
  • Among the numerous research methods capable of investigating various elements of paleodiets, the use of stable isotope analysis has become increasingly popular. (siu.edu)
  • Stable isotope analysis can be executed pre-completion on samples obtained from mud gas and/or gas desorbing from cuttings and core. (onepetro.org)
  • The analysis of climate variability and development of reconstructions based on tree-ring records in tropical forests have been increasing in recent decades. (cabi.org)
  • Researchers at CCT use the advanced cyberinfrastructure -high-speed networks, high-performance computing, advanced data storage and analysis and hardware and software development - available on campus to enable research in many different fields. (lsu.edu)
  • Studies were conducted to evaluate both the dominant bacteria degrading RDX in the aquifer and the extent to which RDX degradation can be quantified in situ using C and N stable isotope analysis. (serdp-estcp.org)
  • His research was directed at developing analytical methods for determining the concentrations of explosives related chemicals in the environment, and the development of sampling strategies that minimize the contribution of spatial heterogeneity in the uncertainty associated with site characterization. (serdp-estcp.org)
  • These dominantly non-luminescent columnar calcites with growth bands and microsparite intercalations of detrital origin display stable isotopic signatures supporting their meteoric origin ( δ 18 O- and δ 13 C-va l ues of -6.49 ‰ to -10.32 ‰ PDB and -2.47 ‰ to -4.79 ‰ PDB respectively). (ac.be)
  • We are engaged in development of novel analytical techniques for research in biological and earth system sciences. (uwyo.edu)
  • The aim of the SIRC is to provide analytical facilities and expertise that enables researchers of the two institutions to incorporate stable isotope techniques in nutritional, physiological and clinical studies. (maastrichtuniversity.nl)
  • The recent development of the clumped isotope paleothermometer has expanded the range of possible applications of these isotopic techniques to cover more environments and time periods. (colorado.edu)
  • Organized Libor Závorka, the workshop was held as part of the International Conference on the Applications of Stable Isotope Techniques to Ecological Studies. (donau-uni.ac.at)
  • Isotope-labeling is a useful technique for understanding cellular metabolism. (mdpi.com)
  • Recent advances in metabolomics have extended the capability of isotope-assisted studies to reveal global metabolism. (mdpi.com)
  • Project 1, Developmental Programming Associated with Maternal Diet and Obesity, research continues on Sub-objective 1A, which examines the impact of maternal high fat diet (HFD) and associated maternal obesity on offspring energy homeostasis, adipose tissue development, and metabolism. (usda.gov)
  • A deficiency of long-chain polyunsaturated fatty acids, such as omega-3 fatty acids, can strongly influence animal metabolism and thus also the development, biochemical composition and structure of animal brains, as well as behavior, learning ability and fitness. (donau-uni.ac.at)
  • Over the past 20 years her research and teaching have focused on the development and use of palaeobotanical methods (proxies) that use fossil plants to reconstruct the evolution of Earth's atmospheric composition and climate on multimillion year timescales. (birmingham.ac.uk)
  • The facility is equipped with one Finnigan Delta+XP and a 3 Delta V continuous flow inlet Stable Isotope Ratio Mass Spectrometers (IRMS). (uwyo.edu)
  • Richards and Hedges 1999 ), especially when combined with carbon isotope data. (springer.com)
  • The use of solid phase synthesis for NMR of RNA simplifies the interpretation of the NMR data as the number and positioning of the stable isotope labels can be freely be chosen. (uibk.ac.at)
  • These data can help predict fluid type, API gravity, and gas-oil ratio (GOR), all of which can help guide land acquisition and development decisions. (onepetro.org)
  • We present stable water isotope data from the accumulation zone of the Greenland ice sheet. (copernicus.org)
  • The data can be used to study the formation of the stable water isotopes signal, which is seen as a climate proxy. (copernicus.org)
  • The Stable Isotope Facility is located in the Berry Biodiversity Conservation Center, in a laboratory designed specifically for an isotope facility. (uwyo.edu)
  • An exciting new development is the selection of Louisiana as one of two sites for a national laboratory devoted to detecting gravitational waves. (lsu.edu)
  • His achievements include the development of standardized laboratory methods for the determination of nitroaromatic, nitramine, and organo-nitrate explosives in soil and water (USEPA SW846 Method 8330 and 8330B, ASTM, and the Association of Official Analytical Chemists), and onsite methods for RDX and TNT (USEPA SW846 Methods 8510 and 8515). (serdp-estcp.org)
  • Micronutrients, such as vitamins and minerals, are essential for human health and development, yet deficiencies in these nutrients are a widespread problem, particularly in low-and middle-income countries ( 2 ). (frontiersin.org)
  • The expression of different physiological and metabolic IFB-related disorders during post-harvest storage are investigated along with the pre-harvest factors contributing to development. (mdpi.com)
  • To accomplish this mission, the ACNC has the following objectives and as appropriate, others as mutually agreed upon: A. Determine how maternal/parental diet, exercise, and metabolic health associate with psychological/behavioral, neurologic and physiological function and development in children. (usda.gov)
  • B. Understand how postnatal diet, childhood physical activity, and nutrition associate with psychological/behavioral, neurologic and physiological function and development in children. (usda.gov)
  • Bioenergy for development : technical and environmental dimensions / by J. Woods and D. O. Hall. (who.int)
  • Additionally, the human samples have higher stable isotope differences, in comparison with faunal samples, than would be expected within the food web, particularly for δ 13 C. This human bone collagen δ 13 C enrichment may reflect a diet rich in aquatic protein intake, which is also supported by δ 34 S archived in human and faunal samples, and the presence of oysters and cockles shells at the excavation. (springer.com)
  • Supercharging SIP in the Fungal Hyphosphere Applying high-throughput stable isotope probing to the study of a particular fungi, researchers identified novel interactions between bacteria and the fungi. (doe.gov)
  • The study of late diagenetic features is helped by the development of bed-parallel compactional and steeply inclined tectonic stylolites. (ac.be)
  • This study aimed to review the nutrition situation for Iraq in relation to the Global Nutrition Targets and Sustainable Development Goals. (who.int)
  • This is a very promising study that would add another strong piece of scientific evidence that we are one step closer to getting blood-based biomarker test available for clinical trials and practice, particularly for the development of screening tools needed for the design of prevention clinical trial, in which case, the cost and burden of clinical trial screening by using amyloid PET are extremely high. (msdmanuals.com)
  • The UW Stable Isotope Facility is a world class core research lab at the University of Wyoming. (uwyo.edu)
  • In this research field we focus on the development of robust chemical tools that can be used in integrative structural biology approaches that target ribonucleoprotein (RNP) particles or RNA protein complexes with high molecular weight in general. (uibk.ac.at)
  • His research is oriented towards carbon and nutrient dynamics across geo-climatic gradients with a focus on the effects of anthropogenic disturbances on soil development. (eu.com)
  • However, developments and innovations in bushfire research are allowing us to better predict periods of high fire risk, as well as fire and ember spread, and in turn better protect our community. (humanitix.com)
  • Burning Innovations: The developments and future of bushfire research will showcase to government, industry and the ACT community, research by the UNSW Bushfire Research Group. (humanitix.com)
  • A particular role is played by BECC's Principal Investigators (PIs) who, as representatives and leaders within the research groups encompassed by BECC in Lund and Gothenburg, contribute to the development of BECC. (lu.se)
  • A BECC-PI demonstrates scientific leadership through pursuing an independent research program closely related to BECC's research strategy, and significantly contributes to the strategic development of BECC as a research environment. (lu.se)
  • For those of you who need a quick review, isotopes of an element are produced because of differences in the numbers of protons and neutrons in the nucleus. (skepchick.org)
  • Thus, isotopes of an element have slightly different masses that can lead to small, but important, differences in the behavoir of an element. (skepchick.org)
  • and, the use of biota isotopes as indicators of nutrient sources, land use and redox (reduction-oxidation) reactions. (umd.edu)
  • and Stable Isotopes such as O 18 Water, Zn-68, and several others. (a2zinc.net)
  • Here we present the water isotope record for the Holocene, in which high-resolution climate information is retained for the last 8 kyr. (copernicus.org)
  • We find that the RECAP water isotope record exhibits seasonal and decadal variability which may reflect sea surface conditions and regional climate variability. (copernicus.org)
  • The original marine stable oxygen signature has also been reset due to interaction with meteoric water (-9.45 ‰ and -9.70 ‰ PDB) but their δ 13 C (+0.27 ‰ to +1.07 ‰ PDB ) reflect a clear rock buffering with preservation of the original marine Lower Carboniferous signal. (ac.be)
  • Project Description: In recent years, the concept of 'isoscapes' has been used to describe spatiotemporal stable isotope distributions within natural environments including groundwater systems at multiple scales. (gsi.ie)
  • Application of the stable carbon isotope (carbon-13) tracer method can describe the organic matter dynamics in crop rotations, carbon changes, and the humus formation process in soils. (usda.gov)
  • isoSolutions provides a one-stop shopping service as well as technical support for nuclear medicine applications to customers all over the world including Radiochemicals, Radiopharmaceuticals, Stable isotopes, Sealed sources, Synthesizers, Shielding Equipment, Labeled compounds, and QC Instruments. (a2zinc.net)
  • The isotopes themselves aren't really that interesting, but their applications are. (skepchick.org)
  • The purpose of this project is to investigate and solve problems of national importance through the development of new methods and applications for CHNOS stable isotopes-and the best part, Carol gets to choose the problems. (umd.edu)
  • Stable isotope standards and capture by anti-peptide antibodies (SISCAPA) is a mass spectrometry method for measuring the amount of a protein in a biological sample. (wikipedia.org)
  • Since the target peptide and SIS are chemically indistinguishable throughout the workflow, but can be measured separately by a mass spectrometer due to the mass difference of the stable isotope label, their ratio provides the desired quantitative estimate of the target peptide amount. (wikipedia.org)
  • Mass spectrometry-based protein assays impart increased specificity and more rapid development times versus traditional methods, such as ELISA. (brighttalk.com)
  • This book is basically about all the new types of stable isotope systems (lithium, magnesium, zinc, selenium, et cetera) that are now able to be studied because of recent advances in mass spectrometry. (skepchick.org)
  • Using stable isotope incubations ( 15 N-ammonium and 13 C-bicarbonate) and combining transmission electron microscopy (TEM) with quantitative nanoscale secondary ion mass. (lu.se)
  • Although with obvious benefits, the method is still in the early stages of development. (usda.gov)
  • Dietary Factors and Physical Activity Effects on Health, Development and Function of Organ Systems (skeleton, gastrointestinal and hepatic tissues, immune system, cardiovascular, and muscle, e.g. (usda.gov)
  • Second, the annual inundation of the Nile River transports fresh layers of silt-rich fertile soil, which provides stable agriculture and supports cultivating various food crops and raising livestock. (researchgate.net)
  • As part of the EAG-GS Outreach Program , Dr. Doetterl will give two connected lectures on the role of biogeochemistry and soil development in complex tropical landscapes for carbon and nutrient cycling. (eu.com)
  • Scientists will be able to learn so much more about paleoclimate, volcanology, ocean circulation, biological cycles, et cetera from studying these isotopes. (skepchick.org)
  • Energy difference between recoils from 13C and 12C in the In this context, stable carbon isotopes play a certain role in the interpretation of biological activity, particularly when the fossil record is angular interval 150-180 degrees is about 85 keV. (lu.se)
  • It is a guideline or tool to support the development of more specific business plans that will need to be prepared on a case by case basis, taking into account the species to be reared and the location of the facility. (iaea.org)
  • Join us to learn about dynamic fire propagation, extreme fire development, severe fire weather events, fire behaviour modelling, ember spread, bushfire risk at the wildland-urban interface, climate change impacts on bushfires, and more. (humanitix.com)
  • LPA receptors and autotaxin (ATX), a secreted phosphodiesterase that produces this phospholipid, are overexpressed in many cancers and impact several features of the disease, including cancer-related inflammation, development, and progression. (hindawi.com)
  • Oct. 19, 2012) - The Kentucky Agricultural Development Board (KADB), chaired by Governor Steve Beshear, today approved $1,947,966 in 38 agricultural diversification projects across the Commonwealth during its October board meeting at Natural Bridge State Park. (kyfb.com)
  • These results demonstrate the potential of natural gas stable isotope signatures as a useful and reliable fluid quality prediction tool. (onepetro.org)
  • C. Characterize the interaction between the microbiome, host health and nutrition to modify physiology and promote health and development (skeleton, gastrointestinal and hepatic tissues, immune system, cardiovascular, and muscle, e.g. (usda.gov)