Results 51 to 60 of about 2,948 (95)

Advancing Stable Isotope Analysis for Alcoholic Beverages’ Authenticity: Novel Approaches in Fraud Detection and Traceability

Foods
Background: Alcoholic beverages have been popular for thousands of years due to their unique flavors and cultural significance. However, the industry’s high profit margins have led to increasingly sophisticated counterfeiting practices.
Yiqian Ma, Yalan Li, Feilong Shao, Yuanyu Lu, Wangni Meng, Karyne M. Rogers, Di Sun, Hao Wu, Xiaodong Peng   +8 more
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A Method for Combining a Stable Isotope Mass Spectrometer with an Isotopic Spectroscope to Analyze the 17O/16O

Yankuang ceshi, 2013
Since the discovery of mass-independent isotope effects, the study of triple oxygen isotope abundance has become a focus and frontier. In traditional oxygen isotopic ratio analysis methods, multiform oxygen is converted to CO2 and the oxygen isotopic ...
LI Li-wu, WANG Guang, LI Zhong-ping, DU Li, CAO Chun-hui   +4 more
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Trophic Ecology of the Pyjama Shark Poroderma africanum (Gmelin, 1789) Elucidated by Stable Isotopes

Animals
Sharks may occupy both intermediate and upper levels of marine food webs. They are overfished worldwide and constitute one of the largest portions of the bycatch.
Luca Caracausi, Zaira Da Ros, Alice Premici, Enrico Gennari, Emanuela Fanelli   +4 more
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Emu (Dromaius novaehollandiae) diet is driven by the gradient of C3 and C4 plant availability

Ecosphere
Intraspecific variation in diet is often influenced by geographic location, resource availability, trophic position, or foraging specialization and can result in environmental changes exerting heterogeneous effects across the species' distribution ...
Julia Ryeland, Kate J. Brandis
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Editorial: Stable isotope analysis of archaeobotanical remains

Frontiers in Environmental Archaeology
Amy Styring, Rosie R. Bishop, Darren R. Gröcke, Paul Szpak   +3 more
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Stable Isotope Analysis

2013
Abstract Reports on analytical methods for determining the geographical origin of agricultural products have been increasing since the 1980s [49] . The development of new techniques is highly desirable for consumers, agricultural farmers, retailers and administrative authorities.
Carla Rodrigues, Rodrigo Maia, Marco Lauteri, Enrico Brugnoli, Cristina Máguas   +4 more
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“Stable Isotope Mixing”, a Proposal to Analyze Stable Isotopes Using a Technique Similar to the Isotope Dilution Analysis

Isotopenpraxis Isotopes in Environmental and Health Studies, 1980
A proposal (shortly expressed as stable isotope mixing) similar to the stable isotope dilution analysis is described. It deals with the determination of the stable isotope relative abundances.
K. Forjo, G. Haase
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Benefits of stable isotope labeling in RNA analysis

Biological Chemistry, 2019
AbstractRNAs are key players in life as they connect the genetic code (DNA) with all cellular processes dominated by proteins. They contain a variety of chemical modifications and many RNAs fold into complex structures. Here, we review recent progress in the analysis of RNA modification and structure on the basis of stable isotope labeling techniques ...
Asadi-Atoi, Paria, Barraud, Pierre, Tisné, Carine, Kellner, Stefanie   +3 more
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Stable isotope dilution assays in mycotoxin analysis

Analytical and Bioanalytical Chemistry, 2007
The principle and applications of stable isotope dilution assays (SIDAs) in mycotoxin analysis are critically reviewed. The general section includes historical aspects of SIDAs, the prerequisites and limitations of the use of stable isotopically labelled internal standards, and possible calibration procedures.
Michael, Rychlik, Stefan, Asam
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Stable Isotope Analysis of the Bioelements: An Introduction

Bioanalysis, 2009
The abundances of the stable isotopes of the bioelements are not constant. Subtle, but significant, variations may be induced by physical, physiological and biochemical processes. These variations may be detected and quantified. Often, isotope fingerprints are characteristic of certain processes and may reveal information concerning the sources and ...
openaire   +2 more sources