Carbon isotope ratio analysis of endogenous glucocorticoid urinary metabolites after cortisone acetate and adrenosterone administration for doping control

2012 ◽  
Vol 4 (12) ◽  
pp. 951-961 ◽  
Author(s):  
Lance Brooker ◽  
Adam Cawley ◽  
Ray Kazlauskas ◽  
Catrin Goebel ◽  
Adrian George
Keyword(s):  
Carbon Isotope ◽  
Isotope Ratio ◽  
Carbon Isotope Ratio ◽  
Urinary Metabolites ◽  
Doping Control ◽  
Cortisone Acetate ◽  
Ratio Analysis ◽  
Isotope Ratio Analysis

Hydropyrolysis of steroids: a preparative step for compound-specific carbon isotope ratio analysis

2005 ◽  
Vol 19 (22) ◽  
pp. 3339-3342 ◽  
Author(s):  
Mark A. Sephton ◽  
Will Meredith ◽  
Cheng-Gong Sun ◽  
Colin E. Snape
Keyword(s):  
Carbon Isotope ◽  
Isotope Ratio ◽  
Carbon Isotope Ratio ◽  
Ratio Analysis ◽  
Isotope Ratio Analysis ◽  
Compound Specific Carbon Isotope

Biometrics from the carbon isotope ratio analysis of amino acids in human hair

2015 ◽  
Vol 55 (1) ◽  
pp. 43-50 ◽  
Author(s):  
Glen P. Jackson ◽  
Yan An ◽  
Kateryna I. Konstantynova ◽  
Ayat H.B. Rashaid
Keyword(s):  
Amino Acids ◽  
Carbon Isotope ◽  
Human Hair ◽  
Isotope Ratio ◽  
Carbon Isotope Ratio ◽  
Ratio Analysis ◽  
Isotope Ratio Analysis

Carbon Isotope Ratio Analysis of Steroids by High-Temperature Liquid Chromatography-Isotope Ratio Mass Spectrometry

2014 ◽  
Vol 86 (5) ◽  
pp. 2297-2302 ◽  
Author(s):  
Lijun Zhang ◽  
Mario Thevis ◽  
Thomas Piper ◽  
Maik A. Jochmann ◽  
J. Benjamin Wolbert ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Liquid Chromatography ◽  
High Temperature ◽  
Carbon Isotope ◽  
Isotope Ratio ◽  
Carbon Isotope Ratio ◽  
Isotope Ratio Mass Spectrometry ◽  
Ratio Analysis ◽  
Isotope Ratio Analysis ◽  
Temperature Liquid

Brazilian honey samples evaluated by physical-chemical and carbon isotope ratio analysis

2008 ◽  
Vol 47 (1) ◽  
pp. 87-88
Author(s):  
Gilberto J Padovan ◽  
Luciana P Rodrigues ◽  
David De Jong ◽  
Rosa M D Fávaro ◽  
Cristina E Ykosawa ◽  
...  
Keyword(s):  
Carbon Isotope ◽  
Isotope Ratio ◽  
Carbon Isotope Ratio ◽  
Ratio Analysis ◽  
Physical Chemical ◽  
Isotope Ratio Analysis

scholarly journals Natural abundance carbon isotope ratio analysis and its application in the study of diet and metabolism

2020 ◽  
Author(s):  
R J Scott Lacombe ◽  
Richard P Bazinet
Keyword(s):  
Carbon Isotope ◽  
Isotope Ratio ◽  
Animal Studies ◽  
Large Scale ◽  
Carbon Assimilation ◽  
Carbon Isotope Ratio ◽  
Natural Abundance ◽  
Ratio Analysis ◽  
Animal Products ◽  
Isotope Ratio Analysis

Abstract Due to differences in carbon assimilation pathways between plants, there are subtle but distinct variations in the carbon isotope ratios of foods and animal products throughout the food supply. Although it is well understood that the carbon isotope ratio composition of the diet influences that of the consumers’ tissues, the application of natural abundance carbon isotope ratio analysis in nutrition has long been underappreciated. Over the past decade, however, several studies have investigated the utility of carbon isotope ratio analysis for evaluation of nutritional biomarker status, primarily focusing on its application as an objective indicator of sugar and animal protein intake. More recently, research investigating the application of natural abundance measurements has been extended to study fatty acid metabolism and has yielded encouraging results. Collectively, data from large-scale observational studies and experimental animal studies highlight the potential for carbon isotope ratio analysis as an additional and effective tool to study diet and metabolism. The purpose of this review is to provide an overview of natural abundance carbon isotope ratio analysis, its application to studying nutrition, and an update of the research in the field.

scholarly journals Carbon isotope ratio analysis in CO2 based on Fourier transform infrared spectroscopy

2013 ◽  
Vol 62 (3) ◽  
pp. 030202
Author(s):  
Li Xiang-Xian ◽  
Gao Min-Guang ◽  
Xu Liang ◽  
Tong Jing-Jing ◽  
Wei Xiu-Li ◽  
...  
Keyword(s):  
Fourier Transform ◽  
Infrared Spectroscopy ◽  
Fourier Transform Infrared Spectroscopy ◽  
Carbon Isotope ◽  
Isotope Ratio ◽  
Carbon Isotope Ratio ◽  
Fourier Transform Infrared ◽  
Ratio Analysis ◽  
Isotope Ratio Analysis

Design and modeling of a photoacoustic gas analyzer with a thermal source for carbon isotope ratio analysis

2015 ◽  
Vol 28 (5) ◽  
pp. 481-486 ◽  
Author(s):  
K. Yu. Osipov ◽  
V. A. Kapitanov ◽  
Yu. N. Ponomarev ◽  
A. I. Karapuzikov
Keyword(s):  
Carbon Isotope ◽  
Isotope Ratio ◽  
Carbon Isotope Ratio ◽  
Thermal Source ◽  
Ratio Analysis ◽  
Gas Analyzer ◽  
Isotope Ratio Analysis
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