Results 71 to 80 of about 105,676 (166)

Stable Isotope Ratio Analysis for the Discrimination of the Geographic Origin of Rice (<i>Oryza sativa</i> L.). [PDF]

Foods
Thomatou AA, Mazarakioti EC, Zotos A, Kontogeorgos A, Patakas A, Ladavos A.   +5 more
europepmc   +1 more source

Triple oxygen stable isotope analysis of nitrite measured using continuous flow isotope ratio mass spectrometry. [PDF]

MethodsX, 2023
Walters WW, Hastings MG.
europepmc   +1 more source

Stable Carbon and Oxygen Isotope Analysis of Carbonates and DIC Using the Delta Ray Isotope Ratio Infrared Spectrometer (IRIS): Precise and Accurate Measurements Applying a 3-Point Calibration and Standard Bracketing. [PDF]

Rapid Commun Mass Spectrom
Hansen M, Brettschneider J, Vonhof H, Scholz D.   +3 more
europepmc   +1 more source

Verifying origin claims on dairy products using stable isotope ratio analysis and random forest classification. [PDF]

Food Chem X, 2023
O' Sullivan R, Cama-Moncunill R, Salter-Townshend M, Schmidt O, Monahan FJ.   +4 more
europepmc   +1 more source

Sulfur isotope ratio technique [PDF]

, 1974
Castleman, A. W., Jr., Munkelwitz, H. R.
openaire   +2 more sources

The carbon isotope ratio of alanine is a biomarker of added sugar and sugar-sweetened beverage intakes: a pooled analysis of 4 studies. [PDF]

Am J Clin Nutr
Johnson JJ, Ghosh S, Shaw PA, Neuhouser ML, Lampe JW, Tinker LF, Prentice RL, Tasevska N, Freedman LS, Boyer BB, Hopkins SE, Nash SH, Votruba SB, Krakoff J, O'Brien DM.   +14 more
europepmc   +1 more source

relative isotope-ratio difference

Citation: 'relative isotope-ratio difference' in the IUPAC Compendium of Chemical Terminology, 5th ed.; International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.12551 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual
openaire   +1 more source

Advances in steroid purification for novel techniques in carbon isotope ratio mass spectrometry of doping control. [PDF]

RSC Adv
Li Z, Cheng J, Zhao C, Chen Q, Liu B, Chen P.   +5 more
europepmc   +1 more source

Simultaneous Detection of ¹²CH₄, ¹³CH₄, and Related Isotope Ratio Exploiting a Frequency-Multiplexed Mid-Infrared Quartz-Enhanced Photoacoustic Sensor. [PDF]

ACS Sens
Olivieri M, Elefante A, Menduni G, Giglio M, Wu H, Dong L, Patimisco P, Spagnolo V, Sampaolo A.   +8 more
europepmc   +1 more source

Isolation of casein for stable isotope ratio analysis of butter, cheese, and milk powder. [PDF]

Rapid Commun Mass Spectrom, 2023
O'Sullivan R, Schmidt O, O'Sullivan M, Cama-Moncunill R, Monahan FJ.   +4 more
europepmc   +1 more source