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Research article

First published 2004-10

Determination of Phenylalanine Isotope Ratio Enrichment by Liquid Chromatography/Time-of-Flight Mass Spectrometry

Zhanpin Wu, Xiao-Jun Zhang, Robert B. Cody [...]

European Journal of Mass Spectrometry

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Research article

First published 2002-4

Determination of Isotope-Enrichment Ratios in Proteins by High-Resolution Fourier Transform Ion Cyclotron Resonance Mass Spectrometry

Plamen A. Demirev, Catherine Fenselau

European Journal of Mass Spectrometry

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Research article

First published 2001-4

Stable Isotopes of Minerals as Metabolic Tracers in Human Nutrition Research

Kristine Y. Patterson, Claude Veillon

Experimental Biology and Medicine

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Research article

First published 1990-12

Determination of Ni by ICP-MS: Correction of Calcium Oxide and Hydroxide Interferences Using Principal Components Analysis

Margaret-Anne Vaughan, Douglas M. Templeton

Applied Spectroscopy

Free access

Research article

First published 2002

Use of Fourier Transformed Infrared Spectrophotometer (FTIR) for Determination of Breastmilk Output by the Deuterium Dilution Method among Senegalese Women

Aïta Sarr Cissé, Leslie Bluck, Babou Diaham [...]

Food and Nutrition Bulletin

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Research article

First published 1976-1

Trace Element Determinations in a Low-Alloy Steel Standard Reference Material by Isotope Dilution,Spark Source Mass Spectrometry

Paul J. Paulsen, Robert Alvarez, Charles W. Mueller

Applied Spectroscopy

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Research article

First published 2010-12

Intra-Individual Variability of CO 2 Breath Isotope Enrichment Compared to Blood Glucose in the Oral Glucose Tolerance Test

Pooja Singal, Morteza Janghorbani, Sally A. Schuette [...]

Diabetes Technology & Therapeutics

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Research article

First published 2023-8

Characterization and Optimization of a Spectral Window for Direct Gaseous Uranium Hexafluoride Enrichment Assay Using Laser-Induced Breakdown Spectroscopy

George C. Y. Chan, Leigh R. Martin, Richard E. Russo

Applied Spectroscopy

Open access

Research article

First published 2025-9

Genesis,source,and enrichment factors of helium in Qingyang gas field,Ordos Basin

Yue Chen, Shizhen Tao, Jianrong Gao [...]

Energy Exploration & Exploitation

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Research article

First published 2023-10

Interpreting δ 13 C Values Obtained on SOM from Ancient Maya Reservoirs and Depressions

Kenneth Barnett Tankersley, Nicholas P. Dunning, David L. Lentz [...]

North American Archaeologist

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