ArticleAnalytical chemistry2025
Molecular Average and Intramolecular δ
Article in Analytical chemistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We developed a novel method using gas chromatography - Orbitrap mass spectrometry (GC Orbitrap MS) to measure the intramolecular carbon isotope value of pyruvic acid and acetic acid with high mass accuracy and mass resolution with nanomole (10-100) injections of analyte. Previous efforts to analyze intramolecular isotope patterns of small organic acids have been limited by labor-intensive chemical degradation steps, a narrow potential analyte pool, or large sample mass requirements. We present a new way to trap an analyte peak, which is then tested by measuring the molecular average and intramolecular carbon isotope values of pyruvic acid and acetic acid standards. Molecular average (MA) δ
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.