4-Mercaptobenzoic acid as a MALDI matrix for highly sensitive analysis of metals.

doi:10.1039/d1an00022e

Paper

4-Mercaptobenzoic acid as a MALDI matrix for highly sensitive analysis of metals.

Published Feb 10, 2021 · Qianqian Sun, Shasha Zhang, Weini Huang

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Abstract

4-Mercaptobenzoic acid (MBA) is introduced as a matrix for laser desorption/ionization time-of-flight mass spectrometry (MS) analysis of metals, exhibiting matrix-interference-free background, greatly enhanced MS signal intensity, and excellent reproducibility. The developed method was successfully extended for the rapid screening and sensitive determination of ultratrace metals in fine particulate matter (PM2.5).

Study Snapshot

4-Mercaptobenzoic acid (MBA) is a highly sensitive MALDI matrix for ultratrace metal analysis, enabling rapid screening and sensitive determination of ultratrace metals in fine particulate matter (PM2.5).

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

4-Mercaptobenzoic acid as a MALDI matrix for highly sensitive analysis of metals.

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References

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Citations

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