LipidQC: Method Validation Tool for Visual Comparison to SRM 1950 Using NIST Interlaboratory Comparison Exercise...

Area of Science:

• Analytical Chemistry
• Biochemistry
• Metabolomics

Background:

• Lipidomics is rapidly advancing, leading to the discovery of novel lipid species.
• Accurate lipid quantitation is crucial for validating lipidomics workflows.
• The field lacks standardized benchmark reference values for lipid measurements.

Purpose of the Study:

• To address the challenge of lipid quantitation harmonization in lipidomics.
• To provide a method for assessing the accuracy of lipidomics workflows.
• To enable visual comparison of experimental lipidomics data against consensus values.

Main Methods:

• Development of LipidQC, a semiautomated process for lipid quantitation.
• Utilizing National Institute of Standards and Technology (NIST) Standard Reference Material (SRM) 1950, "Metabolites in Frozen Human Plasma".
• Comparing experimental results against benchmark consensus mean concentrations from the NIST Lipidomics Interlaboratory Comparison Exercise.

Main Results:

• LipidQC provides a platform-independent method for lipid quantitation.
• The process facilitates visual comparison of experimental data against established reference values.
• Enables assessment of lipidomics workflow validity and accuracy.

Conclusions:

• LipidQC aids in harmonizing lipid quantitation across different analytical platforms.
• It supports the accurate measurement of diverse lipid species within the lipidome.
• Facilitates improved reliability and comparability of lipidomics data.