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News|Articles|January 30, 2026
Achieving Detection of Tailless mRNA with Capillary Electrophoresis
Author(s)SCIEX
Capillary gel electrophoresis (CGE) is a high-resolution, label-free technique for the quality control of mRNA-based therapies. Because the poly(A) tail plays a critical role in mRNA stability and translation efficiency, accurately detecting and quantifying tailless species is essential to ensuring therapeutic efficacy and patient safety. This article explores how to optimize the SCIEX BioPhase™ 8800 system and RNA 9000 Purity & Integrity Kit to achieve the resolution required for today’s advanced mRNA medicines. Key method parameters, including electric field strength, capillary temperature, and sample concentration, are examined to support reliable separation and impurity detection.
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