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PASEF应用于COVID-19的高通量定量大规模血浆蛋白质组学研究
2021/03/05 15:43
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However, the dynamic range of protein concentration in these samples poses a challenge for in-depth proteome quantification. PASEF® is a powerful technology for rapid in-depth and sensitive proteome quantification that is also applicable to biofluids like plasma and serum. We combined PASEF with high-throughput gradient settings for the analysis of hundreds of plasma and serum samples and quantified several hundred protein groups routinely in 21- and 47-minute runtimes.
The timsTOF Pro coupled with the Evosep One nanoflow UPLC delivers quantitation with median CV less than 20% and quantified more than 70 known biomarkers in a study investigating over 700 COVID-19 serum samples.
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Lipid profiling from complex lipid extracts can be a challenging and time consuming task. The high complexity of samples and co-elution of isobaric or isomeric compounds complicate the confident annotation of lipids. The presented 4D-Lipidomics workflow simplifies and streamlines the annotation and validation process using mobility-enhanced MS data.
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