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GlycCompSoft: Software for Automated Comparison of Low Molecular Weight Heparins Using Top-Down LC/MS Data

Author

Listed:
  • Xiaohua Wang
  • Xinyue Liu
  • Lingyun Li
  • Fuming Zhang
  • Min Hu
  • Fuji Ren
  • Lianli Chi
  • Robert J Linhardt

Abstract

Low molecular weight heparins are complex polycomponent drugs that have recently become amenable to top-down analysis using liquid chromatography-mass spectrometry. Even using open source deconvolution software, DeconTools, and automatic structural assignment software, GlycReSoft, the comparison of two or more low molecular weight heparins is extremely time-consuming, taking about a week for an expert analyst and provides no guarantee of accuracy. Efficient data processing tools are required to improve analysis. This study uses the programming language of Microsoft Excel™ Visual Basic for Applications to extend its standard functionality for macro functions and specific mathematical modules for mass spectrometric data processing. The program developed enables the comparison of top-down analytical glycomics data on two or more low molecular weight heparins. The current study describes a new program, GlycCompSoft, which has a low error rate with good time efficiency in the automatic processing of large data sets. The experimental results based on three lots of Lovenox®, Clexane® and three generic enoxaparin samples show that the run time of GlycCompSoft decreases from 11 to 2 seconds when the data processed decreases from 18000 to 1500 rows.

Suggested Citation

  • Xiaohua Wang & Xinyue Liu & Lingyun Li & Fuming Zhang & Min Hu & Fuji Ren & Lianli Chi & Robert J Linhardt, 2016. "GlycCompSoft: Software for Automated Comparison of Low Molecular Weight Heparins Using Top-Down LC/MS Data," PLOS ONE, Public Library of Science, vol. 11(12), pages 1-13, December.
    • Handle: RePEc:plo:pone00:0167727
    DOI: 10.1371/journal.pone.0167727
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