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Sigma SP™* MWSP


Sigma SP™ from Medical Wire is a novel reagent in ready to use liquid format for the rapid liquefaction of sputum specimens in preparation for inoculation on automated platforms or by manual methods. The reagent has a more powerful mucolytic activity than dithiothreitol, but is also ready to use in a neutral pH solution that is stable at ambient temperature and requires no special storage conditions.

Recommended Application

For rapid processing of sputum specimens. To use simply add 1ml of sputum directly to the Sigma SP™ vial, recap, vortex and allow to stand for about 15 minutes before processing.

Sigma SP™ in ready to use format is particularly suited for use on automated platforms. The tubes and caps are completely compatible with most platforms currently in use.


  • Neutral pH
  • Powerful mucolytic


  • Ready to use
  • Ambient storage
  • Effective recovery of respiratory bacteria
  • Use directly with automated processing
  • Convenient for manual processing





Product option(s):

Code Name Colour Length Quantity Pack size No. in case Shelf life
MWSP™ Sigma SP™ Mucolytic Reagent for Sputum Light Blue 1 Mil 50 6 Months