Spirit blue or Opal blue SS is a dye with formula C37H30ClN3.[1] It is used as an indicator in agar for detection of lipase activity in bacteria.[2]
References
- ^ "Opal Blue SS". National Center for Biotechnology Information. Archived from the original on 21 December 2016. Retrieved 21 December 2016.
- ^ Starr, Mortimer P. (April 4, 1941). "Spirit Blue Agar: A Medium for the Detection of Lipolytic Microorganisms". Science. 93 (2414): 333–334. Bibcode:1941Sci....93..333S. doi:10.1126/science.93.2414.333. PMID 17748334 – via CrossRef.