Investigation of hyperkeratotic activity of polybrominated biphenyls in firemaster ff-1

L. L. Needham, R. H. Hill, D. L. Orti, D. G. Patterson, R. D. Kimbrough, D. F. Groce, J. A. Liddle

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

A polybromlnated biphenyl (PBB) mixture was fractionated by normal-phase preparative high-performance liquid chromatography. The hexane fractions were concentrated and applied to rabbit ears. Only the most polar fraction produced hyperkeratosis on the rabbit ears. This active fraction was subfractionated by using the same procedure. Again, the extent of hyperkeratotic activity increased with increasing polarity. The PBBs of the largest concentration levels in the active fraction were purified by preparative gas chromatography and tested on rabbit ears. The major compounds did not demonstrate hyperkeratotic activity.

Original languageEnglish (US)
Pages (from-to)877-887
Number of pages11
JournalJournal of Toxicology and Environmental Health
Volume9
Issue number5-6
DOIs
StatePublished - 1982

All Science Journal Classification (ASJC) codes

  • Toxicology
  • Pollution

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