A comparative study to evaluate surface microbial contamination associated with copper-containing and stainless steel pens used by nurses in the critical care unit

Anna L. Casey, Tarja J. Karpanen, Debra Adams, Peter A. Lambert, Peter Nightingale, Lisa Miruszenko, Tom S.J. Elliott

Research output: Contribution to journalArticle


A clinical study was undertaken to compare the surface microbial contamination associated with pens constructed of either a copper alloy or stainless steel used by nurses on intensive care units. A significantly lower level of microbial contamination was found on the copper alloy pens.

Original languageEnglish
Pages (from-to)e52-e54
Number of pages3
JournalAmerican Journal of Infection Control
Issue number8
Early online date12 Jun 2011
Publication statusPublished - Oct 2011



  • copper
  • microbial contamination
  • writing pens

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