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

Am J Infect Control. 2011 Oct;39(8):e52-e54. doi: 10.1016/j.ajic.2010.12.012. Epub 2011 Jun 12.

Abstract

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.

Publication types

  • Comparative Study

MeSH terms

  • Alloys
  • Colony Count, Microbial
  • Copper / chemistry*
  • Equipment Contamination*
  • Equipment and Supplies, Hospital / microbiology*
  • Gram-Negative Bacteria / isolation & purification
  • Gram-Positive Cocci / isolation & purification
  • Handwriting*
  • Humans
  • Intensive Care Units / supply & distribution*
  • Nurses
  • Stainless Steel*
  • Surface Properties

Substances

  • Alloys
  • Stainless Steel
  • Copper