European Norms (EN)
Methods for determining the efficacy of disinfectants in accordance with European standards, including DIN EN 1500 and DIN EN 12791. These standards provide practical methods for testing bactericidal activity.
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MRGN are multi-resistant, Gram-negative rod bacteria (e.g. Escherichia coli or Klebsiella pneumoniae) resistant to several classes of antibiotics. The term MRGN thus indicates that a bacterium is multi-resistant.
ESBL (extended-spectrum beta-lactamase) are bacterial enzymes that make bacteria insensitive to β-lactam antibiotics. The term not only describes the fact that the bacteria are antibiotic-resistant, but it also explains how bacteria become insensitive to antibiotics. Therefore, the name ESBL gives information about the type of underlying resistance mechanism.
