A microdilution test measuring imipenem MICs in the presence or absence of a mixture of EDTA plus 1,10-phenanthroline was developed and tested on 190 Pseudomonas aeruginosa isolates, including 18 VIM- and 4 IMP-type metallo-beta-lactamase (MBL) producers. The chelator mixture reduced by fourfold or more the imipenem MICs for MBL producers, while a lower effect or no effect was usually observed with MBL nonproducers.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC139638 | PMC |
| http://dx.doi.org/10.1128/JCM.40.11.4388-4390.2002 | DOI Listing |
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