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Identification of bacteria: A methoxyimino cephalosporin derivative containing a pair of fluorescence resonance energy transfer (FRET) fluorophores was synthesized. This probe displays selective cleavage toward different types of β-lactamases, thereby providing a rapid assay to distinguish bacterial cells that are either sensitive or resistant to broad-spectrum β-lactam antibiotics (see picture).
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Zhang et al. (2012) studied this question.
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