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Magnetic separation of bound bacteria on the magnetic nanoprobes from unbound bacteria in the supernatant. Where, CFUoriginal is the total number of bacterial cells present in the initial sample, CFUsupernatant is the number of bacterial cells which remained unbound to the magnetic nanoprobes, and CFUMNPs is the number of bacterial cells bound to magnetic nanoprobes. Reproduced with permission from ref. 14. Copyright 2015, Royal Society of Chemistry.
