Recoveries for source water matrices that produce debris carryover may be improved by a bead pellet wash. Use this wash with difficult matrices that exhibit visible debris trapped in the bead pellet or remaining in the bottom of the microcentrifuge tube after aspiration of the supernatant.
Remember: Any remaining debris in the microcentrifuge tube will end up on the slide!
See the IMS Supplement for the protocol and required quality control.
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