Method 1622/1623
Immunomagnetic Separation
Knowledge Review
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Which of the following statements are correct?
(Select all that apply. More than one statement may be correct.)


A. Initial QC for Method modifications involves the analysis of 3 organism-spiked reagent water samples.
B. Percent recovery for an IMS control should be at least 70%.
C. Method modifications require validation with initial and on-going QC.
D. Excess beads on a slide can result from improper technique during the dissociation procedure.
E. An IMS control is processed through the complete Method to troubleshoot low percent recovery.
F. Low or no IMS recovery may result from the improper preparation of the pellet or the incorrect addition of beads and buffers.