A patient's sample is run on cellulose acetate, and two bands are found. The first band migrates to the A region on the gel. The second band migrates to the S-D-G region on the band. What is the next step to identify the second band?
A) Perform electrophoresis on citrate agar at pH 6.2
B) Perform an osmotic fragility test
C) Perform an acid elution test
D) Do a supravital stain for Heinz bodies

Question

Quizplus · Accepted Answer

Performing electrophoresis on citrate agar at pH 6.2 is the next step to further separate and identify the hemoglobin variants that migrate to the S-D-G region on cellulose acetate, allowing for more precise identification.

A Patient's Sample Is Run on Cellulose Acetate, and Two