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. 2013 May 1;2:203. doi: 10.1186/2193-1801-2-203

Figure 1.

Figure 1

HS-GC separation of the phenylboronic derivatives of ethylene glycol (EG) and propylene glycol (PG) with 1,3-propanediol as the internal standard (IS). (A) Quality control plasma sample containing 25 mg/dL each of EG and PG. (B) Patient plasma sample containing 11.6 mg/dL of EG. (C) Patient plasma sample containing 53.4 mg/dL of PG.