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. Author manuscript; available in PMC: 2009 Dec 15.
Published in final edited form as: J Pharm Biomed Anal. 2008 Sep 7;48(5):1375–1380. doi: 10.1016/j.jpba.2008.08.033

Figure 3.

Figure 3

Representative HPLC chromatograms derived from A: GSH (27 μg/ml) derivatized by DTNB (1.1 mg/ml) in the presence of p-aminobenzoic acid (I.S.) (0.15 μg/ml) with 50 μl loaded to HPLC; B: OVCAR-3 cell lysate supernatant prepared for thiol analysis as described under Materials and Methods.