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Fig. 1.

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Fig. 1. RP-HPLC analysis of cysteamine and its dimer cystamine. Chromatogram of cysteamine and cystamine obtained with a mobile phase composed of 85:15 (v/v) 0.1% phosphoric acid:acetonitrile without ion-pairing agent (A) and chromatograms of a mixture of cysteamine and cystamine (B), cysteamine only (C), and cystamine only (D) obtained with a mobile phase composed of 85:15 (v/v) 4.0 mM NaHpSO as ion-pairing agent in 0.1% phosphoric acid:acetonitrile. Peak 1: cysteamine and peak 2: cystamine.
Toxicological Research 2019;35:161~165 https://doi.org/10.5487/TR.2019.35.2.161
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