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    Article

    Simultaneous Determination of Sildenafil, Tadalafil, and Vardenafil in Pharmaceutical Preparations by High-Temperature Gas Chromatography/Mass Spectrometry

    Sildenafil (SD), tadalafil (TD), and vardenafil (VD) are drugs used to treat erectile dysfunction (ED). Pharmaceutical counterfeiting-related SD, TD, and VD compounds are becoming a critical problem due to the...

    Yu-dong Jeong, SungIll Suh, ** Young Kim, Moon Kyo In, Ki-Jung Paeng in Chromatographia (2016)

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    Determination of Dextromethorphan and its Metabolite Dextrorphan in Human Hair by Gas Chromatography–Mass Spectrometry

    An analytical method has been developed for determination of dextromethorphan (DMP) and dextrorphan (DRP) in human hair by gas chromatography–mass spectrometry (GC–MS). Hair samples (30 mg) were washed with di...

    ** Young Kim, Sung Ill Suh, Ki-Jung Paeng, Moon Kyo In in Chromatographia (2004)

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    Article

    Simultaneous Determination of Nalbuphine and Opiates in Human Hair by Gas Chromatography-Mass Spectrometry

    The method for simultaneous determination of nalbuphine and opiates (codeine, morphine, and 6-monoacetylmorphine) in human hair was developed in the selected-ion monitoring (SIM) mode of a gas chromatography-m...

    ** Young Kim, Moon Kyo In, Ki-Jung Paeng, Bong Chul Chung in Chromatographia (2004)