Rapid, simultaneous and nanomolar determination of pyroglutamic acid and cis-/trans-urocanic acid in human stratum corneum by hydrophilic interaction liquid chromatography (HILIC)-electrospray ionization tandem mass spectrometry

Kyung Mi Joo, Ji Yeon Han, Eui Dong Son, Gae Won Nam, Han Young Chung, Hye Jin Jeong, Jun Cheol Cho, Kyung Min Lim

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Medicine & Life Sciences

Chemical Compounds