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Rapid and simultaneous determination of hexapeptides (Ac-EEMQRR-amide and H2N-EEMQRR-amide) in anti-wrinkle cosmetics by hydrophilic interaction liquid chromatography-solid phase extraction preparation and hydrophilic interaction liquid chromatography with tandem mass spectrometry.
Zhou W, Wang PG, Krynitsky AJ, Rader JI. Zhou W, et al. Among authors: wang pg. J Chromatogr A. 2011 Nov 4;1218(44):7956-63. doi: 10.1016/j.chroma.2011.08.091. Epub 2011 Sep 6. J Chromatogr A. 2011. PMID: 21959380
536 results