Collision-induced dissociation of protonated MK-0991: novel ring opening of a cyclic hexapeptide in the gas phase
Qin, Xue-Zhi, Wu, Yunhui, Zhao, Zack, Chen, Xin
Published in Journal of mass spectrometry. (01.07.1999)
Published in Journal of mass spectrometry. (01.07.1999)
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Identification by LC/MSn of degradates of a novel carbapenem antibiotic in an aqueous matrix
ZHONGXI ZHAO, QIN, Xue-Zhi, REED, Robert A
Published in Journal of pharmaceutical and biomedical analysis (01.06.2002)
Published in Journal of pharmaceutical and biomedical analysis (01.06.2002)
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Development and validation of a stability indicating HPLC method for determination of lisinopril, lisinopril degradation product and parabens in the lisinopril extemporaneous formulation
Beasley, Christopher A., Shaw, Jessica, Zhao, Zack, Reed, Robert A.
Published in Journal of pharmaceutical and biomedical analysis (09.03.2005)
Published in Journal of pharmaceutical and biomedical analysis (09.03.2005)
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Identification and quantitation of extractables from cellulose acetate butyrate (CAB) and estimation of their in vivo exposure levels
Ma, Decheng, Wasylaschuk, Walter R, Beasley, Christopher, Zhao, Zhongxi (Zack), Harmon, Paul A, Ballard, John M, Pitzenberger, Steven M, Varga, Sandor L, Reed, Robert A
Published in Journal of pharmaceutical and biomedical analysis (29.06.2004)
Published in Journal of pharmaceutical and biomedical analysis (29.06.2004)
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Identification of losartan degradates in stressed tablets by LC-MS and LC-MS/MS
Zhao, Zhongxi (Zack), Wang, Qingxi, Tsai, Eric W, Qin, Xue-Zhi, Ip, Dominic
Published in Journal of pharmaceutical and biomedical analysis (01.06.1999)
Published in Journal of pharmaceutical and biomedical analysis (01.06.1999)
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Characterization of metastable intermediates of enzymatic peroxidation of NAD+ by on-line capillary electrophoresis/electrospray ionization mass spectrometry
Zhao, Zhongxi (Zack), Udseth, Harold R., Smith, Richard D.
Published in Journal of mass spectrometry. (01.02.1996)
Published in Journal of mass spectrometry. (01.02.1996)
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