Leren Wan

Qualitative and quantitative determination of complicated herbal components by liquid chromatography hybrid ion trap time-of-flight mass spectrometry and a relative exposure approach to herbal pharmacokinetics independent of standards

Yan Liang, Haiping Hao, Kang An et al. · Journal of Chromatography A · 2010 · 54 citations

Pharmacy, Pharmaceutical Analysis, Pharmacokinetics +15

[Identification and determination of major constituents in Polygonum cuspidatum Sieb. et Zucc. by high performance liquid chromatography/electrospray ionization-ion trap-time-of-flight mass spectrometry].

Jing Dong, Hong Wang, Leren Wan et al. · PubMed · 2009 · 35 citations

Life Sciences, Biochemistry, Pharmaceutical Analysis +13

Characterization of <i>in vitro</i> metabolites of trimethoprim and diaveridine in pig liver microsomes by liquid chromatography combined with hybrid ion trap/time‐of‐flight mass spectrometry

Zhao‐Ying Liu, Yong Wu, Zhi‐Liang Sun et al. · Biomedical Chromatography · 2011 · 22 citations

Life Sciences, Medicinal Chemistry, Pharmacology +15

An integrated method for degradation products detection and characterization using hybrid ion trap/time-of-flight mass spectrometry and data processing techniques: Application to study of the degradation products of danofloxacin under stressed conditions

Zhao‐Ying Liu, Xiao-Ni Zhou, Zhang Hua-hai et al. · Analytical and Bioanalytical Chemistry · 2011 · 19 citations

Natural Sciences, Microbiology, Pharmaceutical Analysis +17

Fragmentation study of a 8‐ <i>C</i> ‐glycosyl isoflavone, puerarin, using electrospray ion trap time‐of‐flight mass spectrometry at high resolution

Hui Li, Leren Wan, Yuki Hashi et al. · Rapid Communications in Mass Spectrometry · 2007 · 18 citations

Pharmacy, Biochemistry, Pharmaceutical Analysis +16