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metabolite of MCPT in rat plasma and tissues via high-performance liquid chromatography (HPLC)/photodiode array detection (PDA) and ultra-performance liquid chromatography–tandem mass spectrometry (UPLC–MS/MS) analysis. Meanwhile, we established a validated

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Emodin–phospholipid complex

A potential of herbal drug in the novel drug delivery system

Journal of Thermal Analysis and Calorimetry
Authors: Devendra Singh, M. S. M. Rawat, Ajay Semalty, and Mona Semalty

, Yang , X , Zhang , HBL , Yang , JY , Cao , DY , Mei , QB . Quantitation assay for absorption and first-pass metabolism of emodin in isolated rat small intestine using liquid chromatography-tandem mass spectrometry . Biol Pharm Bull . 2007

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-phase liquid chromatography (RPLC) has been the most common method for the content determination of the triterpene saponins in P. notoginseng [ 10 – 13 ]. HPLC coupled tandem mass spectrometry (MS/MS) is an effective method for rapidly characterizing the

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, harpagide, harpagoside, and angoroside C [ 10 ]. In addition, a method of ultra-performance liquid chromatography–tandem mass spectrometry (UPLC–MS/MS) was established for the simultaneous determination of seven ingredients of SYD extract in rat plasma for

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Acta Chromatographica
Authors: Yun Zhou, Guifeng Huang, Xiaolan Li, Feng Chen, Hong Liu, Ying Yang, Zhong Fan, Jinghui Jiang, and Jun Yang

be directly determined by liquid chromatography–tandem mass spectrometry (LC–MS/MS) [ 8 ] or detected by one-dimensional gas chromatography–mass spectrometry after derivatization which can directly provide structural information of glycoside [ 9

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. Fragmentation mechanisms of protonated benzylamines. Electrospray ionisation-tandem mass spectrometry study and ab initio molecular orbital calculations . Eur J Mass Spectrom . 2003 ; 9 : 351 – 360 . 10.1255/ejms.566 . 8

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the detection, and received an acceptable results. So in this study, a simple, sensitive, and reliable high-performance liquid chromatography-tandem mass spectrometry method in SIM was proposed for determining five 16-deoxybarringtogenol C type

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-controlled liquid phase microextraction using DES for the extraction and preconcentration of diazinon, metalaxyl, bromopropylate, oxadiazon, and fenazaquin pesticides from fruit juice and vegetable samples. However, in these studies, expensive tandem mass

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plasma, urine, cerebrospinal fluid and brain by liquid chromatography–tandem mass spec-trometry . J. Chromatogr. B 2008 , 876 , 129 – 136 . 10.1016/j.jchromb.2008.10.037 30. ICH . Q2 (R1), harmonized tripartite guideline, validation of analytical

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Acta Chromatographica
Authors: Shaoshi Wen, Zixin Zhang, Xiaopeng Chen, Jinchang Liu, Haiyang Yu, Lifeng Han, Lijun Jin, Yi Zhang, and Tao Wang

interference and enrich the target compounds is limited. Boelaert et al. [ 22 ] studied seven uremic retention toxins of chronic kidney disease patients by UPLC–tandem mass spectrometry (MS/MS), which need a relatively long analytical time for the whole method

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